Senior Full Stack Engineer
About us
Connectd empowers organisations and individuals to transition into and succeed in the future of work
we ranked 43rd in Sifted100’s fastest growing start-ups in Europe, growing over 190% CAGR over the last 2 years; #6 in LinkedIn’s top 100 start-ups of 2024, and Barclays’ Scale-up of the Year finalist for 2025
Grown from $0 to $11m ARR in <4 years, now driving to $50m ARR over next 3 years
Already established in the UK & US - headquartered in London, but with >30% revenue coming from US - also offices in Manchester, Mumbai, Mexico City & Poland
Responsibilities:
Design, develop, and maintain scalable web applications across the full stack
Build and optimize responsive, high-performance user interfaces
Develop and maintain backend services and APIs that power our platform
Collaborate with business stakeholders, product and design to rapidly build, test, and iterate on features within our existing platform
Debug production issues across our systems, ensuring reliability and performance
Advocate for best practices in code quality, testing, and maintainability
Work independently and collaboratively to solve complex technical challenges
Must have skills and experience:
4+ years of experience building and shipping full-stack web applications.
Proficiency in React and Typescript
Experience designing and working with GraphQL, RESTful APIs and databases (SQL and NoSQL)
Strong understanding of modern frontend development, including TypeScript, React, event-driven architecture and modern tooling
Experience with cloud platforms (we run on AWS) and deployment best practices, including CI/CD pipelines
Strong problem-solving skills and the ability to work autonomously in a fast-paced environment
Bonus if you have:
Built agent-based AI features inside Node.js App
Managed cloud environments and deployments using Terraform
Worked with Domain-Driven Design and CQRS
Experience with building LLM-powered production systems
Why join us?
equity package in fast-growing startup
flexible paid time off
flat structure with real influence on company operations
fast-paced, delivery focused team
Senior Full Stack Engineer
Senior Full Stack Engineer