24 software engineer jobs found in London

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology (WWT) has an opportunity for a Python Software Engineer to join a team building configuration management software for a large-scale private cloud platform within a leading financial services organisation. This is a hands-on development role, not an SRE or infrastructure automation position you'll help re-architect existing software as the platform evolves toward a zoned, enclave-based network model, while keeping performance and reliability intact.   This is a contract Role & Inside IR35   Python Software Engineer Contract Duration: 12 months Location: London or Glasgow (3 days per week in office)   Key Responsibilities Build and maintain production-grade Python applications. Re-architect software to...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 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...

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 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...

Senior TypeScript Engineer (Node.js, AWS Serverless), FinTech Location: London, Manchester, Leeds, Edinburgh or Bristol (flexible hybrid) Rate: £600 per day. Inside IR35 Duration: 6 months About Codurance We're a software craftsmanship consultancy. We build software for clients, and we care about doing it properly: clean code, solid testing, sensible architecture, and teams that keep learning. Our engineers work embedded with client teams, so you get variety, real ownership, and the backing of a wider community of craftspeople who'll challenge you and help you grow. The role We're looking for a senior contract engineer to work on a financial platform where correctness actually matters. You'll design, build, and run TypeScript and Node.js services on AWS serverless infrastructure. You'll work in a small, cross-functional team alongside product, operations, and customer-facing colleagues, and you'll be the person people go to when they're stuck....

Job Title:  Project   Manager    Location:  London - Hybrid    Role type:  Contract   IR35:  Outside IR35   Duration : 2 months (initially)   Start Date:  ASAP       Who we are:   We're an award-winning Tech Consultancy, focused in Quality Engineering on a mission to become the UK's #1.       What we do:   "Champion and Engineer Quality and Software". Over the past 6 years, we've shaped and transformed our offering so that passion, precision, and attention to every minuscule detail is baked into everything we do. Born from a desire to bring automation expertise to our current and prospective clients, 5 years ago we shaped our offering.       Project Info:   We're looking for an experienced Lead Technical Product Owner to support a major UK retail and hospitality technology...

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology Holding has an opportunity for a Network Engineer who can own design, automation and lifecycle management of global core network infrastructure. The ideal candidate brings deep Cisco IOS-XR and NSO automation expertise, with a track record leading large-scale network migrations, software upgrades, and hardware refresh programmes across a complex global estate. This is a contract Role & Inside IR35 Network Engineer Contract Duration: 6 months Location: Hybrid, 2 days onsite per week  Key Responsibilities Develop and maintain Cisco NSO automation, service models, and workflows. Lead migration and transformation across Cisco 8000, ASR 9000, and NCS platforms. Design and support large-scale WAN, MAN, and Optical...

Waracle is looking for a  Senior QA Engineer  to join our world-class digital technology consultancy. We are home to a diverse, smart, curious, and ambitious community of specialists in technology-driven transformation. We partner with ambitious clients to help them solve their biggest business and customer challenges. Together, we 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 available on  Contract (Inside IR35)  bases, initially for 6 months. If you love collaborating with multi-disciplinary teams and designing smart automation strategies we would love to hear from you! We champion modern, balanced working and offer a  hybrid setup , asking you to collaborate in person  2 days a week  from either our  Glasgow, Edinburgh, London or Dundee...

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...