21 web developer jobs found in London

We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)

Senior Test Analyst – Manual - Retail Banking Payments Transformation | Contract – Up to £425/day | Hybrid Central London - June Start   Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do,...

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...

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...

We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

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...

Role information Day Rate Contract £400–£500 per day Outside IR35 London - 4 days per week in office (Fleet Street) 3 months contract (potential for monthly rolling thereafter) Start date - from 27th April 2026   Legal 500 is an data-driven, AI-optimised research platform which benchmarks, informs and connects providers and users of legal services in over 100 countries worldwide. We are looking for an experienced Backend PHP Developer to join on a 3‑month contract. This role is ideal for someone comfortable reading and working within an existing codebase and improving it pragmatically to support our existing WordPress CMS whilst we continue building a new platform to replace it. What you’ll be doing Working hands-on with an established PHP codebase Developing and maintaining MySQL databases Supporting and extending WordPress-based functionality Effectively reading, understanding and navigating...

Date Opened 21/04/2026 Job Type Contract About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of more than  40 million UK citizens . We are committed to  user-centred design ,  agile delivery , and driving innovation in digital services that truly matter. Role Overview We are seeking an experienced  Data Engineer  to design, build, and maintain data products and a modern  Strategic Data Platform . You will work within multi-functional  Agile delivery teams , ensuring operational stability, ongoing support, and continuous enhancement of data solutions. This role is ideal for someone with strong  Azure data engineering experience , excellent  SQL and Python  capability, and a passion for building  scalable, reliable...

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....

Job Title: Product Manager – Golden Phoenix Data & AI Foundations Department: Technology Digital Delivery – Supply Trading & Shipping Contract: Inside IR35 Domain (Finance / Utilities.. etc): Finance Base location: London Hybrid work options (number of days on site) : 4 Days onsite needed at London office Role Overview: We are seeking a Product Manager to lead the strategy, development, and scaling of three foundational product areas within the Data & AI portfolio: Unstructured Data Service Variable Latency Streaming Core AI Components These capabilities form the backbone of next‑generation AI, and business intelligence across bp’s Supply, Trading & Shipping organisation. The Product Manager will define product strategy, prioritise outcomes, and work closely with delivery leads, engineers, data scientists, other delivery teams, and business stakeholders to deliver scalable,...

Unity Developer/ Unreal Developer/ XR Developer Polar Media are seeking creative, passionate and knowledgable XR Developers to join the freelancer pool for our interactive depeartment. We are looking for individuals who have an interest in science and technology and can think methodically and laterally in order to integrate creative ideas. At Polar Media, the interactive department works on severals projects at a time with a focus on science and technology brands. We engage audiences with experiences they'll remember through an amalgamation of physical inputs, graphical displays and networking of data sources. In other words, we use any and all methods available to us to achieve the best results for our clients and ultimately give any experience we produce real impact. Being in this freelancer pool does not gaurantee work, but it will be the first location we go to fill roles. We currently work heavily with Unity (but are looking to develop our Unreal pipeline)...

Key Responsibilities: · Opportunity Identification & Mobilization o Partner with business and operational leaders to identify transformation opportunities across hospitality, operations, and technology. o Assess viability, alignment to business goals, and strategic impact of new ideas. o Facilitate discovery workshops and early business case development. · Project Planning & Commercial Approval o Rapidly develop initial project charters, timelines, and high-level delivery roadmaps. o Lead cost-benefit analysis and support commercial approvals in alignment with transformation governance. o Ensure risk, impact, and stakeholder assessments are in place for early decisions. · Team Mobilization & Delivery Kick-off o Build and align cross-functional teams to kick off approved initiatives. o Establish delivery governance, cadence, reporting structures, and KPIs. o Lead early-stage execution (typically 6–12...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

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...

Company Overview Dukes Education Ltd is a family of schools and educators dedicated to providing children with the foundations for an extraordinary life through quality education. Our diverse community includes nurseries, prep schools, senior schools, 6th form colleges, international summer courses, summer camps, and university preparation consultancies. Job Overview We are seeking a experienced SEO and AI Search specialist with strong content experience to improve the digital visibility of a group of international schools and colleges. The role combines technical SEO, AI search optimisation, and content development across multiple school websites. A core objective of this role is to improve the quality, relevance, and discoverability of website content, ensuring it performs well in both traditional search engines and emerging AI-powered search systems. Candidates should have experience creating or directing high-performing SEO content and optimising websites...

Job Title: Product Manager – Golden Phoenix Data & AI Foundations Department: Technology Digital Delivery – Supply Trading & Shipping Contract: Inside IR35 Domain (Finance / Utilities.. etc): Finance Base location: London Hybrid work options (number of days on site) : 4 Days onsite needed at London office Role Overview: We are seeking a Product Manager to lead the strategy, development, and scaling of three foundational product areas within the Data & AI portfolio: Unstructured Data Service Variable Latency Streaming Core AI Components These capabilities form the backbone of next‑generation AI, and business intelligence across bp’s Supply, Trading & Shipping organisation. The Product Manager will define product strategy, prioritise outcomes, and work closely with delivery leads, engineers, data scientists, other delivery teams, and business stakeholders to deliver scalable,...

Key Responsibilities: · Opportunity Identification & Mobilization o Partner with business and operational leaders to identify transformation opportunities across hospitality, operations, and technology. o Assess viability, alignment to business goals, and strategic impact of new ideas. o Facilitate discovery workshops and early business case development. · Project Planning & Commercial Approval o Rapidly develop initial project charters, timelines, and high-level delivery roadmaps. o Lead cost-benefit analysis and support commercial approvals in alignment with transformation governance. o Ensure risk, impact, and stakeholder assessments are in place for early decisions. · Team Mobilization & Delivery Kick-off o Build and align cross-functional teams to kick off approved initiatives. o Establish delivery governance, cadence, reporting structures, and KPIs. o Lead early-stage execution (typically 6–12...

We are looking for Senior Java Developers to join on a contract basis (Inside IR35) . The ideal candidate will have experience building scalable microservices, working with event-driven systems, and deploying applications using containerized and cloud technologies. You will contribute to developing reliable backend services and help modernize legacy systems into cloud-ready architectures. Key Skills & Responsibilities Strong experience with Java (latest versions) and Spring Boot Experience designing and developing Microservices architectures Solid understanding of backend design patterns and best practices Experience working with SQL databases, particularly PostgreSQL Knowledge of Object-Oriented programming principles (OCP) Experience with event streaming platforms such as Kafka or RabbitMQ Hands-on experience with Docker and Kubernetes Experience working with AWS or other cloud platforms Ability to build scalable, reliable, and...

  400 - 500 outside City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting:   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter   Preferred Tech Stack Expertise Cloud Infrastructure : AWS (EKS, RDS, Aurora, ElastiCache, Kafka, IAM) Secure Hosting : Experience working with air-gapped or government-secure environments Container & Cluster Management : Docker, Kubernetes, Rancher, Jenkins, Helm Monitoring & Observability : Prometheus,...