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C# Jobs in London

Overview

Looking for top C# jobs in London? Discover the best C# developer opportunities in the heart of the UK's tech scene. Whether you're an experienced C# programmer or just starting your career, our London job board connects you with leading employers and exciting projects. Start your search today and take the next step in your C# career in London!
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Electronics Software Engineer
Reed Specialist Recruitment
London
In office
Junior - Mid
£35,000 - £40,000
RECENTLY POSTED
android
csharp
ios
Electronics Engineer Exeter Area £35-£40k If you are an Electronics Engineer with a passion for software or a more software focused engineer with a passion for electronics then this could be the ideal new role for you! The company are a specialist in sensors, measurement and telemetry and design and develop a wide range of hi-technology products. In this role you will be working in a small multi-disciplined Engineering design team of Electronics, Firmware and Software Engineers. You will be supporting the Senior Software Engineer, where your experience with electronics will also be called upon. The majority of the role will involve supporting Automated Test Environments for electronic products, here you will be creating/maintaining test scripts, fault-finding and helping to commission new test fixtures. The rest of the role will involve writing customer-facing PC software to support products and in-house development tools and there may be occasions where you are required to assist with Firmware development and other Engineering tasks. You will be working on a range of technologies including low level drivers to hardware, GUI interfaces, Communications protocols for wireless and CAN and UART interfaces. The role will include Engineering Development of Software and associated technical documentation. Production support, including ATE (Automated Test Equipment) scripts Technical Support for standard products for both internal and external requirements. Application support. Change control. Support for Sales with quotes and technical documentation. Skills and Experience Experience of a general electronics design environment and processes. Understanding of electronics circuit operation and design. Understanding of automated testing. Use of test equipment such as multimeters and oscilloscopes Methodical approach to problem solving. Experienced in writing design documents such as specifications and test procedures. Good understanding/experience of a range of communication technologies USB, Bluetooth, Serial communications. Experience of writing structured PC software using C# and other languages Ability to create good clear GUI’s Disciplined approach to Version ControlBeneficial to have Experience of National Instruments Labview and Teststand Experience working in an Electronics Manufacturing environment Ability to create iOS and Android apps Project Management. Liaising with customers from design concepts to providing training. For more details on this interesting and varied role please apply online and one of the team at Reed will be in touch
Quant Developer - Commodities
Emagine Consulting
London
Hybrid
Mid - Senior
£700/day
RECENTLY POSTED
c++
python
csharp
£700pd Inside IR353-4 days on siteLondon basedemagine is a high-end professional services consultancy and solutions firm specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions.We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine.We are looking for a talented Quant Developer to join an ambitious and fast-growing multi-asset team. You’ll work on various exciting projects with a strong focus on Commodities—primarily Oil & Gas and key Agricultural products.This is a chance to shape and enhance an in-house risk platform, implementing cutting-edge quant models and analytics that directly impact trading and risk decisions.Key Responsibilities
Develop and enhance quant models and libraries for a range of asset classes, with a particular emphasis on commodities.
Deliver improvements and new features across multiple projects on the in-house platform.
Implement models in Python and C++, integrated with the platform built in C#.
Collaborate with quants, traders, and risk teams to deliver innovative, high-quality solutions.
Drive platform expansion and capabilities in oil, gas, and agricultural markets.
Skills & Experience
Strong programming skills in C# and C++
Proven experience with quantitative finance and modeling across multiple asset classes.
Hands-on experience building or enhancing quant libraries.
Enthusiasm for working on high-impact projects in a dynamic environment.
Strong analytical skills and a problem-solving mindset.
Our PeopleThe ideal consultants will share our values and be aligned with our ways of working and as your career progresses, you can expect to work across all areas of the project lifecycle, from strategy to implementation. This will provide you with a broad base of experience from which to build an outstanding career.The ideal consultants will share our values and be aligned with our ways of working and as your career progresses, you can expect to work across all areas of the project lifecycle.We pride ourselves on;
Providing our people with a supportive culture, rooted in our values and driven by our purpose.
Promoting a culture of inclusion, collaboration, well-being, and learning and development.
Providing increased agility and flexibility within our hybrid working model
Investing in employees’ growth through ongoing training and development
Autonomy to take ownership of projects, making decisions and demonstrating individual expertise
Providing an transparent performance and career management experience.
