35 lead software developer jobs found in Hybrid

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission We are a fast‑growing startup building scalable, high‑quality digital products at pace. Our success depends on strong engineering foundations, pragmatic architecture, and ways of working that enable teams to deliver value continuously. We are looking for a Principal Engineer to play a critical leadership role across our engineering and architecture community. This is an opportunity to shape how we build, not just what we build—embedding effective engineering processes, modern delivery practices, and a culture of continuous improvement as the company scales. This role suits a senior technologist who thrives in ambiguity, enjoys influencing without authority, and wants to leave a lasting imprint on how engineering operates within a growing organisation. About the Opportunity As a Principal Engineer, you will...

Start Date: ASAP Contract Length: 6 months, likely to convert to perm Location: London, Hybrid Model Day Rate: Competitive Inside IR35 - Payroll provider: Rockford Payroll Info for Contingent Workers - Rockford Pay DMS Digital Workstream Technical Services Role Summary DMS Digital Software Developers provide a range of technical and business capabilities to DMS Digital and other engagements. These capabilities include solution development, data analysis, business analysis, systems analysis, quality assurance and documentation depending on the requirements of the individual project or engagement. Often seconded to DMS engagements, DMS Digital Developer/Technical Analysts quickly fill capability gaps for those engagements providing whatever support is required to ensure the on-time, on-cost and on-quality delivery of the engagement’s outcomes. DMS Digital Developer/Technical Analysts bring their broad range of technical knowledge and analytical...

About the role: We are seeking an Agile Delivery Manager to lead the delivery of technical change within a complex digital environment. Working with multidisciplinary teams including engineers, technical leads and product specialists, you will be responsible for prioritising work, managing delivery roadmaps and ensuring successful end to end delivery of platform and service improvements. You will support delivery across the full product lifecycle, from Discovery and Alpha through to Beta and Live, while fostering high-performing teams and promoting Agile ways of working. Experience delivering technical products or services within Agile environments is essential.   As an Agile Delivery Manager , your main responsibilities will be to: Lead Agile delivery across technical and platform focused teams. Manage priorities, dependencies, risks, issues and delivery plans. Work closely with technical leads, engineers and product teams to deliver business outcomes....

Full-Stack Developer – React, React Native & .NET | Maritime Defence | Outside IR35 Contract About the opportunity Puma Berry is seeking two Full-Stack Developers, one mid-level and one senior , for an upcoming maritime defence software programme. You will help develop applications that enable users to record vessel inspections, capture survey data and synchronise information across connected and offline environments. Working within an established Agile team, you will contribute across web, mobile and backend development alongside business analysts, designers, developers and testers. These opportunities are subject to contract award. Contract details Rate — £425–£525 per day, depending on experience and role level. IR35 status — Expected to be outside IR35, subject to confirmation. Location — Predominantly remote within the UK, with approximately monthly visits to Bath. Start — 23...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission We are a fast‑growing startup building scalable, high‑quality digital products at pace. Our success depends on strong engineering foundations, pragmatic architecture, and ways of working that enable teams to deliver value continuously. We are looking for a Principal Engineer to play a critical leadership role across our engineering and architecture community. This is an opportunity to shape how we build, not just what we build—embedding effective engineering processes, modern delivery practices, and a culture of continuous improvement as the company scales. This role suits a senior technologist who thrives in ambiguity, enjoys influencing without authority, and wants to leave a lasting imprint on how engineering operates within a growing organisation. About the Opportunity As a Principal Engineer, you will...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission We are a fast‑growing startup building scalable, high‑quality digital products at pace. Our success depends on strong engineering foundations, pragmatic architecture, and ways of working that enable teams to deliver value continuously. We are looking for a Principal Engineer to play a critical leadership role across our engineering and architecture community. This is an opportunity to shape how we build, not just what we build—embedding effective engineering processes, modern delivery practices, and a culture of continuous improvement as the company scales. This role suits a senior technologist who thrives in ambiguity, enjoys influencing without authority, and wants to leave a lasting imprint on how engineering operates within a growing organisation. About the Opportunity As a Principal...

