The Citation Group
Senior Software Engineer
Exeter
Posted about 16 hours ago
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Senior Software Engineer (.Net, Angular)
Location: Remote (must live within commuting distance of Exeter)
Salary: Competitive
About Us
We are Trust ID – a leading provider of identity verification solutions, enabling businesses to verify individuals quickly, securely, and reliably. Our services support key compliance requirements, including Right to Work, Right to Rent, Anti-Money Laundering (AML), Know Your Customer (KYC), and DBS checks.
Trust ID is part of the Citation Group - a collective of businesses dedicated to supporting small and medium-sized enterprises across a range of essential services. Our mission is to ease the pressures of running a business by providing expertise, guidance, and solutions that enable business leaders to focus on what they do best. From HR and Health & Safety to Cybersecurity, E-Learning, and ISO compliance, we’ve got you covered.
The Role
As a Senior Software Engineer at TrustID, you will:
- Own end-to-end delivery of complex features across the full stack — from.NET/C# services and database design through to Angular front-end implementation.
- Bring deep technical expertise and sound judgement to design and architecture decisions within your product area, not just implementation.
- Write high-quality, secure, well-tested code and set the standard others measure themselves against.
- Use AI/agentic coding assistants as a core part of your daily workflow, and actively help the wider team adopt them effectively.
- Mentor and influence engineers through pairing, code review, and technical guidance — raising the bar for the whole team.
- Partner closely with your Tech Lead and Engineering Manager on technical direction, estimation, and risk.
Key Responsibilities
Engineering & Delivery
- Design and build features end-to-end: C#/.NET services and APIs, database schema, and Angular front-end — with real ownership of quality across all three.
- Make sound architectural and design trade-offs within your product area; know when to raise decisions and when to just make the call.
- Write clean, testable, secure, production-grade code daily, across the stack.
- Break down complex, ambiguous work into shippable increments and deliver value continuously.
- Provide realistic, credible estimates; flag technical risks and dependencies early and clearly.
- Participate fully in agile ceremonies: planning, refinement, stand-ups, reviews, retros.
Code Quality & Engineering Practice
- Drive TDD/BDD and clean code principles (SOLID) as the default, both back-end and front-end.
- Own code review culture within your area: give (and expect) constructive, educational feedback that raises standards.
- Apply secure coding practices as second nature: OWASP fundamentals, dependency management, threat awareness.
- Build observability into everything you ship: logging, monitoring, meaningful alerting.
- Maintain and improve CI/CD pipelines; keep builds fast, reliable, and low-friction.
- Identify and refactor technical debt proactively — manage it as a first-class engineering concern, not an afterthought.
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AI and Agentic Coding Assistants
- Use AI coding assistants (Copilot, Cursor, Claude, etc.) daily and fluently: writing code, tests, documentation, debugging, and reviewing.
- Apply a disciplined generation → review → refinement workflow — treat AI output as a draft that earns its way into production.
- Actively teach effective prompting and verification techniques to other engineers.
- Ensure AI-generated code meets the same security and quality bar as anything else you ship — no exceptions.
- Spot and champion opportunities where AI/LLM capability could genuinely improve the product, not just personal output.
Technical Collaboration & Mentorship
- Pair with and mentor engineers across levels, including less experienced team members and apprentices.
- Bring a strong, well-reasoned point of view to technical discussions and design sessions.
- Contribute to onboarding and technical interviewing of new engineers.
- Escalate technical blockers and risks to your Tech Lead/Engineering Manager clearly and early.
Required Experience and Skills
Technical
- Significant senior-level engineering experience with a track record of owning complex, full-stack features end-to-end.
- Strong, hands-on expertise in C# and.NET (.NET Core / ASP.NET Core preferred).
- Angular experience is essential — you should be comfortable building and maintaining production Angular applications, not just consuming components someone else built.
- Solid understanding of relational databases (SQL Server or PostgreSQL): schema design, query performance, migrations, Entity Framework (or similar ORM).
- Genuine full-stack capability — confident moving between back-end services, front-end (Angular/TypeScript), and the database layer without needing hand-holding.
- Practical experience with cloud platforms (Azure preferred; AWS a plus) and containerisation (Docker; Kubernetes exposure a plus).
- Experience with CI/CD pipelines, automated testing, and infrastructure-as-code concepts.
- Strong security fundamentals: OWASP Top 10, secure coding practices, dependency hygiene.
- Experience designing scalable, maintainable architectures and evolving legacy systems without breaking them.
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AI and Engineering Practice
- Daily, fluent user of AI coding assistants with demonstrable productivity gains, not just occasional use.
- Experience helping others adopt AI tools effectively: what works, what doesn't, common pitfalls.
- Strong practitioner of TDD/BDD, clean code principles, SOLID design, comprehensive automated testing.
- Experienced in pair/mob programming and high-quality code review practices.
Behavioural
- Technical credibility: engineers seek out your judgement and trust your direction.
- Clear communicator: explains complex trade-offs to engineers, Product, and stakeholders with equal clarity.
- Pragmatic decision-maker: balances technical excellence with delivery reality and makes the call.
- Collaborative: works effectively with Product, Design, QA, other engineers, and Tech Leads.
- Ownership mentality: takes responsibility for outcomes, not just tasks.
- Continuous learner: stays current with technology, experiments, and shares knowledge generously.
Nice to Have
- B2B SaaS or identity/verification domain experience.
- Experience integrating AI/ML services or LLM APIs into production systems.
- Event-driven architecture, message queues, or reactive systems experience.
- Contributions to open source or active participation in technical communities.
Benefits
- 25 Days of Holiday + 8 Bank Holidays: We’re talking sun-soaked beaches, snow-capped mountains, or simply your favourite cozy spot at home. Take your well-deserved break with 25 days of holiday, plus those cherished bank holidays.
- Birthday Bliss: Your birthday isn’t just another day on the calendar; it’s YOUR day! Enjoy it in style with a day off, because at Citation, we believe in celebrating YOU.
- Post-Wedding Bliss: Newlyweds, we’ve got something special for you too! Extra one week of holiday to bask in the glow of post-wedding happiness.
- Growing Families: We’re all about supporting our Citation family, and that includes expectant parents. Vouchers and special perks await to celebrate the newest addition to your family.
- Healthcare cash plan: Your well-being is our priority. That’s why we offer private healthcare to ensure your peace of mind and keep you feeling your best.
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Skills
C#
.NET
Angular
SQL Server
PostgreSQL
Cloud Platforms
Docker
Kubernetes
CI/CD
Automated Testing
TDD
BDD
Secure Coding
AI Coding Assistants
Code Review
Agile
Location