I am looking for a permanent Senior Software Developer / Lead Software Developer for an extremely exciting business based in Plymouth. In this role you will be designing and building an enterprise level software solution with multiple applications for the business, a software solution that is being built from the ground up covering all functions and departments. Please note, this is an office-based position, working 4.5 days per week for full-time, 5-days per week pay. The working hours are 7:30am to 4:30pm Monday to Thursday and 7:30am to 12:30pm on Fridays. After probation you can potentially work from home 1-day per week with management approval. You will be responsible for leading the design, development and maintenance of the solution and its services across the full development lifecycle from architecture and design to deployment, delivery and ongoing support. You will be a key part of the development team and from the very start you will be given a high degree of freedom to apply your knowledge and experience of development, using a mixture of, .NET, C#, ASP.NET Core, ASP.NET, Blazor, Database Technologies (SQL Server, PL/SQL, T-SQL, SQL Server Management Studio - SSIS), ETL, Integration Platforms, Agile and Frontend Development (JavaScript/jQuery, React, Blazor) and Software Testing for this long-term and critical development programme. This is a hands-on role, so you MUST be a strong coder/programmer. The main technical stack in MS Technologies driven, so you need to be an expert in .NET and C# to be considered for the opportunity. Knowledge of Power BI is a bonus but is NOT a prerequisite for the role. You will take technical ownership, and you operate as a Senior Developer and Technical Lead so you MUST have experience working as a Senior Developer or Lead Developer to be considered for the position in previous posts. You will also be happy to share knowledge with more junior team members, and you will be a good communicator keen to interact with technical and non-technical staff. We are looking to speak with candidates who can demonstrate strong analytical and problem-solving abilities, candidates who can work independently as well as in a team environment, good communicators who are proactive and ambitious, keen to continue learning and staying ahead of technological trends. Experience with cloud platforms such as Azure/AWS, knowledge of CI/CD pipelines, DevOps and Architectural Patterns is a distinct bonus. KEYWORDS Senior Software Developer, Lead Software Developer, Senior Software Engineer, Lead Software Engineer, .NET, C#, ASP.NET Core, ASP.NET, Blazor, Database Technologies, SQL Server, PL/SQL, T-SQL, SQL Server Management Studio, SSIS, Power BI, ETL, Integration Platforms, Agile, Frontend Development, JavaScript, jQuery, React, Blazor, Software Testing, AWS, Azure, Cloud, CI/CD, DevOps, Software Architecture, Design Patterns. The role comes with an incredibly competitive salary and a strong benefits package which includes a pension, good holiday (23.5 days + Bank Holidays), Insurance and much more! To be considered for this role you will need to be located within a commutable distance of Plymouth, Devon and you MUST have the Right to Work in the UK long-term without company sponsorship as our client is unable to sponsor. Please note that due to a high level of applications, we can only respond to applicants whose skills and qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. Bowerford Associates Ltd is acting as an Employment Agency in relation to this vacancy

We re looking for a creative, detail-driven Web Developer to join a growing Web Development team.

This is an opportunity to work across the full stack, helping shape and deliver an ambitious digital roadmap as our expands their web-based products and services. If you enjoy building modern web solutions from the ground up and want real ownership of your work we d love to hear from you.

What you ll be doing

• Building and maintaining scalable websites and web applications
• Developing solutions using C#, ASP.NET / ASP.NET Core, MVC, HTML, CSS & JavaScript
• Designing and integrating REST APIs and working with JSON data
• Collaborating with developers, designers and business stakeholders
• Improving performance, security and usability across platforms
• Writing clean, efficient code following best practices

What we re looking for

• Around 5+ years experience in web development (or equivalent capability)
• Strong skills in C#, MVC, ASP.NET Core, JavaScript, HTML & CSS
• Experience debugging, profiling and deploying web applications
• Solid understanding of MVC patterns, ASP.NET controllers & web security (OWASP)
• Comfortable working with IIS
• Exposure to frameworks like React, Vue, Angular or Knockout is a plus
• Degree in Computer Science or related field preferred from UK University

You ll thrive here if you

• Take ownership and enjoy solving problems
• Communicate well and collaborate across teams
• Have a proactive, detail-focused mindset
• Enjoy building high-quality digital experiences

