Job Title: .NET Developer
Location: London, Hampshire, Surrey, Greater London
Salary: £50,000 - £70,000

We are seeking a talented .NET Core Developer to join our dynamic development team. You’ll play a key role in designing and implementing core modules for our innovative software solutions. Working closely with the wider team, you’ll have individual responsibility for specific modules, ensuring they meet performance, scalability, and quality standards. This is an exciting opportunity to work on cutting-edge technologies and contribute to impactful projects.

Key Responsibilities

* Design, develop, and maintain application modules, including the Database Module, API Module, Engine, and Logic.

* Build and enhance REST APIs to ensure robust and efficient communication between application components.

* Develop scalable solutions using .NET Core and C#, adhering to best practices and coding standards.

* Implement and optimize data storage solutions using Entity Framework and SQLite.

* Collaborate with team members to integrate individual modules into the larger system architecture.

* Conduct code reviews, write unit tests, and debug to ensure quality and reliability.

* Document technical designs and maintain clear communication with the team and stakeholders.

Skills and Experience

* Proficiency in .NET Core and C#, with a strong understanding of object-oriented programming principles.

* Experience designing and building REST APIs with a focus on performance, security, and scalability.

* Hands-on experience with Entity Framework and integrating SQLite for data storage and retrieval.

* Strong problem-solving skills and the ability to develop and debug complex logic.

* Familiarity with version control systems (e.g., Git) and CI/CD pipelines.

* Excellent communication skills and the ability to work collaboratively in a team environment.

Due to our high vacancy response rates unfortunately, we are not able to reply to all applicants. If you have not had feedback from our consultants within 14 days, please accept that your application has not been successful.

Cartisian Technical Recruitment are a specialist recruitment agency sourcing engineers for Automation, Scientific Technologies, Automotive, General Engineering & Manufacturing sectors

Azure Cosmos DB Developer – Contract – Hybrid (London)
Azure | Cosmos DB | Spark | PySpark | C# | .NET | AKS | CI/CD

We are seeking a hands-on Azure Cosmos DB Developer to join a high-profile cloud-native data transformation programme within financial services. This is a contract opportunity working on scalable, production-grade Azure microservices and distributed data platforms.

You will design and optimise Azure Cosmos DB (SQL API) solutions, focusing on query optimisation, RU consumption, throughput management, partitioning strategies and indexing performance. The role also involves integrating Cosmos DB Change Data Feed (CDF) with Spark / PySpark in distributed environments.

Key Responsibilities:

* Develop cloud-native applications using Azure Cosmos DB

* Implement partitioning, indexing and consistency models

* Optimise queries to reduce RU and improve latency

* Integrate Cosmos DB Change Feed with Spark

* Build services using C# / .NET Core or Node.js

* Deploy solutions via Azure Functions, AKS, App Services

* Contribute to CI/CD pipelines (GitLab / DevOps)

Required Skills:

* Strong hands-on experience with Azure Cosmos DB

* Experience with Spark or PySpark

* Knowledge of SQL API, Change Feed, throughput management

* Experience with C#, .NET, Node.js or Python

* Understanding of distributed systems and microservices architecture

* Azure platform experience (AKS, Functions, App Services)

This role suits a senior-level engineer who thrives in performance optimisation, scalable system design, and Azure cloud engineering within enterprise environments.

Apply now to discuss further

* Devon (Hybrid-working - minimum of 2 days in the office, meaning you must be based locally)

* c£55,000 to £60,000 per year

* Pension, Bonuses, Training and Development, etc.

Skills and Experience:

* Ability to design, document and execute effective manual and automated tests.

* Strong defect identification, documentation, and communication skills.

* Ability to assess and recommend automation tooling, including Playwright.

* Prioritisation and risk-based testing skills across critical workflows.

* Experience coordinating with engineering, product, and offshore teams.

* Proven experience in QA roles within SaaS or digital product environments.

* Experience evaluating or adopting test automation frameworks (e.g., Playwright, Cypress, Selenium, etc.).

* Strong background in manual testing, regression planning and UAT support.

* Experience in Agile or hybrid Agile environments.

* Understanding of web and API testing for React, React Native, .NET Core and SQL-based systems.

* Experience integrating automated tests into pipelines (Azure DevOps preferred).

The Opportunity:

My client based are a Software House based in Devon who are currently on the lookout for a QA Lead on a permanent basis.

The QA Lead is responsible for establishing and leading the quality assurance function across my client’s business.

This includes building strong manual testing practices, coordinating regression and UAT cycles and maturing their automation capability.

My client has an initial suite of Playwright tests, and the QA Lead will evaluate the suitability of Playwright as the automation framework, enhancing it where appropriate or recommending improvements as the testing needs evolve.

Working closely with the Engineering Manager and CTO, the QA Lead ensures each release meets required quality standards while shaping a scalable, future-proof QA approach.

Applications:

Please contact John Noonan here at ISR Recruitment to understand more about our client leading the way in delivering the very latest in technical solutions for their clients from their offices in Devon?

