Backend Jobs in United Kingdom
Find Backend jobs in United Kingdom. Full-time, contract, remote and freelance opportunities.
65 vagas encontradas
Back End Developer
Minted Box
Back-End Developer (LAMP Stack) • Location: Send, Woking (hybrid) • Hours: Full-time • Salary: Competitive • Stack: Linux, Apache, MySQL/MariaDB, PHP • Perks: Friday afternoons off, private healthcare, Pizza Wednesdays About Minted Box Minted Box is a digital agency that works alongside clients to design and build the platforms their brands and customers need. We specialise in our own fundraisin
AI Trainer - Video Annotation
iMerit Technology
AI Trainer - Video AnnotationRemote | Independent Contractor Prove your skills. Get certified. Robotics AI is advancing rapidly, and high-quality video data helps intelligent systems better understand the world around them. We are inviting detail-oriented professionals to complete our certification process for potential robotics AI projects. ▌ What you will doAs part of the certification pro
Senior Machine Learning Engineer, LLM Inference Optimization
Nebius
About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From…
Senior Frontend Engineer
B2spin
About B2SpinWe are B2Spin, and we are dedicated to delivering the best Free-to-Play Social Casino and gaming experiences by creating captivating, engaging, and unique products that are accessible to everyone. We have built a team of talented professionals from all over the globe, who are working to continually improve the experiences of our player
Java Server-Side / Backend Developer
iXceed Solutions
We are looking for an experienced Java / Kotlin Backend Developer to join a mobile engineering team, building scalable, high-performance backend services for mobile applications used by millions of customers worldwide. Role -: Java Developer – Java & Kotlin | Spring Boot & Microservices Location: Burgess Hill, UK Work Model: Hybrid – 3 Days Onsite / 2 Days Remote Role: Backend Developer / Serv
Software Engineer, AI Coding Tasks
Askable
We're looking for experienced software engineers to build AI coding tasks from a codebase they know well. US$1,000 per task, and you can do as many tasks as you want. You turn a real change from a repository you know into a task that today's best AI coding models struggle with: hard for the models, but fair for a skilled engineer. Your tasks are used to measure and train AI coding models. Remo
Staff Software Engineer
Vonage
Join Vonage and help us innovate cloud communications for businesses worldwide! About Vonage Vonage is the emerging leader in the $100B+ cloud communications platform (CPaaS) market. Customers like Airbnb, Viber, WhatsApp, Snapchat, and many others depend on our APIs and SDKs to connect with their customers all over the world. As businesses continue to shift…
Senior Backend Engineer
DuckDuckGo
Who We Are Hi, we're DuckDuckGo, the online protection company and remote-first team of 400+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, our annual revenue is in the hundreds of millions USD and millions use our browser on <a class="ProsemirrorEditor-link" href="https://spreadprivacy.com/introducing-duckduckgo-for-mac/
Remote Software Engineer - Backend Services - MPG - Fully remote from the UK or
Climax Studios
Description At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in person. Giving back is central to who we are, with a focus on local communities, education,
Tech Lead Full-Stack Rails Engineer
Mitre Media
About Mitre Media Mitre Media is redefining FinTech with AI-driven tools that empower millions of investors. Our portfolio, including Dividend.com and MutualFunds.com, leverages LLMs to deliver novel data insights and visually rich user experiences. For over a decade, we’ve served individual investors, financial advisors, and top asset managers like BlackRock and Vanguard through our premium data,
Senior Machine Learning Manager, Borrowing
Monzo
We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint…
Senior Backend Engineer
Rain
Remote - Rain is the world's first AI Financial Health Platform, serving 3.5 million employees at leading organizations like McDonald's, Marriott, and T-Mobile. Rain works in the background to optimize every employee's financial life to prevent shortfalls and build long-term sta...
