Senior Software Engineer (Backend) in City of London
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Job Description
Senior Software Engineer (Backend)
Location: London (twice a week)
Company Type: Early-stage B2B SaaS / Intelligence Platform
About the Company
Our client is building a next- intelligence platform that helps organisations gain real-time visibility into external risks and signals across their ecosystem.
The platform aggregates and analyses large volumes of external data, transforming complex datasets into clear, actionable insights for teams across security, risk, procurement, finance, and resilience.
Following a successful seed round, the company is now expanding its engineering team as it prepares for its next growth phase and Series A.
The Role
We’re looking for a Senior Software Engineer with strong TypeScript, Python and Node.js experience to help design and build core backend services powering the platform.
This role has a heavy backend focus, working on APIs, distributed systems, and data pipelines that process large volumes of external signals.
What You’ll Work On
• Designing and building backend services using Node.js, Python and TypeScript
• Developing APIs and integrations with internal and external data sources
• Working on data ingestion pipelines and event-driven systems
• Writing clean, maintainable, and well-tested code
• Collaborating with engineers across backend, data, and frontend teams
• Contributing to system design and architectural discussions
Tech Stack
Backend: Node.js, TypeScript, Python
Data: PostgreSQL
Architecture: Microservices, Event-driven systems
Infrastructure: AWS (ECS, Lambda, RDS, S3), Terraform, CI/CD
Frontend (context): React, Next.js, TypeScript
What We’re Looking For
✔ 4–7+ years of backend engineering experience
✔ Strong experience with TypeScript, Node.js and Python
✔ Experience building production APIs and scalable backend services
✔ Strong communication skills and ability to explain technical thinking
✔ Passion for solving complex engineering problems
Nice to Have
➕ Experience with high-volume data pipelines
➕ Familiarity with AWS environments
➕ Startup or scale-up experience
If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
- Location:
- City Of London
- Job Type:
- FullTime
- Category:
- Engineer, Software Engineer, Senior, Engineering, Software