LOCATION: Glasgow Head Office [Hybrid, 4 office : 1 WFH]

RESPONSIBLE FOR/DIRECT REPORTS: n/a

JOB PURPOSE:

This role will be responsible for developing and maintaining end-to-end software solutions across both front-end and back-end systems. Ensure that applications are robust, scalable, and user-focused by combining strong technical expertise with an understanding of business requirements. Contribute to architectural decisions and ensure all software adheres to architectural standards and best practices. Provide guidance and coaching to the team as required.

PRINCIPAL TASKS AND RESPONSIBILITIES

Software Development

Develop high quality technical solutions which meet specified business objectives, whilst adhering to overarching business and technical requirements and constraints.

Ensure all software that is created is in line with the technical roadmap and development guidelines.

Optimise applications for maximum performance, scalability, and security

Work with other members of the team to ensure business requirements are appropriately converted to functional and technical specifications

Troubleshoot, debug, and resolve technical issues across the full technology stack.

Conduct unit testing, participate in code reviews, and support quality assurance processes.

Participate in squad ceremonies including Story Refinement, Sprint Planning and Retrospectives.

As a Senior

Contribute the design, architecture, and planning of complex systems and applications.

Mentor, coach, and support junior and mid-level developers to build skills and improve code quality.

Identify and address technical debt, proposing long-term solutions for maintainability and performance.

Act as an escalation point for complex technical issues across the full stack.

Own and drive major features or projects from concept through delivery.

Contribute to security reviews and ensure robust security practices across applications.

Basic Behaviours

Ensure that continuous improvement is baked into everything we do.

Support the development of a strong culture focused on transparency, collaboration, and high performance

Make time to support other members of the squad and answer questions when they need help.

Take responsibility of your personal objectives and those of the squad.

Take ownership of deadlines and releases for yourself and the team.

Any quality issues of the software the squad owns should be looked on as a temporary and unacceptable state of affairs. Every opportunity should be taken to rectify problems, in conjunction with the completion of squad and individual objectives.

SKILLS / EXPERIENCE

Professional / Academic / Qualifications

* 5+ years experience in a development role

* Degree level qualification

Specific Knowledge

* Microsoft .NET development stack (C#, ASP.NET, MVC, SQL Server)

* Azure, .NET Core, Entity Framework

* Angular, Typescript

* GIT, Azure DevOps

* RESTful Web APIs

* CI/CD Pipelines

* Experience of both Waterfall and Agile tools/frameworks

* Knowledge of secure coding practices and application security fundamentals

* Experience with Azure Cloud Services

* Knowledge of the Facilities Management domain

* Background in domain-driven design, event-driven systems, or clean architecture.

Demonstrated Behaviours

* Proactive, self-driven, and able to work independently or as part of a team

* Focused on outcomes rather than outputs

* Excellent verbal and written communication skills

* Pragmatic and flexible attitude

* Excellent interpersonal skills

* Attention to detail

* Mentoring/coaching skills

NET Developer

Hybrid (occasional visits to Bristol)

£50,000

Build powerful software. Shape modern web experiences. Grow your career.

Are you a passionate .NET Developer ready to take the next step in your career? We’re looking for a motivated, adaptable problem-solver who thrives on delivering high-quality solutions in a collaborative, forward-thinking environment.

This is your opportunity to work with modern technologies, influence technical direction, and make a real impact, all while enjoying the flexibility of hybrid working.

The Role

You will design and develop robust, scalable applications using modern .NET technologies, while contributing to the creation of responsive, high-performing web interfaces. Working closely with cross-functional teams, you will play a key role in delivering high-quality software solutions and continuously improving development practices.

This is a role for someone who enjoys ownership, values collaboration, and is comfortable working in a fast-paced environment with clear deadlines.

Essential Experience

Strong understanding of object-oriented programming principles

Solid commercial experience with modern responsive web design

Ability and willingness to learn new methodologies, technologies and development techniques

Motivated, flexible and able to work effectively under pressure

Comfortable working both independently and as part of a team or cross-team environment

Tech Stack

C#

.NET Core / .NET Framework 4.8

Visual Studio

HTML / CSS

TypeScript

Angular 2+

SQL Server

Entity Framework

Desirable Skills

SQL Server design, implementation and optimisation

AngularJS / jQuery

CI/CD (TeamCity)

NUnit / Unit Testing

AWS

Mentoring and supporting other team members

What’s On Offer

Hybrid working with minimal time in the office

Opportunity to work with modern technologies

Collaborative and supportive team culture

Clear opportunities for progression and technical development

If you’re a driven .NET Developer who enjoys solving complex problems and building high-quality software, we’d love to hear from you

Senior .NET Full Stack Developer
Hybrid, 2 -3 days per week on site. MUST be local.
Experience: 5+ years

The Opportunity
A well-established and fast growing digital technology business is looking to appoint an experienced Senior .NET Full Stack Developer to join it’s in-house development team. The organisation builds and operates multiple high-volume digital platforms and works in partnership with well-known UK brands.

This role offers the chance to join a commercially driven, entrepreneurial environment where innovation is encouraged, delivery is valued, and technical contributions have a direct impact on platform evolution. The culture is fast-paced, collaborative, and rewards high performance, with clear investment in professional development.

The Role
You will be a key contributor within a small but highly capable development team, working across the full software development lifecycle. The position provides exposure to complex, scalable systems, modern architecture, and evolving cloud-based infrastructure.

