Power Platform Developer

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.

Prompt Engineer, Claude, LLM

£690 per day | Outside IR35 | Fully Remote | Contract

We’re looking for an experienced Prompt Engineer to support a major AI-enabled transformation programme.

Working closely with business stakeholders and technical teams, you’ll be responsible for translating requirements into high-quality prompts, instructions and AI workflows, ensuring AI outputs are accurate, consistent and aligned to business needs.

Key Responsibilities:

• Gather and analyse business requirements from key stakeholders.
• Translate business processes into effective prompts, instructions and AI workflows.
• Design, optimise and refine prompts to improve output quality and consistency.
• Test and evaluate AI responses, identifying opportunities for improvement.
• Apply best practice around LLM behaviour, guardrails and hallucination management.
• Collaborate with business and technical teams throughout delivery.

Required Experience:

• Strong experience with Claude and Claude Code.
• Proven background in prompt engineering, prompt design and optimisation.
• Excellent requirements gathering and stakeholder engagement skills.
• Ability to translate business needs into effective AI solutions.
• Strong understanding of LLM behaviour, guardrails and output quality management.
• Experience testing and refining prompts to improve accuracy and reliability.

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.

Lead/Principle Software Engineer

Clearance Required: Active SC Clearance (Mandatory)

The Opportunity

We’re looking for an experienced Software Engineer to join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers.

This role offers the opportunity to design and develop modern backend platforms and services that support some of the UK’s most complex and secure technology programmes. Working within Agile, cloud-native environments, you’ll leverage cutting-edge commercial and open-source technologies to build scalable, resilient, and high-performing systems across both public and private cloud infrastructure.

You’ll play a key role in the full software development lifecycle, from solution design through to deployment and operational support, while collaborating with multidisciplinary teams to deliver innovative solutions that make a real-world impact.

Please note: Active SC Clearance is an essential requirement for this position. Due to the nature of the work, candidates must already hold current and active SC Clearance. Unfortunately, sponsorship or clearance applications cannot be supported for this role.

Key Responsibilities

• Design, develop, deploy, and enhance backend platforms, applications, and services that support mission-critical programmes.
• Deliver secure, scalable, and maintainable software solutions that meet both functional and non-functional business requirements.
• Participate in Agile ceremonies, including sprint planning, story refinement, estimation, and retrospectives.
• Deliver incremental software releases and continuous improvements through modern Agile delivery practices.
• Collaborate closely with engineers, architects, and product stakeholders across cross-functional teams.
• Take ownership of the services and applications your team delivers, ensuring ongoing reliability, performance, and supportability.
• Build, maintain, and optimise Continuous Integration and Continuous Deployment (CI/CD) pipelines.
• Contribute to engineering standards, best practices, and quality assurance processes across the development lifecycle.
• Support knowledge sharing and foster a collaborative engineering culture.
• Assist in troubleshooting, root cause analysis, and resolution of production issues when required.

Skills & Experience

Essential

• 5+ years’ commercial software engineering experience delivering production-grade solutions within complex environments.
• Strong commercial experience developing applications using Java.
• Experience working with other JVM-based technologies such as Kotlin and/or Scala.
• Experience with messaging and event-streaming technologies such as Kafka.
• Strong experience integrating with backend services including PostgreSQL, Redis, and S3/Object Storage solutions.
• Deep understanding of microservices architecture, distributed systems, and modern software design patterns.
• Experience working with Big Data technologies and data-intensive applications.
• Experience operating within Agile DevSecOps environments.
• Knowledge and application of Zero Trust Architecture principles.
• Strong experience with CI/CD pipelines, automated deployments, and modern software delivery practices.
• Commitment to clean coding standards, code reviews, defensive programming, and high-quality technical documentation.
• Experience using source control and collaboration platforms including GitHub, GitLab, and the Atlassian Suite.
• Strong problem-solving skills with the ability to design and implement scalable technical solutions.

Desirable

• Experience working within AWS, Azure, or other cloud-native environments.
• Knowledge of containerisation and orchestration technologies such as Docker and Kubernetes.
• Experience supporting highly regulated industries such as Defence, National Security, Government, or Critical Infrastructure.
• Exposure to high-volume, real-time, or event-driven architectures.
• Relevant industry certifications across software engineering, cloud, or security disciplines.

What You’ll Bring

• Strong backend engineering expertise with a passion for developing secure, scalable, and reliable systems.
• The ability to lead technical discussions and influence engineering decisions across teams.
• A thorough understanding of modern software engineering principles and best practices.
• A proactive approach to ownership, taking responsibility for services from initial design through to production support.
• A collaborative mindset with the ability to work effectively across multidisciplinary teams.
• Excellent communication skills and a commitment to continuous learning and technical improvement.
• The ability to thrive in challenging and highly secure technical environments.

