20 Senior Backend Developer Jobs

Senior Backend Developer Luminary is looking for a Senior Backend Developer who can architect and build stable, scalable, and secure APIs to support our growth. We are looking for an accomplished senior backend developer proficient in Node.js and SQL/NoSQL … on. Your expertise and insight will be instrumental in scaling our operations and realising our ambitious vision within the music tech industry. As a Senior Backend Developer at Luminary, you will work closely with Platform developers and clients of your APIs and report directly to the Platform … primarily on our Node.js, AWS-hosted stack, you will own Platform APIs and database design and lead the way to a best-in-class backend architecture. We do sprints and standups, communicate frequently, support each other, value each other’s opinions, and constantly strive to improve our working environment more »

Senior Backend Developer 1-year contract Inside IR35 - £450 per day East London location 2 days per week onsite Our client has developed a real-time travel app, the app launched on iOS devices in August 2020 and on Android in December 2020. The first phase included … of 4.7 and 4.4 respectively in the Apple and Android app stores. With this new workload in mind, we are looking to find a Senior Backend Developer to join on an initial 1-year contract. To be considered for this role you need to demonstrate proven experience … experience of working on complex and large-scale, cloud-based systems and unified API’s over the past 5 years Technical Skillset needed: The Senior Software Developer will have expert knowledge of defining and building integrated solutions using: CI/CD Pipelines Azure DevOps C# .NET Core ASP.NET more »

Senior Backend Developer (Python/Flask) - London/Remote - £75,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Backend Developer to work within their Digital team. The Digital Team operates like a … excellence along with the comfort of fantastic job security. You will be working in a cross-functional team made up of passionate frontend and backend developers, product owners, UX/UI designers, and platform engineers. They have several projects, including a new greenfield project in which you will play … a key part in working on their Python backend services, using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform, Datadog Requirements: - Python developer with 5+ years commercial experience - Experience building modern web applications, preference is REST more »

Senior Backend Developer, Node & Typescript Remote, DOE £75k/annum We are working with a fast-growing and award winning healthtech, using pioneering AI technology as the cornerstone of their digital products. An experienced Senior Backend Developer is needed to play a pivotal role more »

Senior Back End Developer (Java, SQL, API, XML, MySQL) Working from home (Travel to Belgium once a quarter) £65,000 - £75,000 + 10% performance related bonus + 4% pension contribution + Company benefits Are you a Senior Backend Developer looking to directly contribute to … team, with the purpose of building and maintenance of relevant back-end systems, tailored to clients needs. This role would suit a Back End Developer looking to have the freedom to be creative and directly contribute to the success of a company working on exciting Back-End projects where … successfully on all devices Remote working with quarterly visits to office base in Europe for essential project meets and team bonding exercise THE PERSON: Backend Developer Willing to travel to Belgium once a quarter Experience Java, SQL and MySQL Familiarity with JSON and XML Key words: Java, SQL more »

Back End Senior Developer Hybrid London 12 months contract Inside IR35 As a Senior Developer, you'll spearhead the design, development, and enhancement of integrated back-office solutions using Microsoft Development Technologies. Working closely with stakeholders, you'll ensure optimal solutions that meet requirements and adhere … Expect to collaborate on planning and estimation, integrating bespoke data sources, and engaging with third parties when necessary. As part of the Team the Senior Developer will be expected to contribute to planning and estimation of work required to achieve the Team deliverables. The Authority will be undertaking more »

Senior Backend .NET Developer (.NET, AWS, Terraform, DynamoDB) Location: Manchester - Hybrid (2 days a week in the office) Salary: up to £65,000 plus a great benefits package We are working with a leading organisation who is currently looking for a number of talented Senior .NET … clients. Embracing modern software development practices, they harness Cloud Technologies and DevOps principles to deliver robust, scalable, and secure systems. The Role: As a Senior .NET Developer, you will play a pivotal role in developing and maintaining the revolutionary connected data platform system. Collaborating closely with cross-functional … standards. Experience in Product-driven teams, thriving in Lean/Agile environments. Familiarity with Test Driven Development (TDD). To be successful in these Senior .NET Developer roles, you will need: Excellent interpersonal and communication skills. Ability to articulate arguments effectively to technical and non-technical stakeholders. Natural more »

Job Description Senior Backend Developer with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for … Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate … and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The salary for this role will be in the range £50K to £80K per year depending on experience. The Client more »

Job Description Senior Backend Developer with Umbraco C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for … Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate more »

a meaningful market share. Responsibilities Participate in the entire system lifecycle, focusing on coding and debugging Write clean code to develop functional web applications Backend development and support of the existing applications (new features, bugfixing, refactoring, performance optimization, localization, etc) Develop new products/modules from scratch Contribute to … project leads, designers to understand requirements for new features Follow emerging technologies and stay up to date with current best practices Project Tech Stack Backend: PHP 8, Symfony 4.4 , Terraform, Docker, Kubernetes, PostgreSQL, MySQL Frontend: Typescript 4.1, Redux, React-Redux, React 16.13, React-router, CSSModules, Babel, Eslint, Stylelint, Webpack … Autotests: js/ts, cypress Common: Jira, Teamcity, Github, AWS Requirements 7+ years of experience as a Backend developer on PHP Good understanding of front end development (Javascript+vue.js) (preferred) Participation in at least 2 projects at Senior Developer position Experience developing in Symphony framework Experience in more »