We’re looking for a creative, detail-driven Web Developer to join a growing Web Development team.
This is an opportunity to work across the full stack, helping shape and deliver an ambitious digital roadmap as our expands their web-based products and services. If you enjoy building modern web solutions from the ground up and want real ownership of your work — we’d love to hear from you.
What you’ll be doing * Building and maintaining scalable websites and web applications * Developing solutions using C#, ASP.NET / ASP.NET Core, MVC, HTML, CSS & JavaScript * Designing and integrating REST APIs and working with JSON data * Collaborating with developers, designers and business stakeholders * Improving performance, security and usability across platforms * Writing clean, efficient code following best practices
What we’re looking for * Around 5+ years’ experience in web development (or equivalent capability) * Strong skills in C#, MVC, ASP.NET Core, JavaScript, HTML & CSS * Experience debugging, profiling and deploying web applications * Solid understanding of MVC patterns, ASP.NET controllers & web security (OWASP) * Comfortable working with IIS * Exposure to frameworks like React, Vue, Angular or Knockout is a plus * Degree in Computer Science or related field preferred from UK University
You’ll thrive here if you… * Take ownership and enjoy solving problems * Communicate well and collaborate across teams * Have a proactive, detail-focused mindset * Enjoy building high-quality digital experiences

NET Developer (Full Stack) – Remote – Permanent – £55,000–£60,000 + Benefits Overview
Fuel Recruitment is working with a well‑established organisation that’s looking to add an experienced Full Stack .NET Developer to their remote team. This role offers the chance to work across the full development lifecycle, contributing to the design, build and ongoing improvement of scalable, high‑availability web applications. You’ll collaborate closely with cross‑functional teams in an Agile environment, delivering solutions into testing and production.
This is a great opportunity for a hands‑on developer who enjoys both back‑end and front‑end development within modern .NET environments.
Key Responsibilities * Design, develop and deploy scalable web applications using .NET technologies * Build and maintain front‑end and back‑end components * Write clean, maintainable code in line with industry best practices * Participate in Agile ceremonies, including sprint planning and code reviews * Troubleshoot, debug and resolve performance or reliability issues * Work collaboratively with internal teams throughout the product lifecycle Key Skills & Experience * Proven experience as a Full Stack Developer or in a similar role * Strong experience with C#, ASP.NET, .NET Core, MVC and MVVM * Experience developing enterprise‑level, scalable web applications * Solid SQL skills, including writing queries, stored procedures and database design * Experience building and consuming RESTful APIs and web services * Strong understanding of version control and change management processes * Experience working within Agile / SCRUM environments Technical Skills * C#, .NET 4.8+, ASP.NET, * JavaScript, HTML5, CSS3 * N‑Tier and Microservices architecture * Azure IaaS and Azure DevOps * Git source control * MS SQL Server administration and optimisation

Senior Full-Stack Web Application Developer Role: Senior Web Application Developer (Full-Stack)
Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile
Type: Contract, Daily Rate
Duration: 3+ Months
Location: London
Pay Rate: £450 - £525 per day (Inside IR35 - via Umbrella)
Start: ASAP/Urgent Senior Web Application Developer (Full-Stack) CPS Group UK are delighted to be working with a leading, globally recognized eCommerce brand to appoint a seasoned Senior Full-Stack Web Application Developer to play a key role in the migration of their eCommerce platform and microsites into ASP.NET MVC5 framework, along the roadmap towards a cloud-native architecture. The Senior Web Application Developer will be responsible for designing, building, and maintaining scalable, secure web applications that deliver complex solutions seamlessly across multiple platforms. high standards, attention to detail, and a forward-thinking mindset are required - helping shape coding best practices, modern coding standards, and supporting the journey toward a fully cloud-ready environment. Role Requirements * Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and React * Support migration activities, ensuring clean architecture, scalable design, and efficient implementation * Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns
* Contribute to front-end development using HTML5, CSS3, JavaScript, and modern React components * Participate in architectural discussions and propose improvements * Participate in code reviews, mentoring team members and ensuring consistency and maintainability * Manage source control, branching, and deployments using GitLab or Azure pipelines * Integrate and maintain third-party services and APIs
* Ensure smooth and stable release cycles across multiple websites and environments
* Deliver high-quality, secure, and scalable code aligned with architectural standards Required Skills & Experience * Extensive development experience with a strong track record in bespoke eCommerce and enterprise web applications projects
* Proven expertise on C#, ASP.NET MVC 5, SQL Server, Entity Framework * HTML5, CSS3, JavaScript, jQuery, and React experience. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experience working with RESTful API design and integration; SOAP WebServices and XML/XPath
* Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks * Experienced with CI/CD and DevOps pipelines (GitLab, Azure DevOps, TeamCity)
* Proven experience working in Agile environments7
* Understanding of application and database performance tuning, troubleshooting, and optimization techniques. * Familiarity with enterprise CMS platforms (e.g., SDL Tridion) For more information or immediate consideration for this opportunity, please contact Charlie Grant at CPS Group UK on (phone number removed) or email (url removed) By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed) src="(url removed)

