551 to 575 of 750 Software Engineering Jobs in the City of London

at https://www.eunice.ai! About the role At Eunice, we are building the trusted infrastructure for digital assets and tokenized finance. We’re looking for a full-stack software engineer to join our fast-growing startup. This is an exciting opportunity for someone who enjoys a fast paced environment; loves the challenge to solve some of the hardest … AI challenges; and eager to grow into a top engineering leader. What you'll be doing Design and implement Eunice user-facing applications for all product lines. Manage interactions between user-facing applications & the AI/data platform behind it. Participate in company/product strategy discussion, share ideas on how the product can evolve to support future use … enjoy experimenting, and are comfortable to navigate a fast-paced, sometimes a little chaotic environment. Growth Mindset - You always love to learn & grow, and aspire to become a top engineering leader at some point in your career. Engineering Expertise - You have at least 5 years of experience in the industry and a solid foundation in computer science concepts More ❯

at https://www.eunice.ai! About the role At Eunice, we are building the trusted infrastructure for digital assets and tokenized finance. We’re looking for a full-stack software engineer to join our fast-growing startup. This is an exciting opportunity for someone who enjoys a fast paced environment; loves the challenge to solve some of the hardest … AI challenges; and eager to grow into a top engineering leader. What you'll be doing Design and implement Eunice user-facing applications for all product lines. Manage interactions between user-facing applications & the AI/data platform behind it. Participate in company/product strategy discussion, share ideas on how the product can evolve to support future use … enjoy experimenting, and are comfortable to navigate a fast-paced, sometimes a little chaotic environment. Growth Mindset - You always love to learn & grow, and aspire to become a top engineering leader at some point in your career. Engineering Expertise - You have at least 5 years of experience in the industry and a solid foundation in computer science concepts More ❯

for a Tech Support Developer with around three years of experience to join a fast-moving, innovative tech company working on fascinating, real-world challenges. Tech Support Developer/Software Engineer Salary: £50k Based: London (3 days in office) In this varied and rewarding role, you’ll be responsible for investigating and resolving technical issues, identifying bugs, and ensuring … systems and applications run smoothly. You’ll work closely with the engineering team, gaining hands-on experience with Node.js and backend systems, with the chance to get involved in other areas of development as your skills grow. Key Responsibilities: Investigate, troubleshoot, and resolve production issues across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and … engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills & Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience More ❯

for a Tech Support Developer with around three years of experience to join a fast-moving, innovative tech company working on fascinating, real-world challenges. Tech Support Developer/Software Engineer Salary: £50k Based: London (3 days in office) In this varied and rewarding role, you’ll be responsible for investigating and resolving technical issues, identifying bugs, and ensuring … systems and applications run smoothly. You’ll work closely with the engineering team, gaining hands-on experience with Node.js and backend systems, with the chance to get involved in other areas of development as your skills grow. Key Responsibilities: Investigate, troubleshoot, and resolve production issues across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and … engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills & Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience More ❯

Opportunity Summary Role | Graduate/Junior Software Engineer (Full-Stack) Experience | STEM degree (or equivalent) + personal projects/demonstrable passion for tech Company | Mission-Led Start-Up Stage | Scaling engineering team Location | London (Hybrid) Offer | 35,000 50,000 + benefits The Opportunity Kioni Talent is supporting a mission-led start-up in London as they expand … their engineering team. This is an exciting role for a passionate technologist who wants to work across the stack, learn from experienced engineers, and contribute to building meaningful software from day one. Youll be working with modern web technologies React, TypeScript, Next.js, Tailwind CSS with the backend hosted on AWS. This is a hands-on role where youll More ❯

Opportunity Summary 📛 Role | Graduate/Junior Software Engineer (Full-Stack) 🎓 Experience | STEM degree (or equivalent) + personal projects/demonstrable passion for tech 🏢 Company | Mission-Led Start-Up 📈 Stage | Scaling engineering team 📍 Location | London (Hybrid) 💰 Offer | £35,000 – £50,000 + benefits The Opportunity Kioni Talent is supporting a mission-led start-up in London as they expand … their engineering team. This is an exciting role for a passionate technologist who wants to work across the stack, learn from experienced engineers, and contribute to building meaningful software from day one. You’ll be working with modern web technologies — React, TypeScript, Next.js, Tailwind CSS — with the backend hosted on AWS. This is a hands-on role where More ❯

