City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior SoftwareEngineer/Developer (Data) London/WFH to £115k Global-leading FinTech is seeking a Senior SoftwareEngineer to take ownership of a new team responsible for data focussed strategic enhancements on their core platform. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing technology and … have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders and deepen your finance experience. As a Senior SoftwareEngineer, you'll work on strategic initiatives to develop integration … ll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You're a data centric, Senior SoftwareEngineer with a strong knowledge of modern software engineering best practices You have strong development experience with C#, C++ or Python You have advanced SQL database knowledge More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Client Server
SoftwareEngineer/Front End Developer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career as … a SoftwareEngineer at a well-established AI company acting as tech incubator within the World Economic Forum to tackle issues like climate change, AI, battery technology and other real world problems. As a SoftwareEngineer you'll design and develop new features and enhancements on the core product that uses Artificial Intelligence to harness knowledge … You have excellent communication and collaboration skills You are a passionate technologist, keep up to date with the latest innovations and learn new things You have solid knowledge of software engineering principles, Agile practices, CI/CD and ideally have experience within a cloud environment (AWS preferred) You are a bright, proactive individual and a strong problem solver with More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python SoftwareEngineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent … software platform. They’re now looking for a Python SoftwareEngineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and … enjoy solving interesting technical problems in a modern SaaS environment. We’d love to hear from you. 📩 Apply now to learn more about the company and this opportunity! (Python Engineer, Python Developer, Backend Developer, Software Developer, SoftwareEngineer, Django Developer, Django, FastAPI, Flask, AWS, SaaS, REST API, Cloud, CI/CD, Start-up, London, Hybrid More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | Python SoftwareEngineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their intelligent … software platform. They’re now looking for a Python SoftwareEngineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable code and … enjoy solving interesting technical problems in a modern SaaS environment. We’d love to hear from you. 📩 Apply now to learn more about the company and this opportunity! (Python Engineer, Python Developer, Backend Developer, Software Developer, SoftwareEngineer, Django Developer, Django, FastAPI, Flask, AWS, SaaS, REST API, Cloud, CI/CD, Start-up, London, Hybrid More ❯
City Of London, England, United Kingdom Hybrid / WFH Options
Harrington Starr
SoftwareEngineer C#, .NET Core, NUnit, Postgres, AWS, Azure, Kubernetes, Docker. City of London, United Kingdom Perm Role: £65,000 - £80,000 Harrington Starr has partnered with a Global Financial Technology company, and they are looking to hire a Mid - Senior C#, .Net SoftwareEngineer, with experience working with highly scalable and performant systems. This is … unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Mid - Senior SoftwareEngineer, with strong C#, .Net experience, having a direct impact from the get-go! For any additional questions, please contact me via LinkedIn or through email - ollie.bluck@harringtonstarr.com. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harrington Starr
Senior SoftwareEngineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET SoftwareEngineer to join their growing team! This role provides the perfect opportunity to launch … skills. Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior SoftwareEngineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
Applied AI SoftwareEngineer - Python, Fast API, AWS, LLMs OB are partnered with a high-growth, B2B SaaS start-up who are looking to hire a highly skilled Applied AI Engineer to their Product Engineering team, where you'll pioneer the development of complex applications leveraging GenAI models. This role won't be a role focused on … building and training models from scratch, instead you'll leverage the latest tools in AI to build software that helps solve business problems, adds value to the product and shape the businesses AI roadmap. Applied AI SoftwareEngineer - Python, Fast API, AWS, LLMs Key skills and experience: 5+ years of experience, ideally working in high-growth start … top ranked University Base salary of £80k-£110k Exceptional equity and benefits package Hybrid working, with 2-3 days a week required in a Central London office Applied AI SoftwareEngineer - Python, Fast API, AWS, LLMs More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ashdown Group
A well-established business is looking for an accomplished SoftwareEngineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and … AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead SoftwareEngineer role you must be an accomplished developer with a passion for technology and desire to mentor … role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. You will also partner with key stakeholders to drive forward technological innovation and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Capsa AI
At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior SoftwareEngineer - Full Stack Location : London, UK (Hybrid, In-Person 4 days a … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior softwareengineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key responsibilities include … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a softwareengineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Capsa AI