Our consultants are integral to delivering successful consulting engagements, addressing our clients’ most pressing business challenges, and build lasting value in disciplines such as:
Solve sophisticated, ambiguous business, change and technology problems, bringing structure and meticulous analysis and planning, acting, and taking decisions with little strategic direction
Build, develop and sustain trusted senior client relationships in the C-suite by remaining highly attuned to client needs
Drive, enable and support the business, partnering with our leaders, clients, and consultants across our practices to take the best of emagine to our clients through opportunity identification/qualification, solution development/presentation
Interested?At emagine, we are committed to building an international and diverse team by embracing our different backgrounds.If you are up to the challenge and would like to find out more, get in touch with us immediately, our internal recruitment team is always keen to hear from dynamic individuals that are looking to further their career and explore their full potential.“emagine is an equal opportunity employer, and employment practices are based strictly on merit. It is the policy of the Company to give equal opportunity in employment regardless of sex, sexual orientation, marital status, race, age, disability, gender reassignment, pregnancy and maternity, religion or ethnic origin”
Backend Software Engineer C++ Windows - Finance
client server
London
Hybrid
Mid - Senior
£70,000
RECENTLY POSTED
windows
c++
aws
csharp
c
Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTCAre you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits.As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission.The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day.Location / WFH:You’ll join colleagues in the City office three days a week with flexibility to work from home the other two days. There is also the possibility to work remotely (in the UK) if you’re not within a commutable distance of London.Please note this is a 12 month Fixed Term Contract.About you:
You have C / C++ development skills on Windows OS, some C# experience would be useful but not essential
You have full software development lifecycle experience
You have a good knowledge of networking protocols e.g. TCP/IP, multicast
You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns
You’re collaborative with great communication skills
What’s in it for you:*Please note this is a 12 month Fixed Term Contract, with full benefits*As a Backend Software Engineer / Developer you’ll receive a competitive package:
Salary to £70k + bonus
25 days holiday
Pension
Life Assurance and Income protection
Private Medical and Dental care
Gym subsidy and wellness apps
Cycle to work scheme
Ability to buy stock options
Family leave and sabbaticals
Continuous training and career development including personalised budget
Gain valuable finance / exchange connectivity experience
Apply now to find out more about this Backend Software Engineer / Developer (Windows C / C++, C#) opportunity.
Software Engineering Lead
Empresaria UK Ltd
London
Hybrid
Senior
Private salary
RECENTLY POSTED
dot-net
python
csharp
dot-net-core
sql
Software Engineering Lead (Banking) Central London (Hybrid) PermanentMy FS Client requires an agile and versatile specialist and team manager with extensive hands-on expertise in .Net/C# along with managing a hybrid tech stack involving applications in Microsoft SQL Server, Azure, etc.Business Area
The role requires an experienced people manager, and an individual that is comfortable to work in close partnership with a variety of business stakeholders, globally. The head of the team will be expected to be very well versed in, and keep up to date with, a multitude of new technologies.
The role requires a thorough understanding of development and architecture best practice coupled with a good working knowledge of IT General Controls.
The position requires understanding of banking products, pricing and risk and the ability to advise on the best technical solutions to facilitate them.
Position Description
It involves managing the team of 15+ developers covering projects that enable us to launch new products and adapt to regulatory changes quickly.
Advanced core development languages covering full stack - .Net, .Net Core, C#, Python and SQL
This role is a key delivery owner for the in EMEA. Working with the Product Owners, it is responsible for delivering sound, well designed and technically advanced solutions to our business users.
The role is a key escalation point and mentor for the members of the Post-trade Technology Services Development team
The role requires design and development of new software, integration with vendor systems, organising on-call rota support and following and expanding the established SDLC processes.
Strong numerical and financial skills with the ability to interpret financial information and able to design and use financial models
Extensive leadership experience of building successful performing development teams and teams with capability fully to support business stakeholders
Experience of working in an Agile environment delivering incremental consistent value to users at an agreed and published cadence
Experience and understanding of a Banking Environment, Product range and associated opportunities and risks
Excellent analytical and problem-solving skills
Demonstrated experience managing, end to end, design, definition and delivery of technical solutions in-line with strategic goals
Ability to handle communications at all levels from across the whole business, including Front Office.
Hands-on experience with automated testing frameworks, DevSecOps and CI/CD
On Offer?
Hybrid and flexible working
Competitive paid leave days
Benefits to support your physical wellbeing, including private medical insurance and life and invalidity insurance
Various policies to support your mental wellbeing, including a robust behavioural health network with counselling and coaching services
Engineering Manager / Tech Lead (contract)
Morgan Philips UK Limited
London
Hybrid
Senior
£650/day - £800/day
RECENTLY POSTED
react
javascript
dot-net
angularjs
wordpress
csharp
+1
I am recruiting a day rate contractor to assist my client who is going through digital transformation. The project involves consolidating local websites into one global website as well as consolidating multiple CMS (content management systems). This will suit an individual who has experience within web development such as full stack or front end with some backend experience. This is a senior role and would suit someone who is a hands-on engineering manager or a tech lead.Experience
A full stack developer with an emphasis on front end technologies
Experience of delivering on large (global) scale web digital transformation projects.
CMS experience such as Sitefinity, WordPress, Kentico, Content AI or similar.
Experience with solutions design, architecture.
Any experience of working with a customer-focused brand, B2C would be useful.
Worked on membership platforms, subscriptions platforms and any other E-commerce platforms.