Opportunity Summary 📛 Role | Graduate/Junior Software Engineer (Full-Stack) 🎓 Experience | STEM degree (or equivalent) + personal projects/demonstrable passion for tech 🏢 Company | Mission-Led Start-Up 📈 Stage | Scaling engineering team 📍 Location | London (Hybrid) 💰 Offer | £35,000 – £50,000 + benefits The Opportunity Kioni Talent is supporting a mission-led start-up in London as they expand … their engineering team. This is an exciting role for a passionate technologist who wants to work across the stack, learn from experienced engineers, and contribute to building meaningful software from day one. You’ll be working with modern web technologies — React, TypeScript, Next.js, Tailwind CSS — with the backend hosted on AWS. This is a hands-on role where More ❯

Backend Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you … will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per … commutable distance of London. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP More ❯

Senior Software Engineer (Contract) Team: Digital Workplace Experience Contract: 6–12 months IR35 Status: OUTSIDE At Nando’s , we’re not just about PERi-PERi chicken — we’re about people, purpose, and passion. We believe that technology should bring warmth, connection, and joy to every Nandoca (that’s what we call everyone who works here). Our Digital Workplace … is on a mission to create beautifully simple, empowering digital tools that help our teams across restaurants and Central Support thrive every day. We’re looking for a Senior Software Engineer (React Native + Node.js) who shares our values and wants to make meaningful impact — creating tools that support real people, not just users. 🔥 What you’ll be doing More ❯

Senior Software Engineer (Contract) Team: Digital Workplace Experience Contract: 6–12 months IR35 Status: OUTSIDE At Nando’s , we’re not just about PERi-PERi chicken — we’re about people, purpose, and passion. We believe that technology should bring warmth, connection, and joy to every Nandoca (that’s what we call everyone who works here). Our Digital Workplace … is on a mission to create beautifully simple, empowering digital tools that help our teams across restaurants and Central Support thrive every day. We’re looking for a Senior Software Engineer (React Native + Node.js) who shares our values and wants to make meaningful impact — creating tools that support real people, not just users. 🔥 What you’ll be doing More ❯

Java Software Engineer An ambitious AI company on a mission to reshape how businesses harness the power of data and automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using Spring Boot Build scalable, cloud-based applications on AWS Collaborate … etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development, and continuous learning Why join us Be part of an AI-first engineering culture driving innovation in real-world applications Hybrid work – 3 days a week in our central London office Collaborative, supportive, and forward-thinking team More ❯

Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is … essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients. Solve user problems by drawing source and captured data into a single foundational data model and building operational workflows that materially change the decisions made Work closely with clients, to tailor products and services Design solutions for More ❯

Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is … essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients. Solve user problems by drawing source and captured data into a single foundational data model and building operational workflows that materially change the decisions made Work closely with clients, to tailor products and services Design solutions for More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are on the hunt for … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge … bonus if you have commercial experience in this area alongside the above product stack. Engineering team is relatively flat under the CTO with Mid through to Staff Engineers all contributing code as their main role. London onsite in Farringdon with some flex for 1-2 days from home each week if needed but most of the team work approx More ❯

Full Stack Product Software Engineer - £70-120k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior TDL are working with a Series A, ambitious start-up who are tackling manual admin heavy tasks across Fintech, Insurance and other surrounding sectors via their AI/LLM powered products. They are on the hunt for … new Developers with at least 2 years of industry experience to join the London based Engineering team. You'll ideally have experience using some of the following stack: Backend: Python, Flask/FastAPI Frontend: React with TypeScript Infra: Terraform, GCP/AWS Ideally you'll have at least an interest and have tinkered personally with LLM type projects. Huge … bonus if you have commercial experience in this area alongside the above product stack. Engineering team is relatively flat under the CTO with Mid through to Staff Engineers all contributing code as their main role. London onsite in Farringdon with some flex for 1-2 days from home each week if needed but most of the team work approx More ❯

