26 to 50 of 127 Software Engineer Jobs in London

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 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 More ❯

Job Title: Software Engineer – (AI Automation & LLM ) Location: London- Hybrid role Duration: 31st December 2025- possible extension Role: We're looking for a skilled Data Engineer/Software Engineer to support a pioneering AI research project focused on Large Language Model (LLM) agents and intelligent automation. You’ll play a central role in preparing and … storage, and transformation Direct experience with dataset mitigation and filtering techniques Background in data quality control , validation, and automation Excellent communicator able to work with diverse technical teams Strong software engineering skills in data-intensive environments Nice to Have Knowledge of machine learning principles and frameworks (e.g., PyTorch) Experience in front-end technologies like JavaScript Exposure to full-stack … development or ML infrastructure Previous experience in high-scale software or research environments More ❯

Lead Data/Software Engineer page is loaded Lead Data/Software Engineer Apply locations London, UK time type Full time posted on Posted 30+ Days Ago job requisition id R5584 nCino offers exciting career opportunities for individuals who want to join the worldwide leader in cloud banking. We are seeking a Lead Engineer to … boundaries and exceed expectations. We pride ourselves in bringing together a diverse group of individuals with the skills, energy and shared passion to help us do amazing things. LEAD ENGINEER Key Responsibilities Leadership Develop a deep understanding of our customers, the problems they are trying to solve, and how we can help solve them. Absorb and process information from … science and machine learning initiatives. Optimize data storage and retrieval systems for maximum performance. Continuously monitor and improve the performance of the data solutions to meet our clients' needs. Software Plan, Design, and Implement secure scalable APIs and Backend Services. Optimize APIs and Backend Services to maximize performance. Monitor and improve the performance of APIs and Backend Services. Enterprise More ❯

Principal Software Engineer (Permanent) Salary: £65,000 - £75,000 Location: UK-based iO Associates is supporting a large public-sector organisation. They are looking for a Principal Software Engineer to help shape the future of digital services. You'll join a forward-thinking Head of Engineering who is transforming the team to deliver smarter, more efficient … solutions for residents and staff. What you'll be doing Setting the technical direction of software engineering and helping to define best practice. Taking a hands-on role in solution design and development. Collaborating closely with platform engineering to create robust, scalable services. Building new tools internally to improve access to services, automate processes, and enhance systems in housing … and property services. What we're looking for Strong software engineering expertise, ideally with JavaScript (React preferred) and knowledge of cloud platforms (AWS, Azure, Cloudflare). Experience in solution design and delivering end-to-end digital services. Background in consultancy Knowledge of containerisation tools (Docker or Kubernetes) is a plus. A proactive, 'get things done' mindset with the confidence 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 … 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 ❯

Data & Software Engineer - AI Start Up - Remote UK - Up to £90,000 Ada Meher are partnered with a forward-thinking start-up within the deals space, who are heavily backed by large companies within the sector. Their objective is to streamline processes for dealmakers to identify targets, cultivate valuable relationships and ultimately secure more deals. They are utilising … AI in various aspects of their business and are looking for an adaptable data/software engineer to join their team and continue to assist with their AI journey.This role is open remotely across the UK for applicants who hold the full right to work in the UK. There are offices based in London and Leeds for occasional … Responsibilities Data Engineering: Design and maintain ETL pipelines Integrate data from internal and external sources PostgreSQL queries and schemas Support AI/LLM features Optimise storage and query performance Software: Coding with Python Back-end systems and API integrations Developing RESTful API's Utilise agile methodology Requirements Strong skills with relational and NoSQL databases such as DynamoDB Strong Python More ❯

Data & Software Engineer - AI Start Up - Remote UK - Up to £90,000 Ada Meher are partnered with a forward-thinking start-up within the deals space, who are heavily backed by large companies within the sector. Their objective is to streamline processes for dealmakers to identify targets, cultivate valuable relationships and ultimately secure more deals. They are utilising … AI in various aspects of their business and are looking for an adaptable data/software engineer to join their team and continue to assist with their AI journey. This role is open remotely across the UK for applicants who hold the full right to work in the UK. There are offices based in London and Leeds for … Responsibilities Data Engineering: Design and maintain ETL pipelines Integrate data from internal and external sources PostgreSQL queries and schemas Support AI/LLM features Optimise storage and query performance Software: Coding with Python Back-end systems and API integrations Developing RESTful API's Utilise agile methodology Requirements Strong skills with relational and NoSQL databases such as DynamoDB Strong Python More ❯

