Senior SoftwareEngineer - London - £120k Please note - this role will require you to work from the London based office three days per week. You must have the unrestricted right to work in the UK to be eligible for this role - this organisation is not able to offer sponsorship. Are you passionate about building cutting-edge technology solutions that … building out our new front-end analytics platform, delivering intuitive, high-performance tools that empower users with real-time insights and advanced visualization capabilities. Collaborate with commercial teams to engineer and optimize processes and analytical models. Build and maintain Python-based services and APIs using modern frameworks and best practices. Develop solutions for data modeling, market analysis, and position More ❯
seamless experience that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior SoftwareEngineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring … of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex problems, and are ready to lead innovative projects, we encourage you to apply. Join our dynamic team and contribute to building transformative solutions that make a tangible impact. This role will be eligible … Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large-scale projects. Database More ❯
london (city of london), south east england, united kingdom
Online Filings
seamless experience that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior SoftwareEngineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring … of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex problems, and are ready to lead innovative projects, we encourage you to apply. Join our dynamic team and contribute to building transformative solutions that make a tangible impact. This role will be eligible … Qualifications and Key Skills Education: Bachelor’s in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large-scale projects. Database More ❯
SoftwareEngineer - Compiler Role Overview: Develop and optimize compiler technologies for our RISC-V vector core, focusing on efficient code generation and optimization for graphics and AI workloads. Key Responsibilities: Develop and maintain compiler backend for our RISC-V vector extensions Implement code generation and optimization passes for graphics and AI workloads Contribute to shader compilers for Vulkan More ❯
london (city of london), south east england, united kingdom
microTECH Global LTD
SoftwareEngineer - Compiler Role Overview: Develop and optimize compiler technologies for our RISC-V vector core, focusing on efficient code generation and optimization for graphics and AI workloads. Key Responsibilities: Develop and maintain compiler backend for our RISC-V vector extensions Implement code generation and optimization passes for graphics and AI workloads Contribute to shader compilers for Vulkan More ❯
Senior SoftwareEngineer – Shopify/FinTech Integrations Full Stack ( Backend-leaning | TypeScript ) London/Hybrid – 1 day per week in-office Up to £90k DOE + MacBook Pro + £600 wellbeing allowance 🚫 Visa sponsorship not available Join a VC-backed, fast-growing startup that’s redefining how customers shop for luxury fashion online. Backed by top-tier investors More ❯
london (city of london), south east england, united kingdom
Urban Digital Recruitment Ltd
Senior SoftwareEngineer – Shopify/FinTech Integrations Full Stack ( Backend-leaning | TypeScript ) London/Hybrid – 1 day per week in-office Up to £90k DOE + MacBook Pro + £600 wellbeing allowance 🚫 Visa sponsorship not available Join a VC-backed, fast-growing startup that’s redefining how customers shop for luxury fashion online. Backed by top-tier investors More ❯
City of London, London, United Kingdom Hybrid / WFH Options
microTECH Global LTD
As a GPU SoftwareEngineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in Electronics Engineering, Computer Science, or a related field. Proven experience … platform solutions for operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and evaluate complex signal processing code More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
microTECH Global LTD
As a GPU SoftwareEngineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in Electronics Engineering, Computer Science, or a related field. Proven experience … platform solutions for operating systems including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test and evaluate complex signal processing code 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 Staff SoftwareEngineer to join our Engineering team. You will provide technical leadership for both delivery squads and the wider engineering organisation. Along with our engineering leadership, you’ll champion engineering excellence and high standards of quality through an environment of continuous improvement. You will be hands-on, directly delivering new impactful software. You … will be able to propose, design, and execute initiatives independently, leading colleagues to deliver on these goals. Principal Accountabilities: - Build robust and scalable software for business critical, web-based applications - Design, build, test, document and maintain API’s and integrations - Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams - Ensure quality control using industry More ❯
london (city of london), south east england, united kingdom
Ki
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 Staff SoftwareEngineer to join our Engineering team. You will provide technical leadership for both delivery squads and the wider engineering organisation. Along with our engineering leadership, you’ll champion engineering excellence and high standards of quality through an environment of continuous improvement. You will be hands-on, directly delivering new impactful software. You … will be able to propose, design, and execute initiatives independently, leading colleagues to deliver on these goals. Principal Accountabilities: - Build robust and scalable software for business critical, web-based applications - Design, build, test, document and maintain API’s and integrations - Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams - Ensure quality control using industry More ❯
We refer top candidates to our partners working with the world’s leading AI research labs and fast-growing startups to help build cutting-edge technology. Role: LLM - Sr. SoftwareEngineer – LLM Evaluation & Repository Validation Type of Role: Short-term Contract Engagement Duration: 1 month (with possible extensions) Commitment: 10–40 hrs/week (flexible, partial PST overlap … Date: Immediate Rate Range: $80–$125/hour Project Overview We’re building high-quality evaluation and training datasets to improve how Large Language Models (LLMs) interact with realistic software engineering tasks. Engineers will work on diverse projects such as enabling models to traverse complex code bases or building agents that boost model performance. Role Overview — What Does a … per task using a structured ranking system. Evaluate code diffs for correctness, quality, style, and efficiency. Provide clear, structured rationales for evaluation decisions. Required Skills & Experience Several years of software engineering experience , including 1 + continuous years at product companies Strong expertise in Rust development and deploying scalable, production-grade software. Deep understanding of software architecture, debugging, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Crossing Hurdles
