276 to 300 of 949 Software Engineer Jobs in London

Junior Software Engineer Trading Systems £80,000 Plus Bonus + yearly Ski Trip Quant Capital is urgently looking for a C# Developer with experience of Trading or Financial Services to join our high profile client. I am looking at junior engineers keen on learning back office and settlement systems before moving into trading development. Our client is a … office is state of the art with an atmosphere of bright sharp developers and traders. This is a unique opportunity for an ambitious candidate to get experience in a software engineer role within the Trading team, focusing on building, enhancing and maintaining the Algorithmic Product suite. C# Developers MUST have: · STEM Degree from a top UK or US More ❯

Junior Software Engineer Trading Systems £80,000 Plus Bonus + yearly Ski Trip Quant Capital is urgently looking for a C# Developer with experience of Trading or Financial Services to join our high profile client. I am looking at junior engineers keen on learning back office and settlement systems before moving into trading development. Our client is a … office is state of the art with an atmosphere of bright sharp developers and traders. This is a unique opportunity for an ambitious candidate to get experience in a software engineer role within the Trading team, focusing on building, enhancing and maintaining the Algorithmic Product suite. C# Developers MUST have: · STEM Degree from a top UK or US More ❯

Lead Software Engineer | AI-Powered Real Estate Startup Were partnering with a fast-growing AI startup thats transforming how investors make decisions in real estate. Their cloud-native SaaS platform combines street-level data, financial modelling, and machine learning to deliver smarter, data-driven investment insights . With a new funding round about to drop , theyre entering a … bold new growth phase - expanding products, scaling systems, and doubling down on innovation. As the Lead Software Engineer , youll play a pivotal role in shaping the platform and the team behind it. Youll define the technical roadmap, collaborate with product and data teams to ship impactful features, and stay hands-on when it counts - ensuring scalability, reliability, and More ❯

Lead Software Engineer | AI-Powered Real Estate Startup We’re partnering with a fast-growing AI startup that’s transforming how investors make decisions in real estate. Their cloud-native SaaS platform combines street-level data, financial modelling, and machine learning to deliver smarter, data-driven investment insights . With a new funding round about to drop , they … re entering a bold new growth phase - expanding products, scaling systems, and doubling down on innovation. As the Lead Software Engineer , you’ll play a pivotal role in shaping the platform and the team behind it. You’ll define the technical roadmap, collaborate with product and data teams to ship impactful features, and stay hands-on when it More ❯

Software Engineer - 1-2 years experience Up to £55k Hybrid working in London (3 days p/week) Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack Software Engineers? You will be joining a dynamic product team, where you will be building great software and diving into … the world of AI. The company is committed to providing a seamless experience for both customers and internal teams. This opportunity is suitable for Software Engineers with 12-24 months experience. As a Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js and AWS. Core requirements: Commercial experience with their stack TypeScript … React, Next.js and Node.js. Happy to consider fresh graduates with GitHub projects. AWS infrastructure. Engineering or mathematics background, 1st class degree preferred If you’re a Fullstack Engineer who enjoys the idea of working in a fast-paced start-up, please apply. More ❯

Software Engineer - 1-2 years experience Up to £55k Hybrid working in London (3 days p/week) Would you like the opportunity to work for a fast-growing start-up, currently looking for several Fullstack Software Engineers? You will be joining a dynamic product team, where you will be building great software and diving into … the world of AI. The company is committed to providing a seamless experience for both customers and internal teams. This opportunity is suitable for Software Engineers with 12-24 months experience. As a Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js and AWS. Core requirements: Commercial experience with their stack TypeScript … React, Next.js and Node.js. Happy to consider fresh graduates with GitHub projects. AWS infrastructure. Engineering or mathematics background, 1st class degree preferred If you’re a Fullstack Engineer who enjoys the idea of working in a fast-paced start-up, please apply. More ❯

career growth opportunities, join us, and build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play a key role in crafting and developing … groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead efforts in resolving and debugging to ensure flawless software delivery. Mentor and guide junior engineers … encouraging a culture of inclusion and collaboration. Conduct code reviews to maintain our proven high standards of software quality. Engage in agile development processes, strictly following standard methodologies. Extend the custody platform within the Ecosystem department to new possibilities like staking and tokenization. Requirements To successfully implement our vision, you must have: A Bachelor's or equivalent experience in More ❯