Role: Software Engineer Location: Oxford (onsite) Salary: Up to £65,000 DOE I'm working with an innovative engineering-led organisation at the forefront of advanced manufacturing, looking for a Software Engineer to join their growing team. This is an exciting opportunity to develop cutting-edge platforms that drive optimisation, automation, and performance across complex industrial processes. Working as a Software Engineer in a fast-paced, agile environment, you will contribute across the full software development lifecycle, collaborating with multidisciplinary teams to deliver scalable, high-impact solutions. Key Responsibilities: Design, develop, and maintain software platforms Collaborate within cross-functional agile teams Contribute from user story creation through to UAT Solve complex technical challenges with innovative approaches Key Skills & Experience: Degree in a STEM subject (2:1 or above) Strong full-stack development experience (C#, ASP.NET) Experience with modern front-end frameworks Understanding of TDD, design patterns, and CI/CD Agile experience and strong communication skills Motivated problem solver with interest in applied science Desirable: React, TypeScript, Blazor, or GraphQL C++ or Python knowledge Docker and cloud deployment (Azure) Infrastructure as Code (Terraform)If you're interested in finding out the details, please reach out to Fintan at TEC Partners

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems.

This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability.

You will primarily work within a C# / .NET / SQL Server / ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications.

Key Responsibilities

• Design, develop, and maintain high-performance applications in C# and .NET
• Lead architectural discussions and contribute to technical direction
• Build scalable, reliable systems to support automated trading and research
• Develop and optimise database solutions (SQL Server or equivalent)
• Improve performance, reliability, and automation across systems
• Mentor junior developers and promote best engineering practices
• Participate in code reviews and enforce high standards of quality
• Collaborate closely with researchers and traders to translate requirements into robust software solutions
• Contribute to continuous improvement of development processes and tooling

Required Skills & Experience

• BSc (or higher) in Computer Science or a related scientific discipline
• Strong recent experience with C# and the latest .NET platform
• 5+ years of professional software development experience
• Solid experience with SQL Server, Oracle, or equivalent relational databases
• Strong understanding of object-oriented design principles and software architecture
• Experience building production-grade, scalable systems
• Fluency in English with excellent written and verbal communication skills
• High attention to detail and a thorough, analytical mindset

Desirable

• Experience in multi-threaded and concurrent application development
• Network programming experience (TCP/UDP)
• Experience with distributed version control systems (Git)
• Strong understanding of Windows technologies
• Exposure to financial markets or trading systems

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

.Net Software Engineer - AI-Driven Automotive Solutions

Location: Near Portsmouth / Fareham, Hampshire (4 days onsite)

Are you a Software Engineer looking to work on cutting-edge AI technology within the automotive sector? This is an opportunity to join a fast-growing, innovation-led business building AI-driven products that are transforming how automotive partners engage with customers.

The Opportunity

You’ll play a key role in developing an AI-powered platform used by a network of automotive partners, including a rapidly evolving AI video solution. This product is already live and scaling quickly, with a strong roadmap of new features and enhancements.

Alongside this, you’ll contribute to a wider digital ecosystem that connects customer journeys end-to-end, as well as a major platform rebuild planned for 2025-giving you the chance to shape next-generation systems from the ground up.

