376 to 400 of 465 Software Engineering Jobs in London

Senior Unity and C# - Software Engineer - Contract Opportunity Need to have experience with BOTH, C# and Unity London - Hybrid Working We are seeking talented engineers to join a team focused on advancing next-generation virtual experiences through innovative technologies and robust infrastructure. Ideal Candidate Profile Have senior experience with Unity and C# development Experience with Edge testing Are familiar … with internal tooling and build systems (CI/CD, pipelines, alerts) Can debug and troubleshoot complex, distributed systems Have experience with SQL and data engineering Job Title: Senior C# - Unity Software Engineer Location: London, UK Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. (phone number removed). More ❯

Software Engineer Hybrid Working - Edinburgh - 1 day a week on site. Financial Services Lorien's leading banking client is looking for an experienced Software Engineer with strong experience in Java, Spring Boot, and React to join the existing team on an initial 6month contract. This role is based in Edinburgh. This role will be Via Umbrella. Working in … a Hybrid Model of 1 day a week on site. Key Skills and Experiences Delivery of high-quality software through configuration and customisation with a focus on reuse, adding value to the business and aligning to bank standards, patterns and guardrails. Experience of working within Financial Services/High Street Banking Strong Skills working with: Java Spring Boot React More ❯

code written by others. Drive decisions influencing product design, application functionality, and technical operations. Serve as a subject matter expert in one or more focus areas. Contribute to the engineering community by advocating firmwide frameworks, tools, and practices in the Software Development Life Cycle. Influence peers and decision-makers to adopt leading-edge technologies. Promote a team culture More ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python More ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python More ❯

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python More ❯

A well-established, independently-owned UK wealth management firm is looking for a Lead Backend Engineer to oversee and drive the design, development, and delivery of critical software systems. This hands-on leadership role offers the chance to guide a talented backend team while shaping the future of their technology platform. You'll lead a team of three developers … and coding standards, ensuring scalable, maintainable, and secure solutions that align with business goals. The role involves collaborating closely with product, QA, and project teams to deliver high-quality software in a cross-functional environment. Key Responsibilities: Lead backend development, code reviews, and system integration Mentor and support developers, fostering a collaborative and inclusive culture Architect scalable, efficient backend … systems with strong performance and reliability Manage full software lifecycle from design to deployment and maintenance Collaborate with stakeholders to translate business needs into technical solutions Stay abreast of emerging technologies and drive innovation in platform design Tech Stack: Node.js, JavaScript, SQL (essential) Experience with RabbitMQ/Kafka and MongoDB (desirable) What We're Looking For: Strong backend expertise More ❯

academic qualifications Based in Central London, this growing company have an opportunity for an outstanding computer science graduate to join their development team. You would be helping create sophisticated software which is relied upon by high profile international clients to streamline complex trading and logistics. As their product continued to develop, you would play a key role in designing … ensuring the quality and dependability of their software. This is a challenging role where you will be involved with all parts of the technology stack including algorithm design, data engineering, UI/UX, and backend development. You will be a key part of an expert team, with colleagues from a range of technical fields, so good communication skills and … Java, JavaScript and/or TypeScript (above and beyond the university module/practical level) Some experience of working with large existing codebases Practical experience of working in commercial software development environments Not essential, but knowledge of UX/UI, AWS, MongoDB, or Jenkins would all be useful. This a great time to join this successful company as they More ❯

Senior Backend Engineer London - Hybrid (1x day a month) Salary: Up to £95k DOE About Us Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a More ❯

