142 lead developer jobs found

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...

Job Title: Sr/ Lead Frontend Developer (React) Location: London or Birmingham Position Type: Contract   Job Description:   Key Responsibilities - Build and maintain reusable UI components within the ARC Design System using React - Partner with UX/UI designers to translate Figma specifications into robust, accessible, and high‑performance components - Document components in Storybook to drive adoption and provide clear usage guidelines for developers - Uphold design system standards and best practices to ensure consistency and scalability across applications - Write and maintain unit and end‑to‑end tests using Jest and Cypress - Improve developer experience through better tooling, documentation, and onboarding resources - Gather feedback from cross‑functional teams and iterate on design system features - Ensure compliance with WCAG accessibility standards and optimize performance - Participate in code reviews, maintain...

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...

Job Title: Sr/ Lead Frontend Developer (React) Location: London or Birmingham Position Type: Contract Job Description: Key Responsibilities - Build and maintain reusable UI components within the ARC Design System using React - Partner with UX/UI designers to translate Figma specifications into robust, accessible, and high‑performance components - Document components in Storybook to drive adoption and provide clear usage guidelines for developers - Uphold design system standards and best practices to ensure consistency and scalability across applications - Write and maintain unit and end‑to‑end tests using Jest and Cypress - Improve developer experience through better tooling, documentation, and onboarding resources - Gather feedback from cross‑functional teams and iterate on design system features - Ensure compliance with WCAG accessibility standards and optimize performance - Participate in code reviews, maintain high‑quality standards, and advocate for...

Role: Pega Developer Location: Leeds/ London, UK (Hybrid) Contract : 6+ Months contract     Share your CV at snehasingh@rezolve.com     Key Responsibilities: Experience: · Proven experience as a Pega Developer. · Hands-on project experience with Pega Customer Service Framework and Pega CLM/KYC implementations will be added benefit but not must. · Familiarity with SQL databases and their integration with the Pega Platform. Certifications: · Pega Certified Senior System Architect (CSSA) or Lead System Architect (v8 preferred). Technical Skills Core Technical Competencies: · Strong knowledge of Pega architecture, design patterns, and development tools. · Proficiency in Pega PRPC, BPM, and CRM platforms. · Experience with Java, JavaScript, HTML, CSS, and XML. · Understanding of databases like Oracle, SQL Server, and MySQL....

Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of...

About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical...

Job description Job Title: Android Developer (Contract) Location Hybrid: The role will be predominantly remote and you are required to be in the London client office on an adhoc basis. Target Start Date: ASAP February 2026 Contract duration : 4 months (potential to extend) Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   About the Project We are seeking an experienced Android Developer to work with Public Sector/Government clients. The ideal candidate will have extensive experience in...

  Title of role – Desktop Engineer E3 Location – London ONsite Employment Type – Contract – 6 Months       Job Description: Desktop Engineer Position Overview We are seeking a highly skilled Desktop Engineer to join our global End User Computing team. This individual will be responsible for engineering, deploying, automating, and supporting the modern Windows desktop environment across the enterprise. The role requires deep technical expertise, strong problem‑solving abilities, and the ability to operate effectively within a fast‑paced, global environment. You will work closely with other engineering teams, service operations, and security stakeholders to ensure a secure, highly available, and seamless experience for all end users.   Key Responsibilities Windows Engineering & Endpoint Platform Engineer, maintain, and optimize a global Windows 11 desktop...

iOS Engineer - Contract (Outside of IR35) As an iOS Developer, you will have the opportunity to build and lead solutions that engage millions of sports fans worldwide. Working with a wide range of data sources and native technologies, building bespoke UI experiences for sports fans. At Pulselive, we pride ourselves in providing a collaborative environment that ensures we produce leading products across web and native applications. Contractor Outside of IR35 Day Rate: £400 - £500 per day   Responsibilities Being a self-sufficient individual contributor, breaking down work into manageable pieces, calling out blockers and dependencies and delivering solution in a timely manner Managing code releases to internal environments (dev, test); may also need to manage code release to external environments (production) Producing code to a high standard that not only functions correctly but can be...

Senior Microsoft 365 & Azure Systems Engineer (Hybrid – 50% Office Based) Location: Hybrid – minimum 50% onsite at our offices near Heathrow Hours: Part-time / Flexible Contract: Permanent or Contract (open to discussion) About the Role We are a UK-based same-day courier and logistics company near Heathrow. We are seeking a senior, experienced Microsoft 365 & Azure Systems Engineer to take full ownership of our Microsoft environment and internal business systems. This role is not remote-only . You must be able to attend our offices at least 50% of the time and work closely with our operations team. A key part of the role is the design and build of Microsoft-native business applications , including the long-term development of a Transport Management System (TMS) using Microsoft technologies. Key Responsibilities Own and manage our Microsoft 365 Business Premium environment Administer and optimise: Entra ID...

