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Senior Ruby on Rails Engineer API Driven Backend

A leading technology company in Greater London is looking for a skilled Ruby developer with 6-8 years of experience. The ideal candidate should have a strong command of Ruby on Rails and its nuances, along with the ability to work on Web APIs and understand object-oriented programming. Familiarity with server-si ...

Senior Backend Engineer Python/FastAPI, Scale up CPMS

A leading Charge Point Operator is seeking an experienced Senior Backend Engineer to develop their Charge Point Management System and customer-facing applications. This full-time, hybrid role based in Southwark involves backend development using Python and FastAPI, API design, and system performance optimization ...

Senior Python Backend Engineer for AI Prototypes (Remote)

A growing digital consultancy in the UK is seeking a Senior Software Developer (Python) to design and enhance AI prototypes. This role involves working collaboratively with engineers, managers, and designers to deliver high-quality, user-centric solutions. The ideal candidate should have strong experience in Pyt ...

Backend Engineer in London Blink The Employee App

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Technical Solutions Technical solutions aim to solve real-world user problems by building new functionality on top of Blink's existing ba ...

Rust Staff Engineer: Lead Secure, Scalable Backend Systems

A leading tech company in London is seeking a Staff Software Engineer with deep expertise in Rust. In this senior role, you will lead backend system design and collaborate with cross-functional teams. Candidates should have a proven track record in software engineering, strong skills in backend development, and ...

Backend Engineer – AI Driven, Cross Team Ownership (Golang)

A dynamic delivery service company in Greater London is seeking a Backend Engineer to join their Promotions team. This role is focused on backend development, ideally with expertise in Golang. Candidates should have experience leading cross-functional projects and utilizing AI tools like Codex and Claude to impr ...

Go Backend Engineer – AI Driven FinTech, Flexible Remote

A forward-thinking FinTech firm in London seeks a Software Engineer (Go) to develop high-performance back-end services supporting financial applications. The ideal candidate will have strong AI integration skills, proficiency in JavaScript and experience with modern development tools. Benefits include 38 days of ...

Hybrid .NET Backend Engineer — AWS, SQL & REST APIs

A fast-paced startup in Greater London is seeking a Back-End Developer to design and build robust server-side applications using .NET and C#. This role offers hybrid working and involves implementing critical business logic, developing RESTful APIs, and leveraging AWS services. The ideal candidate should have a ...

Senior Backend Python Engineer Django REST & AI Data

A leading financial tech scale-up in Greater London is seeking Mid and Senior Python Developers to join its backend team. The role involves creating robust and scalable solutions in Python, designing REST APIs, and ensuring code quality. Candidates should have over 4 years of professional experience with Python, ...

Hybrid Backend Engineer for AI First Benefits Platform

A progressive technology company is looking for a Backend Engineer to help build an AI-first benefits platform. Responsibilities include designing and scaling backend architecture, developing core services, and collaborating with product teams. The ideal candidate has 3+ years of experience with modern backend l ...

Remote Senior Backend Engineer Python & Scale for Impact

A mission-driven tech scale-up is seeking a Senior Backend Engineer to design, build, and scale their core software platform. This hands-on role involves creating backend services in Python and improving system performance while collaborating with a high-performing team. The ideal candidate has strong experience ...

Senior Backend Engineer – Equity & Hybrid Work (Series A)

A high-growth startup in London seeks a Senior Software Engineer focused on backend development. You will join a small engineering team to enhance an innovative eCommerce platform, employing technologies like Node.js and MongoDB. This role offers significant equity tied to your impact, a salary of up to £85,000, ...

Senior .NET Backend Engineer — APIs, C#, SQL (UK)

A leading tech company in the UK is looking for a Senior .NET Developer to design, develop, and maintain robust software applications. This role involves close collaboration with cross-functional teams to translate user needs into effective technical solutions. Key technical skills required include proficiency i ...

Senior Backend Engineer Node.js/TypeScript, AI‑Powered APIs

A leading governance and compliance solutions provider based in London is seeking a Senior Software Engineer proficient in Node.js and TypeScript. The successful candidate will build and manage complex backend services and APIs while contributing to design discussions. Ideal applicants will have 5-8 years of exp ...

