176 to 200 of 1,320 Software Engineering Jobs in London

is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. … We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and reusable web and mobile-based sites that drive these web applications • Design, build, test, document and maintain API’s and integrations • Ensure quality control using industry … and UX designers to review designs, implement new features, and ensure user experience is top level • Explore new ideas and emerging technologies, develop prototypes quickly • Uphold and advance the engineering team’s principles and ways of working • Serve as a domain expert for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering More ❯

is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. … We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and reusable web and mobile-based sites that drive these web applications • Design, build, test, document and maintain API’s and integrations • Ensure quality control using industry … and UX designers to review designs, implement new features, and ensure user experience is top level • Explore new ideas and emerging technologies, develop prototypes quickly • Uphold and advance the engineering team’s principles and ways of working • Serve as a domain expert for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering More ❯

About Nscale Nscale is taking on the hyperscalers by building a vertically integrated GenAI cloud platform. We own the data centres, software and applications that power today's AI stack using sustainable technology solutions. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence … our customers to train, fine-tune, and deploy AI models at scale. This is a highly technical and cross-functional position. You’ll work closely with design, cloud, product engineering, and AI teams to build tools for AI model training pipelines, fine-tuning workflows, and scalable inference services. A strong focus on delivery and release management is critical: you … ML products, thrive in a fast-paced Agile environment, and excel at collaborating with engineers to solve complex problems, then this role is for you. Responsibilities Work closely with software engineering, DevOps, and infrastructure teams to plan, refine, and prioritise the product roadmap. Ensure a deep understanding of each feature’s technical design and constraints, facilitating informed decision More ❯

About Nscale Nscale is taking on the hyperscalers by building a vertically integrated GenAI cloud platform. We own the data centres, software and applications that power today's AI stack using sustainable technology solutions. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence … our customers to train, fine-tune, and deploy AI models at scale. This is a highly technical and cross-functional position. You’ll work closely with design, cloud, product engineering, and AI teams to build tools for AI model training pipelines, fine-tuning workflows, and scalable inference services. A strong focus on delivery and release management is critical: you … ML products, thrive in a fast-paced Agile environment, and excel at collaborating with engineers to solve complex problems, then this role is for you. Responsibilities Work closely with software engineering, DevOps, and infrastructure teams to plan, refine, and prioritise the product roadmap. Ensure a deep understanding of each feature’s technical design and constraints, facilitating informed decision More ❯

About Nscale Nscale is taking on the hyperscalers by building a vertically integrated GenAI cloud platform. We own the data centres, software and applications that power today's AI stack using sustainable technology solutions. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence … our customers to train, fine-tune, and deploy AI models at scale. This is a highly technical and cross-functional position. You’ll work closely with design, cloud, product engineering, and AI teams to build tools for AI model training pipelines, fine-tuning workflows, and scalable inference services. A strong focus on delivery and release management is critical: you … ML products, thrive in a fast-paced Agile environment, and excel at collaborating with engineers to solve complex problems, then this role is for you. Responsibilities Work closely with software engineering, DevOps, and infrastructure teams to plan, refine, and prioritise the product roadmap. Ensure a deep understanding of each feature’s technical design and constraints, facilitating informed decision More ❯

About Nscale Nscale is taking on the hyperscalers by building a vertically integrated GenAI cloud platform. We own the data centres, software and applications that power today's AI stack using sustainable technology solutions. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence … our customers to train, fine-tune, and deploy AI models at scale. This is a highly technical and cross-functional position. You’ll work closely with design, cloud, product engineering, and AI teams to build tools for AI model training pipelines, fine-tuning workflows, and scalable inference services. A strong focus on delivery and release management is critical: you … ML products, thrive in a fast-paced Agile environment, and excel at collaborating with engineers to solve complex problems, then this role is for you. Responsibilities Work closely with software engineering, DevOps, and infrastructure teams to plan, refine, and prioritise the product roadmap. Ensure a deep understanding of each feature’s technical design and constraints, facilitating informed decision More ❯

figur salary Skypath is proud to be partnering with a fast-growing technology company that's building the leading AI-powered platform for the Corporate Travel industry . Their software helps some of the world's most recognisable enterprises reduce risk, cut costs, protect revenue, and manage emissions in line with business and sustainability goals. About You You're … working across the full stack , from designing intuitive user experiences to architecting resilient back-end systems. You're eager to learn new technologies, driven by a passion for leveraging software and data to make a tangible difference in decarbonization and enterprise transformation. About the Role We're seeking a Senior Software Engineer to join this company's founding … engineering team . This is a rare opportunity to have a direct influence on both the product vision and engineering culture from an early stage. You'll build core product features, shape technical architecture, and take ownership of systems from design through deployment. Working closely with product and design, you'll experiment, iterate quickly, and help define best More ❯