Testing & Quality

Essential Experience

• Strong advocate of Test-Driven Development (TDD) and quality-first engineering practices.
• Experience using modern testing frameworks and automated testing tools.
• Proven ability to build scalable, secure, maintainable, and well-tested software solutions.
• Commitment to continuous improvement, engineering excellence, and delivering robust code into production.

Security Clearance

Mandatory Requirement

Candidates must hold current and active SC (Security Check) Clearance at the time of application.

Applications from candidates who are eligible for clearance, willing to undergo clearance, or whose clearance has expired cannot be considered for this position.

This is an outstanding opportunity to work on some of the UK’s most complex and impactful technology programmes, developing secure cloud-native platforms and services that directly support critical national outcomes while working alongside highly skilled software engineers, architects, and technology specialists

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.

Role:
As a Full Stack Software Engineer, you’ll enjoy delivering mission critical solutions to National Security customers. This isn’t developing solutions that complete financial transactions faster, you’ll develop cutting edge product that protects people, platforms, missions and information against constantly changing threats.

You’re a Full Stack Software Engineer that enjoys developing novel products; leading, innovating and inventing by bringing the physical and digital together. It’ll involve consulting with customers, defining strategy and understanding how to apply emerging technologies

Roke is a leading technology & engineering company with clients spanning National Security, Defence and Intelligence. You will work alongside our customers to solve their complex and unique challenges.

As a Full Stack Software Developer, you will be responsible for

• Writing clean, secure code following a test-driven approach
• Create code that is open by default and easy for others to reuse
• Translate logical designs into physical designs
• Produce detailed designs
• Effectively document all work using required standards, methods and tools, including prototyping tools where appropriate
• Work with well understood and emerging technologies and identify appropriate patterns
• Integrating API / UI components with existing data stores and APIs
• Maintain and develop existing architectural components including Data Ingest, Data Stores and REST APIs
• Participate in sprint ceremonies with the agile team, attending daily stand-ups, epic decomposition, demos and planning sessions.
• Assist the wider team to understand upcoming API features and their impact on
• Collaborate with user researchers and can represent users internally
• Explain the difference between user needs and the desires of the user

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.

• Research. Dive deep into existing and emerging technologies. You will work alongside one or more of our teams to understand threats, evolve capabilities and innovate new solutions.
• Design, prototype, build and test. Challenge your creativity. Our customers have novel requirements. The tools you build will ultimately help protect lives and our National Security.

• Advise. You will act as a trusted advisor, in a position that demands integrity.

What You’ll Bring:

• You will apply your experience to mission-led programmes. You will have skills in a number of the areas below: 
  Software analysis and reverse engineering of compiled or interpreted code that could be obfuscated or defensively structured in various tools such as Ghidra or IDA pro.
• Linux-based operating system internals, security architecture and hardware abstraction.
• Use of virtualisation, emulation and containerisation for accelerated development, automated testing and DevOps.
• Use and deployment of AI-based systems for software development, analysis or Agentic solutions.
• Engineering software from design to delivery in modern IDEs and languages, using Agile delivery.
• Creating tested and testable code. Integrating with automated verification systems, CI and CD pipelines.

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.

Firmware Engineer
Location: Malvern
Type: Permanent
Salary: £50,000 – £90,000 (dependent on experience/SFIA level)
Clearance: Must hold or be eligible for MOD DV or eDV clearance (UK eyes only – sole UK nationality required)

The Company

A large consultancy working on some of the most technically demanding programmes in defence, nuclear and utilities. You’ll be solving real-world problems for the MOD and other critical national infrastructure clients, not sat on the bench. Strong track record of investing in people – structured training, clear progression routes, and a genuinely good culture rather than the usual lip service.

The Role

Join a growing firmware team working on a live research and proof-of-concept programme, with a strong likelihood of extending into a 2-year build if the initial phase lands well. You’ll be hands-on with embedded software and firmware, working closely with hardware and IT as the environment is stood up in Malvern.

What You’ll Be Doing

• Designing, developing and testing embedded firmware for [add specific platform/domain once confirmed]
• Working closely with hardware engineers as the lab/test environment is built out
• Supporting the research phase (first 6 months) with a view to proof of concept
• Collaborating with a small, focused team (2-3 firmware engineers on this programme)

What You’ll Need

• Strong embedded software/firmware experience (SFIA 3-6 – open on level, so both developing and senior engineers welcome to apply)
• Comfortable working in secure, regulated environments
• Must hold or be eligible to obtain MOD DV or eDV clearance
• Sole UK national (no dual nationality) due to the sensitivity of this work

Why Apply

• Work on a genuinely novel programme, not BAU maintenance
• Clear path from research into a longer-term 2-year build
• Strong progression framework and training budget
• Culture that backs its engineers rather than just talking about it

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.

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.