What You’ll Be Doing

• Building and enhancing AI-driven features within a growing product suite
• Developing full-stack solutions using modern technologies
• Working across the full software development lifecycle (“build it, run it”)
• Collaborating with stakeholders to design scalable, user-focused solutions
• Contributing to system design, architecture, and best practices

Tech Stack

• Frontend: Vue.js, JavaScript, HTML, CSS
• Backend: .NET / C#
• Database: SQL Server
• Cloud & DevOps: AWS, Docker, CI/CD (GitHub Actions)

What We’re Looking For

• 3+ years’ experience in software engineering / web apps development
• 3+ years commercial experience working with C#, ASP.Net Core, Web API, SQL, JavaScript
• Strong grounding in modern development principles (OOP, SOLID, clean code)
• Experience building and maintaining scalable applications
• Comfortable working in a fast-paced, agile (Kanban) environment
• A proactive, self-starting mindset with strong communication skills

Why Join?

• Work on real-world AI applications in a growing automotive tech space
• Be part of a collaborative, forward-thinking engineering team
• Opportunity to shape a major platform rebuild from scratch
• Modern offices, free parking, and on-site gym access
• Personal trainer sessions every two weeks
• Clear progression opportunities within a stable, growing business

If you’re excited by AI, enjoy building impactful products, and want to be part of a team where your work genuinely makes a difference - apply now.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Swindon
50,000 - 60,000 DOE + Holidays + Pension + Progression + More
Excellent opportunity for a Systems Developer to join a well-established and growing civil engineering business, supporting and enhancing critical business systems that drive operational efficiency across the organisation.

This company has over 40 years of success delivering groundworks and civil engineering services, with a strong reputation for quality and innovation. Due to continued growth, they are now looking to expand their ICT function with an experienced and proactive Systems Developer.

In this role, you will work closely with management and key stakeholders to develop, maintain, and improve business systems. You will be involved in the full lifecycle of system development, from gathering requirements and designing solutions to implementation and user training. You will also act as a technical escalation point while driving continuous improvement across systems and processes.

The ideal candidate will have strong experience in Microsoft technologies, including Power Platform and .NET development. You will be confident working with stakeholders, delivering technical solutions, and supporting business-critical systems. A proactive mindset, strong organisation, and a passion for improving systems are essential. Experience with Power BI or legacy Microsoft technologies is a bonus.
The Role:

• Work closely with stakeholders to maintain and improve business systems
• Gather requirements and design technical solutions to business challenges
• Develop and implement solutions across a range of technologies
• Act as a technical escalation point for system-related issues
• Deliver training on new and updated systems
• Manage third-party providers for support and project delivery
• Maintain accurate system documentation and knowledge base
• Drive continuous improvement and stay up to date with new technologies
  The Person:
• Experience with Microsoft Power Platform (PowerApps, Power Automate, SharePoint)
• Strong development skills in C#, ASP.NET, and Entity Framework
• Experience working with SQL Server
• Proven ability to gather requirements and deliver technical solutions
• Strong stakeholder communication skills
• Organised and proactive with a continuous improvement mindset
• Desirable experience with VB.NET, VBA, or Power BI

Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.

The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.

We are an equal opportunities company and welcome applications from all suitable candidates.

