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NET backend development and strong knowledge of Azure services.

Backend & DevOps Software Developer. We’re seeking a skilled Backend & DevOps Software Developer to join our Innovative Platforms team. Collaborate with front-end developers and product owners to deliver end-to-end solutions.

Compensation: Competitive, based on location and experience .Location: UK or Turkey (Hybrid – Office & Remote).Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale.Keepnet runs

We are looking for a Senior Backend Engineer to join our new Quantitative Sports team. As a Senior Engineer you will play a critical role in the development and maintenance of the backend aspects of the pricing system for our sportsbook and work alongside our quantitative analysts to deliver our in-

Our backend tech stack is Spring Boot with Java/Kotlin/Groovy, MySQL and Opensearch, hosted on AWS. Our frontend is React with Typescript, and you will be expected to contribute small features to the frontend (though the role is at least 95% backend). You're an experienced engineer with multiple ye

The role involves the design and development of backend services and infrastructure for Machine Learning workloads.

We’re hiring a senior backend engineer to join a disciplined, senior team responsible for the platform behind Eequ, where engineers have real ownership and operate with high autonomy. Build and operate the backend platform that powers a real marketplace handling bookings, payments, and reporting f

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.

Backend Developer Romsey, Hampshire (Hybrid - 3 days office / 2 remote, flexible)£45,000 - £50,000 + BenefitsOOP, PHP, LaravelMy client build innovative SaaS solutions that help organisations monitor, manage, and optimise critical infrastructure.

Software Architect Java - BackEnd, Back End Google Cloud (GCP).

A leading energy company in London is seeking a Senior Software Engineer to join their Data team.You will be tasked with building stable APIs and a presentation layer for complex energy data, working primarily in Python.Candidates should possess over 4 years of experience in software development wit

A fast-moving MedTech startup is seeking a Senior Back-End Developer to shape backend systems.

The role requires 3+ years of experience in backend or full-stack development with languages like Node.

Want to work on the most pressing challenge of our generation? If you have experience building exceptional products, know how to execute at scale, and want to help build a company for the long term, we'd love to hear from you.CarbonChain helps the world’s biggest supply chains measure and reduce t

With hundreds of clients and over $500M in revenue processed, you’ll build mission-critical financial tools, architect core backend systems, and help shape both product and engineering culture at a pivotal moment of growth. Design, build, and optimise scalable backend services using Kotlin for com

The ideal candidate will have over 5 years of experience in building high-performance backend services, preferably using Kotlin.

Back-End developer (python and GCP) - £525 inside IR35.Experience with frontend technologies including React.Strong experience deploying and managing applications on Google Cloud Platform (GCP).Proficiency in designing and integrating RESTful APIs.Demonstrated ability to implement automated testing

A leading fintech company in Greater London is looking for experienced Kotlin engineers to enhance its product platform.As a key player, you will be responsible for developing high-quality services and collaborating on new features.The role emphasizes high-performance, scalable systems and a culture

A leading software provider in the UK is seeking a Software Engineer (Golang) to design and develop scalable backend systems.

A leading recruitment firm is seeking a Senior Backend Engineer for an innovative AI infrastructure company based in London.

A leading consultancy firm in Greater London is seeking an experienced Node Developer with Front End Development experience.You will join a collaborative team focusing on back-end development, API integration, and database management.The ideal candidate is expected to have a strong grasp of Node.Jav

NET (C#) in backend environments. NET Backend Developer to join a high-impact engineering team building one of the most demanding real-time sportsbook platforms on the market. If youe passionate about distributed systems, performance-driven backend engineering, and have experience working in sports

A leading global financial services firm in Greater London is seeking a Software Engineer III to join its International Consumer Bank team.This position requires expertise in Java and cloud-native microservices, with responsibilities including creating secure, high-quality software and collaborating

A leading crypto company is seeking a seasoned software engineer proficient in Rust to design robust services and libraries, collaborating with cross-functional teams.This fully remote opportunity requires 7+ years of experience, a security-first mindset, and the ability to debug issues autonomously

This is a generalist mid-level backend position within the Ads Organization.