Role: Senior Software Engineer Location: Hybrid in London Salary: £90,000 -110,000 (AVP) To design and focus on development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performanc, that provides business, platform, and technology capabilities for our customers and colleagues. … and other data sources Experience in implementing PingGateway single-sign-on routes, dynamic proxies and filter chains, or implementing PingIDM based data links Experience in partnering with security, product, engineering and compliance teams, to embed identity-first principles into the DevSecOps lifecycle If this sounds of interest to you, please ring or e-mail me a good time to More ❯

collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive. What You'll Do The Senior Director - Security Engineering Platform Lead is responsible for leading the design, delivery, and continuous evolution of BCG's security platforms across identity, device, and data protection domains. This role ensures end-to … end security engineering across all technology environments, including cloud, on-prem, and hybrid systems. The leader will drive strategic planning, execution, and operations of scalable, automated, and resilient security controls that protect BCG's global operations and users, while enabling innovation and agility across BCG Core, BCG X, and CT worldwide. This role is also accountable for embedding security … within DevSecOps practices, enforcing automation at scale, and applying Site Reliability Engineering (SRE) principles across all security services. The role requires strong partnership with ISRM, with a focus on balancing and prioritizing security requirements, automation opportunities, user experience needs, and broader business outcomes. Key Responsibilities: Strategic Leadership & Transformation: Define and execute a unified security engineering strategy that addresses More ❯

addition, the organization provides tools and infrastructure needed to support agile feature delivery, improve quality and increase engineer productivity. The team includes Quality Assurance Engineers, Quality Assurance Technicians and Software Engineers working side by side with Software Development Engineers, Product Managers, User Experience, and Customer Support staff to understand features, bugs, customer usage, and technical implementation to deliver … of test strategy, test plans, test cases as well as utilize automated tools to optimize the STLC - Perform exploratory testing, automate repetitive tasks and work side by side with software development engineers to deliver high quality product to Audible customers - Review BRD with Product, development engineers for conformity and functionality - Design, develop, and execute automated test scripts for backend … teams to understand system architecture and identify testing needs - Utilize AWS services for testing environments and deployment of test solutions - Analyze test results and provide actionable insights to improve software quality - Identify, document, and track defects using appropriate tools - Mentor junior QA engineers and contribute to team knowledge sharing - Participate in the development and maintenance of testing frameworks and More ❯

Job Title: Software Engineer (Salesforce-focused) Location: Hybrid (Central London office 1-2 days/week) Salary: Up to £70,000 (depending on experience) Contract Type: Full-time, Permanent Right to Work: Applicants must have the right to work in the UK About Us We are the UK's leading match funding platform, helping raise over £365 million for … million last year alone. We're a non-profit organisation with a start-up mindset, driven by innovation and impact. The Role We're looking for a Salesforce-focused Software Engineer to join our small, high-performing development team. Reporting to the Chief Operating Officer , you'll work closely with our Tech Lead , another Software Engineer, and the More ❯

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … for a senior role and with hands on experience in both SQL, PL SQL and Unix Shell scripting. The ideal candidate will work collaboratively with cross-functional teams, including software engineers, DevOps, and product managers, to deliver high-quality solutions that meet business needs. Details of Job Description 8+ years of experience in the IT industry Flexible attitude. Technical More ❯

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … for a senior role and with hands on experience in both SQL, PL SQL and Unix Shell scripting. The ideal candidate will work collaboratively with cross-functional teams, including software engineers, DevOps, and product managers, to deliver high-quality solutions that meet business needs. Details of Job Description 8+ years of experience in the IT industry Flexible attitude. Technical More ❯

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … for a senior role and with hands on experience in both SQL, PL SQL and Unix Shell scripting. The ideal candidate will work collaboratively with cross-functional teams, including software engineers, DevOps, and product managers, to deliver high-quality solutions that meet business needs. Details of Job Description 8+ years of experience in the IT industry Flexible attitude. Technical More ❯

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … for a senior role and with hands on experience in both SQL, PL SQL and Unix Shell scripting. The ideal candidate will work collaboratively with cross-functional teams, including software engineers, DevOps, and product managers, to deliver high-quality solutions that meet business needs. Details of Job Description 8+ years of experience in the IT industry Flexible attitude. Technical More ❯