Software Engineer London/Hybrid(2-3 days)100-130k Our client, a leading global financial organisation, is seeking a Software Engineer to design, develop, and enhance software solutions using various engineering practices. This role supports the delivery of business, platform, and technology capabilities for both customers and internal teams. A Java background within … Banking preferred) is essential, combined with experience of security related technologies. In this hands-on role, you will be responsible for: Develop and deliver high-quality, scalable, and maintainable software using industry-standard languages, frameworks, and tools. Collaborate with product managers, designers, and engineers to define requirements and ensure solutions align with business goals. Participate in code reviews, knowledge More ❯

Principal Software Engineer (Permanent) Salary: £65,000 - £75,000 Location: UK-based iO Associates is supporting a large public-sector organisation. They are looking for a Principal Software Engineer to help shape the future of digital services. You'll join a forward-thinking Head of Engineering who is transforming the team to deliver smarter, more efficient 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 … 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 More ❯

Role: Adoption Software Engineer - Authorisation Location: London (Hybrid - 2 days per week) Contract Length: 6 MonthsWe are looking for a highly skilled Adoption Software Engineer to join a leading global financial institution in London. This is a fantastic opportunity to play a pivotal role in shaping the future of a digital platform used by millions worldwide. … You'll be at the forefront of driving modern software engineering practices, with a specific focus on authorisation, policy-as-code, and cloud-native deployments . If you thrive in a fast-paced, engineering-led environment and want to make a tangible impact, this role is for you. You'll be responsible for championing cutting-edge authorisation frameworks, building More ❯

Role: Adoption Software Engineer - Authorisation Location: London (Hybrid - 2 days per week) Contract Length: 6 Months We are looking for a highly skilled Adoption Software Engineer to join a leading global financial institution in London. This is a fantastic opportunity to play a pivotal role in shaping the future of a digital platform used by millions … worldwide. You'll be at the forefront of driving modern software engineering practices, with a specific focus on authorisation, policy-as-code, and cloud-native deployments . If you thrive in a fast-paced, engineering-led environment and want to make a tangible impact, this role is for you. You'll be responsible for championing cutting-edge authorisation frameworks More ❯

Senior Principal Software Engineer Location: UK (Hybrid - 2 days/week in Winchester or London office) Salary: Up to £83k + bonus + benefits The Role We're looking for a Senior Principal Software Engineer to provide technical leadership, shape engineering standards, and mentor a team of engineers. This senior role combines architectural oversight with hands … sustainability Champion adoption of modern tools and technologies Mentor and coach engineers to support career growth Contribute hands-on with clean, scalable code when required Represent the Head of Software Engineering in decision-making forums About You Strong expertise in modern programming languages and frameworks Proven experience in senior technical roles with architectural influence Excellent problem-solving and stakeholder More ❯

fund based in London that manages over $8 billion of client assets, where technology plays a critical role in the success of the business. We are looking for a Software Engineer to join our Software Development team. This is an opportunity to work within a well-established team where your primary responsibilities are to utilise technology to … problems. We work in a fast-paced and dynamic environment where the goal is to help deliver Aspect's ambitious business plans. 3-5 years of experience as a software engineer in a professional environment, taking requirements from concept to production use (no previous financial markets experience necessary as training will be provided). Strong development skills: Java More ❯

Junior Front-End Software Engineer (Contract – Remote) Our firm is seeking a Junior Front-End Software Engineer to support the build and launch of our client-facing platform. This role is fully remote and offered on a contract basis , with a competitive hourly rate for the successful candidate. Key Responsibilities Assist in developing and implementing user … and maintain clean, reusable code standards Collaborate with designers, product managers, and other team members to deliver high-quality features on schedule Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) Proficiency in HTML5, CSS3, and JavaScript Familiarity with at least one modern front-end framework (React, Vue, or Angular preferred) Basic More ❯