Location: Hybrid 3/4 days p/w onsite West London
Must have right to work in the UK and located near West London
3 months contract (extension TBC)
Start ASAP (Immediate start / within 2 weeks notice)
Inside IR35 contract £425pd - (£538pd rate to umbrella) Equivalent Approx salary Pro rata £(Apply online only)k Seeking a Senior Web Application Developer (ecommerce) with Minimum 8 years of Web application development experience consisting of strong C#, ASP.NET MVC 5, and React. Strong knowledge of Object-Oriented Programming, SOLID principles, common design patterns and RESTful API design and integration (experience with SOAP WebServices and XML/XPat) also required. We are looking for a strong portfolio in bespoke eCommerce and enterprise web applications.
Other desirable skills include a mix of HTML5, CSS3, JavaScript, jQuery etc. This Snr Web Developer / C#, ASP.NET MVC 5 Developer will to play a key role in the next phase of web platform modernisation. Transitioning this international Travel/Holiday Ecommerce clients eCommerce platform and portfolio of marketing microsites into the ASP.NET MVC 5 framework and evolving toward a cloud-native architecture (Azure/AWS in the roadmap). This role will play a pivotal part in designing, building, and maintaining scalable, secure web applications that deliver complex solutions smoothly and seamlessly
across multiple platforms. Working closely with stakeholders, the developer will bring technical excellence, creative problem-solving, and a proactive approach to
continuous improvement. The successful candidate will demonstrate high standards, attention to detail, and a
forward-thinking mindset - helping shape coding best practices, modern coding
standards, and supporting our long-term journey toward a fully cloud-ready
environment. Experience, Skills and Qualifications Required
* Minimum 8 years of digital development experience with a strong portfolio in
bespoke eCommerce and enterprise web applications.
* Proven expertise on C#, ASP.NET MVC 5, SQL Server, Entity Framework, and React experience
desirable to have HTML5, CSS3, JavaScript, jQuery.
* Strong knowledge of Object-Oriented Programming, SOLID principles, and
common design patterns.
* Experienced in RESTful API design and integration; experience with SOAP
WebServices and XML/XPath.
* Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks
(NUnit, Moq, SpecFlow).
* Proficient with source control management tools and processes (Git, GitFlow,
SourceTree) and dependency management using NuGet.
* Experienced with CI/CD and DevOps pipelines using GitLab, Azure DevOps,
TeamCity, Cake, or Octopus.
* Working knowledge of Agile methodologies (Scrum/Kanban) and issue
tracking tools such as Jira.
* Proven track record of delivering features and projects to deadlines while
maintaining high standards of quality and reliability.
* Understanding of application and database performance tuning,
troubleshooting, and optimization techniques.
* Comfortable working in small, collaborative teams and taking initiative in
managing development tools, environments, and build processes.
* Familiarity with enterprise CMS platforms (e.g., SDL Tridion).
* Proactively stays current with emerging technologies, frameworks, and
development practices.
* Degree or equivalent qualification in Computer Science or a related technical
field. Areas of Responsibility
* Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and
React, bringing a talent for problem-solving and providing new perspectives
to enhance product quality and performance.
* Support the migration to new technologies, ensuring clean architecture,
scalable design, and efficient implementation delivered smoothly and
seamlessly.
* Deliver secure, maintainable, scalable, and fault-tolerant code following
SOLID principles, OO design patterns, and industry best practices.
* Contribute to front-end development using HTML5, CSS3, JavaScript, and
modern React components to maintain the web applications.
* Participate in architectural discussions and propose improvements that
enhance system performance, scalability, and maintainability.
* Collaborate with Digital Product, Technology, and Marketing teams to define,
estimate, and deliver features within sprint timelines.
* Participate in code reviews, mentoring team members and ensuring
consistency, maintainability, and adherence to standards.
* Advise and guide mid-level and junior developers on technical approaches,
best practices, and design decisions.
* Work independently and proactively manage source control, branching, and
deployments using GitLab or Azure pipelines.
* Log and troubleshoot errors across development, staging, and production
environments to maintain system stability and reliability.
* Integrate and maintain third-party services and APIs, ensuring robust and
seamless connectivity with external systems.
* Ensure smooth and stable release cycles across multiple websites and
environments.
* Proactively research and explore new technologies, frameworks, and
techniques to continuously improve platform quality and team capability.
Areas of Accountability
* Deliver high-quality, secure, and scalable code aligned with architectural
standards and sprint goals.
* Take ownership of assigned features, ensuring timely, smooth, and seamless
delivery.
* Maintain platform reliability by proactively identifying, logging, and resolving
issues across environments.
* The position has direct responsibility to the Application Development
Manager and is accountable to multiple stakeholders across Sales & Marketing. “At PCR Digital, we are committed to ensuring that diversity, equity and inclusion play a role at all stages of our recruitment - it is important to us that our own company culture and the culture of our network is as varied and supportive as possible. We love people (it’s why we do what we do), so, regardless of background, we welcome you to work with us or apply to any of our jobs if you feel that they are right for you.” We also aim to ensure that our entire process is accessible. Please make us aware of any adjustments you may need throughout the selection, interview and general process and we will do all we can to ensure that any barriers are removed for you

