Top Software Engineer Jobs in London

As a Backend Software Engineer, you'll engage in full-cycle project development, enhance system performance and reliability, and collaborate with your team to improve observability features using various programming languages and technologies.

Lead the architecture and development of advanced software systems, mentor engineers, define standards, and ensure high reliability in software solutions.

The Software Engineer will design, build, and scale privacy features and infrastructure for OpenAI's products, ensuring user privacy through advanced technologies and collaborating with cross-functional teams.

Build and maintain APIs and systems for money movement, debug production issues, mentor engineers, and collaborate with stakeholders.

As a Senior Backend Software Engineer, you will develop and maintain the SaaS platform, focusing on user-centric design and implementation using a variety of technologies. Your role involves collaborating with teams to meet customer needs and enhance the product.

Join Optiver's London Autotrading team to develop and optimize software for high-frequency trading systems, ensuring rigorous performance and reliability in trading operations.

The Senior Software Engineer will build a fraud engine for the Receive Risk team, focusing on high-performance, low-latency systems and collaborating with various teams to deliver features while managing risk.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.

Lead Python Software Engineer responsible for developing solutions, collaborating on designs, mentoring team members, and enhancing engineering practices.

Develop and enhance dqlite, a distributed SQLite database, including debugging, implementing features, and engaging with the open source community.

The Software Engineer will build customer-facing products for healthcare, focusing on full-stack feature development and user experience, while engaging with customers and iterating on the product based on feedback.

Build backend features for restaurant partners, identify technical opportunities, own projects, collaborate with a team, and ensure service quality and performance.

We are looking for a Senior Fullstack Software Engineer to join our team, working on building and optimizing systems for electric car leasing.

Analyze and optimize ClickHouse database performance, develop performance tests, support engineering teams, collaborate with core teams, and engage with the open-source community.

As a Software Engineer, you will help train large-language models in code evaluation and training, focusing on Ruby, with an emphasis on code review and improvement.

Train large-language models to improve code quality by comparing snippets, providing feedback, and refining AI-generated code. Requires strong communication skills and attention to detail.

Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.

The Software Engineer will build and optimize data processing systems, improve data quality, and manage automated data pipelines for internal teams.

As a Backend Engineer, you will design, build, and maintain scalable backend services, collaborating with team members on new features and ensuring product quality.

Design and maintain microservices in a hybrid cloud environment, improve software reliability, and contribute to a collaborative developer community. Manage application lifecycle and support customer acquisition efforts through automation.

As a Backend Software Engineer at DeepL, you'll design, implement, and maintain microservices, ensuring reliability and automating processes while collaborating with the engineering team to improve customer acquisition flows.

As a Financial Software Engineer, you will design, architect, and build systems to enhance liquidity access for Capital Market clients, while leading projects and mentoring junior members.

As a Financial Software Engineer, you'll build and improve financial systems, ensuring access to liquidity and capital for clients, while engaging in client relations and technical tasks.