Software Engineer Jobs in London

Work with Azure, AKS, Infrastructure as Code (IaC), and SaaS environments to shape and scale modern Azure infrastructure. The team focuses on complex, technically challenging systems.

A DevOps Engineer will manage Linux infrastructure, CI/CD pipelines, and automation tools, supporting a multi-strategy hedge fund's core trading platforms and engineering teams. The role focuses on platform resilience, scalability, and performance optimization.

Build and ship production ML models using modern frameworks (PyTorch preferred) to analyze single-cell multi-omics and functional assay data. You’ll work at a TechBio company using patient tissue data to drive disease understanding from cause to cure.

Build and improve the ML platform powering a proactive AI assistant, working with Python, Kubernetes, and cloud infrastructure. The product handles long-running workflows, multi-step reasoning, and external tool interactions for everyday tasks.

A data engineer will use Snowflake, SQL, Airflow, and AWS (S3, Lambda) to support a UK leading banking client with data warehousing and workflow management.

Design, build, and maintain data pipelines using Python, SQL, Spark, and AWS. You will join Aquent's client, a financial technology company, working against a critical engagement to ensure data integrity across international operations.

Work on large-scale data projects for a public-facing critical national infrastructure organisation. Modern data engineering practices and technologies are required; no specific tools are listed in the posting.

You will work with Java, AWS, JavaScript, React, and TypeScript as a hands-on Senior Software Engineer or Technical Lead. You will provide technical direction and lead engineers while designing and building solutions on AWS.

You will work with Python, Django, Flutter or React, PostgreSQL, and AWS on a Greenfield project for a client server that builds digital platforms.

You will own a full production system including a React/TypeScript web app, Postgres database, data pipelines, deployments, integrations, and an LLM serving stack. This role continues development of the company’s engineering platform with genuine full-stack breadth in one codebase.

You will work with React/TypeScript, Postgres, data pipelines, deployments, integrations, and an LLM serving stack. As the first full-stack engineer, you will own and develop the company’s MLOps platform end to end, including the web app, database, and production system.

Develop and own a full AI platform using React/TypeScript, Postgres, data pipelines, and an LLM serving stack. Build and manage the web app, database, deployments, and integrations end-to-end as the first engineering hire.

Use Java and C# to design and develop software solutions that support product and business objectives, working with Principal Engineers and Architects to define engineering best practices at Spyrosoft in a hybrid London role.

Build high-performance, real-time applications using Next.js, React, TypeScript, Web Components, AG Grid, and WebSockets or SignalR. The role involves developing complex, data-driven interfaces with real-time communication.

Work with PHP, JavaScript, HTML, CSS, Git, GitHub, Docker, and Linux to build secure, scalable production systems and integrate APIs. The role is at MedPal AI Plc, but no specific project or team scope is described in the listing.

You will work with Java, Spring Boot, JavaScript, Angular, relational databases and SQL, REST APIs, real-time systems, and CI/CD, alongside legacy Ruby. The role is in a startup or SME where you’ll take on a variety of full-stack development responsibilities.

You will work with C#, .NET, SQL Server, and Azure. You will architect, develop, and enhance in-house trading and research systems, working on greenfield projects that support real-world trading strategies.

You will work in an Agile team designing and implementing solutions for the Software Factory, supporting developers in design, code, and review. The client is BAE Systems, but the listing does not specify the team’s project or product. Team size is not stated.

You will work with a modern .NET tech stack in an AI-first engineering culture, delivering mission-critical, ISO 27001-certified software for UK Election campaigns. The company is a fast-growing Derry-based technology firm entering a period of significant growth.

Work with Java, C#, ReactJS, microservices, Kafka, Oracle, Couchbase, Prometheus, Grafana, CloudWatch, and CI/CD tools like Concourse. Focus on building and supporting APIs, event-driven systems, and observability pipelines. No specific product or team scope is described.

Build and maintain data pipelines and platforms using Python, SQL, and cloud services (AWS/GCP), often with Airflow and Spark. You will work on critical commercial and operational data platforms that process transactional, revenue, and user performance data to drive business decisions.

Work with modern development stacks and tools as part of a close-knit team building business-critical software for organizations across the UK at a growing Derry/Londonderry software company.

Senior GRC Engineer to own DORA, EU AI Act, NIS2, and UK PRA/FCA compliance at xAI. You will work with Compliance-as-Code tools like Vanta, AWS/GCP/Azure cloud, and CI/CD pipelines to automate control validation and evidence collection for the company’s AI and fintech products. This hands-on, individual-contributor role operates in a flat organization with no stated team size.

Work with React, TypeScript, Python/Node.js, Next.js, NoSQL/Relational databases, Docker, and cloud deployments. You will collaborate with public sector clients to build full-stack AI applications and custom LLM training data. Scale’s Global Public Sector team applies AI to critical government challenges.