Senior Full-Stack Web Application Developer

Role: Senior Web Application Developer (Full-Stack)
Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile
Type: Contract, Daily Rate
Duration: 3+ Months
Location: London
Pay Rate: 450 - 525 per day (Inside IR35 - via Umbrella)
Start: ASAP/Urgent

Senior Web Application Developer (Full-Stack)

CPS Group UK are delighted to be working with a leading, globally recognized eCommerce brand to appoint a seasoned Senior Full-Stack Web Application Developer to play a key role in the migration of their eCommerce platform and microsites into ASP.NET MVC5 framework, along the roadmap towards a cloud-native architecture.

The Senior Web Application Developer will be responsible for designing, building, and maintaining scalable, secure web applications that deliver complex solutions seamlessly across multiple platforms.

high standards, attention to detail, and a forward-thinking mindset are required - helping shape coding best practices, modern coding standards, and supporting the journey toward a fully cloud-ready environment.

Role Requirements

Develop and maintain complex web solutions using ASP.NET MVC 5, C#, and React
Support migration activities, ensuring clean architecture, scalable design, and efficient implementation
Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns
Contribute to front-end development using HTML5, CSS3, JavaScript, and modern React components
Participate in architectural discussions and propose improvements
Participate in code reviews, mentoring team members and ensuring consistency and maintainability
Manage source control, branching, and deployments using GitLab or Azure pipelines
Integrate and maintain third-party services and APIs
Ensure smooth and stable release cycles across multiple websites and environments
Deliver high-quality, secure, and scalable code aligned with architectural standards

Required Skills & Experience

Extensive development experience with a strong track record in bespoke eCommerce and enterprise web applications projects
Proven expertise on C#, ASP.NET MVC 5, SQL Server, Entity Framework
HTML5, CSS3, JavaScript, jQuery, and React experience.
Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns.
Experience working with RESTful API design and integration; SOAP WebServices and XML/XPath
Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks
Experienced with CI/CD and DevOps pipelines (GitLab, Azure DevOps, TeamCity)
Proven experience working in Agile environments7
Understanding of application and database performance tuning, troubleshooting, and optimization techniques.
Familiarity with enterprise CMS platforms (e.g., SDL Tridion)

For more information or immediate consideration for this opportunity, please contact Charlie Grant at CPS Group UK on (phone number removed) or email (url removed)

By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed)

My client is seeking a talented C# Senior Softwar Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment.

This role is ideal for developers with strong technical expertise who are looking to grow into leadership or team management responsibilities.

Key Responsibilities

• Develop and maintain web portals using ASP.NET MVC / .NET Core
• Design and integrate REST APIs with internal and third-party services
• Implement secure authentication mechanisms (JWT, OAuth2, API Keys)
• Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations)
• Debug and trace request flows from UI Controller API Database Response
• Maintain and publish API documentation via Swagger / OpenAPI
• Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS)
• Collaborate with database, infrastructure, and QA teams for portal and API releases
• Participate in code reviews, version control, and CI/CD deployment workflows

Required Technical Skills

• C# (strong proficiency)
• ASP.NET MVC or .NET Core Web API
• MVC concepts: Routing, Controllers, Filters, Middleware, Model Binding, Dependency Injection
• Entity Framework Core (DbContext, DbSet, OnModelCreating, LINQ) and ADO.NET/Raw SQL experience
• MS SQL Server or MySQL database experience
• HTML5, CSS3, JavaScript
• REST API expertise and integration (HttpClient, RestSharp, JSON serialization/deserialization, CORS, HTTPS, API security)
• Git version control and CI/CD workflows (Azure DevOps, GitLab CI preferred)
• Hosting experience with IIS or Kestrel
• Docker basics (preferred but not mandatory)

Preferred/Bonus Skills

• Experience with fintech or payments API integration
• Cloud services (Azure, AWS) hosting basics
• Webhooks and event-based APIs
• Structured logging tools (Splunk, ELK, App Insights)
• Performance optimization and API rate-handling

Why Join My Client

• Be part of a pioneering fintech/secure banking technology company
• Opportunity to mentor and lead junior developers
• Work in a supportive, collaborative, and technically driven environment
• Gain experience in high-security, mission-critical software projects

Interested? Please Click Apply Now! C# Senior Software Developer

We are hiring a Full Stack Software Engineer with a strong test-driven development (TDD) background to help build the next generation of a mission-critical cybersecurity and communications platform used globally.