Experience with managing third party vendors, good stakeholder management skills
Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS,
This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role with a requirement of three days a week in the office based in central London. The rate is between £650 - £800 per day depending on experience.Please note you will receive an automated response advising you that we have received your CV.Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings.We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.
Dynamics Developer
Meritus
London
Fully remote
Senior
£60,000 - £70,000
RECENTLY POSTED
csharp
dynamics-crm
Dynamics Developer Tech Consultancy SC Clearance Required Up to 70,000 Fully RemoteMERITUS are working with a leading Tech consultancy looking for a Dynamics 365 / Power Platform Developer to join their Central Government / Defence Division.This opportunity is ideal for a senior-level Dynamics 365 and Power Platform professional who enjoys working on complex enterprise solutions, mentoring others, and delivering secure, scalable Microsoft business applications in regulated environments.If successful you will play a key role in designing, building, and supporting complex Microsoft Dynamics 365 and Power Platform solutions. Working within multidisciplinary agile teams, you will apply strong platform engineering practices, contribute to solution architecture, and help drive continuous improvement across delivery, quality, and automation standards.Main Responsibilities:
Design, develop, and support Microsoft Dynamics 365 (Sales and Customer Service) and Power Platform solutions within defined project scopes
Build scalable model-driven apps, canvas apps, and Power Automate cloud flows using agreed architectural patterns and best practices
Develop and maintain custom plugins, workflow activities, and integrations using C#, Dataverse SDK, and Microsoft Graph APIs
Lead defined technical workstreams, mentor junior developers, and contribute to solution reviews and quality assurance activities
Support ALM and DevOps practices including solution management, automated deployments, and CI/CD pipelines using Azure DevOps
Required Skills:
Strong hands-on experience with Microsoft Dynamics 365 Customer Engagement and Power Platform development
Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security
Proven C# development experience for plugins, custom workflows, and API integrations
Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines
Background working in secure or regulated environments, with strong awareness of enterprise and government security requirements
Benefits:
Salary up to 70,000
25 days holiday + bank holidays
Private medical insurance
Remote / Flexible working options
Got your attention?If you believe that you have the skills and experience for the Technical Product Manager role - then please get in touch. We also offer a referral scheme for any candidates whose details are passed to us that we successfully place. If you have any further questions then please contact Ryan Harris at MERITUS.
C# Developer
VIQU IT
Multiple locations
Fully remote
Mid - Senior
£300/day - £350/day
RECENTLY POSTED
csharp
javascript
dot-net
python
sql
dynamics-crm
C# Developer Remote Outside IR35A client is looking for a seasoned C# Developer to join their development function and contribute to a significant internal programme of work.Working as part of the software development team, you ll partner closely with senior stakeholders to produce high-quality, efficient code that supports core business systems.Responsibilities of the C# Developer:
Produce well-structured and clearly documented C# / .NET code.
Contribute across the full software lifecycle on greenfield, end-to-end projects.
Collaborate effectively with cross-functional teams in a fully remote setup.
Participate in peer code reviews and contribute to the establishment of development best practices.
Required Experience of the C# Developer:
Must have a strong background in C# / .NET development.
Experience of PostgresSQL or other SQL databases.
CI/CD experience.
Experience in API design and building system integrations.
Microsoft Dynamics integration (highly desirable).
Python and/or JavaScript experience (desirable).
Excellent communication skills and confidence in working remotely.
This C# Developer role is an immediate start, with interview slots available next week.To discuss this exciting C# Developer opportunity in more detail, please apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply).For more exciting roles and opportunities like this, please follow us on IT Recruitment.
