rmg digital
Contract TypeScript Engineer
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Contract TypeScript Engineer
Are you a senior engineer who thrives on turning intricate technical requirements into clean, resilient code? RMG is representing an established B2B SaaS business seeking a high-calibre Contract TypeScript Engineer to make an immediate impact on a core, business-critical platform.
Based in London on a hybrid arrangement, this full-time contract role places you at the heart of an active product engineering team. You will be responsible for architecting and shipping mission-critical features, strengthening backend services, and scaling modern SaaS systems to support sustained platform growth.
Key Responsibilities
- Design, develop, and maintain robust, scalable features using TypeScript across a modern multi-tenant SaaS platform.
- Build, integrate, and enhance backend services, microservices, and RESTful/GraphQL APIs.
- Translate product specifications into secure, high-availability technical architectures alongside cross-functional engineering teams.
- Improve system performance, refine data models, and manage database integrations across SQL and NoSQL stores.
- Maintain engineering excellence by implementing automated tests, participating in rigorous code reviews, and optimising CI/CD pipelines.
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Required Skills & Experience
- Deep commercial expertise in TypeScript and modern JavaScript (ES6+), with a strong command of static typing principles.
- Proven track record in server-side development using Node.js to deliver scalable backend services.
- Extensive experience building, supporting, and scaling core B2B SaaS platforms.
- Hands-on background in API design, microservices, and system architecture for high-availability environments.
- Practical knowledge of automated testing (such as Jest), continuous integration/continuous deployment (CI/CD), and Agile collaboration using Git.
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Nice-to-have
- Familiarity with enterprise Node.js frameworks such as NestJS.
- Experience with modern frontend frameworks, particularly React or Next.js, for full-stack integration.
- Commercial exposure to cloud platforms and deployment environments, specifically AWS or Azure.
What We Offer / Why Join
This contract offers the opportunity to tackle complex architectural challenges and deliver tangible technical improvements on an established B2B platform. You will collaborate with an engineering team that values code quality, pragmatic system design, and disciplined engineering practices, allowing you to focus on building high-grade software from day one. Please note that visa sponsorship is not available for this engagement.
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