326 senior developer jobs found

About Us: Methods is a £100M+ IT Services Consultancy with over 30 years of experience, partnering with central government departments and agencies to transform public sector operations in the UK. As part of the Alten Group, we deliver people-centred, sustainable, and innovative solutions across IT environments. We pride ourselves on delivering excellence with a human touch. At Methods, we believe in fostering collaboration, learning from mistakes, and celebrating success while providing value and sustainability to our clients, staff, and communities. The Role: We are seeking a highly skilled and motivated Senior Developer with Front-End focus and active UK Security Clearance (SC minimum, DV preferred) to join our dynamic team. You will play a crucial role in the full software development life cycle, from design and development to testing and deployment, leveraging your expertise in modern JavaScript frameworks, Back End technologies, and cloud infrastructure. This is a...

About Us: Methods is a £100M+ IT Services Consultancy with over 30 years of experience, partnering with central government departments and agencies to transform public sector operations in the UK. As part of the Alten Group, we deliver people-centred, sustainable, and innovative solutions across IT environments. We pride ourselves on delivering excellence with a human touch. At Methods, we believe in fostering collaboration, learning from mistakes, and celebrating success while providing value and sustainability to our clients, staff, and communities. The Role: We are seeking a highly skilled and motivated Senior Developer with Front-End focus and active UK Security Clearance (SC minimum, DV preferred) to join our dynamic team. You will play a crucial role in the full software development life cycle, from design and development to testing and deployment, leveraging your expertise in modern JavaScript frameworks, Back End technologies, and cloud infrastructure. This is a...

About Us: Methods is a £100M+ IT Services Consultancy with over 30 years of experience, partnering with central government departments and agencies to transform public sector operations in the UK. As part of the Alten Group, we deliver people-centred, sustainable, and innovative solutions across IT environments. We pride ourselves on delivering excellence with a human touch. At Methods, we believe in fostering collaboration, learning from mistakes, and celebrating success while providing value and sustainability to our clients, staff, and communities. The Role: We are seeking a highly skilled and motivated Senior Developer with Front-End focus and active UK Security Clearance (SC minimum, DV preferred) to join our dynamic team. You will play a crucial role in the full software development life cycle, from design and development to testing and deployment, leveraging your expertise in modern JavaScript frameworks, Back End technologies, and cloud infrastructure. This is a...

Senior WordPress / Webflow Developer – Secure B2B Platform (Short Contract) Contract Type Freelance / Contract (1–2 weeks) Location Remote (UK preferred) Overview We are building a secure, low-complexity B2B sourcing website . This is not a marketplace, not SaaS, and not an AI-generated or experimental build. The objective is a launch-ready, stable, and secure platform that allows suppliers to submit products (including images) through controlled forms, with manual admin review and publishing . We are looking for one experienced, pragmatic developer who can deliver this cleanly, securely, and without over-engineering. What You Will Build A professional B2B website using WordPress or Webflow A secure supplier product submission form , including image upload A secure buyer enquiry form A manual admin review → publish workflow Compliance, disclaimer, privacy, and terms pages...

Senior WordPress / Webflow Developer – Secure B2B Platform (Short Contract) Contract Type Freelance / Contract (1–2 weeks) Location Remote (UK preferred) Overview We are building a secure, low-complexity B2B sourcing website . This is not a marketplace, not SaaS, and not an AI-generated or experimental build. The objective is a launch-ready, stable, and secure platform that allows suppliers to submit products (including images) through controlled forms, with manual admin review and publishing . We are looking for one experienced, pragmatic developer who can deliver this cleanly, securely, and without over-engineering. What You Will Build A professional B2B website using WordPress or Webflow A secure supplier product submission form , including image upload A secure buyer enquiry form A manual admin review → publish workflow Compliance, disclaimer, privacy, and terms pages A...

We are looking for an experienced Senior UI Developer  on a contract basis (Hybrid, London) having a strong focus on performance and scalability. The role involves analysing and optimising an existing Angular v20 application handling high data and user volumes. You will identify performance bottlenecks, improve front-end architecture, and implement best practices. This role requires deep expertise in Angular, RxJS, and lazy loading.    Key Skills:-  8+ years of front-end development experience with strong Angular expertise Hands-on experience with Angular v20 in large, complex applications Proven ability to optimise high-performance, high-volume front ends Analyse existing code to identify and resolve performance bottlenecks Strong understanding of Angular change detection and optimisation strategies Advanced knowledge of RxJS for efficient state and data flow management...