Core Responsibilities:
End-to-end development across the full software development lifecycle
Designing, developing, and maintaining scalable web applications
Collaborating closely with product, commercial, and technical stakeholders
Applying best-practice software design principles and patterns
Enhancing existing systems while contributing to new platform development

Essential Skills & Experience:
5+ years’ commercial experience as a .NET / ASP.NET Full Stack Developer
Strong experience with:
ASP.NET, .NET Core, C#, MVC / Razor, HTML, CSS, JavaScript, JSON, XML, MS SQL Server
Solid understanding of software architecture and design patterns
Experience building and consuming Web Services and RESTful APIs
Source control using Git
Deployment and hosting using IIS and Microsoft-based technologies

Desirable / Nice to Have:
Experience working on high-traffic or transaction-heavy platforms
Exposure to DevOps practices and CI/CD pipelines
SASS or modern front-end tooling
Cloud platforms (Azure, AWS, or Firebase)
Agile delivery environments (Scrum or Kanban)
SQL databases VB.NET exposure
SEO awareness

Why Apply?:
Join a growing technology business with clear technical ambition
Work on established, large-scale digital platforms
High-impact role with influence over technical direction
Supportive culture that recognises achievement and progression
Modern working environment with a collaborative development team

Full Stack Engineer | C# | Vue | £325/day | Inside IR35 | Fully Remote | 6 months (likely to extend to 12)

Vivo Talent are looking for a Full Stack Engineer Join a mature, well-supported system and make an impact without starting from scratch.

This role is ideal for someone who is comfortable in working autonomously and within a wider team to ensure a high level of effectiveness in their work. You’ll be part of a skilled team and will work with them to contribute a robust, backend-first platform.

What we’re looking for:

Backend: C#, .NET Core 8, microservices, big-picture system understanding
Frontend: Vue3 preferred (Angular/React ok), functional experience required
Nice to Have: Basic CI/CD (Azure DevOps), Terraform, platform awareness
Why this role? Collaborate with senior engineers, focus on solving real problems and work on a system that’s already mature and stable.

Rate: £325/day - Inside IR35

If you’re full stack engineer ready to make an impact, get in touch!

Full Stack Engineer | C# | Vue | £325/day | Inside IR35 | Fully Remote | 6 months (likely to extend to 12)

Full Stack Engineer | C# | Vue | £325/day | Inside IR35 | Fully Remote | 6 months (likely to extend to 12)

Full Stack Engineer | C# | Vue | £325/day | Inside IR35 | Fully Remote | 6 months (likely to extend to 12)

Derby (Hybrid)

Permanent (Full-Time)

to £50k-£60k (DOE) + Benefits

Syntax is looking for a talented Software Developer with strong C#, .NET Framework, .NET Core, MVC, and JavaScript experience for a permanent career opportunity in Derby (Hybrid).

Syntax Consultancy is an independently owned IT services and recruitment business with 30+ years’ experience of delivering IT solutions for an array of Public and Private sector organisations.

A chance to join our dynamic development team at our Derby office (Pride Park), including hybrid working options. Start ideally by April 2026.

Key skills, experience + tasks include:

Software Developer with a strong foundation in C#, .NET Framework, and .NET Core, along with proficiency in MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MS SQL, TFS + DevOps practices.

Technical Expertise: C#, .NET Framework, .NET Core, MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MSSQL, TFS, DevOps and SQL Server databases.

Working across all phases of the software development lifecycle (SDLC), including requirements analysis, design, coding, testing, deployment + maintenance.

Developing high-quality, scalable and maintainable code that meets project requirements and industry standards.

Troubleshooting + debugging software issues on existing systems and providing timely resolutions.

Performing code reviews, providing constructive feedback + mentoring junior team members.

Advantageous: React, Microservices, RESTful APIs, GraphQ, Azure Cloud Services, payment gateways, financial technologies, IT related Degree.

Benefits: £50-60k Salary (DOE) + Hybrid Working + Pension + Generous Annual Leave (plus BHs) + Death in Service + Health Benefits + Training & Career Development + Annual Pay Reviews.

Why work with us

Our People – we have a diverse team of people at Syntax with a mix of personalities, genders, ages and ethnic backgrounds. We welcome people from all walks of life and we recruit on merit.

Flexibility – we operate a flexible approach to working, our staff have the option to work from home on a hybrid basis at agreed times.

Job Security – we are an established, healthy business with a 30+ year proven track record and low staff turnover. Many of our key people have been with us for 10+ years.

Work Environment – a friendly and positive working environment. We treat people as grown-ups and trust them to deliver what’s expected of them.

Convenience – we have free on-site parking our office is easily accessible, located just outside Derby City Centre. Easily commutable by car or public transport.

Values – we are a team of committed professionals with shared values and a strong team ethos. We work hard to embody our core values of: service, empathy, energy, ownership, going the extra mile, and fun

Oxford - Once a month in the office
£60,000-£70,000

I’m currently working for a global business who are well established within the online gaming/gambling industry and looking to add a Senior .Net Developer to their growing team. The company have been going for over 20 years and work with a variety of businesses from small, local gaming companies to some of the world’s largest online casinos!

Given the size of some of their clients and their respective global customer bases, this company have off-shore teams in Canada, South Africa and China although there would be minimal interaction with these teams. For the most part, you will be working on modern web applications across a variety of platforms focusing on the backend.

