Top Software Engineer Jobs in London

As a Senior Product Engineer at Wise, you will design and implement scalable microservices, collaborate on partner integrations, and mentor junior engineers. Responsibilities include building robust solutions using Java, Spring Boot, Kafka, and PostgreSQL in a collaborative environment.

You will develop applications providing market data for trading decisions, support financial models, ensure system reliability, and collaborate with users for feature delivery.

Join CrowdStrike as a Senior Software Engineer to lead the development of innovative endpoint security solutions across multiple platforms, focusing on the sensor's kernel-level functionality and system performance.

As a Software Engineer II, you'll design and deliver scalable features for the Flex platform, collaborating with data scientists and backend engineers while maintaining high-quality, well-tested code.

As a Full Stack Python Developer, design and maintain Python solutions, develop APIs, collaborate across teams, and support CI/CD practices within the Engine Room platform.

As a Software Engineer, you will help train large language models by ranking and repairing code, ensuring correctness and efficiency while providing feedback to enhance training processes.

The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.

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.

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

The Risk Software Developer will enhance Marex's Risk Engines and integrate applications while collaborating with teams to improve business processes and reporting. Key responsibilities include coding, documentation, quality assurance, and stakeholder communication in a fast-paced environment.

As a Software Engineer II at The Trade Desk, you'll design and build software, manage the full development lifecycle, and ensure high-quality product releases while mentoring others and collaborating across teams.

The candidate will design and develop Windows applications for SDK integration and delivery, collaborating with cross-functional teams, and ensuring code quality through various practices.

Lead backend engineering efforts for cloud security systems, architecting detection systems and collaborating across teams to improve cybersecurity capabilities.

As a Backend Engineer, you will develop high-performance backend systems and APIs, design scalable architectures, and collaborate cross-functionally to deliver features for our Cloud solutions.

As a Fullstack Engineer at Mistral AI, you will develop user-centric features for the Mistral Cloud platform, ensuring high code quality and collaborating with cross-functional teams.

Develop and deploy AI-powered applications, collaborate with data scientists, drive improvements, and mentor team members in a full-stack environment.

As a Senior Software Engineer, you will design and optimize business logic for real-time ad serving, collaborating with Product to enhance ad delivery and performance.

As a Senior Software Engineer, you will develop real-time advertising functionalities, optimize business logic in Lua, and ensure high performance in ad serving systems.

The Senior Software Engineer will develop and maintain Lua business logic for ad serving, ensuring performance and reliability while collaborating with product teams on feature delivery.

The Senior Software Engineer will enhance egress connectivity in Cloudflare's network services, collaborate across teams, and support system health and operations.

As a Rust Software Engineer, you will design, deliver, and maintain production features, collaborating directly with users and working on live trading systems.

As a Senior Rust Software Engineer, you will take ownership of complex systems, engage with stakeholders, and build live trading infrastructure while following TDD principles and automation practices.

The role involves building customer-facing websites and funnels, running experiments and analytics to support growth in the US market.

As a Software Engineer, you will scale the Frontier Decision Intelligence platform, build APIs, and collaborate with cross-functional teams to solve complex technical challenges.

Design and implement software solutions for government clients, ensuring high quality and adherence to coding standards while collaborating with cross-functional teams.