Job Title: Data Migration Analyst – Data Migration Project Reporting to: Head of Data Governance Position Type: 6 month contract, Outside IR35   Why Tokio Marine HCC? Standing still is not an option in the current world of Insurance. TMHCC are one of the world’s leading Specialty Insurers. With deep expertise in our chosen lines of business, our unparalleled track record and a solid balance sheet, TMHCC evaluates and manages risk like no one else in the industry. Looking beyond profit, empowering our people and delivering on our commitments are at the core of our customer values, and so is a desire to grow and provide creative and innovative solutions to our clients.   About Operations Operations sits at the heart of TMHCC, we ensure the smooth running of all business processes — from policy administration and claims handling to data, technology, and delivery. We focus on driving efficiency which enables our teams...

Essential Skills & Experience: · Proven experience in UI/UX design for self-service platforms or similar digital products. · Proficiency in design tools such as Figma, Adobe XD, or Sketch. Strong knowledge of responsive design principles and web/mobile best practices. · Experience conducting user research and usability testing to drive design improvements. · Familiarity with accessibility standards (e.g., WCAG 2.1) and inclusive design principles. · Ability to work in an Agile environment, delivering iterative design solutions in collaboration with cross-functional teams. · Excellent communication skills to articulate design decisions and gather stakeholder feedback effectively Familiarity with GDS Service Standards and the Digital Service Assessment process Work with clients to design and develop digital services that are user-friendly, accessible, and compliant with GDS standards. Lead the development of service blueprints, user journeys, and wireframes. Advise...

About the Role The Dynamics 365 Developer reports into the Complex Case Management Team DevOps Lead. The role will have a close working connection with IT teams, Partners/3rd parties, Operational Teams and Service Management. Responsibilities · Agile Practices: Integrate and support with agile based product development ceremonies such as sprint planning, standups, retrospectives and backlog grooming. · Solution Design and Development: Lead the design and development of custom solutions within Dynamics 365 and Power Platform, ensuring they meet business needs and align with best practices. · System Integration: Integrate Dynamics 365 with other systems and applications, ensuring seamless data flow and process automation. · Customization and Configuration: Customise and configure Dynamics 365 and Power Platform applications to meet specific business requirements. · Technical Leadership: Provide technical guidance and mentorship to junior developers and other team...

    Job description Job Title: Android Developer (Contract) Location Hybrid: The role will be predominantly remote and you are required to be in the London client office on an adhoc basis. Target Start Date: ASAP February 2026 Contract duration : 4 months (potential to extend) Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   About the Project We are seeking an experienced Android Developer to work with Public Sector/Government...

Senior Microsoft 365 Power Platform Developer (Power Apps & Power Automate) Senior Microsoft 365 & Azure Systems Engineer (Hybrid – 50% Office Based) Location: Hybrid – minimum 50% onsite at our offices near Heathrow Hours: Part-time / Flexible Contract: Permanent or Contract (open to discussion) About the Role We are a UK-based same-day courier and logistics company near Heathrow. We are seeking a senior, experienced Microsoft 365 & Azure Systems Engineer to take full ownership of our Microsoft environment and internal business systems. This role is not remote-only . You must be able to attend our offices at least 50% of the time and work closely with our operations team. A key part of the role is the design and build of Microsoft-native business applications , including the long-term development of a Transport Management System (TMS) using Microsoft technologies. Key Responsibilities Own and manage our...

iOS Engineer - Contract (Outside of IR35) As an iOS Developer, you will have the opportunity to build and lead solutions that engage millions of sports fans worldwide. Working with a wide range of data sources and native technologies, building bespoke UI experiences for sports fans. At Pulselive, we pride ourselves in providing a collaborative environment that ensures we produce leading products across web and native applications. Contractor Outside of IR35 Day Rate: £400 - £500 per day   Responsibilities Being a self-sufficient individual contributor, breaking down work into manageable pieces, calling out blockers and dependencies and delivering solution in a timely manner Managing code releases to internal environments (dev, test); may also need to manage code release to external environments (production) Producing code to a high standard that not only functions correctly but can be...

Role Overview We are looking for a hands-on Salesforce Technical Architect who combines deep platform expertise with strong architectural discipline. This role is responsible for designing, governing, and implementing scalable Salesforce solutions, while also remaining close to the code-building proofs of concept, validating patterns, and supporting complex builds. The role sits at the intersection of strategy, architecture, and delivery , working closely with solution architects, developers, and client stakeholders to ensure designs are practical, secure, and production-ready. Key Responsibilities Architecture & Design Own the end-to-end technical architecture for Salesforce implementations across one or more Salesforce clouds. Produce high-quality architectural artefacts, including: High-Level Design (HLD) Low-Level Design (LLD) Data flow diagrams Security, environment, and deployment designs Define platform patterns for...

Job Title: Data Migration Analyst – Data Migration Project Reporting to: Head of Data Governance Position Type: 6 month contract, Outside IR35 Why Tokio Marine HCC? Standing still is not an option in the current world of Insurance. TMHCC are one of the world’s leading Specialty Insurers. With deep expertise in our chosen lines of business, our unparalleled track record and a solid balance sheet, TMHCC evaluates and manages risk like no one else in the industry. Looking beyond profit, empowering our people and delivering on our commitments are at the core of our customer values, and so is a desire to grow and provide creative and innovative solutions to our clients. About Operations Operations sits at the heart of TMHCC, we ensure the smooth running of all business processes — from policy administration and claims handling to data, technology, and delivery. We focus on driving efficiency which enables our teams across the business to deliver exceptional...

400 - 500 Outside IR35 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 :...