126 to 150 of 1,087 Software Engineering Jobs in the City of London

The Role Trayport is actively looking for a Senior Software Developer to join our team for the design and development of our flagship data analytics platform where you will contribute to System Architecture, aid colleagues to help coordinate our projects and review code too. Our platform ingests hundreds of millions of data points every day and provides our customers … price movements. We process real-time market data feeds that together add hundreds of millions of data points to our dataset every day. We encourage ownership across the entire software lifecycle, and will value your input on each stage. We take an iterative approach to solve problems and continually improve our product. If you are interested in building customer … facing products and approaching it using lean software development practices, we would love to hear from you. Responsibilities Contribute to System Architecture, Aid colleagues to help coordinate our projects Peer review code The Person Strong working knowledge of C# or Kotlin Experience writing efficient, concurrent .NET code Experience working on distributed systems Strong knowledge of Kubernetes and Kafka Experience More ❯

mentorship in engineering. They are a Systematic Hedge fund that focuses on building high-impact systems in a business that values both innovation and balance. They are seeking a Software Engineer to join their team and be part of something great. This is more than a job—it's a chance to be part of a close-knit, agile … with shared responsibility, including participation in a team-wide support rota. What You’ll Bring: Recent graduate in a STEM discipline with a minimum of 1 year experience in software engineering. Knowledge of programming with experience in a structured language such as C#, C++, Java, Python or Golang. Knowledge of coding fundamentals e.g. modern software design principles, data More ❯

mentorship in engineering. They are a Systematic Hedge fund that focuses on building high-impact systems in a business that values both innovation and balance. They are seeking a Software Engineer to join their team and be part of something great. This is more than a job—it's a chance to be part of a close-knit, agile … with shared responsibility, including participation in a team-wide support rota. What You’ll Bring: Recent graduate in a STEM discipline with a minimum of 1 year experience in software engineering. Knowledge of programming with experience in a structured language such as C#, C++, Java, Python or Golang. Knowledge of coding fundamentals e.g. modern software design principles, data More ❯

or STEM education Strong experience with React, TypeScript, HTML, CSS and web technologies Strong with backend TypeScript, e.g. Node JS, Nest JS and Express. Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright Experience with Azure DevOps is a plus. Agile, Git and version control A pragmatic, right More ❯

of driving innovation and progress in our cutting-edge digital platform. This platform powers a diverse range of applications. Responsibilities: Embrace a hands-on coding role, diving deep into software development. Create highly scalable software solutions to enhance functionality and durability. Collaborate closely with the wider team to refine requirements, ensuring feasibility and pragmatism, and validate development tasks More ❯

Job Title: Senior Software Engineer - HealthCare Location: London (Hybrid – 3 Days in Office) Salary: Up to £110,000 + Benefits Our client is entering an exciting scale-up phase following a successful Series B funding round. With fresh investment and strong market momentum, they’re rapidly expanding their team and capabilities to meet growing demand. This is a pivotal More ❯

to become largest disseminator of knowledge in the world. In fact, we're probably one of the largest already. Our platforms can be viewed here: www.beamazed.media We need a software engineer to work in our growing, dynamic team. We are building internal products to help our team perform, execute and excel at their job. These tools integrate with various More ❯

to become largest disseminator of knowledge in the world. In fact, we're probably one of the largest already. Our platforms can be viewed here: www.beamazed.media We need a software engineer to work in our growing, dynamic team. We are building internal products to help our team perform, execute and excel at their job. These tools integrate with various More ❯

Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London La Fosse has partnered with a leading credit card company that helps customers make smarter financial decisions. As they continue to grow, they are looking for a Senior Full Stack More ❯

Senior Full Stack Engineer | React | Node | TypeScript | £95k | Hybrid London La Fosse has partnered with a leading credit card company that helps customers make smarter financial decisions. As they continue to grow, they are looking for a Senior Full Stack More ❯

Senior C# Developer - Fixed Income Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior More ❯