Java Backend Engineer
Hitachi Global
Job Description We're looking for an experienced Backend Engineer to design and build robust, scalable microservices. You'll work across the full backend stack — from API design through to production-grade integration testing — using modern Java and Spring technologies. Requirements Strong hands-on experience with Java 17+ and Spring Boot 3 Proven experience building and maintaining microservice
Remote Office Assistant
Coalition Technologies
Coalition Technologies is seeking a reliable, detail-oriented, and highly organized Remote Office Assistant to support administrative, bookkeeping, billing, reporting, data entry, and internal operations tasks. This role is ideal for someone with strong communication skills, discretion, attention to detail, and a willingness to learn and grow within a fast-paced remote work environment. As an Offi
Partner Solutions Engineer
DevRev
About DevRev At DevRev, we're building the future of work with Computer – your AI teammate. Unlike traditional tools, Computer unifies all your data sources, tools, and workflows into a single AI-ready platform, giving employees real-time insights, proactive suggestions, and powerful agentic actions. It extends your existing software with AI-native apps and agents that work…
Senior Software Engineer II Applied AI
Wrapbook
About Us:Wrapbook is the AI platform for production finance. Weâre building a system of action that puts finance teams in control of their whole production, from payroll, to spend, to accounting. Built for feature films, TV, and commercials, Wrapbook is trusted by teams at Netflix, Paramo
Backend Engineer (Python)
TESTQ Technologies
• Design, build, test and maintain secure, scalable backend services and APIs, primarily using Python. • Deliver production-quality code through sound engineering practices: version control, automated testing, code review, CI/CD, and clear technical documentation. • Integrate services with internal platforms, data sources and third-party APIs, handling authentication, authorisation, resilience, an
Inside Sales Contractor
Credit Wellness, LLC
About Us We are a financial services start up focusing on helping to improve consumer credit profiles. We are currently seeking KPI driven sales representatives looking to earn up to 45K in their first year while working remotely. We offer comprehensive training and continuous sales coaching to help you meet your financial goals. During our training period we offer a guaranteed training stipend wh
Staff Backend Engineer
TeamSnap
About Us At TeamSnap, we believe when the world connects through sports; the world becomes better. TeamSnap is a sports and communication platform dedicated to taking the work out of play in youth sports. We also believe our jobs should excite us, our teammates should support us and our bosses should inspire us. We…
Principal Software Engineer
Vytalize Health
Your OpportunityAs a Principal Engineer, you will help design, build, and operate the clinical decision support and API-driven data delivery platform that enables Vytalize Health to embed timely, actionable clinical insights directly into provider workflows. Working cross-functionally with Data Engineerin
Backend Software Engineer TypeScript
Client Server
Backend Software Engineer / Developer (TypeScript) Cambridge / WFH to £70k Are you a backend focussed TypeScript Engineer? You could be progressing your career at one of the world's leading cyber security technology companies, where you'll help develop next generation software that protects organisations from increasingly sophisticated AI driven cyber threats. As a Backend Software Engineer you
Tier III Service Desk Engineer
Unio Digital
Unió Digital is an Arizona-based managed service provider (MSP) delivering Managed IT Services, Low Voltage Cabling, Access Control, Video Surveillance, and Intrusion Services. We believe technology should be intuitive, not intimidating. We are looking for an experienced Tier 3 Service Desk Technician with exceptional problem-solving skills. You will serve as the escalation point within the team
Staff Backend Engineer
Future PLC
About Us: Future is building a personalized guidance system for lifelong health. We help people understand what to do next for their body, goals, and stage of life — then support them in turning those decisions into sustained behavior change. By combining AI, human expertise, personal health data, and accountability, Future helps members improve performance…
Frontend Engineer
Bjak
About ActAIThere are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no
Backend Software Engineer – TypeScript
Spectrum IT Recruitment
AI is changing how software is developed, but getting the most from it still requires experienced engineers who understand how complex systems fit together. This is an opportunity to join a software engineering team already using AI-assisted and agentic development to build, improve and modernise business-critical systems. You'll work with TypeScript, Node.js and Google Cloud, helping modernise
Freelance Writer
IAPWE
Our organization is seeking content writers to create articles and blog posts on a variety of topics. The rate of pay is $20 per 100 words (this comes out to approximately $100 per article or $50 per hour). Some topics you may be asked to write about include the following (you can always turn down a topic if you do not feel comfortable writing about it, however if you have experience or expert
Senior Business Engineer
Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit…
Senior Backend Engineer Build AI Agents
Salesforge
Remote - Most sales tools help you send emails. Weâre building something different.At Salesforge, weâre creating autonomous AI agents that can:Find the right prospectsGenerate highly personalized outreachRun conversationsAnd book meetingsAll without human invo...
