Principal PythonEngineer London | Permanent | Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed systems, with the opportunity to build scalable tools and frameworks … used across the business. What youll do: Design, develop, and maintain performant, reliable frameworks and services in Python Build productivity tools and platforms that streamline workflows across investment and technology teams Contribute to code reviews and best practices, improving overall development quality Work across distributed systems, containers, and automation pipelines to deliver scalable solutions What were looking for: 6+ … years professional software development experience Strong proficiency in high-performance Python (deep ecosystem knowledge and best practices) Experience with at least one JVM language (Java, Kotlin, Scala) is an advantage Background in distributed systems and large-scale compute frameworks Familiarity with Docker, Kubernetes, Linux environments, and CI/CD automation This role offers the chance to work on complex More ❯
East London, London, United Kingdom Hybrid / WFH Options
Wilson Brown
Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity … Location : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the backend … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯
East London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting
Innovative AI Start-up now requires a Pythonengineer to build innovative data solutions which power smarter and more relevant customer experiences. You will develop and design data pipelines, data models, backend APIs and an array of customer facing data services. The role: Own and improve our client’s data infrastructure ensuring reliable and scalable services. Write and … to deliver high impact work at pace. Design and develop dashboards to deliver insights. Shape the direction of our clients architecture, scalability and security. Key Requirements: Strong hands-on Python experience with a solid understanding of modern data tools. Extensive experience working with both SQL and NoSQL databases. Exposure to cloud services, infrastructure as code and CI/CD More ❯
South East London, London, United Kingdom Hybrid / WFH Options
Stepstone UK
At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair More ❯
East London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
I am working with an exciting AI startup who are turning complex video into searchable insights - they're looking for a Software Engineer to work on the backend. You’ll design scalable systems, build APIs, and deploy AI models—turning cutting-edge research into a production-ready platform. Remote : UK Salary : Up to £50k + 1% Equity What You … pipelines and observability tools Collaborate with AI researchers to integrate models into production Take a product-first approach to engineering What You’ll Need 2-4 years experience with Python (FastAPI/Flask) Experience with distributed systems and cloud platforms Proficiency in database design (e.g. PostgreSQL) Familiarity with Docker, IaC tools (Terraform), and monitoring stacks Start-up mindset Bonus More ❯