Senior Software Engineer (Data-Centric) Manchester or South London (Hybrid – 2 x a week in office) £70,000 – £85,000 + 10% bonus + excellent benefits Our client is a global self-defence intelligence and technology organisation helping governments and defence agencies act with confidence. They use AI, graph databases, cloud, and search technologies to deliver faster, smarter decision … making. We’re seeking a Senior Software Engineer to join a growing, cross-functional technology team. What You’ll Do Design, develop, and deliver high-quality, scalable software solutions. Work within an agile team on applications, APIs, and services used globally. Develop in one or more core technology areas: NoSQL (MongoDB, DocumentDB) Graph databases (GraphDB, Neo4j) Search technologies … ElasticSearch, OpenSearch, SOLR) ML/AI frameworks (SageMaker, Bedrock) Cloud-based data engineering (AWS) Build and maintain cloud-native data pipelines, ensuring data quality, accuracy, and reliability. What We’re Looking For 5+ years’ experience in software or backend engineering. Proven ability to deliver reliable, scalable systems using cloud technologies (AWS preferred). Strong understanding of system design More ❯

Senior Software Engineer (Data-Centric) Manchester or South London (Hybrid – 2 x a week in office) £70,000 – £85,000 + 10% bonus + excellent benefits Our client is a global self-defence intelligence and technology organisation helping governments and defence agencies act with confidence. They use AI, graph databases, cloud, and search technologies to deliver faster, smarter decision … making. We’re seeking a Senior Software Engineer to join a growing, cross-functional technology team. What You’ll Do Design, develop, and deliver high-quality, scalable software solutions. Work within an agile team on applications, APIs, and services used globally. Develop in one or more core technology areas: NoSQL (MongoDB, DocumentDB) Graph databases (GraphDB, Neo4j) Search technologies … ElasticSearch, OpenSearch, SOLR) ML/AI frameworks (SageMaker, Bedrock) Cloud-based data engineering (AWS) Build and maintain cloud-native data pipelines, ensuring data quality, accuracy, and reliability. What We’re Looking For 5+ years’ experience in software or backend engineering. Proven ability to deliver reliable, scalable systems using cloud technologies (AWS preferred). Strong understanding of system design More ❯

Trading Software Engineer - Systematic Market Maker Location: London (onsite 4 days) £375k++ total compensation Quant capital is urgently looking for a Software Developer to join a prestigious market maker. This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You’ll work … impact team with wide scope and minimal red tape Build tech that goes live—trading billions in volume daily Fast feedback, full ownership, and close collaboration with research Real engineering challenges—performance, scale, reliability Your details are never shared without consent. More ❯

Trading Software Engineer - Systematic Market Maker Location: London (onsite 4 days) £375k++ total compensation Quant capital is urgently looking for a Software Developer to join a prestigious market maker. This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You’ll work … impact team with wide scope and minimal red tape Build tech that goes live—trading billions in volume daily Fast feedback, full ownership, and close collaboration with research Real engineering challenges—performance, scale, reliability Your details are never shared without consent. More ❯

Graduate Software Engineer - Portfolio Management £45K - £55K + Bonus + Bens A small, high-performance team at the centre of a specialist reinsurance group are looking for several Computer Science/Maths graduates to join them in London. You will be joining a team that builds systems and tooling that are critical to the business. This is a business More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s … a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding practices within the team Lead architecture decision making and technology decision making Design, build, review … test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills Familiarity with cloud services (preferably AWS) A passion for ensuring best practices and coding excellence are More ❯

Role : Java Software Engineer 💰 Salary: Up to £95,000 +10% Bonus 🌍 Location: London (2 days a week) 🛠 Key Skills: Java 17+, SpringBoot, React/Typescript, AWS This is a great opportunity for a Senior Java Software Engineer to a travel experiences business. You’ll lead backend services and API integrations with a huge number of 3rd party’s … a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding practices within the team Lead architecture decision making and technology decision making Design, build, review … test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills Familiarity with cloud services (preferably AWS) A passion for ensuring best practices and coding excellence are 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 development Strong More ❯

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost … skilled machine learning engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to … ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of More ❯

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost … skilled machine learning engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to … ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of More ❯