Full Stack Engineer
Addition Solutions Ltd
Liverpool, UK
3 months ago
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Role details
Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source
Tech stack
Application Programming Interfaces (APIs)
Artificial Intelligence
Amazon Web Services
User Authentication
Databases
Continuous Integration
Relational Databases
PostgreSQL
Systems Integration
ReactJS
Delivery Pipeline
Backend
+3 more
Front End Software Development
Api Design
Elixir
Job description
Join a specialist platform operating at the heart of telecoms, compliance, and secure business messaging. This is a senior, hands-on role where you’ll take real ownership of a product that underpins trust, validation, and risk decisioning at scale., * Owning the platform end-to-end, from architecture through to delivery
- Designing and building scalable backend services and APIs
- Enhancing and maintaining modern frontend applications
- Defining data models and implementing decisioning logic
- Improving system performance, reliability, and observability
- Driving automation across CI/CD, testing, and deployment workflows
- Collaborating with leadership to shape technical direction and roadmap
- Ensuring systems meet high standards for security, auditability, and compliance
Main Skills Needed
Requirements
- Strong background in building and running production-grade systems
- Solid backend engineering expertise and API design experience
- Good understanding of relational databases and data modelling
- Experience working in regulated or audit-heavy environments
- Full stack capability across frontend, backend, and database layers
- Knowledge of secure integrations, authentication, and access control
- Familiarity with workflow-driven systems and decisioning logic
- Ability to work across multiple technologies (e.g. Elixir, Node.js frameworks, React-based frontends, PostgreSQL, AWS)
- Experience or interest in AI-assisted development and code validation
What’s in It for You:
- Genuine ownership of a critical, high-impact platform
- Opportunity to influence architecture and technical direction
- Work on products supporting telecom operators and global partners
- Exposure to a unique blend of telecoms, cloud, and applied AI
- Small, agile team with fast decision-making and visible impact
- Remote-first working with flexibility and autonomy
- A culture built on clarity, accountability, and long-term thinking
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