OTC Trading Software Engineer STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a vibrant global engineering team. We are looking for a Software Engineer to join our OTC Trading Technology (OTC) team, which builds and … WebSocket, FIX 4.4) used by clients and internal trading systems. • Work closely with traders, quants, and other engineers to deliver performant, secure, and scalable solutions. • Collaborate with the Principal Engineer and team leads to ensure systems meet engineering standards and business objectives. • Contribute to development of the Client Portal, Admin Portal, and RFQ trading engines. • Integrate with quantitative pricing … trading business. This is a hands-on engineering role focused on building robust and responsive trading systems that operate in a fast-paced environment. We are seeking a proactive engineer who takes ownership of deliverables, works collaboratively across teams, and thrives in solving complex technical challenges that directly impact trading performance and client experience. Expected Qualifications • 3+ years’ experience More ❯

Software Engineer – Finance Technology Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributed systems, data engineering, and high … monitoring and reporting tools for regulatory requirements Work across the full SDLC, from requirements gathering to deployment and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributed systems, microservices-based architectures Commitment to clean, disciplined software More ❯

Software Engineer – Finance Technology Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributed systems, data engineering, and high … monitoring and reporting tools for regulatory requirements Work across the full SDLC, from requirements gathering to deployment and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributed systems, microservices-based architectures Commitment to clean, disciplined software More ❯

Software Engineer – Finance Technology Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributed systems, data engineering, and high … monitoring and reporting tools for regulatory requirements Work across the full SDLC, from requirements gathering to deployment and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributed systems, microservices-based architectures Commitment to clean, disciplined software More ❯

Software Engineer – Finance Technology Location: London (Hybrid – 4:1) Our client, a leading global trading firm, is seeking a Software Engineer to join its Finance Technology team. This group builds and maintains the systems that power financial control, treasury, and tax functions across the business. The role offers exposure to distributed systems, data engineering, and high … monitoring and reporting tools for regulatory requirements Work across the full SDLC, from requirements gathering to deployment and support What We’re Looking For 3–6 years of professional software engineering experience Strong academic grounding in algorithms and data structures Experience with concurrent programming and asynchronous systems Familiarity with distributed systems, microservices-based architectures Commitment to clean, disciplined software More ❯

Senior Backend Engineer – Build Tech That Powers Global Insights Location: London - Hybrid Salary: Up to £110,000 + benefits We are partnering with a fast-growing tech company that’s transforming how data is collected and used across industries. They’ve built a platform that simplifies complex research workflows, and they’re now looking for a Senior Backend Engineer … for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

Senior Backend Engineer – Build Tech That Powers Global Insights Location: London - Hybrid Salary: Up to £110,000 + benefits We are partnering with a fast-growing tech company that’s transforming how data is collected and used across industries. They’ve built a platform that simplifies complex research workflows, and they’re now looking for a Senior Backend Engineer … for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

Senior Backend Engineer – Build Tech That Powers Global Insights Location: London - Hybrid Salary: Up to £110,000 + benefits We are partnering with a fast-growing tech company that’s transforming how data is collected and used across industries. They’ve built a platform that simplifies complex research workflows, and they’re now looking for a Senior Backend Engineer … for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

Senior Backend Engineer – Build Tech That Powers Global Insights Location: London - Hybrid Salary: Up to £110,000 + benefits We are partnering with a fast-growing tech company that’s transforming how data is collected and used across industries. They’ve built a platform that simplifies complex research workflows, and they’re now looking for a Senior Backend Engineer … for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

Software Engineer (SC & NPPV3) 6 Month Contract Fully Remote Rate: £500 - £600 per day (Inside IR35) Skills: C#.Net, XML/JSON API's, SC & NPPV3 Clearance We are looking for an experienced Software Engineer to join a high-profile public sector project. You will play a key role in designing, building, and maintaining software solutions … .NET 6+ Work with XML/JSON APIs for integration and data exchange Develop and execute automated tests with MSTest Collaborate with stakeholders to gather and analyse requirements Ensure software is secure, scalable, and maintainable Essential Skills Strong commercial experience in C# In-depth knowledge of .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs More ❯

