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Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. They've completed Series A funding, raising $29 million across three funding rounds, and are now seeking a Senior Backend Engineer.

Mentor engineers through structured feedback, pairing, and design reviews. Strong teamwork and collaboration skills, with the ability to work seamlessly across design, product, and engineering teams.

A leading customer communications platform in Greater London is seeking a Senior Backend Software Engineer to design, develop, and operate vital features.

Has 5+ years of backend engineering experience in production environments. Senior Backend Engineer (Free to Play). You’ll be responsible for building and maintaining the backend systems that power our new suite of games, constructing APIs, and producing robust and maintainable code within specifie

We're looking for a backend software engineer to join our platform engineering team, working in a squad with around 4-8 other engineers, a Scrum Master, Product Owner, Business Analyst and Engineering Manager to support. The platform engineering team is part of a Tech function of around 150 people,

A leading FinTech firm in Greater London is seeking a Software Engineer to drive the development of robust backend systems.

A leading advisory intelligence company is seeking a highly motivated Senior Backend Engineer to join their Platform & Infrastructure team in Greater London.

As a Senior Backend Software Engineer, you will be responsible for the design, development, deployment, and operation of business-critical features that add customer value on top of voice. Best practices, evangelization, and mentoring in your team and across the whole of Engineering will be part of

A technology company is seeking a Software Engineer to develop complex backend systems using C# and.

How you'll be contributing to Accurx as a Product Engineer. Working closely with a collaborative team, you’ll develop features, solve real-world problems, and learn from experienced engineers while contributing to a product used by healthcare professionals and patients across the UK. This is an op

A leading technology company in the UK is looking for a Senior Software Engineer to enhance their backend services.

As a Backend Engineer at Happl, your mission is to build the systems that power a global, AI-first benefits platform. You’ll design, build, and scale backend services that are reliable, secure, and performant, enabling our product teams to move fast while supporting complex real-world use cases ac

A leading fashion tech startup in London is seeking a Senior Backend Software Engineer to architect transaction systems for their AI-native secondhand fashion marketplace.

A leading technology company in Greater London is seeking a Senior Backend Engineer to work on advanced AI systems.

The successful candidate will design and build scalable applications, integrating advanced AI/ML capabilities into backend systems.

A scaling AI startup in Greater London seeks a Software Engineer to design and build backend services and APIs while developing new UI components.

A dynamic fintech company is seeking a Senior Software Engineer to join their team. This role involves driving the technical direction and quality of complex back-end systems, implementing robust testing strategies, and mentoring junior engineers.

You’ll join a team of thoughtful, collaborative engineers who support each other, share knowledge freely, and work closely with teams across domains. Proven experience in software development and systems engineering experience.

Senior Software Engineer, Backend. As a Senior Software Engineer, Backend, you’ll play a critical role in shaping the future of digital payments. Mentor and provide technical guidance to junior and mid-level engineers, actively contributing to their skill development and ensuring high-quality engi

A leading financial services firm in London is seeking a Senior Lead Software Engineer to design and maintain backend libraries and frameworks using Java and Spring Boot. The role requires strong collaboration with product engineering teams and a commitment to driving standardization within the deve

You will collaborate with product and design teams and contribute to both backend systems and mobile application development. A leading pet care app company in Greater London is seeking a Senior Software Engineer to design and develop across the full stack for their dog training application. This ro

A leading fintech company in Greater London is looking for experienced Kotlin engineers to enhance its product platform. Offering benefits like 25 days holiday, private medical insurance, and flexible working arrangements, this position is ideal for an innovative engineer who thrives in collaborativ

A technology company is seeking a Manager of Software Engineering in London, responsible for architecting scalable backend systems and leading complex projects. The ideal candidate has over 7 years of software engineering experience, with strong expertise in Golang or Java and AWS.

A leading recruitment agency is seeking a Senior Software Engineer with expertise in Python and AWS. The role offers the opportunity to design scalable backend systems in a remote-first or hybrid environment.

A leading financial technology company in the UK is seeking a Senior Staff Engineer to guide technical direction across multiple squads. This role involves hands-on involvement in coding and architecture, mentoring engineers, and driving improvements in quality and scalability.