This is a hands-on role focused on designing and delivering partner API integrations across a complex security ecosystem - including endpoint protection, network security, user awareness tooling, and monitoring systems.

You ll work as part of a collaborative product team alongside full stack and front-end developers, supported by QA and DevOps, reporting into engineering leadership.

Why This Role Matters

The next-generation platform will provide customers with a unified view of security across distributed environments. As integrations expand, maintaining a high bar for quality, reliability, and test coverage is critical.

This role will also play a key part in strengthening TDD practices across the team - leading through code and delivery.

What You ll Do

• Design and build API integrations across a cybersecurity-focused product stack
• Deliver clean, maintainable full stack solutions using .NET and modern JavaScript frameworks
• Lead by example in test-driven development practices
• Integrate third-party systems using REST APIs, OAuth2, webhooks, and resilient patterns
• Contribute to a scalable, observable integration layer
• Collaborate with Product, QA, and DevOps to deliver high-quality releases
• Use AI-assisted development tools as part of your daily workflow

Requirements (Must Have)

• Experience with C# / .NET Core
• Strong experience with ASP.NET Core / Web API
• Modern JavaScript / TypeScript experience
• Experience with a component-based SPA framework (e.g. Vue, React, or Angular)
• Proven, hands-on test-driven development experience
• Strong experience integrating third-party APIs (REST, OAuth2, webhooks, retries, rate limiting)
• Solid SQL skills (e.g. MariaDB or MySQL)
• Experience with Git workflows (branching, pull requests, code reviews)
• Regular user of AI-assisted development tools (e.g. Claude Code, Cursor, Copilot or similar)
• Strong ownership mindset and commitment to quality

Nice to Have

• Commercial experience integrating AI APIs (e.g. Claude, Bedrock, OpenAI or similar)
• Experience with AWS (e.g. EC2, RDS, Lambda, S3)
• Microservices or distributed systems experience
• Familiarity with iterative product development methodologies
• Awareness of secure-by-design principles (e.g. ISO 27001)
• Background in SaaS or cybersecurity environments

Benefits

• Hybrid working
• Excellent career development / Training budget
• Flexible working

If you take pride in writing well-tested, production-grade code and want to contribute to building critical cybersecurity software used at global scale, we d love to hear from you.

Full Stack Engineer (TDD / C# / JavaScript)

Lead Developer - C# .NET / AWS / Angular - Hybrid - Nottingham - £60,000 - £70,000

The Role

An exciting and innovative software house is looking for a Lead Developer to join their growing technology team.

This is a true 50/50 role, combining hands-on engineering with people leadership. You’ll remain close to the codebase, designing and building modern applications, while also leading, mentoring, and developing a mature team of engineers.

You’ll play a key role in shaping technical direction, driving best practices, and ensuring high-quality, scalable solutions are delivered globally. Alongside dedicated time for out-and-out coding, you’ll take ownership of team performance, support career development, and maintain a strong engineering culture.

Key Responsibilities

• Hands-on development using C# .NET, Angular, AWS and NoSQL
• Lead and mentor a team of developers (1-to-1s, coaching, performance support, managerial admin)
• Drive engineering best practices, code quality, and delivery standards
• Support Agile delivery and continuous improvement
• Contribute to architectural decisions and system design

Requirements

• Strong experience with C# ASP.NET / .NET (9/10)
• AWS (Azure may be considered)
• TypeScript & Angular (18+)
• NoSQL databases
• Proven experience in a technical leadership in a lead developer role (or demonstratable experience leading others in a Senior position)
• Experience mentoring developers and conducting 1-to-1s
• Strong experience working in Agile environments

Desirable Skills

• Messaging systems (RabbitMQ / MassTransit)
• Experience with TDD / DDD principles
• Microservices architecture
• Maths or Physics background

The Company

The company is a leading software development firm creating nuanced solutions for the manufacturing sector. With ongoing investment in modernisation and cloud technologies, engineers are empowered to shape and drive technical delivery.