Senior Backend Engineer AI Driven FinTech Data Platform

A dynamic tech company in London is seeking a Senior Backend Engineer to enhance its AI-driven platform. You will be instrumental in designing robust services, optimizing data pipelines, and improving API performance. Ideal candidates possess strong backend engineering skills, a solid understanding of SQL and da ...

Senior .NET Backend Engineer – Hybrid London (Azure/Cloud)

A fast-growing fintech company in Central London is seeking a Senior .NET Engineer to join their backend team. In this role, you will design and build scalable, high-performance systems using C# and .NET. The ideal candidate will have solid experience in cloud environments, REST APIs, and excellent problem-solvi ...

Backend Product Engineer — Build Scalable Investment Features (Hybrid)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to ...

Backend Engineer TS & AI APIs for Blockchain Compliance

ArtOfBlockchain is looking for a backend engineer to join the Automation Forge team in Greater London. This role involves designing APIs and event-driven workflows using TypeScript and Node.js, while integrating AI frameworks. Applicants should have 3–6 years of experience and a strong grasp of AWS services. The ...

Lead Backend Engineer, Real Time Trading (C++/Python)

A leading global trading venue is seeking a seasoned professional for a leadership position focused on low-latency engineering and stakeholder collaboration. Located in London with a hybrid work model, the role requires strong C++ and Python skills, along with a proven track record in modernizing legacy systems. ...

Lead C++ Engineer Low Latency Trading Backend (London)

A global fintech firm in London is seeking an Engineering Squad Lead for its backend operations. The role involves leading a team to work on low-latency C++ systems, improving delivery processes, and modernising legacy components. Candidates should have strong C++ experience, exposure to Python, and the ability ...

Senior Python Backend Engineer — Real Time Data Pipelines

A technology recruitment firm is seeking a Backend Software Engineer skilled in Python and streaming technologies. The role is based in London and involves designing complex systems and owning backend services. Ideal candidates will have experience with Kafka, MongoDB, and distributed systems concepts. Benefits ...

Backend Engineer: Real Time AI Voice for NHS

A healthcare technology company in Borehamwood is seeking a Backend Software Engineer to develop AI-powered voice agents for NHS patient triage. You will design scalable backend systems in Node.js and optimize AWS infrastructure for real-time patient interactions. The ideal candidate has over 5 years of experien ...

Senior Backend Engineer Rust/C++ & AI API Systems

A forward-thinking AI company in Greater London is seeking a skilled software engineer to develop and maintain scalable production systems that power their API. This role requires expert knowledge in Rust or C++, along with extensive experience in Python and containerization technologies like Docker and Kubernet ...

Senior Full Stack Engineer — Lead Frontend/Backend (Hybrid)

A digital comparison service company in Greater London seeks a Senior Full Stack Engineer to enhance their technology platform. In this role, you will manage both front-end and back-end development, ensuring scalability and performance while mentoring other developers. Ideal candidates will have expertise in Jav ...

Senior Backend Engineer (Kotlin) — Build Scalable Data Platforms

A dynamic technology startup is looking for a Senior Software Engineer to drive innovation in B2B data platforms. You will work closely with stakeholders and the engineering team to design robust data infrastructure, write quality code, and enhance software functionality. You'll bring expertise in Java/Scala/Kot ...

Senior Backend Engineer — AI for Frontline Services (Remote)

A forward-thinking tech company in London is seeking a Senior Backend Engineer to join their mission-driven team. This remote-first role focuses on building core backend systems that transform frontline public services using AI. With a commitment to code quality and social impact, the ideal candidate should have ...

Senior PHP Backend Engineer — Remote & Scalable Systems Lead

A travel-tech company is seeking a Senior Backend Engineer to lead the design of high-performance distributed systems. The ideal candidate has over 7 years of PHP experience and at least 4 years with Laravel or Symfony. This remote-first position values technical mastery and offers robust benefits like health in ...

Head of Backend Engineering — Real Time Transit Platform

A leading transit technology company in London is seeking a Director of Engineering to oversee backend teams and data infrastructure. You will drive technical direction, mentor engineers, and improve engineering practices. The ideal candidate has over 10 years of experience in backend management, strong leadersh ...

Senior Backend Software Engineer (Python) in London NLPatent

Overview London, United Kingdom Posted 2 months ago This is a job posted by our partner Jooble Below is the snippet of the job description. To read the full text, please click on the Apply Now link. Qualifications 5+ years of commercial engineerin ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of c ...