I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage … solutions architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: £80,000 - £95,000 Industry: Software/Data Analytics Requirements: Over 7 years of experience as a Full Stack Developer. Proven track record in leading product development and architecting solutions. Demonstrated expertise in … Jenkins, and Linux. Responsibilities: Own the technical roadmap , aligning it with the product strategy to achieve key business objectives. Architect and manage robust solutions and APIs . Deliver critical software engineering , with a focus on rapid prototyping. Inspire and mentor a highly motivated, polyglot on-site development team. Lead R&D initiatives and technical debt reduction , actively supporting team More ❯

I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage … solutions architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: £80,000 - £95,000 Industry: Software/Data Analytics Requirements: Over 7 years of experience as a Full Stack Developer. Proven track record in leading product development and architecting solutions. Demonstrated expertise in … Jenkins, and Linux. Responsibilities: Own the technical roadmap , aligning it with the product strategy to achieve key business objectives. Architect and manage robust solutions and APIs . Deliver critical software engineering , with a focus on rapid prototyping. Inspire and mentor a highly motivated, polyglot on-site development team. Lead R&D initiatives and technical debt reduction , actively supporting team More ❯

I'm working with a fantastic software company that's looking for a Principal Software Engineer to join their team. They've developed a powerful product that utilises data analytics and machine learning to optimise inventory data, built primarily on Java. This is a key role where you'll take ownership of the technical roadmap and manage … solutions architecture, acting as a vital link between leadership and the engineering team. Job Title: Principal Software Engineer Location: Central London (Office Based) Salary: £80,000 - £95,000 Industry: Software/Data Analytics Requirements: Over 7 years of experience as a Full Stack Developer. Proven track record in leading product development and architecting solutions. Demonstrated expertise in … Jenkins, and Linux. Responsibilities: Own the technical roadmap , aligning it with the product strategy to achieve key business objectives. Architect and manage robust solutions and APIs . Deliver critical software engineering , with a focus on rapid prototyping. Inspire and mentor a highly motivated, polyglot on-site development team. Lead R&D initiatives and technical debt reduction , actively supporting team More ❯

C++ Software Engineer London | Hybrid (2-3 days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency … team of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. Youll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability. Key Responsibilities: Design and develop high-throughput order gateway components in modern C++ Implement robust connectivity, order validation and routing logic … This is an opportunity to work at the heart of a global trading platform, building technology that traders and researchers rely on every day. If youre a passionate C++ engineer who thrives on writing elegant, high-performance code, wed love to hear from you. Apply now through Ncounter for a confidential discussion and to learn more about this role. More ❯

Backend Software Engineer (AI) £750 - £800 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to enable faster, personalised therapies that improve patient outcomes worldwide - and they're seeking … a Backend Software Engineer to help bring that mission to life. The Role You'll be joining a multidisciplinary AI/ML team responsible for developing the infrastructure and software that powers cutting-edge research and intelligent applications. The role focuses on backend development in Python, integrating AI components with data, compute, and frontend systems to create More ❯

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross … functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor and support junior engineers, helping to develop their skills and promote best practices. Collaborate with cross … functional teams, including product management, UX/UI, DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and resolve technical issues, ensuring software operates smoothly and efficiently. Stay current More ❯

Job Title: Senior Software Engineer Location: London (Hybrid/Remote options available) Salary: £80,000 per annum About the Role: We are seeking a talented and motivated Software Engineer with 5+ years of experience to join our dynamic team based in London. You will be instrumental in developing, deploying, and maintaining scalable web applications using modern … technologies. Key Responsibilities: Design, develop, and maintain web applications using Python and Django Build and manage cloud infrastructure on AWS Collaborate with cross-functional teams to deliver high-quality software solutions Write clean, maintainable, and efficient code following best practices Troubleshoot and resolve software defects and performance issues Requirements: 5+ years of proven experience in Python and Django More ❯

Job Title: Senior Software Engineer Location: London (Hybrid/Remote options available) Salary: £80,000 per annum About the Role: We are seeking a talented and motivated Software Engineer with 5+ years of experience to join our dynamic team based in London. You will be instrumental in developing, deploying, and maintaining scalable web applications using modern … technologies. Key Responsibilities: Design, develop, and maintain web applications using Python and Django Build and manage cloud infrastructure on AWS Collaborate with cross-functional teams to deliver high-quality software solutions Write clean, maintainable, and efficient code following best practices Troubleshoot and resolve software defects and performance issues Requirements: 5+ years of proven experience in Python and Django More ❯