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# Senior Software Engineer (Python / TypeScript / JavaScript)

- **Company:** Runa
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £12,000.0
- **Contract:** Temporary contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Cloud Computing, Code Reuse, Amazon DynamoDB, Python (Programming Language), PostgreSQL, Redis, Software Engineering, Software Systems, TypeScript, Web Services, AWS Lambda, Serverless Computing, Programming Languages, Microservices
- **Published:** July 29, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=a982fe561cf50f74

## About the Role

* Around 5+ years of Software Engineering experience architecting and developing new services and features from end to end.
 * The ability to take ownership of design and architecture of large scale systems and developing API heavy software solutions without the need for guidance.
 * A passion for promoting software engineering best practice, guiding and mentoring more junior engineers to deliver clean, scalable, and reusable code.
 * Proactively contributing to the continual improvement of our engineering processes

## Description

As a Senior Software Engineer, you will be responsible for architecting, implementing and deploying software services from end to end. You'll produce clean, scalable, and reusable code to build products which will have a big impact on our customers.

You will have the opportunity to work with a modern stack and serverless cloud infrastructure whilst guiding and mentoring more junior engineers in the team.

Our Tech

We have Python, TypeScript, and Javascript services running mostly on Lambda functions. We use Step Functions extensively to orchestrate our workflows. Our persistence layer is largely Aurora (Postgres), DynamoDB, MemoryDB (Redis), and Timestream.

However, we understand the dynamic nature of technology and recognize that skills in any programming language is a valuable asset, which is why we are open to engineers from any programming background.

What Excites You

 * Contributing towards the design, delivery and deployment of large scale, complex projects which are used heavily by thousands of people with high throughput.
 * Using modern technology like AWS serverless infrastructure and events driven microservice architecture
 * Mentoring more junior members of the team to help support their growth and development and help scale the team by leading on technical interviews.
 * Being a subject matter expert on technology and domain-specific problems, and taking ownership of software services from end to end.
 * Improving responsiveness and overall performance of our web services.


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