SC Cleared Microsoft Dynamics 365 Developer
Data Careers
London
Fully remote
Mid - Senior
£75,000
RECENTLY POSTED
dynamics-crm
react
javascript
csharp
typescript
Role: SC Cleared Microsoft Dynamics 365 DeveloperPermSalary: 65,000 - 75,000Location: RemoteRole OverviewWe are looking to recruit a SC Cleared Microsoft Dynamics 365 Developer to play a key role in designing, building, and supporting complex Microsoft business solutions. This role focuses on high-quality delivery, strong platform engineering practices, and mentoring other developers, while contributing specialist expertise within defined project or programme scopes.You will work with a high degree of autonomy under general direction, applying agreed architectures, development standards, and secure coding practices across Dynamics 365 and the Microsoft Power Platform. You will also help resolve complex platform issues, support continuous improvement, and contribute to solution design and delivery decisions.Key Responsibilities
Design and implement complex Dynamics 365 and Power Platform solutions within agreed project scope
Develop, customise, and support Dynamics 365 (Sales and Customer Service) solutions
Build scalable model-driven apps, canvas apps, and Power Automate flows aligned to agreed architectures and patterns
Develop custom plugins, workflow activities, and integrations using C#, Microsoft Graph, and the Dataverse SDK
Lead defined technical workstreams and collaborate with multidisciplinary delivery teams
Apply and promote Power Platform development standards, patterns, and best practices
Implement and enhance ALM practices using Power Platform Build Tools and Azure DevOps
Conduct solution reviews and support quality assurance and testing activities, including automated and UAT testing
Investigate and resolve complex platform issues, escalating where appropriate
Mentor junior and mid-level developers, providing technical guidance and coaching
Evaluate emerging Power Platform capabilities and provide evidence-based recommendations
Support pre-sales activities through technical demonstrations and solution input
Identify technical risks, propose mitigation strategies, and contribute to requirements refinement
Plan and manage own workload to meet delivery timelines and quality expectations
Actively contribute to agile delivery practices and continuous improvement initiatives
Required Skills & Experience
Strong experience with Microsoft Dynamics 365 (Customer Engagement) solution design and customisation
Solid Power Platform experience including model-driven apps, canvas apps, Power Automate, and Power Pages
Hands-on Dataverse experience (data modelling, relationships, business rules, and security)
Strong C# development skills using the Dataverse SDK for plugins, workflows, and integrations
Experience integrating Power Platform with Azure services, custom connectors, APIs, and Logic Apps
Experience applying ALM principles using Azure DevOps and Power Platform Build Tools
Solid JavaScript experience for client-side customisation and web resources
Experience working in agile, multidisciplinary delivery teams
Strong understanding of security concepts including Dataverse security and role-based access control
Ability to communicate complex technical concepts clearly to technical and non-technical stakeholders
Desirable Experience
Experience delivering solutions in secure, regulated, or enterprise environments
Background in public sector, government, defence, or highly regulated industries
Microsoft certifications such as PL-400, PL-200, MB-400, or equivalent
Experience with AI-enabled solutions using AI Builder, Copilot Studio, or Azure AI Services
Experience with cloud-native Azure solutions integrated with Power Platform
Knowledge of Power Platform governance and Center of Excellence practices
Experience with PCF controls and modern web technologies (TypeScript, React)
Understanding of Power Platform performance optimisation and profiling
Experience with Azure integration services such as Service Bus, Event Grid, or API Management
Personal Attributes
Strong communicator with the ability to engage stakeholders at all levels
Proactive, analytical problem-solver with attention to detail
Comfortable working autonomously while mentoring and supporting others
Highly organised, able to manage multiple priorities effectively
Committed to high standards, secure development, and continuous improvement
Positive leadership mindset with a strong delivery focus
Solution Engineer
Anson McCade
London
Hybrid
Mid - Senior
£65,000
RECENTLY POSTED
react
python
csharp
angular
£Up to £65,000 GBP Up to 10% Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: PermanentJoin a globally recognised technology group consistently ranked among Britain’s Most Admired Companies, celebrated for its purpose-led culture, innovation, and long-term investment in people. Our client is known for developing life-saving technologies that improve safety, health, and sustainability worldwide. With an ambitious digital transformation strategy underway, the client offers a rare opportunity to shape the future of connected, intelligent products at global scale while working in a values-driven, high-impact environment.As a Solutions Engineer, you will join a central Digital Solutions function driving the adoption of modern, scalable technologies across a diverse group of operating companies. Our client is investing heavily in cloud, AI, and emerging technologies to accelerate innovation, improve operational efficiency, and unlock new digital capabilities. The Solutions Engineer role sits at the heart of this transformation.The Solutions Engineer will work closely with senior technical leaders to design, prototype, and deliver modern digital solutions that can be reused and scaled across the organisation. Blending hands-on engineering with consultative engagement, the Solutions Engineer will collaborate with teams across multiple businesses, helping translate strategic ambition into tangible, high-quality technical outcomes.This Solutions Engineer position is ideal for someone who thrives in complex environments, enjoys exploring emerging technologies, and wants to see their work create real-world impact. From Generative AI and cloud-native platforms to Edge AI and immersive technologies, the Solutions Engineer will play a key role in shaping how innovation is delivered across the group.Our client is deeply committed to learning, experimentation, and long-term career development, offering a collaborative, entrepreneurial culture supported by global scale. Flexible hybrid working and exposure to a wide range of industries and technologies make this an outstanding opportunity for an ambitious Solutions Engineer.You’ll have the opportunity to:
Work as a Solutions Engineer alongside architects, engineers, and product leaders on group-wide digital initiatives.
Design and prototype cloud-native solutions using modern platforms, AI services, and emerging technologies.
Support the rollout of in-house Generative AI capabilities across multiple operating companies.
Influence best practice in software engineering, architecture, and delivery at enterprise scale.
Create reusable technical assets that accelerate innovation and adoption across the organisation.
Engage senior stakeholders and technical teams to translate strategy into executable solutions.
Key Responsibilities:
Partner with senior architects to ensure Solutions Engineer deliverables are scalable, secure, and aligned with enterprise standards.
Design and develop proof-of-concepts and prototype solutions supporting both strategic and operational initiatives.