technical point of contact for many of our clients, and a key representative of Formance’s reliability and technical excellence. You’ll work closely with our Post-Sales and Engineering teams, to identify areas for improvement, streamline our support processes, and continuously enhance our technical documentation to ensure a seamless customer journey. What you'll do: As our Technical … point of contact for our users, customers when they need help with our products. Your role is to ensure seamless integration and operation of our financial backend solutions for engineering and product teams at fast-growing companies. Specifically, you will: Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire … investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation for troubleshooting processes, FAQs, and best practices. Collaborate closely with engineering and product teams to relay customer feedback, suggest feature improvements, and ensure a smooth product experience. Actively contribute to improving internal support tools and processes, ensuring we scale efficiently More ❯

technical point of contact for many of our clients, and a key representative of Formance’s reliability and technical excellence. You’ll work closely with our Post-Sales and Engineering teams, to identify areas for improvement, streamline our support processes, and continuously enhance our technical documentation to ensure a seamless customer journey. What you'll do: As our Technical … point of contact for our users, customers when they need help with our products. Your role is to ensure seamless integration and operation of our financial backend solutions for engineering and product teams at fast-growing companies. Specifically, you will: Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire … investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation for troubleshooting processes, FAQs, and best practices. Collaborate closely with engineering and product teams to relay customer feedback, suggest feature improvements, and ensure a smooth product experience. Actively contribute to improving internal support tools and processes, ensuring we scale efficiently More ❯

technical point of contact for many of our clients, and a key representative of Formance’s reliability and technical excellence. You’ll work closely with our Post-Sales and Engineering teams, to identify areas for improvement, streamline our support processes, and continuously enhance our technical documentation to ensure a seamless customer journey. What you'll do: As our Technical … point of contact for our users, customers when they need help with our products. Your role is to ensure seamless integration and operation of our financial backend solutions for engineering and product teams at fast-growing companies. Specifically, you will: Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire … investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation for troubleshooting processes, FAQs, and best practices. Collaborate closely with engineering and product teams to relay customer feedback, suggest feature improvements, and ensure a smooth product experience. Actively contribute to improving internal support tools and processes, ensuring we scale efficiently More ❯

technical point of contact for many of our clients, and a key representative of Formance’s reliability and technical excellence. You’ll work closely with our Post-Sales and Engineering teams, to identify areas for improvement, streamline our support processes, and continuously enhance our technical documentation to ensure a seamless customer journey. What you'll do: As our Technical … point of contact for our users, customers when they need help with our products. Your role is to ensure seamless integration and operation of our financial backend solutions for engineering and product teams at fast-growing companies. Specifically, you will: Provide best Customer experience in terms of responsiveness, resolution time, tone, and knowledge Support the customer throughout their entire … investigating and diagnosing problems quickly, and escalating them to the development team when necessary. Create and maintain detailed documentation for troubleshooting processes, FAQs, and best practices. Collaborate closely with engineering and product teams to relay customer feedback, suggest feature improvements, and ensure a smooth product experience. Actively contribute to improving internal support tools and processes, ensuring we scale efficiently More ❯

Hiring a Software Engineer For AI Training (Remote) Join the top 1% of Software Engineers worldwide to shape the future of AI. Earn up to $8,000 - $10,000 USD per month , working remotely on flexible projects that push the boundaries of technology. Locations : UK, US, AR, AU, PR, CA, MX, NZ What You Will Be Doing Create … and answer technical questions about software engineering concepts, coding best practices, and debugging strategies to help train AI models. Review and evaluate code generated by AI in languages such as JavaScript, Python, Go, Java, TypeScript, Rust, and C++ . Analyze code quality, maintainability, and adherence to real-world engineering standards. Provide expert-level feedback on version control … Programming Expertise : Proficiency in at least two of the following languages: JavaScript, Python, Go, Java, TypeScript, Rust, or C++. Industry Experience : Hands-on experience building and maintaining production-grade software repositories. Version Control : Strong knowledge of Git (or similar), including branching, merging, and collaborative workflows. Problem Solving : Proven ability to conduct code reviews, debug complex issues, and analyze large More ❯

