Top Software Engineer Jobs in London

As a Software Engineer in Test at Xiatech, you will lead the way to automate all aspects of testing and quality assurance for our Xfuze Hyper-Integration and Advanced Analytics Data Platforms as part of a cross-functional squad.

Backend engineer role at SmartRecruiters working on SmartPal, an advanced conversational AI for the recruiting industry. Responsibilities include full product lifecycle participation, designing and developing services, building APIs, and bringing product ideas to life. Must have experience with Python, AWS, Docker, Kubernetes, MongoDB, and RESTful APIs.

Principal Software Engineer role at UNiDAYS focusing on building innovative solutions for mobile apps. Responsibilities include delivering impactful features, mentoring other engineers, providing technical feedback, and championing user-centric solutions. Preferred experience in modern mobile technologies, app performance optimization, UI/UX design, architectural design, and test automation.

A Principal Software Engineer role at UNiDAYS focused on building innovative solutions for mobile apps using KMM, SwiftUI, and Jetpack Compose. Responsibilities include delivering impactful features, mentoring engineers, and championing user-centric solutions. Requires expertise in modern mobile technologies, app performance optimization, UI/UX principles, and architectural design.

Lead Software Engineer at JPMorgan Chase within the Payments Technology group, responsible for developing secure high-quality production code and leading evaluation sessions with internal teams to drive outcomes-oriented probing of architectural designs.

Opportunity for a Software Engineer at Canonical in the Commercial Systems unit, responsible for security, distributed systems, internal operations, and Salesforce. Tasks include coding in Go or Python, collaborating on technical designs, deploying and operating services, and improving engineering practices. Requires a Bachelor's degree in Computer Science, experience with high-level languages like Go or Python, building distributed systems and APIs, and excellent communication skills. Remote role based in the EMEA region with occasional travel.

As an Azure B2C Software Engineer, responsible for developing and maintaining consumer-facing Azure B2C applications, integrating Azure services, enhancing user experience, ensuring security and compliance, documenting system configurations, and collaborating with internal teams.

Join Aztec as a Software Engineer focusing on cryptography in the development of a first-of-its-kind Layer 2 with private smart contracts. Responsibilities include designing efficient solutions, implementing and optimizing cryptographic libraries, and collaborating with the engineering team. Requires a Bachelor's degree, 3+ years of Rust engineering experience, and 1+ year of cryptography engineering experience.

Looking for an experienced and versatile software engineer with expertise in Rust, C++, Go, and Python. Must have experience in designing reliable and horizontally scalable distributed systems and API design. Knowledge of TypeScript, React, Angular, gRPC, Kubernetes, JAX, CUDA, MLIR, Triton, and XLA is a plus.

Support and develop services handling cryptocurrency custody workflows, regulatory integration, and problem-solving for clients and stakeholders. Work on major product changes to improve client experience with cryptocurrency interactions. Be part of a small self-sufficient team in a company focused on digital asset technology solutions.

As a Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, you will engage with business stakeholders, lead technical meetings, deliver cutting-edge solutions, design and implement solutions in Java, and support products through their life cycle. Required qualifications include formal training in Java, experience in architecting distributed systems, building RESTful APIs, working with Cloud platforms, teaching and coaching capabilities, adaptability to new technologies, long-term vision, and high standards for performance.

Lead DevOps Engineer at JPMorgan Chase responsible for managing technical infrastructure, advocating good practices, and collaborating with engineering teams. Requires expertise in Kubernetes, cloud platforms, coding (Go/Python), and observability tooling.

Principal Software Engineer at JPMorgan Chase within the International Consumer Bank, leading payments engineering. Responsibilities include engaging with stakeholders, leading technical meetings, designing and implementing solutions in Java, and supporting products throughout the lifecycle. Required qualifications include formal software engineering training, in-depth Java knowledge, experience with architecture patterns, and building solutions on Cloud platforms.

As a Software Engineer for New Interfaces, you'll play a pivotal role in designing and developing cutting-edge AI features. Responsibilities include leveraging LLMs, building transformative experiences, developing models, optimizing systems' response latency, and driving new features from prototype to production.

Perplexity is seeking a Sr. Backend Software Engineer to lead the design, implementation, and scaling of backend systems using Python, Postgresql, DynamoDB, Redis, and Kubernetes. Responsibilities include database optimization, building interfaces, and scaling web server backends. Requires 4+ years of engineering experience.

Optiver is looking for a Software Engineer to join their London Autotrading development team. The role involves expanding autotrading systems, optimizing core trading platform, and ensuring market stability. Key responsibilities include working closely with the trading team, developing performance critical code, building high-quality software, and tackling architectural limitations in the trading system.

Building a team focused on Rust programming language and ecosystem on Ubuntu to deliver the best Rust runtime and developer experience. Opportunity for software engineers passionate about open source, Linux systems, software architectures, and Rust.