Backend Engineer
PTC
Our world is transforming, and PTC is leading the way. Our software brings the physical and digital worlds together, enabling companies to improve operations, create better products, and empower people in all aspects of their business. Our people make all the difference in our success. Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team membe
Freelance Copywriter
Coalition Technologies
CT Marketing Agency is seeking skilled Freelance Copywriters to write high-quality, SEO-driven content for eCommerce and lead generation websites. This is a freelance, project-based writing role. The ideal candidate has excellent English writing skills, strong research ability, and experience writing content that follows detailed, client-specific guidelines. Projects commonly include category pa
Security Engineer
Eight Sleep
Join the Sleep Fitness Movement At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and…
DESARROLLADOR FULL STACK
Kruger NearShore LLC - Rekluti
Desarrollador/a Full Stack â Python / Angular / GoEn Rekluti, consultora especializada en talento tecnológico en LATAM, buscamos un/a Desarrollador/a Full Stack para integrarse a proyectos de alta complejidad y participar en el desarrollo de soluciones web escalables.Buscamos un perfil con sólida e
Staff Backend Engineer
Renesas
Job Description Why Altium Platform? Altium technology helps to improve the lives of millions by empowering anyone to turn concepts into reality. Altium’s unique position in the EDA industry, through supply, design and manufacturing, gives a unique opportunity for customers to connect with the EDA space. The Altium Platform is the foundational rock on top of which is built products and solutions
Senior React Full-stack Developer
Lemon.io
Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe. What we offer: The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers. No more hunting for clients or
Backend Engineer, Knowledge Graph (Rust)
GitLab
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built int
Staff Software Development Engineer SDM
Delinea
About Delinea:Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delineaâs leading cloud-native Identity Security Platform applies context throughout the ent
Backend Developer TypeScript - Cyber Security
Client Server
Backend Developer / Engineer (TypeScript) Cambridge / WFH to £70k Are you a Backend Developer with strong TypeScript skills? You could be progressing your career at one of the world's leading cyber security technology companies, where you'll help develop next generation software that protects organisations from increasingly sophisticated AI driven cyber threats. As a Backend Developer you'll de
Senior back-end Engineer
Lemon.io
Senior Developer? Work Remote. Get Paid Well. Build What Matters. Lemon.io connects hand-picked senior developers with vetted startups across the US and Europe — no bidding wars, no ghosting, just serious opportunities. We're currently hiring for a research-driven AI company on a mission to slash the cost of modern AI — co-designing hardware, software, algorithms, and models to make AI's benefit
Manager, Customer Support
Wrapbook
About Us: Wrapbook is the AI platform for production finance. We’re building a system of action that puts finance teams in control of their whole production, from payroll, to spend, to accounting. Built for feature films, TV, and commercials, Wrapbook is trusted by teams at Netflix, Paramount, Anonymous Content, and more. With backing from Andreessen…
Senior Software Engineer Case Execution
Pivotal Health
About Pivotal HealthPivotal Health is the leading technology platform that helps healthcare providers get paid fairly in an increasingly complex reimbursement landscape.Today, many providers face persistent underpayment from health insurance companies, despite delivering high-quality care. While processes like IDR (Independent Di
Principal Software Engineer Backend Technologies, Platform (UK Remote)
Turnitin, LLC
Company Description When you join Turnitin, you'll be welcomed into a company that is a recognized innovator in global education. For over 25 years, Turnitin has partnered with educators and institutions to develop learning integrity solutions that recognize the enduring value of critical thinking in a rapidly changing world. Over 16,000 academic institutions, publishers, and corporations use our
Backend Engineer, Java - Web 3 Wallet
Binance
Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance&hell
Java Developer
Clera
About the RoleWe are an early-stage, venture-backed AI infrastructure company building production-ready Kubernetes-based systems for GPU-intensive workloads. Our platform helps companies go from bare metal to fully operational AI clusters in days, and we're looking for a Java Developer to join our small, high-impact engineering team.Wha
Backend Developer, Followscores
Hackajob Ltd
Our client is one of the world's leading online gambling companies. Company Description We're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 10,000 people and serve over 120 million customers in 26 languages. We empower our employees to push boundaries and explore new ideas, cultivating a culture tha
Principal Technical Marketing Engineer | UK | Remote
Grafana Labs
Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving…
Software Engineer GO
Wakacje.pl
Remote - Market-leading travel agency (part of an international holding) working with numerous tour operator partners is looking for a Golang Developers to join our core backend engineering team. Our developers focus heavily on building robust API integrations between our inter...