You don’t need to have previous industry experience but being collaborative and confident working on multiple projects is important. The role is at Senior level so there will be opportunities to take on additional responsibilities at lead level.

This role requires office working of once a month. However, this is quite flexible where they can do less frequently or more frequently depending on your preference.

Technical Requirements

Minimum 3-5 years’ experience within Software Development.
Backend Essentials: C#, .Net Core, ASP.NET MVC, MySQL.
Front End Desirables: JavaScript, any JS framework.
Nice to have’s: AWS, APIs, CI/CD, Unit Testing.
Experience with Agile methodologies.
Confident working across different teams.
Salary/Benefits

£60,000-£70,000
Bonus up to £5,000.
23 days holiday.
Private Medical Insurance/DIS benefit.
3% Contributory Pension
Perk Scheme
If this opportunity is of interest, then please apply and I can give you a call.

Tim Stock
(url removed)
(phone number removed) / (phone number removed)

Senior Software Engineer - Oxford (Hybrid)

Salary: £60k + Annual Bonus

We have partnered exclusively with a market-leading Manufacturing company who have an exciting opportunity for a Senior Software Engineer to join their growing team.

This role will be focused on the design, development, and maintenance of their software products within a .NET environment. Successful candidates for this position must have a minimum of 5+ years’ experience developing with .NET, C#, XAML, Avalonia, as well as experience with web client-server application development, and UI development.

Key Responsibilities:

• Work on cross-platform projects including cloud-based, RESTful APIs, and client/server-based solutions.
• Plan, track, and manage software projects - working both independently and collaboratively within Agile teams to meet project objectives and deadlines.
• Design, develop, test, and maintain applications and GUI software across the full software development lifecycle.
• Capture and interpret customer and user requirements to deliver high-quality, reliable software solutions.
• Develop and maintain real-time and post-process data analysis software.
• Apply relevant expertise in order to create robust, scalable, and maintainable code; whilst adhering to company policies and processes.
• Develop and maintain software architecture using best practices such as multi-threading, design patterns, and SOLID principles.
• Specify, install, and maintain development tools and technologies (e.g., GitLab DevOps, IDEs, testing frameworks).
• Investigate and resolve software issues or feature requests raised by internal teams, representatives, or customers.
• Contribute to R&D initiatives by identifying opportunities for innovation and improvement in existing or new software products.
• Provide guidance, mentoring, and technical support to junior team members.

Essential Skills:

• .NET / .NET Core Frameworks
• C# and XAML
• Avalonia
• Web client-server application development
• Experience developing user interfaces, data visualisation tools, and interactive software.
• Strong communication and teamwork, able to work effectively across technical and non-technical teams.
• Minimum of 2:1 degree in programming or computer science or equivalent industry experience required.

Nice to haves:

• Git (GitLab DevOps)
• Knowledge of communication protocols
• AWS
• Experience in the Manufacturing or Medical Industry
• Background in Electronics Engineering

Benefits:

• Competitive base salary (DOE)
• Annual profit share bonus
• 27 days holiday + bank holidays
• 5% employee and 5% employer contributions via salary sacrifice pension scheme
• Flexi hours
• Private Medical Insurance
• EV Car Scheme
• Learning & Development training budget
• Smart casual dress code

If you’re an experienced Software Engineer skilled with C# .NET and you are looking to join a market-leading company offering a great benefits package, this could be the perfect opportunity for you.

Please apply to be immediately considered.

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

Derby (Hybrid)

Permanent (Full-Time)

to £50k-£60k (DOE) + Benefits

Syntax is looking for a talented Software Developer with strong C#, .NET Framework, .NET Core, MVC, and JavaScript experience for a permanent career opportunity in Derby (Hybrid).

Syntax Consultancy is an independently owned IT services and recruitment business with 30+ years’ experience of delivering IT solutions for an array of Public and Private sector organisations.

A chance to join our dynamic development team at our Derby office (Pride Park), including hybrid working options. Start ideally by April 2026.

Key skills, experience + tasks include:

Software Developer with a strong foundation in C#, .NET Framework, and .NET Core, along with proficiency in MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MS SQL, TFS + DevOps practices.

Technical Expertise: C#, .NET Framework, .NET Core, MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MSSQL, TFS, DevOps and SQL Server databases.

Working across all phases of the software development lifecycle (SDLC), including requirements analysis, design, coding, testing, deployment + maintenance.

Developing high-quality, scalable and maintainable code that meets project requirements and industry standards.

Troubleshooting + debugging software issues on existing systems and providing timely resolutions.

Performing code reviews, providing constructive feedback + mentoring junior team members.

Advantageous: React, Microservices, RESTful APIs, GraphQ, Azure Cloud Services, payment gateways, financial technologies, IT related Degree.

Benefits: £50-60k Salary (DOE) + Hybrid Working + Pension + Generous Annual Leave (plus BHs) + Death in Service + Health Benefits + Training & Career Development + Annual Pay Reviews.

Why work with us

Our People - we have a diverse team of people at Syntax with a mix of personalities, genders, ages and ethnic backgrounds. We welcome people from all walks of life and we recruit on merit.

Flexibility - we operate a flexible approach to working, our staff have the option to work from home on a hybrid basis at agreed times.