Junior Front-End Software Engineer (Contract – Remote) Our firm is seeking a Junior Front-End Software Engineer to support the build and launch of our client-facing platform. This role is fully remote and offered on a contract basis , with a competitive hourly rate for the successful candidate. Key Responsibilities Assist in developing and implementing user … and maintain clean, reusable code standards Collaborate with designers, product managers, and other team members to deliver high-quality features on schedule Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience) Proficiency in HTML5, CSS3, and JavaScript Familiarity with at least one modern front-end framework (React, Vue, or Angular preferred) Basic More ❯

A Mid Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections to their clients systems. You will … joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you. As a Python … Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. Youll work closely with experienced engineers, product managers, and data scientists to build reliable systems that solve complex financial problems. This role offers an excellent opportunity to deepen your technical expertise, take ownership of individual projects, and grow in More ❯

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 … 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). Allegis More ❯

Senior Software Engineer - iOS and tvOS About the Role & Team On any given day at Disney Entertainment and ESPN Product & Technology, we're reimagining ways to create magical viewing experiences for the world's most beloved stories while also transforming Disney's media business for the future. Whether that's evolving our streaming and digital products in new … DEEP&T Technology's worldwide content production and distribution platforms. In doing so, they contribute to a series of cross-functional services and technologies, including Quality Assurance, Data Analytics, Software Development, Broadcast Infrastructure, and Networking & Security. The Apple team responsible for building Hulu is seeking an experienced Software Engineer with a passion for mobile applications to join … continuously analyze data to improve our Apps, our processes, and how we work together. Why You want to work with us: Nurture a highly collaborative, world-class team of software engineers. Work on a cutting-edge and evolving technology stack. Own substantial features shipped to millions of users. Influence the innovation of high-profile products in the media streaming More ❯

Job Title: Software Engineer - Operational Data Store (Scala/Oracle Exadata) Pay Rate: £600- £775 IR35 Status: Inside IR35 Length of Contract: 12 months Location: Bromley Hybrid Model: Hybrid - 3 days About the Role We are seeking a talented Software Engineer to join our Operational Data Store feature team, contributing to the transformation of our Post More ❯

Job Title: Software Engineer - Operational Data Store (Scala/Oracle Exadata) Pay Rate: £600- £775 IR35 Status: Inside IR35 Length of Contract: 12 months Location: Bromley Hybrid Model: Hybrid - 3 days About the Role We are seeking a talented Software Engineer to join our Operational Data Store feature team, contributing to the transformation of our Post More ❯

Software Engineer III, Google Fit Health Ecosystem, Android link Copy link corporate_fare Google place London, UK Mid Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. Apply link Copy link Bachelor's degree or equivalent practical experience. 2 years of experience with software development in one … technical fields. 2 years of experience with data structures or algorithms. Experience with open source development like Jetpack. Excellent problem-solving and investigative skills. About the job Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive … large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google's needs with opportunities to switch teams and projects as you and our fast-paced business grow More ❯

Join Our Quest for Search Excellence: Become a Software Engineer on the Search Platform Team! About Us: At Mimecast, we are dedicated to providing innovative cyber security and human risk management solutions. Our Search Platform team is at the forefront of developing a massively distributed indexing and search service that holds petabytes of email indices, ensuring our clients … can efficiently search within and manage their data. Position Overview: We are seeking a Software Engineer to join our Search Platform team in London. The ideal candidate will have a strong background in core Java development, with experience in Lucene or other Lucene-based search products. You will play a critical role in enhancing our search capabilities and … functional teams in Agile sprints, contributing to planning, development, and review processes. CI/CD Practices: Utilize GitLab and Jenkins for continuous integration and deployment, ensuring smooth and efficient software delivery. Containerization: Leverage Docker and Kubernetes for container orchestration and deployment, enhancing the scalability of our applications. What You'll Bring Education: Bachelor's degree in Computer Science, Engineering More ❯

markets, and we plan to scale up our tech team with the very best engineers to supercharge our growth. We are looking for a bright, driven, full-stack Senior Software Engineer who is excited about solving complex problems and building scalable platforms. The role As a Senior Software Engineer, you will: Understand complex business problems then More ❯