66 senior backend developer jobs found

Senior Backend Developer (Fully Remote, Node.js) Contract: Outside IR35 Duration: 3 months, potential extension Start: ASAP Day Rate: £550/day Location: Fully Remote (UK hours)   The Role You'll join as a peer alongside our existing senior developers. You'll own features and integration workstreams end to end, with collaboration through code review and shared technical decision-making.   The work splits roughly 75/25 between API development for our FHIR-based clinical platform and third-party integrations. Genuinely interesting domain problems, not generic CRUD. Features are scoped collaboratively with product. You'll own implementation through to deployment, with your peer as code review partner.   What you'll work on Building and extending RESTful APIs in TypeScript and Node.js Integrating with third-party platforms including cal.com, Awell (clinical workflow engine) and healthcare data...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

. Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

. Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

. Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future. Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet. We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

Waracle is looking for a Lead or Senior Backend 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This role is open to permanent or contract (Inside IR35) candidates and is a hybrid working role based from any Waracle office (Glasgow, Edinburgh, Dundee or London). Are you a technical expert who enjoys solving complex puzzles and helping others grow? We are looking for a Lead or Senior Developer who values collaboration and technical excellence in equal measure. Whether you are already...

6 Month Contract   London or Manchester     We are seeking a highly skilled Senior Product Develope r to join our team and play a key role in building and enhancing our Intranet Product. This position requires deep expertise in SharePoint development and integration, combined with strong proficiency in modern web technologies and cloud services.  This role sits within our award-winning Fresh team, which creates beautiful, personalised intranets that empower people to do their best work. You can find out more about our Fresh business here About Fresh | Fresh Intranet    Recent MSP winners of the UK MSP of the year at 2025 MSP Channel Awards Join an award-winning Microsoft partner and leading technology provider for mid-market businesses. Read more about our Microsoft Designations and Awards here we are also one of the first to achieve the newly launched Microsoft Support Services Designation       Salary...

6 Month Contract   London or Manchester     We are seeking a highly skilled Senior Product Develope r to join our team and play a key role in building and enhancing our Intranet Product. This position requires deep expertise in SharePoint development and integration, combined with strong proficiency in modern web technologies and cloud services.  This role sits within our award-winning Fresh team, which creates beautiful, personalised intranets that empower people to do their best work. You can find out more about our Fresh business here About Fresh | Fresh Intranet    Recent MSP winners of the UK MSP of the year at 2025 MSP Channel Awards Join an award-winning Microsoft partner and leading technology provider for mid-market businesses. Read more about our Microsoft Designations and Awards here we are also one of the first to achieve the newly launched Microsoft Support Services Designation       Salary...

About Us We are a technology solutions provider specialising in the public sector. Our mission is to help government organisations become truly data-driven by transforming their digital services, streamlining operational processes, improving citizen outcomes, and enhancing transparency across public services. We work closely with government bodies to design and deliver modern, secure, and scalable digital solutions that have real-world impact. The Role We are looking to engage a Full Stack Developer on a contract basis to support the delivery of high-quality digital services within the UK public sector. You will play a key role in designing, building, and maintaining robust full-stack applications, working closely with multidisciplinary teams including product managers, designers, and other engineers. This role requires a hands-on senior developer who is comfortable working across the full software development lifecycle and who understands the standards,...

Waracle are looking for a Senior Java Developer for an exciting new contract 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 and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a Hybrid role working from our Glasgow office 2 days a week and is an Inside IR35 contract role   The Opportunity Are you a thoughtful problem-solver who enjoys deconstructing complex systems to build something better? We are seeking a collaborative Senior Java Developer to play a pivotal role in a high-priority migration project. You will focus on...