An exciting opportunity at a technology-driven engagement platform for a Software Engineer III (Backend) in the UK. You will lead backend development efforts in a 0→1 environment, leveraging AI tools to enhance productivity and build scalable systems.

Building Containerized Web Applications.Experience working with modern web frameworks (React.Background in designing and developing data-intensive web applications.Remote Work Opportunity in the UK.Uncovering problems, formulating hypotheses, and driving the entire process from concept to execution.

Staff Software Engineer to join our Customer Knowledge team in the UK or Ireland.This is a unique opportunity to architect and build large-scale, globally distributed applications that process hundreds of thousands of data points per second.In this role, you will be at the forefront of innovation, w

Observability, and Scale from Day One.Fluency with flexible databases like MongoDB and solid understanding of API architecture.REO:Digital is a leading customer experience agency in central London, specializing in digital experiences for global brands like Amazon, M&S, Tesco, and Samsung.We apply de

As a Senior Backend Developer, you will be part of the team that develops the backend components of all Bitfinex services (main trading application, Lightning Network support, Blockchain integrations, etc. Senior Backend Developer - Node. Scalability: ensure backend services remain smooth, responsiv

Professional backend development experience using Python. Understanding of backend security best practices.

We are looking for a Backend Infrastructure Engineer with strong experience in building and maintaining backend services that power developer infrastructure. Design, maintain, and evolve backend services supporting our CI infrastructure. Strong backend engineering experience with Java and Python.

A leading cryptocurrency platform in Greater London is seeking experienced backend engineers.

A leading technology firm in Greater London is seeking a Software Engineer to contribute to the development of AI-powered solutions.The role involves working with millions of documents daily, ensuring high standards for quality and performance while collaborating with cross-functional teams.The idea

We're looking for a strong Backend-focused Software Engineer who is excited to engineer highly performant, mission-critical systems that are designed for agile development and rapid scaling. You have experience with Python (preferred), or another modern backend technology, and are excited to work wi

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission.We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential.Our team is key to our success.We value col

Design and ship scalable, secure, and cloud-native backend features with a focus on simplicity, data consistency, and financial privacy. You have strong experience building scalable backends in Golang, making smart architectural trade-offs.

NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models.We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related research questions such as "I

A leading tech innovator in Greater London is seeking a Director of Engineering to lead its backend data teams. The role involves setting technical direction, driving key initiatives, and mentoring backend engineers. Candidates should have over 10 years of experience in backend leadership, a strong

If you have worked with Kotlin in a fast-paced, product-focused startup environment, apply now for this fantastic Senior Backend Engineer opportunity!. Senior Backend Engineer – AI transforming the future. Having just received their Series A funding, they’re hiring Senior Backend Engineers with

Backend Software Engineer / Developer (Java SQL Networking) to £140k. Are you a Java technologist with strong backend development experience looking for an opportunity to progress your career in a senior, hands-on role?. As a Backend Software Engineer you'll join a small, Agile team using core Java

A tech recruiting firm is seeking a Senior Backend Engineer to lead backend services from design to production. The ideal candidate will have over 7 years of strong backend experience in Golang, solid skills in system design, API and data modeling, and familiarity with modern cloud architectures.

Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment.

The ideal candidate has strong backend development experience, preferably with Node.

They require a backend engineer to own, build the backend architecture, set up API calls and ensure it is scalable due to forecasted growth. Own and build backend architecture.

A well-established global software provider in the UK is looking for a Software Development Team Lead to oversee a small team of engineers in developing a cloud-based data integration platform.The role combines team leadership with technical ownership, focusing on building scalable Node.TypeScript s

A health and fitness tech startup is looking for a backend engineer to own and build the backend architecture, set up scalable API calls, and leverage AI tools to enhance coach productivity.

Our Direct to Consumer business is performing and growing strongly, which is why we - within the Customer Communication Platform team in Commercial Technology at On - are looking for a Lead/Senior Backend Engineer to scale On’s online business to the next level. You have 8+ years of backend experi