Hiring a Software Engineer For AI Training (Remote) Join the top 1% of Software Engineers worldwide to shape the future of AI. Earn up to $8,000 - $10,000 USD per month , working remotely on flexible projects that push the boundaries of technology. Locations : UK, US, AR, AU, PR, CA, MX, NZ What You Will Be Doing Create … and answer technical questions about software engineering concepts, coding best practices, and debugging strategies to help train AI models. Review and evaluate code generated by AI in languages such as JavaScript, Python, Go, Java, TypeScript, Rust, and C++ . Analyze code quality, maintainability, and adherence to real-world engineering standards. Provide expert-level feedback on version control … Programming Expertise : Proficiency in at least two of the following languages: JavaScript, Python, Go, Java, TypeScript, Rust, or C++. Industry Experience : Hands-on experience building and maintaining production-grade software repositories. Version Control : Strong knowledge of Git (or similar), including branching, merging, and collaborative workflows. Problem Solving : Proven ability to conduct code reviews, debug complex issues, and analyze large More ❯

Hiring a Software Engineer For AI Training (Remote) Join the top 1% of Software Engineers worldwide to shape the future of AI. Earn up to $8,000 - $10,000 USD per month , working remotely on flexible projects that push the boundaries of technology. Locations : UK, US, AR, AU, PR, CA, MX, NZ What You Will Be Doing Create … and answer technical questions about software engineering concepts, coding best practices, and debugging strategies to help train AI models. Review and evaluate code generated by AI in languages such as JavaScript, Python, Go, Java, TypeScript, Rust, and C++ . Analyze code quality, maintainability, and adherence to real-world engineering standards. Provide expert-level feedback on version control … Programming Expertise : Proficiency in at least two of the following languages: JavaScript, Python, Go, Java, TypeScript, Rust, or C++. Industry Experience : Hands-on experience building and maintaining production-grade software repositories. Version Control : Strong knowledge of Git (or similar), including branching, merging, and collaborative workflows. Problem Solving : Proven ability to conduct code reviews, debug complex issues, and analyze large More ❯

Hiring a Software Engineer For AI Training (Remote) Join the top 1% of Software Engineers worldwide to shape the future of AI. Earn up to $8,000 - $10,000 USD per month , working remotely on flexible projects that push the boundaries of technology. Locations : UK, US, AR, AU, PR, CA, MX, NZ What You Will Be Doing Create … and answer technical questions about software engineering concepts, coding best practices, and debugging strategies to help train AI models. Review and evaluate code generated by AI in languages such as JavaScript, Python, Go, Java, TypeScript, Rust, and C++ . Analyze code quality, maintainability, and adherence to real-world engineering standards. Provide expert-level feedback on version control … Programming Expertise : Proficiency in at least two of the following languages: JavaScript, Python, Go, Java, TypeScript, Rust, or C++. Industry Experience : Hands-on experience building and maintaining production-grade software repositories. Version Control : Strong knowledge of Git (or similar), including branching, merging, and collaborative workflows. Problem Solving : Proven ability to conduct code reviews, debug complex issues, and analyze large More ❯

Hiring a Software Engineer For AI Training (Remote) Join the top 1% of Software Engineers worldwide to shape the future of AI. Earn up to $8,000 - $10,000 USD per month , working remotely on flexible projects that push the boundaries of technology. Locations : UK, US, AR, AU, PR, CA, MX, NZ What You Will Be Doing Create … and answer technical questions about software engineering concepts, coding best practices, and debugging strategies to help train AI models. Review and evaluate code generated by AI in languages such as JavaScript, Python, Go, Java, TypeScript, Rust, and C++ . Analyze code quality, maintainability, and adherence to real-world engineering standards. Provide expert-level feedback on version control … Programming Expertise : Proficiency in at least two of the following languages: JavaScript, Python, Go, Java, TypeScript, Rust, or C++. Industry Experience : Hands-on experience building and maintaining production-grade software repositories. Version Control : Strong knowledge of Git (or similar), including branching, merging, and collaborative workflows. Problem Solving : Proven ability to conduct code reviews, debug complex issues, and analyze large More ❯

Permanent, 1 to 2 days in office in London. Salary is up to £75k + bonus + benefits Software Engineer, Full Stack Developer (Node/Microservices/AWS) You will work on building a scalable distributed component-based AI platform including - configurable agentic workflows, flexible APIs, advanced business intelligence, one-click deployment and roll-back, sophisticated monitoring, self-healing … stack developer to work on greenfield projects. You will be self-motivated, and results oriented with a very strong attention to detail and quality. You will: Work with professional software engineering practices and set best practices for the full software development life cycle Collaborate closely with team members and product owners to share best practice as well … API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support of business-critical functions with an appreciation of the full development lifecycle. Proven ability to understand both More ❯