Job Title:Software Engineer( Backend Developer) Location:London Contract: 6 Months with potential extension (Inside IR35) Commute- Max 2 days in office Payrate : £63 - £84 Per Hour Inside IR35 About the Role We are seeking a Software Engineer (Backend Developer) for the FinTech business unit of a leading global digital travel platform. This role involves building innovative regulatory … Participate in on-call rotations, incident resolution, and continuous improvement initiatives. Contribute to hiring efforts and mentoring junior engineers. What We're Looking For 5+ years of experience in software development with at least 2 server-side languages - Java being must have Proven experience with microservices architecture and scalable, distributed systems. Proficient in data technologies like MySQL , Hadoop , or More ❯

Lead Software Engineer - £65,000 Title : Lead Software Engineer Client : Secure Communications Location : Guildford Salary : £65,000 This is an opportunity for an engineer with 3+ years of commercial development experience to work on state of the art image processing, signal processing and network security applications to join an established team of C++ focused engineers working on classified More ❯

Lead Software Engineer - £65,000 Title : Lead Software Engineer Client : Secure Communications Location : Guildford Salary : £65,000 This is an opportunity for an engineer with 3+ years of commercial development experience to work on state of the art image processing, signal processing and network security applications to join an established team of C++ focused engineers working on classified More ❯

Our leading client is looking for Software Engineer based at London (Office based). A good advanced degree in Physical Science, Mathematics, Engineering, Geology, or Computing Science Sound programming experience including: C, C++, and/or Fortran Comfortable operating in deadline driven environment Must possess good numerical, problem solving, and organisational skills Additional technical competency across a selection More ❯

Senior Software Engineer Full Stack - Ruby on Rails/React Remote-first (must be UK-based) Up to £85,000 About the Role A fast-growing sports tech company is looking for a Senior Full Stack Engineer with strong Ruby on Rails experience and React skills to help shape the future of their product platform. This is a remote … a remote environment. Proven ability to work independently, take initiative, and own projects end-to-end. Comfortable translating technical goals into user-focused outcomes. Enthusiastic about collaborating with non-engineering teams and speaking with end users. Why Join? Remote-first working with only minimal travel (once per quarter to Edinburgh). The opportunity to work on meaningful products that More ❯

Software Engineer - London Atrium EMEA is looking for several Machine Learning Software Engineers with full-stack development experience to work on developing agents for coding and machine learning tasks. Your goal is to create LLM agents that can automatically carry out AI and ML research tasks completely on their own. The Software Engineers should have hands on … experience in both machine learning engineering (training ML models), and who have full-stack SWE experience - both backend and frontend engineering. Ideal candidates should have experience with Python, Pytorch, JS and React and similar frameworks. PAYE contract role, till Dec 25 (Likely to extend). 3 days needed onsite in London office. Essential: Hands-on experience in one or … React), building and deploying UIs. Direct experience in generative AI and LLM research Experience with human data annotation for training LLMs Click Apply now to be considered for the Software Engineer – London role More ❯

be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given. HPC Software Engineer Closing Date: 4th September 2025 Location: RG7 4PR , located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there … the opportunity for you to play your part? Would you like to work on an industry leading high-performance computing platform? An opportunity is now available for a HPC Software Engineer to provide computer science support, through development and deployment of software techniques and solutions. Within this role you will be responsible for: Providing appropriate assistance for porting … specific codes to new platforms. Design, coding, testing, installation, and maintenance of software modules. Production of suitable online documentation Interacting with vendors, universities, and US laboratories on leading-edge research. Research level investigation of advanced novel techniques for solution of multi-physics. Development of relevant benchmarks for assessing current and future systems. Maintaining an awareness of current and future More ❯

Join a forward-thinking technology team transforming the future of financial services. We're looking for an experienced eFX Software Engineer to build secure, high-performance trading systems in a collaborative, inclusive, and agile environment. What you'll do: Design and develop low-latency, fault-tolerant trading architectures Lead complex software initiatives using modern Java patterns (low-GC More ❯