We refer top candidates to our partners working with the world’s leading AI research labs and fast-growing startups to help build cutting-edge technology. Role: LLM - Sr. SoftwareEngineer – LLM Evaluation & Repository Validation Type of Role: Short-term Contract Engagement Duration: 1 month (with possible extensions) Commitment: 10–40 hrs/week (flexible, partial PST overlap … Date: Immediate Rate Range: $80–$125/hour Project Overview We’re building high-quality evaluation and training datasets to improve how Large Language Models (LLMs) interact with realistic software engineering tasks. Engineers will work on diverse projects such as enabling models to traverse complex code bases or building agents that boost model performance. Role Overview — What Does a … per task using a structured ranking system. Evaluate code diffs for correctness, quality, style, and efficiency. Provide clear, structured rationales for evaluation decisions. Required Skills & Experience Several years of software engineering experience , including 1 + continuous years at product companies Strong expertise in Rust development and deploying scalable, production-grade software. Deep understanding of software architecture, debugging, and More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Crossing Hurdles
We refer top candidates to our partners working with the world’s leading AI research labs and fast-growing startups to help build cutting-edge technology. Role: LLM - Sr. SoftwareEngineer – LLM Evaluation & Repository Validation Type of Role: Short-term Contract Engagement Duration: 1 month (with possible extensions) Commitment: 10–40 hrs/week (flexible, partial PST overlap … Date: Immediate Rate Range: $80–$125/hour Project Overview We’re building high-quality evaluation and training datasets to improve how Large Language Models (LLMs) interact with realistic software engineering tasks. Engineers will work on diverse projects such as enabling models to traverse complex code bases or building agents that boost model performance. Role Overview — What Does a … per task using a structured ranking system. Evaluate code diffs for correctness, quality, style, and efficiency. Provide clear, structured rationales for evaluation decisions. Required Skills & Experience Several years of software engineering experience , including 1 + continuous years at product companies Strong expertise in Rust development and deploying scalable, production-grade software. Deep understanding of software architecture, debugging, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a SoftwareEngineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Cocentric
and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a SoftwareEngineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing More ❯
City of London, London, Cathedrals, United Kingdom
The Portfolio Group
We're looking for a Senior-level SoftwareEngineer 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 More ❯
Are you an enthusiastic, well-rounded, mid-to-lead SoftwareEngineer, eager to grow the breadth and depth of your technical abilities, and enhance your responsibilities, working at the sharp end of missions in the NatSec domain? Are you happy to work "high-side", on-site 3-5 days/week? And... do you have experience with a More ❯
entering an exciting scale-up phase. This is a unique opportunity to join and directly shape a pioneering consumer product. Role Overview We are looking for an outstanding Senior SoftwareEngineer to join our fast-moving journey. You’ll be a key contributor across the stack in our Rust-based environment, building intuitive experiences and scalable systems while … code reviews, mentor engineers, and support hiring as we grow Take ownership from concept to delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments More ❯
london (city of london), south east england, united kingdom
Heart Mind Talent
entering an exciting scale-up phase. This is a unique opportunity to join and directly shape a pioneering consumer product. Role Overview We are looking for an outstanding Senior SoftwareEngineer to join our fast-moving journey. You’ll be a key contributor across the stack in our Rust-based environment, building intuitive experiences and scalable systems while … code reviews, mentor engineers, and support hiring as we grow Take ownership from concept to delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
SR2 are currently looking for a Principal SoftwareEngineer (Python/React) for a fast-growing start-up company in London. Location: Central London (2-3 days a week onsite). Salary: £100 - 120k. What we are looking for: Key skills: Python, React, TypeScript & AWS. Proven track record in a client-facing technical role, dealing with internal & external … stakeholders. Ability to lead on projects and deliver high quality software on time. Experience working at a start-up company or a strong preference for working in a growing, fast paced environment. You must have full right to work in the UK to apply for this role. If interested, please apply with your updated CV and we’ll line More ❯
london (city of london), south east england, united kingdom
SR2 | Socially Responsible Recruitment | Certified B Corporation™
SR2 are currently looking for a Principal SoftwareEngineer (Python/React) for a fast-growing start-up company in London. Location: Central London (2-3 days a week onsite). Salary: £100 - 120k. What we are looking for: Key skills: Python, React, TypeScript & AWS. Proven track record in a client-facing technical role, dealing with internal & external … stakeholders. Ability to lead on projects and deliver high quality software on time. Experience working at a start-up company or a strong preference for working in a growing, fast paced environment. You must have full right to work in the UK to apply for this role. If interested, please apply with your updated CV and we’ll line More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Graduate SoftwareEngineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Salary: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Fund Kickstart Your Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hunter Bond
Graduate SoftwareEngineer/Quantitative Developer/Quantitative Researcher 📍 Location: London (Hybrid) 💷 Salary: Up to £170,000 + Bonus + Full Benefits 🏢 Client: Elite Fund Kickstart Your Career! Just graduated and ready to launch your career in high-performance technology and quantitative finance? Join a leading global trading firm where innovation rules — no legacy systems, no bureaucracy, just More ❯
next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. We are looking for a passionate and skilled Sr Full-Stack Robotics SoftwareEngineer to join our innovative team in London. Our Mission At Humanoid, we strive to create the world’s leading, commercially scalable, safe, and advanced humanoid robots that … KPIs using modern front-end frameworks like React. Develop robust backend services to support the platform, including APIs for communication, data management, and integrations with robotic systems. Build lightweight software services that run on the robots, enabling remote control, data collection, diagnostics, and state management. Integrate Human Interface Devices (HID) such as game controllers or joysticks to provide intuitive … low-latency remote control over robot movements and actions. Streamline and automate workflows, including software deployment, performance monitoring, and diagnostics, to enhance reliability and efficiency. Implement testing pipelines to validate the functionality of the UI, backend, robot-side services, and HID-driven control flows. Ensure smooth communication and functionality between the platform, backend services, robot-side services, hardware systems More ❯