Collaborate with engineering teams to deliver group-level digital programmes.
Champion modern software engineering practices including CI/CD, testing, version control, and agile delivery.
Develop reference architectures, solution templates, and implementation playbooks.
Act as a technical advisor, supporting adoption of new technologies across diverse teams.
Key Requirements:
Proven experience working as a Solutions Engineer, Software Engineer, or similar role.
Strong background in cloud-native development, ideally within the Azure ecosystem.
Professional experience with C# and/or Python.
Hands-on experience with REST APIs, microservices, and event-driven architectures.
Strong understanding of CI/CD pipelines, Git-based version control, and automated testing.
Solid grasp of solution architecture principles including scalability, security, and performance.
Excellent communication skills with the ability to engage both technical and senior stakeholders.
Comfortable working across multiple teams and translating business needs into technical solutions.
Desirable Experience:
Exposure to Generative AI, LLMs, RAG techniques, or related frameworks.
Experience with Microsoft Power Platform technologies.
Front-end development using modern frameworks such as React, Angular, or Vue.
Awareness of Edge AI, VR/AR, or other emerging technologies.
Why Join:
Join a globally admired organisation recognised for innovation, purpose, and people-first values.
Shape enterprise-wide digital transformation initiatives with real-world impact.
Work as a Solutions Engineer at the forefront of cloud, AI, and emerging technologies.
Gain exposure to multiple industries and operating environments within a single role.
Benefit from hybrid working, strong career progression, and a collaborative, entrepreneurial culture.
Reference: AMC/AON/HASolutionEngineerMA#aaon
Python Developer
VIQU Ltd
London
Fully remote
Mid - Senior
£300/day - £350/day
RECENTLY POSTED
python
csharp
sql
Python Developer | Remote | Outside IR35VIQU IT are working closely with a client who are looking for a highly experienced Python Developer to join their development function and contribute to a significant internal programme of work.The Python Developer will play a key part within the software engineering team working closely to design new systems or enhancing existing systems. The python developer will be responsible for adhering to agile methodologies and principles.Responsibilities of the Python Developer:
Producing well-structured and clearly documented Python code.
Producing high level documentation in detail
Contribute across the full software life cycle on greenfield, end-to-end projects.
Following the Agile development processes, such as sprint planning and stand-ups.
Responsible for regularly updating the leadership team
Required Experience of the Python Developer:
Must have a strong background within Python development.
Professional experience of PostgresSQL or other SQL databases
CI/CD Experience.
High level of communication and collaboration skills with non-technical or technical stakeholders.
Ability to design scalable and maintainable secure systems.
C#, Dynamics or Vue development experience (highly desirable).
This Python Developer role is an immediate start, with interview slots available next week.If you are interested in the Python Developer role, apply now to speak with VIQU IT in confidence. Or reach out to Phoebe Thompson via the VIQU IT website.Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply).
Senior Software Engineer
Bright Purple Resourcing
Multiple locations
Fully remote
Senior
£80,000
RECENTLY POSTED
dot-net
csharp
sql
Senior Fullstack Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and foster a culture of collaboration and high performance Build APIs, scalable architectures, and cloud-based platforms Work within Agile and DevOps environments to deliver robust solutions Partner with technical and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and Azure cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/CD pipelines, version control, testing, and code reviews Excellent communication skills, able to work effectively with diverse teams Background in Agile methodologies Eligible for SC Clearance If youre a seasoned Senior Software Engineer passionate about building scalable solutions, and want your skills to make a real difference, wed love to hear from you. Due to close links to the UK HomeOffice our client will require all successful candidates to go through SC Clearance. Candidates must be UK citizens, have SettledStatus or ILR. Bright Purple is an equal opportunities employer: we are proud to work with clients who share our values of diversity and inclusion in our industry. TPBN1_UKTJ
Power Platform Technical Architect - London (Hybrid) - c£72K
Nigel Frank International
London
Hybrid
Senior - Leader
£62,000 - £72,000
RECENTLY POSTED
javascript
csharp
c
sql
Power Platform Technical Architect - London (Hybrid) - c 72KWe’re supporting a public sector organisation in the search for a Power Platform Technical Architect to take ownership of the technical architecture for new solutions and enhancements across the Microsoft Power Platform and Dynamics 365 ecosystem.This role focuses on analysing business and technical requirements, designing robust architecture, and ensuring solutions are delivered in line with enterprise standards. You’ll work closely with internal delivery teams and Microsoft implementation partners, acting as a key technical authority across complex transformation initiatives.Role Responsibilities
Analysing business requirements against enterprise architecture to propose appropriate technical solutions
Producing technical architecture documentation and diagrams for delivery teams
Designing scalable, secure solutions using Microsoft Power Platform and D365
Identifying and communicating technical risks, constraints, and mitigation strategies
Creating architecture implementation plans and breaking delivery into manageable phases
Supporting user interface and solution prototyping where required
Skills & Experience Required
Proven experience as a Technical Architect within Microsoft Power Platform and Dynamics 365 environments
Understanding of Microsoft technologies and integration with both legacy and modern platforms
Hands-on experience translating business and technical requirements into architectural designs
Experience designing secure, enterprise-scale and transitional architectures
Familiarity with programming and scripting languages such as C#, JavaScript, SQL, or similar
Ability to explain complex technical concepts clearly to non-technical stakeholders
If you’d like to discuss this opportunity in more detail, please contact Evie Ellson on (phone number removed) or send your CV to (url removed).
