You will play a key role in designing, developing, and supporting high-performance software solutions within secure and mission-critical environments. You’ll work closely with multidisciplinary teams to deliver reliable, scalable, and maintainable systems that meet demanding operational requirements. This role will involve contributing across the full development lifecycle, from early design and implementation through to deployment and long-term support, using modern cloud-native and DevOps practices.

Key Responsibilities

• Design, develop, test, and maintain secure, high-performance backend services using modern programming languages.

• Write clean, efficient, and maintainable code with a strong focus on reliability, performance, and security.

• Translate solution architectures and business requirements into detailed technical designs and implementations.

• Build, deploy, and manage containerised applications on Kubernetes using Helm and continuous deployment tools.

• Support Agile delivery by contributing to sprint planning, backlog refinement, and user story development.

• Produce clear, accurate, and high-quality technical documentation in line with agreed standards.

• Participate actively in Agile ceremonies, including stand-ups, planning sessions, reviews, and retrospectives.

• Monitor live systems, investigate performance or reliability issues, and implement fixes and enhancements.

• Collaborate with DevOps and platform teams to improve automation, testing, and deployment pipelines.

• Contribute to prototyping, experimentation, and the development of innovative technical solutions.

• Ensure compliance with organisational processes, quality standards, and security requirements.

• Support continuous improvement through code reviews, knowledge sharing, and adoption of new technologies.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

GPU Software Engineer

£550/day Inside IR-35

Portsmouth – 3 days per week on site

Initial 4 month contract

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Full-Stack Developer

Various levels from £550-£675/day Inside IR-35

Remote (possible occasional travel to Bristol)

Active SC mandatory

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

2-5 years development experience, systems administration experience for J2EE applications, JBoss, Jenkins, Ansible, Git, Agile Scrum Experience. Technologies: Java, Spring Framework, Web Services, JMS, MDB, Junit, JIRA

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Sanderson are working with a growing SaaS organisation that is continuing to invest in its core platform and engineering capability. With a strong product focus and a collaborative culture, this is an opportunity to join a team where ideas are encouraged, quality engineering is valued, and developers have genuine input into technical decisions.

As a Software Developer, you’ll contribute to the design, development, and enhancement of a cloud-based platform used by organisations to support learning, compliance, and performance management. You’ll work across the full development lifecycle, building secure, scalable, and maintainable solutions that deliver real value to end users.

Responsibilities:

• Design, build, and maintain clean, high quality code across backend systems and APIs
• Develop and enhance platform features, ensuring performance, scalability, and security
• Participate in requirements analysis and contribute to solution design discussions
• Apply modern engineering standards including testing, documentation, and secure development practices
• Collaborate with Developers, Product stakeholders, and internal teams to deliver high quality releases
• Support deployment, troubleshooting, and continuous improvement of existing systems
• Contribute to a positive, team oriented engineering culture

Skills & Experience:

• Strong experience with .NET and C#
• Experience with ASP.NET and SQL Server
• Experience building or consuming REST APIs
• Understanding of Agile methodologies
• A collaborative mindset with strong communication and problem solving skills

This is a full-time, permanent role offering a salary up to £50,000 (DOE) and a hybrid working model.

Please Note: You must be a UK resident to apply for this role.

Apply now or email [email protected] for more details.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Strong foundation in software development with C# and TypeScript.
– Experience with AI/LLM concepts (e.g., prompt engineering, RAG).
– Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations.
– Focus on Clean Architecture and Clean Code principles.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Sanderson are working with a growing, technology-led SaaS organisation that is investing heavily in secure, scalable platforms that support thousands of users globally. As part of their continued product evolution, they are looking for a Mid-Level .NET Engineer with strong experience in Identity & Access Management (IAM) and modern authentication standards.

You’ll join an Agile development team working on authentication and user identity services that underpin core platform functionality. Security is a key priority for this organisation, and they are looking for someone who is genuinely passionate about building secure, robust, and scalable systems.

Key Responsibilities

• Design, develop, and maintain authentication and authorisation services using .NET
• Write clean, scalable C# code following secure software engineering principles
• Implement and support modern authentication protocols across the platform
• Collaborate with engineers and architects to design secure system architecture
• Contribute to improving system security, resilience, and performance
• Test, deploy, refactor, and optimise applications across the SDLC
• Act as a subject matter contributor within IAM and authentication services

Skills & Experience

• Proven experience as a .NET / C# Engineer
• Strong hands-on experience with .NET and ASP.NET
• Solid understanding of OAuth 2.0, OpenID Connect, and JWT
• Strong interest in security and secure-by-design engineering practices
• Experience building and consuming RESTful APIs
• Familiarity with Agile methodologies
• Strong troubleshooting and communication skills

This is a full-time, permanent opportunity offering a salary up to £50,000 (DOE), with hybrid working.

If you’re a .NET Engineer looking to deepen your expertise in authentication, OAuth, OpenID Connect, and secure identity services, this is a strong opportunity to develop your career within a collaborative and forward-thinking technology environment.

Please Note: You must be a UK resident to apply.

Apply now or contact [email protected] for more details.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Sanderson are working with a leading financial services organisation that puts customers at the centre of its business. The company is going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms.

As a Software Engineering Manager, you will play a pivotal role in leading a cross-functional product engineering squad focused on delivering outstanding digital experiences. You will help evolve the existing ecosystem while driving the development of advanced personalisation services that enable seamless, data-driven client journeys across devices and channels.

This is an opportunity to genuinely make your mark within a highly digital, innovation-focused environment.

Key Responsibilities:

• Lead and inspire a software engineering squad to consistently deliver high-quality software, balancing delivery with innovation.
• Foster a culture of technical excellence, continuous improvement, and psychological safety within your team.
• Recruit, develop, and retain top engineering talent, providing coaching, mentorship, and structured career development.
• Collaborate with Product Managers and senior stakeholders to ensure engineering outcomes align with business and client priorities.
• Champion agile delivery, DevOps, secure practices, and team ways of working to maintain high standards across the squad.
• Maintain ownership of services delivered by the team, ensuring reliability, supportability, and continuous improvement

Skills & Experience:

• Proven experience leading software engineering teams within complex organisations
• Strong hands-on technical background in Node, React, and AWS-based architectures
• Experience delivering modern full-stack applications using TypeScript and cloud-native services
• Strong communicator, capable of articulating complex architectural concepts to both technical and non-technical stakeholders
• People-first leadership style with a focus on inclusion, development, and building high-performing teams
• Comfortable managing ambiguity and driving clarity through collaboration

This is a full-time, permanent role offering a starting salary up to £95,000 (DOE) and a remote-first working model.

Please Note: You must be a UK resident to apply for this role.

Apply now or email [email protected] for more details.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.