The Infected Blood Compensation Authority (IBCA) is a new arm’s-length body which is being set up, at unprecedented pace, to administer compensation to people whose lives have been impacted by the infected blood scandal   A rare opportunity to lead cutting-edge software engineering across the breadth of a public service making a real difference. Joining IBCA early in the service lifecycle allows for the Principal Software Developer to influence tech decisions, build capability, and implement best in class engineering standards.   As the Principal Software Engineer, you will be an experienced voice in the organisation, leading and coaching colleagues to design and develop applications that meet the user needs, and comply with government technology and design standards. You will be responsible for the development of frontend and backend services, applying a rigorous testing approach to ensure applications are...

The Infected Blood Compensation Authority (IBCA) is a new arm’s-length body which is being set up, at unprecedented pace, to administer compensation to people whose lives have been impacted by the infected blood scandal   A rare opportunity to lead cutting-edge software engineering across the breadth of a public service making a real difference. Joining IBCA early in the service lifecycle allows for the Principal Software Developer to influence tech decisions, build capability, and implement best in class engineering standards.   As the Principal Software Engineer, you will be an experienced voice in the organisation, leading and coaching colleagues to design and develop applications that meet the user needs, and comply with government technology and design standards. You will be responsible for the development of frontend and backend services, applying a rigorous testing approach to ensure applications are...

Brief Description Senior Test Manager – AI Assurance, Automation & Quality Engineering Location: Central Scotland Working Arrangement: Hybrid, with travel to Glasgow (2 days per week) Job Type: Permanent or Contract (Inside IR35) APPLICANTS MUST BE IMMEDIATELY AVAILABLE TO BE CONSIDERED ** Due to background-check requirements, applicants must have a minimum of three years' UK address history. About Resillion Resillion is a global provider of digital assurance, cybersecurity, and testing services. We help organisations strengthen their security posture, protect critical assets, and deliver high-quality digital solutions. Our teams operate across multiple specialist disciplines, including Digital Forensics, Incident Response, SOC Operations, Quality & Compliance, and Technical Consultancy. We are committed to excellence, continuous improvement, and delivering trusted, customer-focused services that meet the highest professional and...

Automation Test Lead – Contract Location: London (2 days per week in the office) Contract: Initial 3 months, rolling   The Opportunity New Look is looking for an experienced Automation Test Lead to drive and evolve its automation testing capability across web and mobile platforms.   This is an exciting opportunity for someone who combines strong technical expertise with strategic thinking and proven people management experience. You'll take ownership of automation delivery, lead a distributed team across multiple squads and identify opportunities to improve how we approach software testing.   We're particularly interested in someone who is forward-thinking and passionate about innovation, especially the use of AI and autonomous agents to transform testing processes.   Key Responsibilities Own and drive the automation testing strategy, ensuring continuous improvement across web and mobile platforms....

Role: Senior Full-stack Software Engineer / Java Engineer (Market Risk) Location: London or Belfast - Hybrid Working Model Start Date: ASAP End Date: 6 Months Daily Rate: £475 Per Day Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Assignment Overview Deloitte sets the requirements for the assignment. Rockford Resourcing acts as the agency on behalf of Deloitte and is responsible for sourcing candidates to fulfil the assignment. Successful candidates will be employed by Rockford Payroll. Rockford Payroll is responsible for the Associate’s employment, pay and applicable employment-related processes. Deloitte is seeking a senior full-stack software engineer / Java Engineer with strong experience across Java back-end development and JavaScript front-end development to support a confidential engagement within a highly regulated enterprise environment. The role will focus on designing,...

