25 web developer jobs found in London

Backend Developer - Web/Game Infrastructure (Contract) PRELOADED Contract: (Hybrid/Remote) Overview We’re seeking a seasoned Backend Developer with a proven track record in building scalable and robust architectures, and an instinctive understanding of how to deliver seamless digital experiences. You will work closely with the game team and technical leads to create and explore new and exciting backend services, working on groundbreaking projects with cutting-edge technologies. Specifically, you will be implementing and optimising microservices for a high-traffic, digital platform. Key Responsibilities Work closely with the Technical team to design and develop scalable and robust microservices. Collaborate with the wider technical teams/ partners to design and develop data models, APIs, and integration patterns. Delivering high-performance, secure, and maintainable backend services through technical innovation, creative thinking, and efficient...

About Fliprly Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps (at...

Fliprly is the world’s first and only mobile app dedicated to buying and selling domains, websites, mobile apps, and other digital assets. Our iOS app and web platform are live, and we’re now ready to expand our reach with a robust Android app. Join us on this exciting journey to revolutionize the digital asset marketplace! What We’re Looking For We’re seeking a skilled Android Developer (freelancer or agency) to build the Android version of Fliprly from scratch. You’ll work closely with our existing team and leverage our iOS/web apps as references for functionality and design consistency. Responsibilities Build a high-performance Android app using Java. Translate our iOS design and features into the Android ecosystem. Integrate APIs and backend services (already available). Ensure a smooth, responsive, and bug-free user experience. Requirements Proven experience building Android apps (at least 4 solid live...

Azure Cloud Developer Contract 3 months + Azure Cloud Developer Contract 3 months + Role type: Contract Location: UK, London, Remote Preferred start date: ASAP LIFE AS A SATALIAN As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in industry. Satalia, a WPP Company, is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight knit team of high performing colleagues. Led by our founder (who is also WPP’s Chief AI Officer), Satalia’s ambition is to become a decentralised organisation of the future. Today this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice...

Delivery Manager Location: London / Remote Contract: Freelance / FTC / Full-Time   Who We Are Chesamel Group is an agile consultancy headquartered in London, focused on driving extraordinary growth for forward-thinking businesses through innovative, bespoke solutions. The team challenges traditional thinking to deliver transformative business outcomes using human ingenuity and advanced technology.   We listen with intent, connect brilliant minds, develop bold ideas, and create solutions so our partners achieve extraordinary success. Which is why some of the world’s biggest and best-known tech companies choose to work with us.   Join our Talent Pool We are preparing for several high-impact projects which are due to launch over the next couple of months and looking to build up a network of highly talented professionals that we can work with on short notice or on a rolling basis.   Core Responsibilities:...

Product Manager / Technical Lead Location: London / Remote Contract: Freelance / FTC / Full-Time   Who We Are Chesamel Group is an agile consultancy headquartered in London, focused on driving extraordinary growth for forward-thinking businesses through innovative, bespoke solutions. The team challenges traditional thinking to deliver transformative business outcomes using human ingenuity and advanced technology.   We listen with intent, connect brilliant minds, develop bold ideas, and create solutions so our partners achieve extraordinary success. Which is why some of the world’s biggest and best-known tech companies choose to work with us.   Join our Talent Pool We are preparing for several high-impact projects which are due to launch over the next couple of months and looking to build up a network of highly talented professionals that we can work with on short notice or on a rolling basis.   Core...

The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   Job Purpose:   We are the Cabinet Office’s cyber security team, and our mission is to secure the department against cyber threats. We protect our nationwide internal IT infrastructure, and high-profile citizen-facing digital services such as GOV.UK.   As a Business Analyst , your main responsibilities will be:  To act as a crucial bridge between business stakeholders and technical teams, focusing on designing, configuring and optimising Jira Service Management (JSM) to improve service delivery.   Collaborate and work closely with different...

Please note, 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 security clearance.)    This role may also involve some work in the evenings / weekends.    The Cabinet Office supports the Prime Minister and ensures the effective running of government. The Cabinet Office is also the corporate headquarters for the government, in partnership with HM Treasury, and takes the lead in certain critical policy areas. More information about the Cabinet Office can be found on its website at: www.gov.uk/government/organisations/cabinet-office   As a Microsoft Native Tooling Migration Engineer you will execute migrations of...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Waracle are looking for a Principal 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.   Role Overview   Are you a strategic thinker who enjoys nurturing talent as much as solving complex technical puzzles?   We are looking for a collaborative Principal Developer to act as a technical North Star across multiple squads. In this role, you’ll move beyond just writing code to shaping the very architecture of our digital products, ensuring they...