Job Security - we are an established, healthy business with a 30+ year proven track record and low staff turnover. Many of our key people have been with us for 10+ years.

Work Environment - a friendly and positive working environment. We treat people as grown-ups and trust them to deliver what’s expected of them.

Convenience - we have free on-site parking our office is easily accessible, located just outside Derby City Centre. Easily commutable by car or public transport.

Values - we are a team of committed professionals with shared values and a strong team ethos. We work hard to embody our core values of: service, empathy, energy, ownership, going the extra mile, and fun.

TPBN1_UKTJ

Software Developer - C# .NET Core/Vue/AWS - Lincoln - £50,000 - £55,000

The Role

An innovative and growing technology company in the leisure sector is looking to add a talented Software Developer to its UK-based team.

You’ll be contributing to a modern software platform that’s making a big impact across a niche global market. There will be the opportunity to collaborate with other developers and people across the wider technical team working on a variety of existing and greenfield projects.

You’ll join a friendly, cross-functional team where your input will shape key product decisions and help improve the user experience for thousands of active users. The work is varied, ranging across the full stack on a variety of systems.

Requirements

• Minimum 4 years of experience in Software Development
• C# .NET Core
• SQL Server
• JavaScript/TypeScript/HTML + CSS
• JavaScript frameworks (Vue ideally but will consider React/Angular/KnockoutJS)

Desirables

• AWS (EC2, SNS and Cloud Formation)
• DevOps and build automation tools
• Agile/Scrum Methodologies

The Company

This is a expanding tech company operating in a niche sector with a stable, global customer base. With team members across multiple countries, they offer the feel of a close-knit startup with the backing and stability of a mature business. They are currently expanding into other global markets, demonstrating their positive growth!

They foster a culture where developers are encouraged to take ownership, be creative, and work collaboratively. You’ll benefit from strong leadership, technical freedom, and the chance to work on products used internationally.

Salary for this role is between £50,000 and £55,000 DOE and further benefits include hybrid working (2 days in the office, 3 days WFH a week), your birthday off, free onsite parking, the opportunity to progress in an exciting sector and much more!

Apply Now

If you’re looking for a role that offers flexibility, challenge, and the chance to build meaningful software in a collaborative setting, this will be the role for you!

Don’t miss out and apply today!

Software Developer - C# .NET Core/Vue/AWS - Lincoln - £50,000 - £55,000

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

Senior Software Engineer - Oxford (Hybrid)

Salary: £60k + Annual Bonus

We have partnered exclusively with a market-leading Manufacturing company who have an exciting opportunity for a Senior Software Engineer to join their growing team.

This role will be focused on the design, development, and maintenance of their software products within a .NET environment. Successful candidates for this position must have a minimum of 5+ years’ experience developing with .NET, C#, XAML, Avalonia, as well as experience with web client-server application development, and UI development.

Key Responsibilities:

Work on cross-platform projects including cloud-based, RESTful APIs, and client/server-based solutions.

Plan, track, and manage software projects - working both independently and collaboratively within Agile teams to meet project objectives and deadlines.

Design, develop, test, and maintain applications and GUI software across the full software development lifecycle.

Capture and interpret customer and user requirements to deliver high-quality, reliable software solutions.

Develop and maintain real-time and post-process data analysis software.

Apply relevant expertise in order to create robust, scalable, and maintainable code; whilst adhering to company policies and processes.

Develop and maintain software architecture using best practices such as multi-threading, design patterns, and SOLID principles.

Specify, install, and maintain development tools and technologies (e.g., GitLab DevOps, IDEs, testing frameworks).

Investigate and resolve software issues or feature requests raised by internal teams, representatives, or customers.

Contribute to R&D initiatives by identifying opportunities for innovation and improvement in existing or new software products.

Provide guidance, mentoring, and technical support to junior team members.

Essential Skills:

.NET / .NET Core Frameworks

C# and XAML

Avalonia

Web client-server application development

Experience developing user interfaces, data visualisation tools, and interactive software.

Strong communication and teamwork, able to work effectively across technical and non-technical teams.

Minimum of 2:1 degree in programming or computer science or equivalent industry experience required.

Nice to haves:

Git (GitLab DevOps)

Knowledge of communication protocols

AWS

Experience in the Manufacturing or Medical Industry

Background in Electronics Engineering

Benefits:

Competitive base salary (DOE)

Annual profit share bonus

27 days holiday + bank holidays

5% employee and 5% employer contributions via salary sacrifice pension scheme

Flexi hours

Private Medical Insurance

EV Car Scheme

Learning & Development training budget

Smart casual dress code

If you’re an experienced Software Engineer skilled with C# .NET and you are looking to join a market-leading company offering a great benefits package, this could be the perfect opportunity for you.

Please apply to be immediately considered.

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

TPBN1_UKTJ

Job Title: Software Developer (.NET / SQL) - Junior / Mid-Level

Location: Hull, UK (Hybrid / Office)

Salary: 26,660 - 32,000 per annum

Job type: Full-time, Permanent

Reality Solutions is a leading regional IT Solutions Provider and Sage Accredited Business Partner based in Hull. We are looking for a Software Developer with experience in VB.NET and/or C#.NET to join our development team. You will work on internal and client-facing business systems, contributing to both ongoing product development and new feature delivery.