Senior C# Backend Architect — Core Banking (Hybrid UK)

A leading fintech company in Greater London is seeking a senior engineer to design and develop systems for core banking products. You will influence technical direction, mentor engineers, and own complex projects from idea to outcome. This hybrid role allows flexibility, requiring office presence 2-3 days per we ...

Founding Backend Engineer London (In Person) with Equity

A healthcare technology company based in London is seeking a Founding Backend Engineer to develop and promote AI solutions in healthcare. This role involves owning backend services, designing APIs, and integrating with NHS data sources. The ideal candidate will have experience with React, TypeScript, AWS, and a ...

Senior Backend Architect for AI Platform (Node.js/TS)

A VC-backed startup in London is looking for a Lead Backend Engineer to architect scalable services for their AI platform. In this role, you will design event-driven systems using Node.js and TypeScript, mentor engineers, and shape the technical standards for a high-performing team. Ideal candidates should have ...

Senior PHP Engineer: Build Robust Backend & Data Solutions

We require a self-motivated, result-focussed with a positive outlook and a clear focus on high-quality outcomes and customer satisfaction. Someone comfortable working under pressure and a strong planner who delivers within deadlines. Propose, design and evolve efficient, robust, high performi ...

Senior Backend Engineer Build a scalable fintech platform

A leading investment platform in London seeks a Senior Backend Software Engineer to lead development projects and enhance the customer experience. You will collaborate with a dynamic team, mentor junior engineers, and set high standards for software quality. This hybrid role offers competitive salary and benefit ...

Senior AWS Backend Engineer — Remote/Hybrid, API First

An international technology company is seeking a Senior AWS Backend Engineer to design and deliver backend solutions using AWS. Ideal candidates have extensive experience in Python, C#, and C++, and a formal background in statistics or mathematics. Responsibilities include architecting solutions, collaborating w ...

Senior Software Engineer – Node/API Backend, Remote Ready

A music technology company is seeking a Senior Software Engineer to redefine the music industry by building applications for a web platform. The ideal candidate has strong skills in JavaScript/TypeScript and Node.js, with experience in designing RESTful APIs and working in cloud environments. This role involves ...

Senior Backend Engineer for AI Driven CRM | Equity

An AI-native CRM startup is seeking a Senior Product Engineer to lead the development of scalable backend systems. You will architect high-performance systems using Node.js and TypeScript while managing complex data challenges. Ideal candidates have deep expertise in backend applications and a product-focused mi ...

Backend Software Engineer C#.Net SQL Sports Trading

Backend Software Engineer (C# .Net SQL) London / WFH to £90kJoin a global sports trading firm as a Backend Software Engineer, building real-time, high-performance trading systems with clear business impact.What you'll do:Design and develop low-latency backend systems and AP ...

Full Stack Engineer (C#Backend/React.NET Front End)

Full Stack Engineer (C# / .NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment BankWe are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application f ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Senior Go Software Engineer (Backend or Full stack)

WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

Principal Backend / Fullstack Engineer (E commerce & Platform Integrations)

Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground-breaking OSMV™ Technology at the core of the brand enables transformational efficacy and precision. We create deep respect & intention by adhering to the global princi ...

Full Stack Engineer (C#Backend/React.NET Front End)

Full Stack Engineer (C# / .NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment BankWe are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application f ...

Senior Lead Software Engineer Backend Engineer Chase UK

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of cust ...

Backend Software Engineer C#.Net SQL Sports Trading

Backend Software Engineer (C# .Net SQL) London / WFH to £90kJoin a global sports trading firm as a Backend Software Engineer, building real-time, high-performance trading systems with clear business impact.What you'll do:Design and develop low-latency backend systems and AP ...

Principal Backend / Fullstack Engineer (E commerce & Platform Integrations)

Noble Panacea is a new revolutionary skincare brand founded by Nobel Laureate Sir Fraser Stoddart and launched in October 2019. The ground-breaking OSMV™ Technology at the core of the brand enables transformational efficacy and precision. We create deep respect & intention by adhering to the global princi ...

Senior Go Software Engineer (Backend or Full stack)

WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

Engineering Lead API Experience

Compensation: GBP 100,000 - GBP 135,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another coun ...

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