Senior C# Developer - Fixed Income Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior More ❯

services to governments and private sector clients globally and the brand are well known for making real-world difference. As we continue to expand, we’re hiring a Lead Software Engineer/Founding Engineer to take the reins of a specialist engineering unit delivering microservice-based cloud and data solutions at scale. This is a hands-on technical … leadership role where you'll work closely with the CTO, shape architecture and tooling, and directly influence the future of our engineering capability. 🔍 What You’ll Be Doing Leading a growing team (currently 2 engineers + external partners) across complex data and cloud engineering projects Designing and delivering distributed solutions on an AWS-centric stack, with open-source … Working with Databricks, Apache Iceberg, and Kubernetes in a cloud-agnostic environment Guiding architecture and implementation of large-scale data pipelines for structured and unstructured data Steering direction on software stack, best practices, and legacy tech modernisation Collaborating with a multidisciplinary group including intelligence analysts, researchers, and domain specialists Supporting clients working in highly sensitive and secure environments Ideal More ❯

services to governments and private sector clients globally and the brand are well known for making real-world difference. As we continue to expand, we’re hiring a Lead Software Engineer/Founding Engineer to take the reins of a specialist engineering unit delivering microservice-based cloud and data solutions at scale. This is a hands-on technical … leadership role where you'll work closely with the CTO, shape architecture and tooling, and directly influence the future of our engineering capability. 🔍 What You’ll Be Doing Leading a growing team (currently 2 engineers + external partners) across complex data and cloud engineering projects Designing and delivering distributed solutions on an AWS-centric stack, with open-source … Working with Databricks, Apache Iceberg, and Kubernetes in a cloud-agnostic environment Guiding architecture and implementation of large-scale data pipelines for structured and unstructured data Steering direction on software stack, best practices, and legacy tech modernisation Collaborating with a multidisciplinary group including intelligence analysts, researchers, and domain specialists Supporting clients working in highly sensitive and secure environments Ideal More ❯

Job Title: AI/Software Engineer Location: Remote/London Hiring on Behalf of: A Growing Start-Up (via 167 Solutions Ltd) About the Start-Up: 167 Solutions Ltd is recruiting on behalf of a dynamic and innovative start-up focused on building scalable, efficient, and low-maintenance software products that solve real-world problems. We value practical … results-driven development practices that deliver impact while maintaining high-quality standards. Job Summary: We are seeking a skilled AI/Software Engineer with a pragmatic approach to code development. The ideal candidate is solution-oriented, focused on delivering clean, efficient, and low-maintenance code that meets business needs. A willingness to learn and adapt is essential. You will … work across the entire software development lifecycle, from ideation and prototyping to production deployment and scaling. Key Responsibilities: Design, develop, and deploy AI-powered and software applications. Implement scalable, maintainable, and efficient code based on business requirements. Collaborate with cross-functional teams to define and implement solutions. Apply a pragmatic approach to coding by balancing speed, quality, and More ❯

eCommerce companies across Europe, to help reduce their CO2 Footprint at scale. The business is primed for the AI-driven scale up phase and are investing heavily into their engineering disciplines. They have hired a Director of Engineering from Meta who is scaling out the engineering devisions with 11 Backend Engineers across Mid/Senior and Staff … main part of your role, you will also be taking on Full stack responsibilities with Backend API's, Cloud Infrastructure and improving FE code, . This is a true Software Engineer role, where you will wear many hats! Requirements for the Mid/Senior/Staff Backend Engineer | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A … Raise | Salary up to £160,000 + Equity, Bonus, Benefits | London, Hybrid (3 days PW) Minimum 4 years experience working in high-performing software teams. Strong experience with any backend language (Python, Golang, Java, Node/Typescript) However must be willing to learn Python. Strong experience working with GCP, AWS or Azure. Deep understanding of backend systems, but also More ❯

eCommerce companies across Europe, to help reduce their CO2 Footprint at scale. The business is primed for the AI-driven scale up phase and are investing heavily into their engineering disciplines. They have hired a Director of Engineering from Meta who is scaling out the engineering devisions with 11 Backend Engineers across Mid/Senior and Staff … main part of your role, you will also be taking on Full stack responsibilities with Backend API's, Cloud Infrastructure and improving FE code, . This is a true Software Engineer role, where you will wear many hats! Requirements for the Mid/Senior/Staff Backend Engineer | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A … Raise | Salary up to £160,000 + Equity, Bonus, Benefits | London, Hybrid (3 days PW) Minimum 4 years experience working in high-performing software teams. Strong experience with any backend language (Python, Golang, Java, Node/Typescript) However must be willing to learn Python. Strong experience working with GCP, AWS or Azure. Deep understanding of backend systems, but also More ❯