About the role

This role suits a developer with solid foundations in .NET and SQL who is comfortable working across backend logic, database interaction, and supporting user-facing applications. You will be involved in maintaining existing systems while also helping modernise parts of the platform over time.

Key Responsibilities:

• Develop and maintain applications using VB.NET and C#.NET
• Design, write, and optimise SQL Server queries and stored procedures
• Implement new features and improve existing functionality
• Debug, test, and resolve software defects
• Work with internal stakeholders to understand business requirements
• Maintain and improve legacy systems while contributing to modernisation efforts
• Integrate with third-party systems and APIs
• Contribute to documentation and handover processes
• Follow version control and release procedures

About you

We are looking for a practical problem solver who can work through real business scenarios. You should be comfortable working with legacy code and improving it safely, and a clear communicator with non-technical stakeholders. We value attention to detail, ownership of delivered work, and a willingness to learn and expand into newer technologies.

Required Skills & Experience:

• Commercial experience with .NET development (VB.NET and/or C#.NET)
• Strong working knowledge of SQL Server and relational database concepts
• Experience writing queries, joins, views, and stored procedures
• Understanding of application debugging and troubleshooting
• Familiarity with Git-based version control workflows
• Ability to work independently on defined tasks
• Good understanding of software structure and maintainability

Desirable Skills:

• Experience with ASP.NET / .NET Core / Web APIs
• Exposure to ERP or business management systems (Sage 200)
• Experience integrating with REST APIs
• Familiarity with Power Platform / Power Apps
• Mobile development exposure (e.g., Flutter / Dart)
• Cloud exposure (Azure or AWS)
• DevOps or CI/CD pipeline familiarity

What we offer

• Varied work across multiple business systems
• Opportunity to modernise legacy applications
• Exposure to full development lifecycle
• Supportive team environment with room to grow
• Healthy balanced work-life environment

Please click the APPLY button to send your CV and covering letter for this role.

Candidates with the relevant experience and job titles of; .NET Developer, C# Developer, VB.NET Developer, SQL Developer, Junior Developer, Mid-Level Developer, Software Engineer, Database Developer, and Backend Developer may be suitable for this role.

Job Title: Azure Cosmos DB Developer
Location: London (Hybrid 1 day per week onsite mandatory)
Contract Type: Contract
Duration: 6 Months
Rate: £(Apply online only)/day (Inside IR35)
Industry: Financial Services

Azure Cosmos DB Developer Contract London (Hybrid)

We are seeking an experienced Azure Cosmos DB Developer to join a major global financial services organisation undergoing significant transformation across its application and data engineering landscape.

This is an exciting opportunity to contribute to the modernisation of critical platforms within a highly regulated, enterprise-scale environment.

You will play a key role in delivering high-performance, cloud-native data solutions using Azure services, ensuring scalability, resilience, and operational excellence.

The Role

You will support the transformation of mission-critical systems, driving technical excellence in data engineering and cloud-native development. The role requires strong hands-on expertise in Azure Cosmos DB, Spark, and distributed computing concepts.

Key Responsibilities

• Develop cloud-native applications using Azure Cosmos DB (SQL API & Mongo API)
• Design and optimise NoSQL data models
• Implement partitioning and indexing strategies for performance optimisation
• Optimise RU consumption and query performance
• Work with Cosmos DB Change Data Feed (CDF) and Spark integrations
• Develop reusable libraries using C#/.NET or Node.js
• Build CI/CD pipelines using GitLab
• Implement automated testing frameworks
• Collaborate with architecture and DevOps teams in a microservices ecosystem
• Ensure compliance with security and governance standards

Essential Skills & Experience

• Strong hands-on experience with Azure Cosmos DB
• Query optimisation and throughput management expertise
• Experience with Cosmos DB Change Data Feed (CDF)
• Strong PySpark and Spark distributed computing knowledge
• Experience integrating Spark with Cosmos CDF
• High proficiency with Cosmos DB SDKs (.NET, Java, Python, Node.js)
• Deep understanding of partitioning, indexing, and consistency models
• Experience with Azure services (Azure Functions, App Services, AKS, Logic Apps)
• CI/CD experience (GitLab preferred)
• Strong problem-solving and stakeholder engagement skills

Desirable

• Advanced proficiency in C#, ASP.NET, and .NET Core
• Strong object-oriented design principles

Why Apply?

• Work on enterprise-scale financial platforms
• Contribute to high-impact digital transformation initiatives
• Hybrid working model with flexibility
• Opportunity to shape secure, scalable systems within a regulated environment

If you are a Cosmos DB specialist looking for your next contract engagement within financial services, we would love to hear from you.

A leading consultancy specialising in data extraction and data management have a new opportunity for an experienced SQL Database Administrator / Manager to join them at their offices in Woking.

Key Skills: MS SQL Server database, business application support experience, CEDAR, Auth0, AngularJS / Angular

Location: Woking - GU22 7AE

Hybrid: Working from home on Monday and Friday - in office on Tuesday, Wednesday and Thursday

Salary: Circa £50,000 - £60,000 + excellent benefits

This is an exciting new position for my client and they are keen to find someone who has at least 3-5 years MS SQL Server database / business application support experience who can bring new ideas and skills to the company.

