23 of 23 Permanent Senior Backend Developer Jobs

Senior Backend Developer (PHP/AI) Multis UK Limited is looking for an experienced Senior Backend Developer for the development and improvement of production systems, APIs and online marketplace platforms. AI-assisted development is part of our everyday workflow. Form of employment : part-time … full-time, contract Location : Remotely Job responsibilities Design and development of backend applications and REST APIs Development in PHP 8+ with SQL databases Architecture and improvement of existing production systems Search, automation and third-party service integrations Code review, debugging and automated testing Use of AI coding tools ...

Senior .NET Backend Developer Location: York (Hybrid - 2 days per week) Salary: Competitive + Benefits We're partnering with an established technology business undergoing a significant platform modernisation programme and are looking to appoint a Senior .NET Backend Developer to play a key role … shaping the future of its engineering capability. This is a hands-on senior engineering position, working closely with product and engineering teams, you'll help drive technical direction, champion best practice and contribute to the evolution of a high-performing development function. The Role Design, develop and maintain backend ...

Senior .NET Backend Developer Location: York (Hybrid - 2 days per week) Salary: Competitive + Benefits We're partnering with an established technology business undergoing a significant platform modernisation programme and are looking to appoint a Senior .NET Backend Developer to play a key role ...

backend developer who's just as comfortable in a Kubernetes cluster as you are in a PHP codebase, and fancies Friday afternoons off? We're looking for a Senior Backend Developer to join our growing digital team, taking on real ownership of our backend … rather than reporting up through layers of process. You'll report to our Head of Delivery and work closely with the rest of the backend team, but this is an individual contributor role with no direct reports. If you're comfortable in modern PHP, properly comfortable ...

Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels ...

Senior Backend Developer for Video on Demand and Live Streaming (GoLang) - Contract - 12 months - OUTSIDE IR35 - Remote (UK) A leading video platform is seeking experienced Senior Backend Developers with expertise in GoLang to contribute to the VoD2Live project. This person must have experience working ...

Distributed Acoustic Sensing (DAS) and Distributed Temperature Sensing (DTS) systems to help customers monitor assets, detect anomalies, and make informed operational decisions. As a Senior Software Backend Developer, you will play a key role in building and enhancing the backend services that power these solutions. Working … have the opportunity to create technology that delivers real-world impact on a global scale. The Opportunity We are seeking a talented and experienced Senior Software Backend Developer to join our Edge Platform team based in Elstree, London. This is a hands-on engineering role where ...

Distributed Acoustic Sensing (DAS) and Distributed Temperature Sensing (DTS) systems to help customers monitor assets, detect anomalies, and make informed operational decisions. As a Senior Software Backend Developer, you will play a key role in building and enhancing the backend services that power these solutions. Working … have the opportunity to create technology that delivers real-world impact on a global scale. The Opportunity We are seeking a talented and experienced Senior Software Backend Developer to join our Edge Platform team based in Elstree, London. This is a hands-on engineering role where ...

Senior Backend Developer will be responsible for designing and implementing robust and scalable backend systems to support the company's iGaming products and services. About 5 Star iGaming Media 5 Star iGaming Media is a leading agency in the iGaming industry, providing a range of digital ...

Role Overview Multis UK Limited is hiring an experienced Senior Backend Developer to lead the architecture, development, and enhancement of production systems, REST APIs, and online marketplace platforms. The position features flexible work formats (part-time, full-time, or contract) in a fully remote environment, with … strong focus on AI-assisted software engineering. Key Responsibilities Backend & API Architecture: Design and build backend applications and REST APIs using PHP 8+ and SQL databases while refining existing production systems. Integrations & Automation: Manage search engine technologies, automation pipelines, and third‐party service integrations. Quality & Mentorship: Conduct code ...

Senior Backend Developer - Blockchain Infrastructure London, England Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory … be. Be Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Build Dream Teams. Who You Are: You'll design and build backend systems powering blockchain infrastructure and staking products across Galaxy — spanning Ethereum-based systems, staking infrastructure (native and liquid), and blockchain data systems and APIs. ...