You will work closely with the engineering team to ensure our backend platform is scalable, secure and efficient. We are looking for a Backend Engineer to join our dynamic and forward-thinking team. You will be responsible for designing, developing and optimizing backend systems that power our cyber

A scaling tech company in the UK is seeking a Senior Backend Engineer to develop solutions using TypeScript and Node.

Strong backend engineering fundamentals – we use Go, but we’re hiring an engineer, not a language specialist. We're hiring a Staff Backend Engineer to join our engineering team in a high‑impact technical leadership role. Experience driving AI tooling adoption and practices across an engineerin

Ideal candidates will have 3-6 years of experience in backend engineering, especially within startups. A technology automation firm is seeking a Platform Engineer based in London. This position involves developing features for the platform and addressing customer issues, primarily focusing on backen

We are looking for an exceptional Software Engineer, to join our Backend Engineering squad. As an engineer, you’ll play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. You have at least 2+ years of professional software engineering experience.

A staffing and recruiting firm is looking for a mid-level backend developer to join their Ads Organization.

Senior Backend Engineer (Remote) – UKLondon, RemoteThe role:We are looking for highly talented and driven software engineers who take pride in their work, to expand our Engineering team in London. You will take ownership of the services managed by your team, ensuring that their development ali

A dynamic startup in Greater London is looking for a Backend Engineer with strong Node. Responsibilities include designing backend solutions, optimizing database performance, and collaborating with cross-functional teams in a supportive environment.

We are looking for an exceptional Software Engineer, to join our Backend Engineering squad. You have at least 2+ years of professional software engineering experience. Stay current with technology trends and actively apply good engineering practices in your day-to-day work.

A growing technology startup in London is seeking a Senior Backend Engineer to help shape their next-generation CRM platform. In this role, you'll design and build scalable backend systems using Node.

Built by engineers for engineers, The Teleport Access Platform delivers on‑demand, least privileged access to infrastructure based on cryptographic identity and zero trust, with built‑in identity security and policy governance, making the happy path for engineers the secure path. We’ve designe

A leading technology consulting firm in the UK is seeking a Senior Kotlin Developer to design and build high-performance backend services for a global financial leader.

As a Backend Software Engineer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. As a Backend Software Engineer / Developer you will earn a highly competitive package including:. Backend Software Engineer / Developer (Java SQL Networking) opportunity.

A technology-driven firm in the United Kingdom is seeking a skilled Backend Developer to build a sophisticated AI governance platform.

A leading payments technology provider is seeking a Senior Software Engineer (Node. TypeScript) to design and implement backend services for their payment platform.

A leading technology platform in Greater London is seeking a talented Java Software Engineer. You'll design and build scalable backend services for a high-performance platform used by millions. The position offers a competitive salary of up to £90k plus a 10% bonus, and the option to work 3 days on

Engineering background in Computer Science, Mathematics, Software Engineering, Physics or similar field. Engineers work autonomously and make decisions independently, within a community that will support and challenge you as you grow and develop, becoming a strong technical contributor and engineeri

A leading digital payment company in the UK is seeking a Senior Backend Software Engineer to shape the future of digital welfare payments. You will design robust multi-service solutions, implement testing strategies, and mentor junior engineers.

A major financial institution in Greater London is seeking a Senior Lead Software Engineer to develop backend libraries using Java and Spring Boot. This role requires strong technical expertise, problem-solving abilities, and collaboration with product engineering teams. Ideal for those proficient i

The ideal candidate has over 3 years of experience in software engineering, particularly in backend development and data infrastructure. A healthcare technology firm is seeking a Software Engineer to build backend systems and manage large healthcare datasets.

A leading financial technology company in London is seeking a Senior Software Engineer to design and develop backend systems for derivatives trading.

In this role, you will design and maintain scalable backend services, focusing on performance, security, and system reliability. The ideal candidate will have strong experience in PHP and Laravel, with the ability to mentor junior developers and contribute to best practices in engineering.

A high-growth FinTech company in the UK is seeking a Senior Backend Engineer (Python) to lead system design and deliver scalable backend services. This role involves building APIs, mentoring engineers, and collaborating with cross-functional teams.