As SQL Database Manager you will have experience of:

• Liaising with suppliers (hardware, software and services)

• Implementation planning skills / experience

• Knowledge of Security principles and practice

Responsibilities:

• Day-to-day administration & support of the CEDAR application
• Liaison with Rackspace and other suppliers (Auth0 etc)

Challenges:

• Understand the business environment and my client’s user community.

• Understand and support the monthly data release cycle

• Develop detailed knowledge of the CEDAR database and application platform

• Authentication (Auth0)

• Web Application (AngularJS / Angular)

• Server (MS .Net CORE)

• Database (MS SQL Server)

Formalise and document key business processesContribute to ongoing business improvement

This is an excellent opportunity for a database manager with 3-5 years’ experience of MySQL to join a well-established team of ‘data gurus’ and be part of a growing and very successful company.

Please click ‘apply now’ for more details.

Mid-Level Backend Developer C#, .NET Core & SQL Salary 45-60k Hybrid (North Bristol)

Would you like to join a national organisation that helps thousands of people across the UK during their time of need?

They’re looking to add a couple of Mid-Level Backend Developers to one of their core product teams. These products impact thousands of users daily, so you’ll get to work on products that are in production and see the fruits of your labour.

Their backend stack centres on C#, .NET Core & SQL, and a big focus for them is staying up to date with the latest developments in software engineering, so you’ll be working on cutting-edge tech. Beyond your technical skills, they love people that work with the user in mind, collaborating closely with product, design, and engineering colleagues to deliver software that genuinely solves real-world problems.

This is a fantastic opportunity to join a company that not only cares deeply about its customers but also invests heavily in technology. You’ll also benefit from working alongside some of the best technical leaders that I know in the Southwest - career development potential here is absolutely fantastic!

What you’ll need

• Strong commercial experience as a Backend Developer (you can also have worked in a full stack role if you are particularly backend focussed)
• Proven expertise with C#, .NET Core & SQL
• Ideally experience in a product-side environment, but an agency background will be considered if you’ve worked on complex engineering products
• Ability to work effectively in a collaborative, multi-functional team
• High levels of curiosity and a user-focused mindset - you care about building solutions that solve real problems
• High levels of curiosity and the desire to create solutions that solve the problems of users
• Happy to come into the office in North Bristol 2 days a week (public transport is possible but it’s best to have a car if you don’t live in walking distance - free parking is available!)

If you want to join a company with over a century of history that’s still driving innovation and delivering positive impact to its customers, click apply below or drop me a line at .

.NET Developer

Hybrid (occasional visits to Bristol)

£50,000

Build powerful software. Shape modern web experiences. Grow your career.

Are you a passionate .NET Developer ready to take the next step in your career? We re looking for a motivated, adaptable problem-solver who thrives on delivering high-quality solutions in a collaborative, forward-thinking environment.

This is your opportunity to work with modern technologies, influence technical direction, and make a real impact, all while enjoying the flexibility of hybrid working.

The Role

You will design and develop robust, scalable applications using modern .NET technologies, while contributing to the creation of responsive, high-performing web interfaces. Working closely with cross-functional teams, you will play a key role in delivering high-quality software solutions and continuously improving development practices.

This is a role for someone who enjoys ownership, values collaboration, and is comfortable working in a fast-paced environment with clear deadlines.

Essential Experience

• Strong understanding of object-oriented programming principles
• Solid commercial experience with modern responsive web design
• Ability and willingness to learn new methodologies, technologies and development techniques
• Motivated, flexible and able to work effectively under pressure
• Comfortable working both independently and as part of a team or cross-team environment

Tech Stack

• C#
• .NET Core / .NET Framework 4.8
• Visual Studio
• HTML / CSS
• TypeScript
• Angular 2+
• SQL Server
• Entity Framework

Desirable Skills

• SQL Server design, implementation and optimisation
• AngularJS / jQuery
• CI/CD (TeamCity)
• NUnit / Unit Testing
• AWS
• Mentoring and supporting other team members

What s On Offer

• Hybrid working with minimal time in the office
• Opportunity to work with modern technologies
• Collaborative and supportive team culture
• Clear opportunities for progression and technical development

If you re a driven .NET Developer who enjoys solving complex problems and building high-quality software, we d love to hear from you.

Derby (Hybrid)
Permanent (Full-Time)
to £50k-£60k (DOE) + Benefits

Syntax is looking for a talented Software Developer with strong C#, .NET Framework, .NET Core, MVC, and JavaScript experience for a permanent career opportunity in Derby (Hybrid).

Syntax Consultancy is an independently owned IT services and recruitment business with 30+ years’ experience of delivering IT solutions for an array of Public and Private sector organisations.

A chance to join our dynamic development team at our Derby office (Pride Park), including hybrid working options. Start ideally by April 2026.