eCommerce companies across Europe, to help reduce their CO2 Footprint at scale. The business is primed for the AI-driven scale up phase and are investing heavily into their engineering disciplines. They have hired a Director of Engineering from Meta who is scaling out the engineering devisions with 11 Backend Engineers across Mid/Senior and Staff … main part of your role, you will also be taking on Full stack responsibilities with Backend API's, Cloud Infrastructure and improving FE code, . This is a true Software Engineer role, where you will wear many hats! Requirements for the Mid/Senior/Staff Backend Engineer | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A … Raise | Salary up to £160,000 + Equity, Bonus, Benefits | London, Hybrid (3 days PW) Minimum 4 years experience working in high-performing software teams. Strong experience with any backend language (Python, Golang, Java, Node/Typescript) However must be willing to learn Python. Strong experience working with GCP, AWS or Azure. Deep understanding of backend systems, but also More ❯

production and improving system design and infrastructure. You’ll also guide a small technical team (2–3 people), but the focus remains deeply technical - ideal for someone from a software engineering background. What you'll do: Build and scale NLP/document processing pipelines using microservices Lead 2–3 reports (data scientists + AIOps engineer) Set engineering More ❯

production and improving system design and infrastructure. You’ll also guide a small technical team (2–3 people), but the focus remains deeply technical - ideal for someone from a software engineering background. What you'll do: Build and scale NLP/document processing pipelines using microservices Lead 2–3 reports (data scientists + AIOps engineer) Set engineering More ❯

Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech space and have offices globally. You will be part of … services financial services clients. Working with cloud-based, state-of-the-art technology, and a microservices-based wealth management product, the Technical Consultant/Analyst Programmer focuses on integrating software into clients operating environments, while showing clients how to use products more efficiently to help reach their objectives and targets. This is a challenging role with responsibilities that include … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization More ❯

Plus Bens Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech space and have offices globally. You will be part of … services financial services clients. Working with cloud-based, state-of-the-art technology, and a microservices-based wealth management product, the Technical Consultant/Analyst Programmer focuses on integrating software into clients operating environments, while showing clients how to use products more efficiently to help reach their objectives and targets. This is a challenging role with responsibilities that include … in functionality, and undertaking development to deliver functionalities (when required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization More ❯

to be part of a business that cares too Want to continue to grow professionally and be the best version of yourself Job Description Join us as a Senior Software Engineer in our CTO team, driving innovation in our business-critical engineering projects at Shawbrook, the forefront of fintech banking. You will be working on our Savings Digital … banking and collaborate with a dynamic team of engineers, using Agile methodologies to drive forward our technical transformation at Shawbrook. You’ll be an advocate for best-in-class engineering standards and maintain a strong focus on product delivery, You’ll have the chance to make your mark right away as we undergo pivotal, impactful work with truly diverse … create automated tests to ensure the quality of the software. Participate in backlog refinement sessions to understand business requirements and take responsibility for implementing the most appropriate solution. Utilise engineering best practices and design principles, bearing in mind non-functional requirements around performance and security. Work with the support team to assist with deployments and monitoring of services in More ❯

to be part of a business that cares too Want to continue to grow professionally and be the best version of yourself Job Description Join us as a Senior Software Engineer in our CTO team, driving innovation in our business-critical engineering projects at Shawbrook, the forefront of fintech banking. You will be working on our Savings Digital … banking and collaborate with a dynamic team of engineers, using Agile methodologies to drive forward our technical transformation at Shawbrook. You’ll be an advocate for best-in-class engineering standards and maintain a strong focus on product delivery, You’ll have the chance to make your mark right away as we undergo pivotal, impactful work with truly diverse … create automated tests to ensure the quality of the software. Participate in backlog refinement sessions to understand business requirements and take responsibility for implementing the most appropriate solution. Utilise engineering best practices and design principles, bearing in mind non-functional requirements around performance and security. Work with the support team to assist with deployments and monitoring of services in More ❯

Tech Lead, SwiftUI | HealthTech, AI, Greenfield Start-up | Shoreditch, Hybrid | Up to £110,000 + Stocks & Benefits As a Founding Full Stack Tech Lead you will be the first Engineering hire and be a thought partner for the business. You will be tasked with designing and building the MVP, writing the very first lines of code with it being … + Stocks & Benefits APIs & Communication: Strong understanding of REST, GraphQL, WebSockets, and API design best practices Ideally Fullstack TypeScript Engineer (across frontend and backend) Proven experience as a senior software engineer or tech lead, ideally in an early stage startup environment as an iOS Developer. Ideally strong proficiency in at least one backend language (e.g., Python, Node.js, Java) and More ❯