Senior Software Engineer, Backend Node.js

Deimos

Senior Backend Engineer building and maintaining APIs for high-traffic applications at Deimos. Collaborating across teams to implement backend services focusing on quality and performance.

Posted 5/20/2026full-timeRemote • 🇰🇪 KenyaSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerGraphQLJavaScriptKubernetesMySQLNode.jsPostgresRedisTypeScript

About the role

Key responsibilities & impact

Designing, building and maintaining the API infrastructure, services and systems that power high-traffic, consumer-facing applications for our clients.
Extensively collaborating with Product, Frontend, UX and other engineering stakeholders on requirements, their implementation, process improvements and domain analysis.
Implementing backend services that realise customer value, focussing on quality through testing, automation and code review.
Critically analysing the systems you work on to identify performance bottlenecks and opportunities for improved scalability, reliability and customer experience.
Writing and shipping code that is idiomatic, maintainable and efficient, and debugging and resolving production issues across services.
Recognising impediments to team efficiency (technical debt) and proposing and implementing improvements to standards, tooling and processes.

Requirements

What you’ll need

At least 5 years of professional experience building backend services for production systems.
Extensive, idiomatic Node.js experience, including building large, highly available APIs and services.
A strong understanding of the RESTful API paradigm (GraphQL and event-driven architectures are definitely a plus).
Strong working knowledge of JavaScript and/or TypeScript and the Node.js ecosystem (Express, NestJS, Fastify or equivalent).
Solid relational database experience, particularly with MySQL or PostgreSQL, including schema design, query optimisation and indexing.
Thorough understanding and extensive experience with automated testing (unit, integration and end-to-end).
Working knowledge of caching layers such as Redis, and familiarity with message and queueing systems.
Hands-on experience deploying and operating services on AWS and/or Google Cloud, including familiarity with containerisation (Docker, Kubernetes).
Good working knowledge of the use of Git.
Experience within an agile development environment.
A solid understanding of CI/CD concepts and automated release management for backend services.

Benefits

Comp & perks

Flexibility and the freedom to work remotely.
Work-life balance where you are not expected to work over weekends or after hours.
A forward thinking remote company that knows how important it is to stay connected as one team, by providing virtual social platforms for employee engagement.
A monthly work from home allowance which you can use to set yourself up to work comfortably from home.
A MacBook or Windows laptop for you to do your best work on.
Become part of a team of exceptionally clever and talented people who like to share their knowledge and learnings.
We support your career growth and love to celebrate your successes and advancement!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsRESTful APIJavaScriptTypeScriptMySQLPostgreSQLautomated testingGitCI/CDcontainerisation

Soft Skills

collaborationanalytical skillsproblem-solvingcommunicationprocess improvementteam efficiencydebuggingquality focus