Role: Senior Full-stack Software Engineer / Java Engineer (Market Risk) Location: London or Belfast - Hybrid Working Model Start Date: ASAP End Date: 6 Months Daily Rate: £475 Per Day Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Assignment Overview Deloitte sets the requirements for the assignment. Rockford Resourcing acts as the agency on behalf of Deloitte and is responsible for sourcing candidates to fulfil the assignment. Successful candidates will be employed by Rockford Payroll. Rockford Payroll is responsible for the Associate’s employment, pay and applicable employment-related processes. Deloitte is seeking a senior full-stack software engineer / Java Engineer with strong experience across Java back-end development and JavaScript front-end development to support a confidential engagement within a highly regulated enterprise environment. The role will focus on designing,...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving complex data assurance challenges in the UK public sector. We are a lean, expert team focused on delivering high-impact outcomes. If you are a self-starter who thrives on autonomy and wants your work to contribute to secure, nationally significant programmes, we want to talk to you. About the Opportunity We’re looking for an experienced and collaborative Technical Editor to work closely with our architecture, engineering and software development teams. This is not simply a proofreading role: you will evaluate the logic, structure and readability of deeply technical documents and help ensure complex information is accurate, clear and...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving complex data assurance challenges in the UK public sector. We are a lean, expert team focused on delivering high-impact outcomes. If you are a self-starter who thrives on autonomy and wants your work to contribute to secure, nationally significant programmes, we want to talk to you. About the Opportunity We’re looking for an experienced and collaborative Technical Editor to work closely with our architecture, engineering and software development teams. This is not simply a proofreading role: you will evaluate the logic, structure and readability of deeply technical documents and help ensure complex information is accurate, clear and...

CDS & Data Labelling Specialist (inc. DLP) This role is delivered within secure environments. Candidates must hold active SC/DV clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help engineer a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of...

Government Commercial Agency (GCA) is the largest public procurement organisation in the UK.   As a trading fund and executive agency of the Cabinet Office, we implement procurement policy on behalf of the government.   We use the collective buying power of our customers and our commercial expertise to help public sector organisations achieve value for money and provide great outcomes for taxpayers.   The main duties and responsibilities of the Strategic Category and Project Manager would be: EU Regulation & Procurement Policy -  Accurately navigate and interpret obligations in the EU procurement regulatory framework to manage and deliver extensive procurement projects, applies the principles of recent procurement case law. Provide advice, guidance and support to team members and stakeholders on complex procurement projects and operations. Early engagement & project mobilisation - Oversee and produce procurement projects...

Government Commercial Agency (GCA) is the largest public procurement organisation in the UK.   As a trading fund and executive agency of the Cabinet Office, we implement procurement policy on behalf of the government.   We use the collective buying power of our customers and our commercial expertise to help public sector organisations achieve value for money and provide great outcomes for taxpayers.   The main duties and responsibilities of the Strategic Category and Project Manager would be: EU Regulation & Procurement Policy -  Accurately navigate and interpret obligations in the EU procurement regulatory framework to manage and deliver extensive procurement projects, applies the principles of recent procurement case law. Provide advice, guidance and support to team members and stakeholders on complex procurement projects and operations. Early engagement & project mobilisation - Oversee and produce procurement projects...

Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP 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.   The Role This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure enterprise-level applications and platforms. The consultant will be a key figure in enhancing software supply chain security and driving the adoption of secure development practices across the software...

Senior Test Manager – AI Assurance, Automation & Quality Engineering Location: Central Scotland Working Arrangement: Hybrid, with travel to Glasgow (2 days per week) Job Type: Permanent or Contract (Inside IR35)   ** APPLICANTS MUST BE IMMEDIATELY AVAILABLE TO BE CONSIDERED **   **Due to background-check requirements, applicants must have a minimum of three years' UK address history. **   We are seeking an experienced Senior Test Manager to lead and own quality assurance, test management and assurance activities across complex enterprise technology programmes, with a particular focus on Conversational AI, Generative AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) and agentic AI solutions.   This is a senior leadership role requiring a strong combination of strategic test management, technical understanding, delivery governance and stakeholder engagement. The successful...

Location: UK-based - Remote (Course Delivered Virtually). Two required visits to the office in London Term: Freelance: 16 weeks, Monday to Friday. Core programme hours are 10:00am – 4:00pm with availability required from 9:00am – 5:00pm Salary: £200 per day Contract type: 16 Weeks Fixed term   Coding Black Females Coding Black Females was established in 2017 to address the underrepresentation of black women in tech. We are a non-profit organisation with the aim to grow and inspire the community of black female developers. We are the largest network of black female developers in the UK.   Mission Our mission is to grow the community of black women in software development and technical roles, from entry level to executive level. We will remove the barriers to enter the industry and progress within roles.   Aim Our main aims are: Build the community by removing barriers, showcasing talent and...