Senior Java/React Full Stack Developer Location: London or Newcastle, UK (Hybrid - ~1 day per week in office / onsite) Contract: Contract - 6 months with view to extend Day Rate: £550 - £600 per day - Outside IR35 About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy. We help organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering work focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. About the Role We are looking for a Senior Java/React Full Stack Developer to join Appvia on a contract basis, working as a hands-on engineering consultant within our Solutions Engineering team. This role is focused on modernising large, complex software systems, reducing technical debt, and improving...

Senior Java/React Full Stack Developer Location: London or Newcastle, UK (Hybrid - ~1 day per week in office / onsite) Contract: Contract - 6 months with view to extend Day Rate: £550 - £600 per day - Outside IR35 About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy. We help organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering work focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. About the Role We are looking for a Senior Java/React Full Stack Developer to join Appvia on a contract basis, working as a hands-on engineering consultant within our Solutions Engineering team. This role is focused on modernising large, complex software systems, reducing technical debt, and improving...

Overview We are seeking a Senior C#/.NET Developer to design, build, and lead the development of high-quality, scalable software solutions. This role combines hands-on engineering, technical leadership, and mentorship, playing a key role in architecture decisions and delivery excellence-particularly for systems that handle large, complex data sets and high-volume processing . Key Responsibilities Lead the design and development of applications using C#, .NET (.NET Core/.NET 6+) Design and optimize solutions that process and manage large-scale data sets with a focus on performance and scalability Define and enforce coding standards, architecture patterns, and best practices Architect scalable, secure, and maintainable solutions (monoliths or microservices) capable of handling high data throughput and concurrency Perform code reviews and mentor junior and mid-level developers Collaborate with product managers, architects, QA, and DevOps teams Translate...

As a Senior Dynamics 365 and Power Platform Developer, you will work within a multi-disciplined squad using several technologies to build enterprise grade services. You will be expected to be proactive and take accountability for the squad assigned deliveries. The role will also require the investigation, diagnosis and fix of any system issues. Main Duties Technical Be responsible for the design, coding, configuration, testing and documentation of large, complex or mission critical applications in a cloud first environment using Dynamics and Power Apps in MS Azure Configure and customise both model model-driven and canvas apps Develop Power Automate Flows via connectors to the Dataverse and other data sources Develop PowerApps integrations with other Azure components such as Logic Apps, Azure Service Bus and Azure Functions Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Work...

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...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...

. 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...

We are looking for an experienced Senior UI Developer  on a contract basis (Hybrid, London) having a strong focus on performance and scalability. The role involves analysing and optimising an existing Angular v20 application handling high data and user volumes. You will identify performance bottlenecks, improve front-end architecture, and implement best practices. This role requires deep expertise in Angular, RxJS, and lazy loading.    Key Skills:-  8+ years of front-end development experience with strong Angular expertise Hands-on experience with Angular v20 in large, complex applications Proven ability to optimise high-performance, high-volume front ends Analyse existing code to identify and resolve performance bottlenecks Strong understanding of Angular change detection and optimisation strategies Advanced knowledge of RxJS for efficient state and data flow management...

Join the Innovation at PrimeBase ! About Us Welcome to PrimeBase , where innovation meets technology to transform ideas into reality! We are a forward-thinking software development company dedicated to crafting cutting-edge solutions that revolutionize industries and streamline operations. At PrimeBase , we believe in the power of innovation to drive progress. Our team of skilled engineers, designers, and visionaries is passionate about creating user-centric software that empowers businesses to thrive in the digital age. Job Title: Senior Full Stack Developer (PHP;Javascript, HTML, CSS)-Turkish Speaker Location: Remote Responsibilities: Develop and maintain applications in accordance with modern web standards. Create robust and scalable back-end solutions using Laravel. Perform data modeling and optimization on MySQL and MongoDB databases. Enhance data storage and search performance using Redis and ElasticSearch. Design and develop...

We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...

Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and...