Senior Backend Engineer (Node.js) – Remote UK Contract
rmg digital
A leading ticketing platform is seeking a Backend Software Engineer (Node.js) for a 6-8 week contract. You will modernise backend architecture in a fully remote role. Candidates should have proven experience in Node.js development and the ability to manage complex challenges independently. This is an exciting opportunity to join an agile team and work on a major platform used by thousands of users
Principal Technical Marketing Engineer | Spain | Remote
Grafana Labs
Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving…
Android Developer
Bjak
About BJAKThe original mission of BJAK is we believe people deserve smarter ways to plan, save and grow their money. This is the origin of our name.Started in 2019, we built the first mobile-first, insurance platform, enabling insurance to be accessible online by millions in the region. Today, its the leading insurance platform in S
Software Engineer, Developer, Backend – Java – Identity, IAM, Security
PeopleWorks Consultancy Limited
Software Engineer, Developer, Backend – Java – Identity - IAM, Security Contract – Until End of December 2026 (Renewable) Rate: £600 per day – Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a week The banking and finance arm of one of the world's leading manufacturing companies and a household name is seeking asoftware engineer, software developer with Backend
Principal Technical Marketing Engineer | Germany | Remote
Grafana Labs
Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving…
Business Development Manager
Temu
Role Description: This is a full-time remote role for Business Development ManagerResponsibility:1.â¦
Senior Backend Engineer - Node.js, TS & Web3
Calyptus
A technology firm in the United Kingdom is seeking a Mid-Senior level Co-Founder to design and implement scalable backend solutions. Ideal candidates will have strong experience with Node.js, Type Script, and PostgreSQL, along with familiarity in blockchain technologies. This full-time role requires collaboration with product teams and a focus on performance and security. Join us in revolutionizin
Principal Technical Marketing Engineer | Ireland | Remote
Grafana Labs
Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving…
Business Development Executive
Outsource Access Careers
This is a remote position.What We DoAt Outsource Access, we help HR professionals and businessâ¦
Senior Backend Developer
Rullion - Eon
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hou
Principal Technical Marketing Engineer | Sweden | Remote
Grafana Labs
Grafana Labs is the company behind Grafana Cloud, the fully managed observability platform trusted by more than 10,000 organizations to ensure reliability, resolve incidents faster, and optimize telemetry at scale. Built on open source and open standards and designed for interoperability across any stack, Grafana Cloud brings AI to observability and observability to AI, giving…
Backend Engineer; Node.js
Emma Technologies LTD.
Wayfindi in London is seeking a Mid Level Backend Engineer (Node.js) to enhance their backend infrastructure. You will be responsible for handling scaling challenges and new feature integrations while collaborating closely with the CTO. The ideal candidate has at least 2 years of software development experience, especially in Node.js, Type Script, and JavaScript. This role demands high ownership a
Senior Software Engineer - Verification Platform
Veriff
Beneath a simple yet elegant user interface lies a complex system of functionalities. Our AI-powered product uses advanced image recognition, facial verification, face recognition, facial anti-spoofing (liveness detection), and behavior analysis to make identity decisions. We help our partners build onboarding processes that ensure good people get things done and bad folks get stopped. To…
Remote Senior Backend Software Engineer (TypeScript, NestJS/Node.js) (m/f/x)
Atolls
Atolls is the world’s largest community-driven shopping platform, active in 20+ markets. We help millions make smarter spending decisions across discovery, evaluation, and (re-)purchase by connecting people with the right brands and retailers. Our 1,000+ team across 10 countries builds products used every day at global scale, where you’ll have real ownership and see your impact. Want to shape th
Senior Software Engineer, Product
RevenueCat
RevenueCat gives app businesses the infrastructure and tools to build, run, and improve their monetization. Since graduating from YC's S18 batch, we've grown into the default monetization platform for mobile. We're in 50%+ of newly shipped subscription apps, we process $16B+ in annual purchase volume, and we help everyone from a solo developer to the…
Backend Engineer III
Referrals Only
📍London or UK Remote | 💰 Engineer III Compensation: £85,000 - £110,000 + Incentive Awards tied to your performance + Benefits | Technology About our Engineering Teams: We have around 650 engineers across Monzo who design and build our in-house banking platform. We have big ambitions for the future, and technology plays a big role in creating a bank our customers want, so engineers at Monzo co
Senior Backend Engineer
RevenueCat
RevenueCat gives app businesses the infrastructure and tools to build, run, and improve their monetization. Since graduating from YC's S18 batch, we've grown into the default monetization platform for mobile. We're in 50%+ of newly shipped subscription apps, we process $16B+ in annual purchase volume, and we help everyone from a solo developer to the…
Senior Node.js Backend Engineer
Vista
Job Profile Vista is the world’s leading global business aviation company, providing worldwide business flight services through its network of subsidiaries and a team of over 4,000 experts. A global group headquartered in Dubai, Vista integrates a unique portfolio of companies to offer asset-free services that cover all key aspects of business aviation, including guaranteed and on-demand global f
Safety Engineer (Backend Leaning)
Elevenlabs
About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human-like AI voice model. Today, we serve millions of users and thousands of businesses - from fast-growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of…