Job Summary We are seeking a highly skilled Data Architect specialising in AI Discovery to join our innovative team. The successful candidate will be responsible for designing, developing, and maintaining robust data architectures that support advanced AI and big data initiatives. This role offers an exciting opportunity to work with cutting-edge technologies and contribute to transformative data-driven projects within a dynamic organisation. The position is paid and suitable for professionals eager to leverage their expertise in cloud platforms, data modelling, and large-scale data processing. Responsibilities Design and implement scalable, efficient data architectures supporting AI discovery initiatives. Develop and maintain data models, database designs, and data warehouses aligned with organisational needs. Collaborate with cross-functional teams to define data requirements and translate them into technical solutions. Manage integration of diverse data...

Managing pricing and rebates shouldn’t be a hassle. Enable’s intelligent platform is built for the speed of today’s market, eliminating disconnects between pricing strategy and rebate execution. We help companies to increase profitability and simplify the complex with accurate, AI-powered insights, real-time performance monitoring, agreement optimization, and simplified rebate management. After securing $291M in Series A-D funding and acquiring Flintfox in 2025, Enable is positioned for continued, significant growth. Since the launch of our flagship product in 2016, we have been rapidly scaling our client base, product offerings, and built a team of top-tier professionals committed to reshaping the industry. Want a glimpse into life at Enable? Visit our Life at Enable page to learn how you can be part of our journey. Job Summary To provide high-quality software implementation expertise to Enable customers. The Consultants act as the conduit between the...

Senior Automation Quality Engineer - Contract Working at CreateFuture CreateFuture  is an  AI-native consulting partner  where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with our clients, challenging what’s not working and helping them to build the future. Our commitment to craft, quality, and culture has helped us scale to over 600 people in just a few years. CreateFuture is a  Great Place to Work-Certified™ company  and has won Best Workplaces UK multiple years in a row. Join us on our journey. Let’s create tomorrow,...

Salesforce Marketing & Analytics Specialist Location: Remote / London / Germany Contract: Initial 10 day could be extended to 1 month Language: German (Fluent) & English (Fluent)   Who We Are Chesamel Group is an agile consultancy headquartered in London, focused on driving extraordinary growth for forward-thinking businesses through innovative, bespoke solutions. The team challenges traditional thinking to deliver transformative business outcomes using human ingenuity and advanced technology.   We listen with intent, connect brilliant minds, develop bold ideas, and create solutions so our partners achieve extraordinary success. Which is why some of the world’s biggest and best-known tech companies choose to work with us.   The Role This role is for a high-intensity 10-day diagnostic sprint focused on DACH market operations. You will serve as the technical Sprint Lead, investigating significant revenue...

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Waracle are looking for a Principal 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.   Role Overview   Are you a strategic thinker who enjoys nurturing talent as much as solving complex technical puzzles?   We are looking for a collaborative Principal Developer to act as a technical North Star across multiple squads. In this role, you’ll move beyond just writing code to shaping the very architecture of our digital products, ensuring they...

Full job description Job Summary We are seeking a highly skilled Data Architect specialising in AI Discovery to join our innovative team. The successful candidate will be responsible for designing, developing, and maintaining robust data architectures that support advanced AI and big data initiatives. This role offers an exciting opportunity to work with cutting-edge technologies and contribute to transformative data-driven projects within a dynamic organisation. The position is paid and suitable for professionals eager to leverage their expertise in cloud platforms, data modelling, and large-scale data processing. Responsibilities Design and implement scalable, efficient data architectures supporting AI discovery initiatives. Develop and maintain data models, database designs, and data warehouses aligned with organisational needs. Collaborate with cross-functional teams to define data requirements and translate them into technical solutions....

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial...

Location: London, Marlow Business Function: Internal Technology Full time or Part time?: Full Time Vacancy Type: Day Rate Contract Would you like to kick start your career in a supportive, collaborative and innovative company? Do you enjoy working as part of an enthusiastic, passionate, and collaborative team?     Join our IT Team!  IT systems play a pivotal role in Softcat's success. As our business grows and evolves it is essential, we have a set of reliable, scalable yet flexible systems that are designed to ensure ease of doing business for our customers and employees. The Business Systems Team are responsible for the design, delivery, and management of these key business applications. Success. The Softcat Way.   Passion. Intelligence. Fun. Responsible; these are the core values which define Softcat. We are one of the UK's leading IT...

Waracle are looking for a Principal 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.   Role Overview   Are you a strategic thinker who enjoys nurturing talent as much as solving complex technical puzzles?   We are looking for a collaborative Principal Developer to act as a technical North Star across multiple squads. In this role, you’ll move beyond just writing code to shaping the very architecture of our digital products, ensuring they...