Role: Senior C# .Net Developer - Backend Location: North Nottingham, hybrid 2/week in office Salary: Up to £63K This has to be one of my all-time favourite companies to recruit for: they are so lovely. A long-standing client of Rebel’s, this company make … me happy- they value their staff. I’m looking for a senior or strong senior C# Developer to join a wonderful small-medium-sized company in North Nottingham, just off the M1 J26. Their beautiful offices have been done up professionally, and have barely been used, as … patterns, you know the score) is where they are at, and what they’d like you to be proficient with. This is mainly a backend role, so focussing on C#, .Net Core/7+, and SQL Server. There will be bits of ad-hoc front-end work involved with more »

Senior Back End Developer - 12 months - INSIDE IR35 Senior Back end Developer required for a 12 month assignment for an organisation based in South London. You will be site based two days per week. The Senior Developer will have expert knowledge of designing, building more »

Senior Back End Developer - Hybrid, Glasgow Salary - Up to £60,000 Head Resourcing is looking for an experienced Senior Back End Developer to join a Glasgow based Financial Services Client. This is a hybrid role with working from the office in Glasgow twice per week, please … ensure when applying you can commute to Glasgow twice per week. As Senior Developer within the IT Development Team you will be responsible for the design and development of coding solutions to support Project and BAU initiatives across the business. You will be required to help lead the more »

Senior C#.NET Developer London - Hybrid Working (2 days a week onsite) 12 Month Contract (12M Extension) Inside IR35 £550.00 - £650.00 per day DOE This is an excellent opportunity for a talented C#.NET Developer to join a well-known and established company on an initial 12-month contract. … Public Sector company where over 5 million people rely on their services on a daily basis, they are now looking to recruit a C#.NET Developer to drive their technical design and implementation. In this role you will design, develop and configure applications and tools in an Agile team. You … CI/CD, SQL and Agile Methodologies. Any experience with PowerShell and CosmosDB is desirable. This is a fantastic opportunity for an experienced C#.NET Developer to join a rapidly growing company in a highly technical and varied role. The Role: *Design, develop and configure applications and tools in an more »

Role: Senior Back End Developer (NodeJS) 🌍 Location: London/Hybrid (Once a week in the office) 🎹 Industry: Music Tech 💰 Salary: £90,000 + Benefits 🛠 Key Skills: JavaScript/TypeScript, NodeJS, AWS This is an exciting opportunity for a Senior Back End Developer skilled in NodeJS to … join a scaling Music-tech company who have big plans for 2024! As the Senior Back End Developer you will help architect and build stable, scalable, and secure APIs to support the growth whilst being given full autonomy to make decisions where you see fit. You will be … working primarily on the Node.js, AWS-hosted stack, whilst owning the Platform APIs and database design. Senior Back End Developer Responsibilities: Design, architect, and develop scalable, high-performance backend systems using Node.js and related technologies. Build robust and secure RESTful APIs to support the various internal products. more »

One of our public sector clients requires a Backend Developer to assist with an ongoing project. You will be responsible for making upgrades to an existing application using Microsoft Azure. Skills and experience required: Expert in deploying and maintaining high traffic APIs. Expert in investigating and diagnosing production more »

Daily rate : £430 inside IR35 Duration: 12months with possible 12 months extension Location: hybrid; 2days/w in London office The Senior Software Developer will have expert knowledge of defining and building integrated solution for using : Azure DevOps CI/CD Pipelines, C# .NET Core, ASP.NET Core, Azure … Cache, React, Typescript, JavaScript, CSS, HTML, PowerShell, Microsoft SQL Server, XML, Agile Scrum, Azure Cloud, Azure Active Directory B2C, Bicep, Microsoft Identity Platform. The Senior Software Developer will work with all others as necessary within the project including the Product Owners, Solution Architects, Tech Lead and other stakeholders more »

Senior Back End Developer Location: Remote, UK Salary: £90,000 - 100,000 Term: Permanent About the Centre for AI & Climate: We are a non-profit company building the tools that enable the application of machine learning and AI to accelerate climate action. We are a growing team dedicated … a natural language interface using an LLM that allows users to find and understand datasets. Coordinate with a front end designer, a front-end developer, and a product lead to identify, define, design and prioritise product feature development Manage input from data specialists to identify and integrate data sources more »

My client are looking for a Senior Cloud (NodeJS) Back-End Developer to join their software engineering team. Over the last few years, the team have built new and exciting services in their rapidly fast moving and changing sector and taken them live with major industry customers and … partners. There is plenty more greenfield development planned ahead and they are searching for a talented and experienced Senior Cloud (NodeJS) Back-End Developer who will embrace the unique opportunity to make a positive impact for the organisation. Developments are built on top of modern cloud infrastructure (they more »

providing the best in-car data and transaction services to make mobility ecological, efficient and convenient. We are searching for a talented and experienced Senior Python Engineer to join our growing team. This role will play a key part in developing and maintaining our APIs and data feeds, which … technical specifications. Our teams collaborate effectively, and foster a supportive and open environment. Experience mentoring and supporting junior developers is a plus, as our Senior Developers help build their capabilities and confidence. Requirements Worked in multiple, complex production environments as a Python engineer, with proven experience in designing, developing more »