Key skills, experience + tasks include:

• Software Developer with a strong foundation in C#, .NET Framework, and .NET Core, along with proficiency in MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MS SQL, TFS + DevOps practices.
• Technical Expertise: C#, .NET Framework, .NET Core, MVC, Entity Framework, JavaScript, jQuery, CSS, HTML, MSSQL, TFS, DevOps and SQL Server databases.
• Working across all phases of the software development lifecycle (SDLC), including requirements analysis, design, coding, testing, deployment + maintenance.
• Developing high-quality, scalable and maintainable code that meets project requirements and industry standards.
• Troubleshooting + debugging software issues on existing systems and providing timely resolutions.
• Performing code reviews, providing constructive feedback + mentoring junior team members.
• Advantageous: React, Microservices, RESTful APIs, GraphQ, Azure Cloud Services, payment gateways, financial technologies, IT related Degree.
• Benefits: £50-60k Salary (DOE) + Hybrid Working + Pension + Generous Annual Leave (plus BHs) + Death in Service + Health Benefits + Training & Career Development + Annual Pay Reviews.

Why work with us

• Our People we have a diverse team of people at Syntax with a mix of personalities, genders, ages and ethnic backgrounds. We welcome people from all walks of life and we recruit on merit.
• Flexibility we operate a flexible approach to working, our staff have the option to work from home on a hybrid basis at agreed times.
• Job Security we are an established, healthy business with a 30+ year proven track record and low staff turnover. Many of our key people have been with us for 10+ years.
• Work Environment a friendly and positive working environment. We treat people as grown-ups and trust them to deliver what’s expected of them.
• Convenience we have free on-site parking our office is easily accessible, located just outside Derby City Centre. Easily commutable by car or public transport.
• Values we are a team of committed professionals with shared values and a strong team ethos. We work hard to embody our core values of: service, empathy, energy, ownership, going the extra mile, and fun.

Principal Backend Developer (.NET) Manchester (Onsite) Up to 75,000

We’re looking for a Principal Backend Developer to join our Manchester-based team. This is a senior technical leadership role for an experienced .NET engineer who can drive backend architecture, scalability, and best practices.

Tech Stack

• .NET / .NET Core
• C#
• Web APIs
• SQL Server
• Azure (preferred)

The Role

• Lead backend architecture and technical direction
• Design and build scalable, high-performance APIs
• Champion clean code, testing, and engineering standards
• Mentor and support developers within the team
• Collaborate closely with product and frontend teams

What We’re Looking For

• Strong commercial experience with .NET / C#
• Proven experience in a senior or principal-level role
• Deep understanding of API design and backend architecture
• Experience mentoring and influencing technical decisions
• Strong communication and leadership skills

50249NB

INDMANS

Portfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.

LOCATION: Glasgow Head Office Hybrid, 4 office : 1 WFH

RESPONSIBLE FOR/DIRECT REPORTS: n/a

JOB PURPOSE:

This role will be responsible for developing and maintaining end-to-end software solutions across both front-end and back-end systems. Ensure that applications are robust, scalable, and user-focused by combining strong technical expertise with an understanding of business requirements. Contribute to architectural decisions and ensure all software adheres to architectural standards and best practices. Provide guidance and coaching to the team as required.

PRINCIPAL TASKS AND RESPONSIBILITIES

Software Development

Develop high quality technical solutions which meet specified business objectives, whilst adhering to overarching business and technical requirements and constraints.

Ensure all software that is created is in line with the technical roadmap and development guidelines.

Optimise applications for maximum performance, scalability, and security

Work with other members of the team to ensure business requirements are appropriately converted to functional and technical specifications

Troubleshoot, debug, and resolve technical issues across the full technology stack.

Conduct unit testing, participate in code reviews, and support quality assurance processes.

Participate in squad ceremonies including Story Refinement, Sprint Planning and Retrospectives.

As a Senior

Contribute the design, architecture, and planning of complex systems and applications.

Mentor, coach, and support junior and mid-level developers to build skills and improve code quality.

Identify and address technical debt, proposing long-term solutions for maintainability and performance.

Act as an escalation point for complex technical issues across the full stack.

Own and drive major features or projects from concept through delivery.

Contribute to security reviews and ensure robust security practices across applications.

Basic Behaviours

Ensure that continuous improvement is baked into everything we do.

Support the development of a strong culture focused on transparency, collaboration, and high performance

Make time to support other members of the squad and answer questions when they need help.

Take responsibility of your personal objectives and those of the squad.

Take ownership of deadlines and releases for yourself and the team.

Any quality issues of the software the squad owns should be looked on as a temporary and unacceptable state of affairs. Every opportunity should be taken to rectify problems, in conjunction with the completion of squad and individual objectives.

SKILLS / EXPERIENCE

Professional / Academic / Qualifications

• 5+ years experience in a development role

• Degree level qualification

Specific Knowledge

• Microsoft .NET development stack (C#, ASP.NET, MVC, SQL Server)

• Azure, .NET Core, Entity Framework

• Angular, Typescript

• GIT, Azure DevOps

• RESTful Web APIs

• CI/CD Pipelines

• Experience of both Waterfall and Agile tools/frameworks

• Knowledge of secure coding practices and application security fundamentals

• Experience with Azure Cloud Services

• Knowledge of the Facilities Management domain

• Background in domain-driven design, event-driven systems, or clean architecture.

Demonstrated Behaviours

• Proactive, self-driven, and able to work independently or as part of a team
• Focused on outcomes rather than outputs
• Excellent verbal and written communication skills
• Pragmatic and flexible attitude
• Excellent interpersonal skills
• Attention to detail
• Mentoring/coaching skills