252 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...

An active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active SC clearance.    The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   Electronic Monitoring Acquisitive Crime (EMAC) is a team...

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 KDB+ Developer on a contract basis (INSIDE IR35) to design, build, and enhance real-time and historical time-series data solutions within a leading financial services environment. The role involves hands-on development in KDB+/q , performance optimisation, and low-latency analytics for trading, risk, and market-data platforms. You will collaborate closely with traders, quants, technology teams, and data engineering groups. Strong experience with high-volume, high-frequency financial data is essential. Prior work within investment banking, trading desks, or hedge funds is required. Skills:- Design and develop KDB+/q applications and data models Build and maintain high-performance in-memory time-series databases Implement real-time and historical data ingestion pipelines Optimise q queries for speed, scalability, and memory efficiency Support trading, risk, and quant teams with analytical tooling Enhance and...

Contract Java Developer We are looking for a Senior Angular Developer to join us on a 12 month contract, £550-600 per day. Key Skills: Proven development experience of working as a Lead Engineer in a commercial development team with an expert understanding of Angular, React, Typescript or similar technologies, and Java (back end), with wider experience in different tools and frameworks across the stack. Commercial experience working with agile methodologies. The ability to take clients wider business concerns into account when making technical decisions and dealing with the challenges from stakeholders that come with this. Experience of implementing architecture, DevOps, performance or security and an understanding and ownership of best practice as a Lead Engineer (eg. TDD, SOLID, XP) Comfortable mentoring junior engineers and supporting Squad Leads, with the attributes to provide technical guidance as the most senior engineer on a project and...

Contract Java Developer We are looking for a Senior Angular Developer to join us on a 6 month contract, £550-600 per day.   Key Skills:   Proven development experience of working as a Lead Engineer in a commercial development team with an expert understanding of Angular, React, Typescript or similar technologies, and Java (back end), with wider experience in different tools and frameworks across the stack. Commercial experience working with agile methodologies. The ability to take clients wider business concerns into account when making technical decisions and dealing with the challenges from stakeholders that come with this. Experience of implementing architecture, DevOps, performance or security and an understanding and ownership of best practice as a Lead Engineer (eg. TDD, SOLID, XP) Comfortable mentoring junior engineers and supporting Squad Leads, with the attributes to provide technical guidance as the most senior engineer...

. 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 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 looking for an experienced KDB+ Developer on a contract basis (INSIDE IR35) to design, build, and enhance real-time and historical time-series data solutions within a leading financial services environment. The role involves hands-on development in KDB+/q , performance optimisation, and low-latency analytics for trading, risk, and market-data platforms. You will collaborate closely with traders, quants, technology teams, and data engineering groups. Strong experience with high-volume, high-frequency financial data is essential. Prior work within investment banking, trading desks, or hedge funds is required. Skills:- Design and develop KDB+/q applications and data models Build and maintain high-performance in-memory time-series databases Implement real-time and historical data ingestion pipelines Optimise q queries for speed, scalability, and memory efficiency Support trading, risk, and quant teams with analytical tooling Enhance and...

About The Role Senior Applications Developer Contract: March 2026 Working Hours : Full-Time Salary : £384.14 PAYE / £500.00 Umbrella, daily rate Closing Date : Monday 22nd December 2025 About The Role Essex County Council is ambitious and by 2030 it will be one of the most forward looking, effective and financially sustainable Councils in the country. ECC will be a leading-edge digital council that drives excellent customer service with transformation at the heart of service excellence. The Product and Delivery team will provide product leadership and direction for essex.gov.uk. They will develop a bold product vision, translating this into a roadmap of prioritised deliverables, planning and managing the different phases of the product delivery lifecycle, iterating a product over time to meet user needs, and ensuring products are built effectively, on time and to budget, setting high standards to ensure products meet user needs. The team...

. 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 looking for an experienced KDB+ Developer on a contract basis (INSIDE IR35) to design, build, and enhance real-time and historical time-series data solutions within a leading financial services environment. The role involves hands-on development in KDB+/q , performance optimisation, and low-latency analytics for trading, risk, and market-data platforms. You will collaborate closely with traders, quants, technology teams, and data engineering groups. Strong experience with high-volume, high-frequency financial data is essential. Prior work within investment banking, trading desks, or hedge funds is required. Skills:- Design and develop KDB+/q applications and data models Build and maintain high-performance in-memory time-series databases Implement real-time and historical data ingestion pipelines Optimise q queries for speed, scalability, and memory efficiency Support trading, risk, and quant teams with analytical tooling Enhance and...

Senior Java Developer - London (Contract Outside IR35) WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Java Developer services on an exciting project! THE SERVICES REQUIRED: A JVM lover who really enjoys working with the latest technologies and design patterns Eager to solve complex technical challenges, especially in cloud-based environments...

ROLE: Senior Full Stack Developer - Contract OFFICE: London   We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing – the way fans spend their money, the events that fans attend, the channels fans respond to, the content fans watch and more. And we use the understanding this gives us to help our clients grow. Grow their audiences and grow their revenues - both direct to consumer and business to business revenues. Our platforms and services are trusted by over 900 clients globally, including the English Premier League, Red Bull, UEFA, VISA, the NFL, Nike and Amazon. We are almost 1000 people, based out of 14 offices, and we deliver work for sports and entertainment businesses of all shapes and sizes all over the world   JOB DESCRIPTION As part of our ongoing growth,...

Senior Unity Developer (Mobile/iOS) Location: Remote   About the Role We’re looking for a highly skilled Senior Unity Developer with deep experience building and shipping mobile applications, specifically for iOS . You’ll play a key role in designing, developing, and optimizing our mobile experiences, integrating third-party SDKs, and ensuring smooth and scalable performance across devices. What You’ll Do Lead the development of mobile features and systems using Unity targeting iOS . Integrate and maintain third-party SDKs, including Facebook , Firebase , TikTok , and other mobile-focused services. Architect, implement, and optimize asset management pipelines using Asset Bundles and Unity Addressables . Design clean, modular project structures using .asmdef files for improved compile times and dependency control. Collaborate closely with product, design, and QA teams to deliver high-quality user...