Senior C# Developer
Adecco
London
Hybrid
Senior
Private salary
RECENTLY POSTED
csharp
windows
python
Senior C#. NET DeveloperLocation: London (Hybrid) Contract: 6 months IR35: Inside IR35Our client, a leading global investment bank, is looking for an experienced C#. NET Developer to join their team on a 6-month contract. This role is pivotal in modernising and supporting business-critical applications while contributing to greenfield development initiatives.Key Responsibilities
Design, build, and maintain server-side and client-side applications using .NET Framework/Core, React/TypeScript, and relational databases (SQL Server, Oracle).
Refactor legacy systems to reduce technical debt and improve performance.
Implement modern security patterns (OAuth2/OpenID Connect, OWASP principles).
Optimise database queries and schemas; ensure safe migrations.
Participate in CI/CD processes, code reviews, and adhere to Change Management procedures.
Collaborate with cross-functional teams and provide occasional out-of-hours support.
Essential Skills
Strong proficiency in .NET Framework/Core.
Experience with SQL Server and Oracle performance tuning.
Knowledge of secure SDLC practices and OWASP principles.
Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases.
Excellent communication and problem-solving skills.
Desirable
React/TypeScript
Certifications in Azure/AWS, CISSP, or DevOps.
Familiarity with Docker/Kubernetes, observability practices, and API gateways.
Exposure to greenfield projects and Python scripting.
Apply now to join a dynamic team and work on cutting-edge projects within a global investment banking environment.
Senior C# Developer - Londin - Perm
Infused Solutions Ltd
London
In office
Senior
£50,000 - £80,000
RECENTLY POSTED
csharp
aws
dot-net
restful
sql
Senior C# DeveloperLocation: London (Fully Onsite) Employment Type: Permanent Salary: 50,000 - 60,000 (DOE) Visa Sponsorship: Not availableWe’re working with a London-based organisation that is looking to hire an experienced Senior C# Developer to join their engineering team in a fully onsite position. This role is ideal for someone who enjoys hands-on development, working closely with the business, and taking ownership of complex systems.The RoleAs a Senior C# Developer, you’ll be responsible for designing, developing, and maintaining business-critical applications built on C#/.NET and SQL. You’ll play a key role in technical decision-making, improving code quality, and ensuring the reliability and performance of core systems.You’ll work closely with other developers, QA, product owners, and non-technical stakeholders, contributing across the full software development lifecycle.Key Responsibilities
Design, develop, and maintain applications using C# / .NET
Write, optimise, and maintain SQL queries, stored procedures, and database schemas
Contribute to technical architecture and system design discussions
Carry out code reviews and promote best development practices
Support and mentor junior and mid-level developers
Troubleshoot, debug, and improve existing systems
Collaborate closely with business and technical teams onsite
Essential Skills & Experience
Strong commercial experience as a Senior C# Developer
Advanced knowledge of C# / .NET
Strong experience working with SQL (SQL Server or similar)
Experience delivering and supporting production-grade applications
Solid understanding of software design principles and best practices
Comfortable working in a onsite London-based team
Strong communication and stakeholder engagement skills
Desirable Skills
Experience with modern .NET versions
Exposure to cloud platforms (Azure, AWS, or similar)
Experience with RESTful APIs
Familiarity with Agile / Scrum environments
What’s On Offer
Salary of 50,000 - 80,000 depending on experience
onsite role in London
Opportunity to work on business-critical systems
Collaborative, experienced engineering team
Long-term stability and career progression
Apply NowIf you’re a Senior C# Developer looking for an onsite role in London where you can have real technical ownership and work on complex systems, we’d love to hear from you.