At a Glance Capsa is an AI platform that accelerates due diligence and deepens insights for Private Equity funds. We are hiring senior software engineers who are comfortable contributing across all layers of the application and developing features end to end. Details: Role : Senior SoftwareEngineer - Full Stack Location : London, UK (Hybrid, In-Person 4 days a … companies like QinetiQ and retail tech startups such as Standard AI. The entire team consists of early-stage startup veterans passionate about building exceptional products. The Role A senior softwareengineer at Capsa is expected to own projects and features from conception to production, working across the stack to deliver improvements to our AI platform. Key responsibilities include … vision and will have a direct impact on its success. Have the opportunity for fast career growth. Enjoy yourself! Apply if: You have 4+ years of experience as a softwareengineer in a venture backed startup or top tech firm. You have taken entire products or features from ideation to production and you've measured their impact. You More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Developer/Engineer (C++ Mac Extensions EDR) WFH/London to £80k Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the … data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a Software Developer you will focus on enabling the core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions … of the time, meeting up with colleagues in the London office once or twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR/EDTR You have VPN client or security experience You're collaborative with More ❯
City of London, London, United Kingdom Hybrid / WFH Options
THRivve by intelletec
Senior SoftwareEngineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior SoftwareEngineer to help shape its next generation of data products. This is a unique opportunity to influence the technical roadmap at a high-growth fintech scale More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
THRivve by intelletec
Senior SoftwareEngineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior SoftwareEngineer to help shape its next generation of data products. This is a unique opportunity to influence the technical roadmap at a high-growth fintech scale More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
About the Job Senior SoftwareEngineer- Hybrid (2 days on site)- London- £100K+ Incredible Benefits Are you passionate about working with cutting-edge technology and looking to grow your skills in a forward-thinking environment? We’re currently looking for Senior Software Engineers who enjoy being hands-on and thrive on solving complex technical challenges. If you … personal insurance space. The venture combines the agility and innovation of a start-up with the stability and backing of a major UK financial services provider. As a Senior SoftwareEngineer , you’ll collaborate closely with Product Owners, subject matter experts, and other team members to deliver high-quality outcomes through continuous development and release cycles. You’ll More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Tenth Revolution Group
About the Job Senior SoftwareEngineer- Hybrid (2 days on site)- London- £100K+ Incredible Benefits Are you passionate about working with cutting-edge technology and looking to grow your skills in a forward-thinking environment? We’re currently looking for Senior Software Engineers who enjoy being hands-on and thrive on solving complex technical challenges. If you … personal insurance space. The venture combines the agility and innovation of a start-up with the stability and backing of a major UK financial services provider. As a Senior SoftwareEngineer , you’ll collaborate closely with Product Owners, subject matter experts, and other team members to deliver high-quality outcomes through continuous development and release cycles. You’ll More ❯
City of London, London, United Kingdom Hybrid / WFH Options
DCV Technologies Limited
Position: SoftwareEngineer Smallworld (GSW) Location: Fully Remote (UK/Europe) Contract Duration: 12 months (with extension opportunity) Contract Type: (UK- Inside IR35), (Europe -B2B), (Permanent contracts available as well UK/Europe) Start Date: November 1, 2025 (Flexible) Overview/Essential Responsibilities: The SoftwareEngineer Smallworld will be responsible for developing, customizing, and maintaining applications … customer-specific customization and integration, including environments utilizing Citrix . Manage and maintain databases ( SWMFS DBA , VMDS , SQL , Oracle ). Utilize and manage source control systems and follow standard software development processes . Develop and maintain tools and applications using Magik , Java , JSF , and FME . Troubleshoot, debug, and resolve complex system and application issues. Support installation and configuration … of Smallworld suite components and apply operating system patches , fixes , and third-party software (e.g., ONA, Data Center Management). Analyze system performance, identify bottlenecks, and implement effective solutions. Collaborate closely with cross-functional teams to deliver high-quality software solutions. Document configurations, workflows, and system updates for ongoing maintenance and support. Primary Skillset: Smallworld suite (Core SW4 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Staff SoftwareEngineer – AI/ML (Business Systems Intelligence) London (Hybrid – 2 days per week in office) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work together. As a Staff SoftwareEngineer (AI/… to 5 days per year) Pension scheme Collaborative, inclusive, and forward-thinking engineering culture Strong focus on career development and ownership This role is ideal for a senior backend engineer who enjoys blending AI innovation with large-scale systems engineering , and wants to lead from the front as part of a growing and ambitious product-led company. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Staff SoftwareEngineer – AI/ML (Business Systems Intelligence) London (Hybrid – 2 days per week in office) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work together. As a Staff SoftwareEngineer (AI/… to 5 days per year) Pension scheme Collaborative, inclusive, and forward-thinking engineering culture Strong focus on career development and ownership This role is ideal for a senior backend engineer who enjoys blending AI innovation with large-scale systems engineering , and wants to lead from the front as part of a growing and ambitious product-led company. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Safe Intelligence
Safe Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Front End SoftwareEngineer to join our team! We're particularly looking for someone with strong front end engineering and Typescript experience and with some experience of backend development (ideally in Golang ). In this … days/week in the office in London (Hammersmith). We're excited to have you contribute to our mission! Responsibilities: As a Safe Intelligence Front End SoftwareEngineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and … end neural network training, MLOps, and academic research in machine learning are also beneficial. At a personal level we’re also looking for someone who is: Passionate about delivering software to realise safe AI solutions in line with client needs. Deeply technical and constantly in a state of learning. Able to communicate clearly and efficiently with a variety of More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Safe Intelligence
