Top Software Engineer Jobs in London

Design, build, and maintain scalable data ingestion and ELT pipelines on cloud platforms (AWS, Snowflake). Implement dbt transformations, ensure data quality and monitoring, develop APIs and internal services, apply CI/CD and infra-as-code practices, integrate AI/automation, and mentor junior engineers while collaborating with product and analytics teams.

Lead design, development, and deployment of scalable, AI-driven backend features for the Alli platform. Architect microservices and APIs, mentor engineers, run code reviews, and collaborate with product, design, and cross-functional teams to deliver production-ready solutions using cloud, containerization, and AI technologies.

Join the Data Engineering team to develop a scalable data platform, focusing on distributed systems, big data processing, and robust service delivery.

The Software Engineer will work on building and designing trading software, focusing on new products and market opportunities while ensuring code quality and technical excellence.

Lead complex engineering projects, mentor team members, and develop scalable systems for international markets while advocating for best coding practices.

As a Software Engineer at Encord, you will build and improve AI data workflows, collaborate with teams, and enhance data quality.

As a Software Engineer, you will design, build, and improve backend services and APIs, taking ownership of features and collaborating in product engineering. Responsibilities include working with modern AI tools, cloud development, and contributing to technical design and code quality in a collaborative team environment.

Seeking a mid-level Full Stack Software Engineer to build a platform for clinical trials, collaborating on product features and gaining an understanding of the healthcare industry.

As a Full-Stack Software Engineer, you'll design, build, and maintain scalable solutions, enhance platform capabilities for regional needs, and manage backend services and APIs in a SaaS environment, focusing on complex integrations and customer workflows.

As a Forward Deployed Software Engineer, you will work with customers to implement AI solutions, guide product direction, and ensure successful technology adoption.

Join the Research Technology team to design and build software for the HPC cluster, develop scalable solutions, and mentor junior members while addressing complex challenges.

Design and build systems for detecting and responding to harm on OpenAI's platforms, collaborating with various teams to enhance safety and integrity.

Develop and maintain enterprise-grade C#/.NET services and shared platform capabilities (APIs, streaming, connectivity, AI services). Collaborate with product, architects, and engineers, improve CI/CD/DevOps, ensure secure, observable, high-availability solutions, and support production troubleshooting.

As an Entry Level Software Developer, you will assist in developing mobile or web applications, participate in code reviews, and research new technologies.

Design and implement scalable search capabilities, collaborate with teams, manage indexing, and ensure performance for internal and customer systems.

As a Backend Engineer, you'll develop scalable systems, APIs, and architectures supporting AI products. Collaborate cross-functionally and deliver high-performance solutions.

Design, implement, and improve features for Percona Server and related products. Diagnose defects, contribute to community solutions, and mentor team members.

The Senior Software Engineer will enhance the Acquiring Platform by designing and implementing payment methods, APIs, and managing stakeholder relationships. Responsibilities include building scalable infrastructure for merchant payment systems and optimizing distributed architectures.

Join a specialist Actuarial Software Development team as a full-stack developer, creating high-quality software solutions and product enhancements while managing IT controls and server management.

As a Senior Full Stack Software Engineer at Entrust, you will develop, maintain, and enhance systems for secure identity verification, focusing on both frontend and backend technologies. This role emphasizes collaboration across teams and ensures high-quality product delivery while adhering to privacy and security standards.

As a Software Engineering intern, work on real-world projects with mentors, learning how to use OCaml and engage in problem-solving in finance-related projects.

As a Software Engineer, you'll design and manage GPU/TPU infrastructure targeting AI/ML workloads, collaborating across teams to optimize performance and ensure reliability of machine learning systems.

You will contribute to the inference platform, maintain APIs, support users, improve CI/CD, and ensure platform reliability.

As a DTN Software Engineer, you will develop and maintain DTN products, work on distributed systems, and collaborate with other engineers to innovate communication solutions.

The role involves building and scaling data infrastructure for multimodal AI systems, developing high-throughput data pipelines, and collaborating with ML researchers and product teams to enhance data systems.