BetStarters is seeking a Senior Backend Developer to design and implement robust backend systems powering our iGaming platform. The role focuses on scalable architectures, performance optimisations, and reliable services that underpin real-time gaming experiences. The ideal candidate will contribute to system design, code quality ...

Summary (List Format) for Sr Backend Developer - Position: Sr Backend Developer - Location: Dallas, TX (3 days onsite, 2 days remote) or New York, NY - Duration: Ongoing contract (no specified end date) Key Requirements: - 8-10+ years of software engineering experience - Strong Python development skills - Experience ...

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business … seamlessly from strategy, design and delivery to operations. This is a Hybrid role working from the London office 2 days a week. As a Senior Develope r at Waracle, you will play a pivotal role in shaping robust, scalable systems while fostering an inclusive environment where everyone can thrive. ...

Overview In this role you will build and evolve reliable, scalable backend systems for Tellent Recruitee, an Applicant Tracking System used by thousands worldwide. You will work within Team Hire to balance technical excellence with user impact, contributing to both new features and modernization efforts. Expect collaborative problem solving … plan, travel reimbursement, wellness perks 25+ holiday days with additional relaxation days MacBook and top-tier tooling Home office budget Verantwoordelijkheden Develop reliable, scalable backend solutions for Recruitee Modernize and improve existing codebase to boost performance and maintainability Design solutions balancing technical quality with customer needs Own features from ...

product suite beyond own area Drive continuous improvement and share ideas Work in a hybrid, cross-functional Agile environment Belangrijkste vereisten 8+ years of Backend Engineering experience Proficient in Kotlin/Java (17+) Experience with Microservices Architecture and Spring Framework Experience with Kafka, MongoDB, Postgres, and APIs (big plus ...

side components that integrate seamlessly with client applications. Contribute to architectural improvements and maintain high standards of code performance and maintainability. Build and extend backend features using internal and third‐party APIs (e.g., Modulr, Truelayer, Checkout.com) to support lending products including loan applications, collections, and payments. Develop internal tools … Work alongside front‐end and product teams to build innovative solutions that empower users to manage their finances more effectively. Experience designing and scaling backend services from scratch, with solid understanding of microservices architecture and distributed systems. Commercial experience in high‐scale startups. Years of experience is a poor ...

unified company, we’re combining expertise to offer a full-service, frictionless parking solution for both businesses and consumers. About the role The Senior Fullstack Developer ships high-impact product features across JustPark’s stack, working closely with product, design and other engineers to deliver value tocustomers. … design, build and ship features end-to-end across web, mobile or backend as needed, own meaningful pieces of the product surface and the systems that back them, and raise the bar on code quality, testing and engineering hygiene in your team. The role works with engineers in code ...

Are you ready to take your PHP skills to the next level? We are dedicated to providing ongoing support for an existing project built on Laravel/Symfony/React technologies. Our approach to implementing ...

better for UX than reinventing the wheel Job Requirements Interactively plagiarize covalent “outside the box” thinking vis-a-vis. Holisticly communicate integrated channels via backend interfaces. Authoritatively. Globally actualize effective processes through synergistic ROI. Interactively. Skill & Experience You have at least 3 years’ experience working as a Product Designer. ...

Senior Backend Node.js Developer at Cabiri, you will play a crucial role in designing, developing, and maintaining our software solutions. You will work collaboratively with cross‐functional teams, utilizing your expertise in back‐end technologies to create scalable and high‐performance applications. The successful candidate will ...

Citi Belfast is hiring Experienced Backend Java Developers to contribute to, and in some cases lead, the design and development of core backend services. The role spans Assistant Vice President to Senior Vice President levels, with a hybrid working model (up to 2 days from home ...

Xelix. If you’re excited about building something special with us, we’d love to hear from you. About the role We're seeking Senior Python Developers to join our back-end development team. This is a varied and challenging programming role. Tasks could include writing code to manage … Technical Task or Presentation – A role-relevant exercise to demonstrate your skills and approach. Final On-site Interview – An in-person meeting with our senior leadership team and co-founders at our office. We strive to make the process clear, efficient, and respectful of your time. We welcome ...