Safe Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Front End SoftwareEngineer to join our team! We're particularly looking for someone with strong front end engineering and Typescript experience and with some experience of backend development (ideally in Golang ). In this … days/week in the office in London (Hammersmith). We're excited to have you contribute to our mission! Responsibilities: As a Safe Intelligence Front End SoftwareEngineer, you will: Make key contributions to software development on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Develop simple and … end neural network training, MLOps, and academic research in machine learning are also beneficial. At a personal level we’re also looking for someone who is: Passionate about delivering software to realise safe AI solutions in line with client needs. Deeply technical and constantly in a state of learning. Able to communicate clearly and efficiently with a variety of More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Overloop
Senior SoftwareEngineer (UK/Europe based - Fully remote) This is an exciting opportunity to work on a project for our client, a well known global company in the music industry. We are looking for a Senior SoftwareEngineer based in the UK/Europe. At Overloop, we are a close-knit small team, committed to … UK based company, and our team currently works remotely from around Europe, Africa and and South America Are you the right candidate? We are looking for a Senior Python Engineer, based in the UK or Europe, and able to work UK hours. What you will do: Build products that empower artists and record labels across the globe Contribute to … in re-architecture, refinement and technical design of various systems Mentor more junior engineers and contribute to a culture of continuous learning Who you are: Seeking 8+ years of software engineering experience in the following areas: Implementing distributed systems Microservice and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Overloop
Senior SoftwareEngineer (UK/Europe based - Fully remote) This is an exciting opportunity to work on a project for our client, a well known global company in the music industry. We are looking for a Senior SoftwareEngineer based in the UK/Europe. At Overloop, we are a close-knit small team, committed to … UK based company, and our team currently works remotely from around Europe, Africa and and South America Are you the right candidate? We are looking for a Senior Python Engineer, based in the UK or Europe, and able to work UK hours. What you will do: Build products that empower artists and record labels across the globe Contribute to … in re-architecture, refinement and technical design of various systems Mentor more junior engineers and contribute to a culture of continuous learning Who you are: Seeking 8+ years of software engineering experience in the following areas: Implementing distributed systems Microservice and asynchronous architecture Python and Javascript Building responsive frontend applications (our client uses TypeScript, React, and GraphQL) Database technologies More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Novatus Global
do not stop here; we are on the lookout for top-tier talent to join us on our journey and enable our next phase of success. The Role: Senior SoftwareEngineer Location: London HQ Hybrid working and flexible hours: 4 days in the office and 1 WFH. Novatus Global is seeking an experienced Senior SoftwareEngineer … application architecture to ensure performance, scalability, and security. Use prior experience building products on the Snowflake platform to help drive innovation for Novatus’ En:ACT platform. Build high-quality software by developing reliable applications and data pipelines (ETL/ELT) and writing clean, maintainable, and testable code. Collaborate closely with Product, Data, and Regulatory Insights teams to translate complex … of the platform and the business. Champion innovation by exploring and adopting new technologies, frameworks, and practices to continuously enhance engineering delivery. About You: 5–8 years of professional software engineering experience. Proven expertise with Snowflake (design, optimisation, and performance tuning). Strong programming skills in Python, Java, or similar languages. Solid understanding of modern data engineering practices (ETL More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Novatus Global
do not stop here; we are on the lookout for top-tier talent to join us on our journey and enable our next phase of success. The Role: Senior SoftwareEngineer Location: London HQ Hybrid working and flexible hours: 4 days in the office and 1 WFH. Novatus Global is seeking an experienced Senior SoftwareEngineer … application architecture to ensure performance, scalability, and security. Use prior experience building products on the Snowflake platform to help drive innovation for Novatus’ En:ACT platform. Build high-quality software by developing reliable applications and data pipelines (ETL/ELT) and writing clean, maintainable, and testable code. Collaborate closely with Product, Data, and Regulatory Insights teams to translate complex … of the platform and the business. Champion innovation by exploring and adopting new technologies, frameworks, and practices to continuously enhance engineering delivery. About You: 5–8 years of professional software engineering experience. Proven expertise with Snowflake (design, optimisation, and performance tuning). Strong programming skills in Python, Java, or similar languages. Solid understanding of modern data engineering practices (ETL More ❯
City of London, London, United Kingdom Hybrid / WFH Options
GoodFit.io
companies out there. In order to keep up with demand, and accelerate development of the platform, we are expanding our core engineering team. About the role: As a Senior SoftwareEngineer at GoodFit, you'll be at the forefront of our technological innovation and product delivery. We're looking for someone who can navigate the fast-paced startup … pragmatism will be key to our success. You will: Be part of a small team, working in a fully remote-first environment, spanning Europe and UK As a senior softwareengineer, own understanding of business problems, design, implementation and release of critical features across our stack Design and develop scalable, efficient solutions primarily using JavaScript/TypeScript and … and wider organisation Be comfortable in a rapidly changing startup environment We'd love to hear from you if you have: You have 5+ years of professional experience in software development, with a proven track record of delivering impactful projects You're highly proficient in JavaScript and TypeScript, with extensive experience in AWS services (e.g., Lambda, Step functions, AppRunner More ❯
