Job Specifications
Software Engineer (Full Stack Developer, DV Eligible)
Location: London, UK (Hybrid – remote and client site as required)
Employment Type: Full-time, Permanent
Salary: £45,000 – £65,000 (depending on experience)
About the Opportunity
Sanderson is partnering with an emerging workflow and AI orchestration consultancy working at the forefront of public-sector modernisation. This fast-growing company delivers secure, cloud-native software solutions that transform how government and national security organisations manage data, automate processes, and deliver critical services.
They’re now looking for Full Stack Developers (from early-career engineers to experienced senior developers) to join their expanding delivery team. You’ll play a hands-on role in designing and building scalable, event-driven applications, contributing to architecture decisions, and shaping both the technical direction and culture of a rapidly scaling consultancy.
If you’re a software engineer who loves to code, but also values collaboration, creativity, and the opportunity to help shape a company from the ground up - this is the role for you.
Key Responsibilities
Design, develop, and maintain full-stack applications using Java Spring Boot and React
Build microservice-based systems with a strong focus on scalability and resilience
Work with modern technologies including Kubernetes, AWS, and Azure
Contribute to workflow and orchestration solutions using Camunda and BPMN
Design and optimise data structures and queries in PostgreSQL and MongoDB
Collaborate closely with business consultants, product owners, and architects to translate complex requirements into elegant, secure software solutions
Support the implementation of DevOps and CI/CD practices to improve automation and delivery
Engage with clients and internal teams - applying strong communication and consulting skills to influence outcomes and share expertise
Help grow the engineering culture: mentor others, contribute ideas, and lead by example in a collaborative, low-ego environment
Essential Skills & Experience
Strong experience with Java (Spring Boot) and React
Familiarity with containerisation and orchestration (Docker, Kubernetes)
Understanding of microservice architecture and domain-driven design
Experience with SQL and NoSQL databases (PostgreSQL, MongoDB)
Knowledge of cloud platforms, ideally AWS and/or Azure
Strong communication and collaboration skills - comfortable engaging with both technical and non-technical stakeholders
Motivated, adaptable, and proactive mindset with an enthusiasm for working in a dynamic start-up environment
Desirable Skills
Experience with Camunda and BPMN modelling
Exposure to CI/CD pipelines, infrastructure-as-code, and DevOps automation
Experience working in or delivering to public-sector or secure environments
Understanding of agentic AI, workflow automation, or process optimisation
Existing SC or DV clearance (or eligible to undergo vetting)
Security Clearance Requirements
Due to the nature of the work, candidates must be eligible for national security clearance (DV).
To meet this requirement, applicants must:
Be sole British citizens (dual nationality not permitted)
Have not spent more than 30 consecutive days outside the UK in the past 10 years
Have no criminal record
Have no significant financial irregularities (e.g. bankruptcy or unresolved debts)
Unfortunately, candidates who do not meet these criteria cannot be considered for this position.
Why You’ll Love Working Here
Skin in the game: Employee option scheme giving you a real stake in the company you’re helping build
Flexibility that’s real: Design your working pattern around life - and client needs when they arise
Outputs over optics: Focus on results, not time online
Work shoulder-to-shoulder with founders: Learn from experienced practitioners in a nurturing, hands-on environment
You decide: Shape the culture, services, and ways of working as the company grows
Autonomy by default: Own problems end-to-end, make decisions, and ship meaningful work
Meaningful missions: Tackle high-impact public-sector challenges that improve services millions rely on
Human > corporate: Sociable, low-ego, dynamic environment without big-firm bureaucracy
Professional development: Sponsored Camunda certification and ongoing training to support your growth
About the Company
Sanderson Government & Defence was established over 20 years ago as a bespoke solution to a unique talent problem: sourcing and placing high-calibre professional talent to work within the UK government and defence sector.
MISSION
We provide talent solutions for the UK government and their critical supply chains, including: Ministry of Defence and areas of National Security; Central Government and Arm’s Length Bodies; National Policing and Justice; and the broader Public Sector.
EXPERTISE & SKILL
Central to our success has b...
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