They have performed well throughout a turbulent economy, continuing a steady rate of growth and keeping the business moving forward. Tech is central to what they do so you will be given a range of tools and resources with full backing to go and determine what is the best development process on certain projects.

The salary for this role is between £60,000 - £70,000. This is a hybrid position offering 3 days WFH per week, alongside an excellent benefits package including a 5% matched pension scheme, life and critical illness cover, salary-sacrifice options, free parking, flexi time, plus 25 days holiday (increasing with service) plus bank holidays plus more.

Apply Now

If you’re a Lead Developer, or Senior Developer looking to step up, who enjoys balancing hands-on coding with team leadership and wants to play a key role in delivering complex systems, this is a fantastic opportunity.

Apply now and don’t miss out!

Lead Developer - C# .NET / AWS / Angular - Hybrid - Nottingham - £60,000 - £70,000

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.

Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems.

This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability.

You will primarily work within a C# .NET SQL Server ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications.

Key Responsibilities

Design, develop, and maintain high-performance applications in C# and .NET

Lead architectural discussions and contribute to technical direction

Build scalable, reliable systems to support automated trading and research

Develop and optimise database solutions (SQL Server or equivalent)

Improve performance, reliability, and automation across systems

Mentor junior developers and promote best engineering practices

Participate in code reviews and enforce high standards of quality

Collaborate closely with researchers and traders to translate requirements into robust software solutions

Contribute to continuous improvement of development processes and tooling

Required Skills & Experience

BSc (or higher) in Computer Science or a related scientific discipline

Strong recent experience with C# and the latest .NET platform

5+ years of professional software development experience

Solid experience with SQL Server, Oracle, or equivalent relational databases

Strong understanding of object-oriented design principles and software architecture

Experience building production-grade, scalable systems

Fluency in English with excellent written and verbal communication skills

High attention to detail and a thorough, analytical mindset

Desirable

Experience in multi-threaded and concurrent application development

Network programming experience (TCP/UDP)

Experience with distributed version control systems (Git)

Strong understanding of Windows technologies

Exposure to financial markets or trading systems

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

TPBN1_UKTJ

Full‑Stack Software Engineer (React & ASP.NET / C#) We're looking for a Full‑Stack Software Engineer to join a growing development team building modern, business‑critical web applications. This role suits someone who enjoys working across the full stack and takes pride in owning features from initial concept through to deployment. You'll be involved in both front‑end and back‑end development, working closely with other engineers, product owners, and stakeholders to deliver clean, scalable, and user‑focused solutions. What you'll be doing Designing and building front‑end web applications using React Developing and maintaining back‑end services and web applications using ASP.NET and C# Working across the full stack, contributing to both UI and API development Building and consuming RESTful APIs Writing clean, well‑structured, and maintainable code Collaborating with the wider team to refine requirements and technical solutions Troubleshooting issues, improving performance, and fixing bugs Supporting the ongoing improvement of development standards, tooling, and ways of working Taking ownership of features and delivering them end to end What we're looking for Strong commercial experience with React for front‑end development Solid back‑end experience using ASP.NET and C# Proven experience working in a full‑stack role (not purely front end or purely back end) Good understanding of modern web application architecture Experience building and working with APIs Comfortable working in a collaborative, agile environment Able to communicate clearly with both technical and non‑technical colleagues A pragmatic approach to problem‑solving and delivery Nice to have Experience working with cloud environments Exposure to CI/CD pipelines Knowledge of modern testing practices Experience working on scalable or high‑availability systems Why consider this role? Genuine full‑stack work with balanced exposure across front end and back end Opportunity to work on real, production systems rather than greenfield demos only A collaborative team environment with scope to influence technical decisions Room to grow technically and professionally as the team and systems evolveIf you enjoy building complete web solutions and want a role where you can see the direct impact of your work, this is a strong opportunity to develop your full‑stack skillset further. To find out more about Computer Futures please visit Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales