32 software contractor jobs found

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...

Senior Business Analyst (contractor), London What are we trying to do? Lab49 was founded in 2002 with a deep pool of business and technology talent and a global reach. We specialize in helping clients realize rapid transformational change at an industrial scale and operate historically towards the upper tiers of banking and capital markets, to include banks, hedge funds and exchanges; assisting those companies with their most key strategic business programmes and technology investments. What do we need help with? We are looking for an experienced consultant to work on a large institutional multi-year business transformation and integration project in cross border payments. What will you do? Business analysis • Develop business requirements and backlogs • Develop detailed business specifications, including worked numerical examples • Develop functional architectures and solutions designs • Develop delivery roadmaps, identify dependencies,...

  Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer 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 We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...

Job Title: Cyber Security Engineer (Threat Modelling) - contract Location: London Hybrid, 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer 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 We are looking for an experienced Threat Modelling Security Engineer to identify security threats, define effective mitigating controls and manage findings throughout their lifecycle. You will deliver...

Contract - Software & DevOps Engineer Job Type Contract Date published 12-Oct-2026 Req # 25464 Job description 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...

About nsave nsave is a fintech company headquartered in London. Founded by Amer Baroudi and Abdallah AbuHashem, our vision is to "Protect and grow the wealth of the financially excluded". We have built a global platform that provide trusted USD accounts, global payments, and investments for individuals from distressed economies, where inflation is high and banking systems are unstable. Our compliance-by-design approach and proprietary technology allow us to deliver these services securely and at scale. To date, nsave has raised $22M from leading investors including Sequoia Capital, TQ Ventures, Y Combinator, and SV Angel. Our team has grown 200% in the last year, and with so much more ahead, we're just getting started! Learn more at www.nsave.com . Location: Egypt (Cairo preferred) Engagement Type: Independent Contractor About the Role As our Backend Engineer , you will build and scale the infrastructure powering nsave's financial services. Working...

  Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer 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 We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...

Job description Job Title: Cyber Security Engineer (Threat Modelling) - contract Location: London Hybrid, 2-3 days a week in the London office Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer 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 We are looking for an experienced Threat Modelling Security Engineer to identify security threats, define effective mitigating controls and manage findings throughout...

SC Cleared - Software Developer in Test  Contract - Software Developer In Test- SC Cleared Inside IR35 Contract Initial 6 months London - Hybrid working Start ASAP - Must have active SC Clearance About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality. About the Role This is more than just a job, it’s an opportunity to innovate and grow. As a Software Developer in Test , you’ll: Work...

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...

A competitive consultancy fee or day rate We are planning a number of major systems changes across The Ned,covering areas including people and payroll,customer data,finance,sales and events,and guest operations. We’re looking for an experienced Systems Implementation Consultant to independently review proposed systems before contracts are signed and implementation begins.   This is a consultancy engagement rather than an employed role.   Do you want to work with one of the best places in hospitality? What’s the role? IT Systems Implementation Consultant,consultancy engagement   About The Ned and Ned’s Club The Ned and Ned’s Club are a global collection of hotels,clubs,spas and restaurants for like-minded individuals to meet,work and have a good time.   The Ned launched in 2017 in the heart of the City,in the former Midland Bank headquarters. The Ned City of London houses Ned’s...

Here at Mindera, we are building a world-class team and would love for you to join us. As a Senior Technical Product Owner (Tech PO) with a strong technical background, you will use your experience with Agile methodologies and your deep understanding of the SDLC to lead an ambitious, fast-paced team building the necessary AI tools to drive the company's business growth. We are looking for Tech PO who deeply understands how this modern AI technology works under the hood. Working closely with both development and business stakeholders, you will act as a crucial bridge between our engineers and the business domain. You will manage complex cross-stream dependencies, guarantee constant progress and alignment throughout the product lifecycle, and seamlessly translate requirements between technical and non-technical stakeholders. This role requires 2 days a week onsite in central London.   Requirements Requirements 8+ years of enterprise experience...

Waracle are looking for a Senior QA 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 is a Hybrid role working from our London office 2 days a week and is available on a Contract (Inside IR35) basis, initially for 6 months. Are you a technical quality specialist who thrives on collaboration, engineering rigor, and robust automation? We are looking for a Senior Quality Engineer who combines strong software engineering discipline with deep test automation expertise to deliver...

Principal Engineer – SC Eligible – Government Projects 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...

PLEASE NOTE: 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.   As a Senior Developer you will play a key role in delivering robust and maintainable software that meets user needs. You will contribute across the full software development lifecycle, from design and implementation through to deployment and production support. You will build a deep understanding of the wider service and use that knowledge to solve technical problems, improve system reliability, and help shape practical solutions. Alongside your development work, you will contribute to a strong engineering culture by reviewing code, sharing expertise, and supporting...

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...

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 Author 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...

A competitive consultancy fee or day rate We are planning a number of major systems changes across The Ned,covering areas including people and payroll,customer data,finance,sales and events,and guest operations. We’re looking for an experienced Systems Implementation Consultant to independently review proposed systems before contracts are signed and implementation begins.   This is a consultancy engagement rather than an employed role.   Do you want to work with one of the best places in hospitality? What’s the role? IT Systems Implementation Consultant,consultancy engagement   About The Ned and Ned’s Club The Ned and Ned’s Club are a global collection of hotels,clubs,spas and restaurants for like-minded individuals to meet,work and have a good time.   The Ned launched in 2017 in the heart of the City,in the former Midland Bank headquarters. The Ned City of London houses Ned’s...

Here at Mindera, we are building a world-class team and would love for you to join us. As a Senior Technical Product Owner (Tech PO) with a strong technical background, you will use your experience with Agile methodologies and your deep understanding of the SDLC to lead an ambitious, fast-paced team building the necessary AI tools to drive the company's business growth. We are looking for Tech PO who deeply understands how this modern AI technology works under the hood. Working closely with both development and business stakeholders, you will act as a crucial bridge between our engineers and the business domain. You will manage complex cross-stream dependencies, guarantee constant progress and alignment throughout the product lifecycle, and seamlessly translate requirements between technical and non-technical stakeholders. This role requires 2 days a week onsite in central London.   Requirements Requirements 8+ years of enterprise experience...

Waracle are looking for a Senior QA 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 is a Hybrid role working from our London office 2 days a week and is available on a Contract (Inside IR35) basis, initially for 6 months. Are you a technical quality specialist who thrives on collaboration, engineering rigor, and robust automation? We are looking for a Senior Quality Engineer who combines strong software engineering discipline with deep test automation expertise to deliver...