Senior Software Engineer - .NET Core, Blazor, SQL Server
Applause IT Recruitment Ltd
London
Fully remote
Senior
£50,000 - £60,000
RECENTLY POSTED
dot-net
dot-net-core
blazor
sql
git
csharp
Location: Remote (UK-based)Salary: 50,000 - 60,000 (depending on experience)Benefits: Company pension scheme, 25 days holiday + bank holidaysApplause IT are recruiting for a Senior Software Engineer on behalf of a highly impactful, tech-driven not-for-profit organisation that’s tackling one of the world’s most pressing health challenges.This remote-first, UK-based team is small, but their global impact is enormous, distributing tens of millions of life-saving resources annually, powered by a bespoke tech platform that emphasises transparency, accountability, and data accuracy.As their operations grow, they’re seeking an experienced Senior Software Engineer to help evolve and scale their platform.What you’ll be doing:
Developing and maintaining robust internal and external systems using .NET Core, Blazor, and SQL Server
Designing secure, scalable, and efficient relational databases
Taking ownership of projects from analysis to deployment
Collaborating with a cross-functional, agile team on tech and process improvements
Contributing to architecture, UX, and security decision-making
Occasionally supporting junior developers and end users
What they’re looking for:
5+ years of experience with .NET Core, C#, SQL Server
Proficiency with Blazor, Razor Pages, and EF Core
Strong front-end skills: HTML, CSS, JavaScript/jQuery, responsive design
Solid understanding of web security, application architecture, and database design
Experience with version control (Git) and modern deployment workflows
Comfortable managing small projects or teams when needed
Bonus: Experience with non-web applications (e.g. console apps, desktop tools, or APIs)
Why apply?
Work with purpose - your code directly supports millions of people worldwide
Join a focused, collaborative, and mission-driven environment
Fully remote (UK-based), flexible working arrangements
Be part of a tech-focused organisation that values innovation and impact
If you are interested please send a copy of your CV to (url removed) or CLICK APPLY
QA Engineer
Retelligence
London
In office
Junior - Mid
£50,000 - £55,000
RECENTLY POSTED
windows
dot-net
github
swift
kubernetes
yaml
+7
Job Title: QA Engineer Location: London Department: Quality Assurance Reports to: Senior QA Engineer or QA Lead Engineer Direct Reports: None Corporate Title: Associate Functional Title: QA Engineer Role Holder: Vacancy Role Purpose: As a QA Engineer, you will play a vital role in contributing to test automation solutions for agile projects. This includes assisting in the design and maintenance of test automation frameworks, integration into build and deployment pipelines via GitHub Actions, and building automated tests using .Net Core and C#. The role requires a collaborative approach to delivering high-quality applications and test solutions within an agile environment. You will have the opportunity to drive improvements in the testing processes and methodologies, while working closely with cross-functional teams to ensure robust automated test solutions. A solid understanding of the technical environment and functional characteristics of the products will be essential to your success. Key Responsibilities: * Contribute to building and maintaining automation test frameworks using .Net Core and C# with BDD (Behaviour-Driven Development). * Design and implement automated tests for functional and regression testing. * Perform functional and regression testing for all code and configuration changes. * Document QA processes and practices, building a knowledge database. * Integrate automated tests into the engineering build pipeline (Continuous Integration) via GitHub Actions. * Conduct exploratory testing in line with agile practices and QA industry standards. * Collaborate with DevOps, Engineering, Operations, and Client Delivery teams to understand technical changes and testing requirements. * Share knowledge and provide support to the QA team on test automation. * Gain an understanding of the product suite and related functionality. * Support the Senior QA Engineer in adhering to industry standards and internal test automation practices. * Work with development teams to identify, log, and resolve bugs or unexpected behaviors. Knowledge & Skills: * Strong experience in object-oriented programming using C# (preferred) or Java. * Experience in developing .Net-based test automation solutions with BDD tools such as SpecFlow and Gherkin. * Expertise in automating tests for REST APIs and/or UI-based applications. * Experience with GitHub Actions workflow (yaml) for CI pipeline deployments and testing. * Experience using Selenoid for parallel UI testing is a plus. * Familiarity with AKS (Azure Kubernetes Service) is advantageous. * Solid understanding of SQL and experience writing relational database queries. * Experience in non-functional testing (e.g., performance, load, stress testing) using tools like Neoload is beneficial. * Familiarity with financial system testing (XML, JSON, FIX, SFTP, or Swift) is a plus. * Knowledge of QA automation methodologies, tools, and agile processes. * Strong understanding of testing techniques such as Equivalence Partitioning and Boundary Value Analysis. * Proficient in Microsoft products, Visual Studio, Azure, and general Windows PC environments. * Strong communication skills, both technical and non-technical. * ISTQB Software Testing certifications are preferred
Engineering Manager / Tech Lead (contract)
Morgan Philips UK Limited
City of London
Hybrid
Senior
£650/day - £800/day
RECENTLY POSTED
react
javascript
dot-net
angularjs
wordpress
csharp
+1
I am recruiting a day rate contractor to assist my client who is going through digital transformation. The project involves consolidating local websites into one global website as well as consolidating multiple CMS (content management systems). This will suit an individual who has experience within web development such as full stack or front end with some backend experience. This is a senior role and would suit someone who is a hands-on engineering manager or a tech lead. Experience A full stack developer with an emphasis on front end technologies Experience of delivering on large (global) scale web digital transformation projects. CMS experience such as Sitefinity, WordPress, Kentico, Content AI or similar. Experience with solutions design, architecture. Any experience of working with a customer-focused brand, B2C would be useful. Worked on membership platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role with a requirement of three days a week in the office based in central London. The rate is between £650 - £800 per day depending on experience. Please note you will receive an automated response advising you that we have received your CV. Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings. We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age. TPBN1_UKTJ