Permanent, 1 to 2 days in office in London. Salary is up to £75k + bonus + benefits Software Engineer, Full Stack Developer (Node/Microservices/AWS) You will work on building a scalable distributed component-based AI platform including - configurable agentic workflows, flexible APIs, advanced business intelligence, one-click deployment and roll-back, sophisticated monitoring, self-healing … stack developer to work on greenfield projects. You will be self-motivated, and results oriented with a very strong attention to detail and quality. You will: Work with professional software engineering practices and set best practices for the full software development life cycle Collaborate closely with team members and product owners to share best practice as well … API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support of business-critical functions with an appreciation of the full development lifecycle. Proven ability to understand both More ❯

Permanent, 1 to 2 days in office in London. Salary is up to £75k + bonus + benefits Software Engineer, Full Stack Developer (Node/Microservices/AWS) You will work on building a scalable distributed component-based AI platform including - configurable agentic workflows, flexible APIs, advanced business intelligence, one-click deployment and roll-back, sophisticated monitoring, self-healing … stack developer to work on greenfield projects. You will be self-motivated, and results oriented with a very strong attention to detail and quality. You will: Work with professional software engineering practices and set best practices for the full software development life cycle Collaborate closely with team members and product owners to share best practice as well … API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support of business-critical functions with an appreciation of the full development lifecycle. Proven ability to understand both More ❯

Permanent, 1 to 2 days in office in London. Salary is up to £75k + bonus + benefits Software Engineer, Full Stack Developer (Node/Microservices/AWS) You will work on building a scalable distributed component-based AI platform including - configurable agentic workflows, flexible APIs, advanced business intelligence, one-click deployment and roll-back, sophisticated monitoring, self-healing … stack developer to work on greenfield projects. You will be self-motivated, and results oriented with a very strong attention to detail and quality. You will: Work with professional software engineering practices and set best practices for the full software development life cycle Collaborate closely with team members and product owners to share best practice as well … API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad Experience with Java and Python Education & Experience Bachelor’s degree in computing, science, or engineering. At least 3 years of software development experience in a commercial environment. Track record of delivery and support of business-critical functions with an appreciation of the full development lifecycle. Proven ability to understand both More ❯

Overview Senior Software Engineer - Infrastructure Job ID: EV3090 Location: London - The River Building HQ Permanent Ready to apply? Get started with your online application. Not quite your dream role? Sign up to be notified when the right vacancy comes along. The Team At Deliveroo we're striving to build one of the world's best engineering organisations. We … unique and difficult problems at scale in an energetic and fast-paced environment. We're growing quickly and need experienced engineers to help us scale. We're looking for software engineers who can have a transformative influence on the way we build, operate and run our database infrastructure. What will you do? Design and build the systems automation required … to allow Deliveroo to manage and operate our large-scale cloud database estate. Work closely with DBAs to gain expertise in database engineering practices and technologies. Develop best practices, tools, and libraries to make the AWS database ecosystem easier to use and more reliable for product teams. Technical Execution You will improve code structure and architecture and review code More ❯

Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation is committed to … empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Software Engineer - Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain code and write automated tests to … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Software Engineer - Experience Required Proven experience as a Full Stack Engineer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. More ❯

Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation is committed to … empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and browsers. Maintain code and write automated tests to … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. More ❯

Architecture Design: Develop and implement system architectures that meet business requirements. Ensure scalability, security, and performance of the platform. Evaluate and recommend technologies and tools to enhance development efficiency. Software Development: Write clean, maintainable, and efficient code. Oversee the development of new features and enhancements. Conduct code reviews and ensure adherence to best practices. Team Leadership: Lead and mentor … project scopes, timelines, and deliverables. Monitor progress and adjust plans as necessary to meet deadlines. Communicate project status and risks to stakeholders. Quality Assurance: Implement testing strategies to ensure software quality. Address and resolve technical issues promptly. Maintain documentation for system architecture and development processes. Stay Current with Industry Trends: Keep up-to-date with emerging technologies and industry … best practices. Integrate relevant advancements into the company's technology stack. Qualifications: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field. Experience: Minimum of 7 years of professional experience in software development. At least 3 years in a system architect or senior developer role. Proven experience leading development teams. Technical Skills More ❯

Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity … insurance markets. As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model … data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location/WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python More ❯