Senior Full Stack Engineer (AI-Native B2B SaaS)

About the Product & Team

The core platform is live, with a roadmap focused on new AI-driven functionality and workflow

expansion.

Environment: This is a dynamic, changing environment where feature teams operate in parallel with platform and DevOps engineers who are addressing technical debtand CI/CD maturity.

Team Structure: You will work within a cross-functional team including a Head of AI & Technology, Lead Tech, and other Software and DevOps engineers.

AI-Native Culture: The team uses AI developer tooling (e.g. Copilot, Windsurf, LangChain) as a core part of daily engineering practice to improve velocity and code quality.

Responsibilities:

• Feature Delivery: Design, build, test, and release complex product features across the full stack. 
• Ownership: Own non-functional requirements such as performance, reliability, security, and observability for delivered areas.
• Cross-Team Coordination: Work closely with Platform and DevOps engineers to align feature delivery with infrastructure and CI/CD changes.
• Technical Leadership: Contribute to architectural discussions, set quality standards through code reviews, and mentor mid-level engineers.
• AI Enhancement: Actively use and help standardise AI developer tools to improve overall team effectiveness.

Requirements:

Technical Experience

• Backend: Python (FastAPI) and Node.js.
• Frontend: React and TypeScript. Data: PostgreSQL, API design, and schema evolution. 
• Cloud & Infra: AWS or GCP, Docker, Kubernetes, and Terraform.
•  CI/CD & Observability: GitHub Actions, monitoring, logging, and alerting. 
• AI: Practical experience integrating LLM APIs and using AI-assisted development tooling.

Business & Soft Skills:

• SaaS Experience: Proven experience delivering features in SaaS environments with live users. 
• Agile Delivery: Experience working closely with Product Managers and Designers in agile teams. 
• Judgement: Ability to make sound technical and delivery decisions under ambiguity. 
• Resilience: Effective and calm when priorities or foundations are changing.

Hardware & Compliance:

• Hardware: Laptop, access to environments, and tooling will be provided by the client.
• Pre-onboarding: Successful candidates must complete background and criminal checks (approx. 2 weeks before commencement).

Assessment Process:

Stage 1: CV and GitHub Review.

Stage 2: Screening Interview (30 mins).

Stage 3: Technical Interview (1 hour) including pair-programming.

Stage 4: Cultural alignment review (30 mins).

What We Offer:

• Full remote with flexible business hours;
• Three weeks of vacation per year (15 working days);
• Paid sick leave per year (5 working days);
• Amazing opportunities for professional growth within a top-notch team of professionals;
• Competitive compensation commensurate with your experience and skills;
• English lessons;
• Co-working compensation;
• An excellent team with a friendly atmosphere.