Engineering Manager / Tech Lead (contract)
Morgan Philips Group
City of London
Hybrid
Senior
£650/day - £800/day
RECENTLY POSTED
react
javascript
dot-net
angularjs
wordpress
csharp
+1
I am recruiting a day rate contractor to assist my client who is going through digital transformation. The project involves consolidating local websites into one global website as well as consolidating multiple CMS (content management systems). This will suit an individual who has experience within web development such as full stack or front end with some backend experience. This is a senior role and would suit someone who is a hands-on engineering manager or a tech lead. Experience A full stack developer with an emphasis on front end technologies Experience of delivering on large (global) scale web digital transformation projects. CMS experience such as Sitefinity, WordPress, Kentico, Content AI or similar. Experience with solutions design, architecture. Any experience of working with a customer-focused brand, B2C would be useful. Worked on membership platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role with a requirement of three days a week in the office based in central London. The rate is between £650 - £800 per day depending on experience. Please note you will receive an automated response advising you that we have received your CV. Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings. We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age
Sports Trading Quantitative Analyst
Spectrum It Recruitment Limited
London
In office
Graduate - Junior
£80,000
RECENTLY POSTED
c++
python
csharp
java
Excellent opportunity for a Quantitative Analyst who is passionate about sports to join an excellent client’s team based in central London. The successful Quantitative Analyst will join a small but very talented team and will be expected to interpret, filter, and analyse very large data sets whilst working closely with other analysts and developers. The successful Quantitative Analyst will be a forward-thinking individual who is more than comfortable working to both their own initiative and as a team. You will ideally be educated to at least MSc in a quantitative subject such as Mathematics, Statistics, Computer Science or Physics and any knowledge with sports betting/trading would be beneficial.This is an office-based role and as well as very competitive salaries, our client offers an excellent working environment.Skills required:
Proficient in several of the following: Python, C#, C++, Java
Mathematical Modelling
Mathematical skills, particularly a keen understanding of probabilities and statistics
Analytic mindset
Strong communication skills
Accuracy and attention to detail
Experience in data science
An interest in sports - Ideally football or cricket
If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson atSpectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.
Azure Site Reliability Engineer
Boss Professional Services
Epsom
Hybrid
Mid - Senior
£85,000
RECENTLY POSTED
processing-js
powershell
csharp
azure-storage
sql
Senior Azure Support Engineer
Location: Richmond-Upon-Thames
This is a hybrid role.
You must be British for Security Clearance reasons
We are hiring for a Senior Azure Support Engineer to join a growing business and be responsible for the maintenance and support of the Azure Cloud Environment that hosts SaaS web-based applications.
The environment operates hundreds of Single Tenant (ST) and Multi-Tenant (MT) deployments across Azure, each with their own Servers, database, and storage.
This role exists to keep every deployment reliable resolving ensuring uptime and building automation.
Investigating and fixing complex application and infrastructure issues.
Monitoring capacity, performance, and error budgets across all deployments.
Designing automation and tooling to improve reliability and reduce manual work.
Technical Skills required for the Senior Azure Support Engineer
3+ years in third-line support, SRE, or cloud operations for enterprise SaaS.
Proven track record in incident resolution and root cause analysis.
Experience working with both multi-tenant and single-tenant cloud architectures.
Strong background in supporting C#/.NET Core/MVC web applications with SQL Server backends and Azure Blob Storage.
Advanced Azure diagnostics (Application Insights, Log Analytics, Kusto Query Language).
Proficient in SQL for investigation and remediation.
Scripting and automation skills in PowerShell and/or C#.
Understanding of Azure components: App Services, VMs, SQL DB, Blob Storage, scaling strategies.
Experience in capacity planning, SLOs, and error budget management
Azure Monitor, Application Insights, Log Analytics, Azure Data Explorer (KQL), Azure Functions, Logic Apps, PowerShell, C#, SQL Server Management Studio, Azure Storage Explorer, Power BI (for reporting).
The Senior Azure Support Engineer responsibilities and tasks:
Monitor ST and MT environments for server performance, response times, error rates, etc.
Detect and resolve database issues, stalled file processing, or misplaced storage objects.
Use Azure diagnostics and telemetry to troubleshoot and resolve complex incidents.
Provide third-line support for escalated customer cases, collaborating with development.
Maintain uptime, performance, and scalability across all ST and MT deployments.
Define and track service-level objectives (SLOs).
Perform capacity planning for Servers, databases, and storage, scaling resources.
Identify systemic patterns causing downtime and implement fixes at scale.
Build PowerShell scripts and automation (Azure Functions, Logic Apps)
Automate environment health checks and reporting.
Develop self-healing routines for recurring problems.
Implement and maintain Azure Monitor/Application Insights/Log Analytics dashboards
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