City Of London, England, United Kingdom Hybrid/Remote Options
Bondaval
Software Engineering Technical Lead - Series A/B FinTech Scale-Up This is a fantastic opportunity to join a fast-growing, well-funded fintech and be part of our journey as we continue to develop and scale our distributed financial More ❯
production-ready AI solutions . As a Applied AI Solution Engineer , you'll be at the forefront of this revolution. What you’ll do: ✅ Work hands-on with Python, microservices, distributed systems, and LLMs ✅ Shape AI strategy, mentor engineers , and drive innovation across multiple projects ✅ Engage directly with senior stakeholders, explaining complex AI concepts in clear terms What we’re More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Saragossa
So, with that, it'll be no surprise that you're going to need to be a great Python software developer. Additionally, strong experience working with data and building microservices will also be a huge plus. Some experience with LLMs/GenAI will be necessary but you don't need to be an expert. You'll be joining a scale More ❯
real interest in product engineering Experience building production systems at scale Good architectural judgement Comfortable in fast-moving, high-ownership teams Nice to have: PostgreSQL, event-driven systems, auth, microservices, observability, CI/CD. Why this is a great move High ownership from day one Real product impact Well-funded, fast-growing tech company Smart, low-ego engineering team Work More ❯
infrastructure, and internal tools. What You’ll Be Doing Implementing AI tooling across all their products focusing on data ingestion and aggregation Lead the design and implementation of scalable, microservices-based systems Own and evolve their core platform architecture, including APIs, internal tools, and data pipelines Work with large, varied data sets from third-party sources (e.g. partner platforms, supply More ❯
City of London, London, United Kingdom Hybrid/Remote Options
La Fosse
Proven experience as an Enterprise Architect with a focus on cyber security. Strong leadership and strategic thinking capabilities. Experience in modernising legacy systems and implementing secure, scalable architectures (e.g. microservices). Knowledge of pragmatic governance and assurance practices. Proficiency in architectural modelling languages (e.g. UML, ArchiMate). Familiarity with architectural tools and repositories (ideally Bizzdesign or similar). Understanding of More ❯
senior leaders on client engagements, helping win, scope, and deliver large-scale (6–12 month) digital transformation projects. Introduce new engineering patterns, processes, and tools across AI, cloud, and microservices architecture. Maintain strong collaboration across design, product, and delivery teams, ensuring projects run smoothly and clients are delighted. Act as a player-coach- mentoring others while staying close enough to More ❯
to achieve low-latency responses under peak loads during high-traffic periods (think Black Friday logistics!). Drive application-level error handling, retry logic, and resiliency patterns across the microservices landscape. Technical Ownership & Collaboration Collaborate closely with the Platform Engineering/DevOps team to define deployment requirements, monitoring needs, and infrastructure usage. Contribute to microservices architecture decisions , selection of new … Experience building systems that efficiently handle millions of requests/events per day with stringent latency requirements. Deep understanding of distributed systems principles , caching strategies (e.g., Redis, Memcached), and microservices communication patterns (e.g., message queues, service meshes). Background in IoT platforms, real-time data processing , or high-scale consumer applications is a significant bonus. Technical Environment Familiarity with cloud More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, C# - Financial Consultancy - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Azure, WPF, MVVM, Prism, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the early 1970s, our client delivers cutting edge I.T solutions to banks. With over 70,000 employees in over 50 countries and strong partnerships with some … either web application development (.NET Core/ASP.NET MVC, C#) or windows/desktop development (C#.NET). My client can provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, WPF, MVVM, Prism, continuous integration, dependency injection, RESTful, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a More ❯
Permanent, 1 to 2 days in office in London. Salary is up to £75k + bonus + benefits Software Engineer, Full Stack Developer (Node/Microservices/AWS) You will work on building a scalable distributed component-based AI platform including - configurable agentic workflows, flexible APIs, advanced business intelligence, one-click deployment and roll-back, sophisticated monitoring, self-healing operation … and participate in the team's agile practices Take part in continuous improvement of the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Ventula Consulting Limited
facing features, such as mid-call intervention (allowing a user to accept a call during pre-screening). System Architecture & Quality Collaborate on the design of our cloud-native, microservices-based architecture to ensure all application services are scalable, resilient, and cost-efficient. Work with the Platform & Security engineer to ensure all services adhere to our mandatory Zero Trust security … production experience with C++ OR Go (Golang) . Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs More ❯
Senior Full Stack Engineer | Node.js & SQL | Data‐Heavy FinTech Platform You’ll join a 50‐person, London/US SaaS scale‐up serving top‐tier investment firms with a market‐leading, data analytics platform for global credit investors (think Reuters More ❯
Safe Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang More ❯
Cloud Security Engineer 6 Months £(Apply online only) per day (Inside IR35) Hybrid - 1-2 Days per month on-site in London Key Accountabilities Responsible for ensuring the security implementation of GDO projects across T&I and CTIO areas, delivering More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Saragossa
So, with that, it'll be no surprise that you're going to need to be a great Python software developer. Additionally, strong experience working with data and building microservices will also be a huge plus. Some experience with LLMs/GenAI will be necessary but you don't need to be an expert. You'll be joining a scale More ❯
level up the team Skills Required: Hands-on experience with OTT Video Platform backend/control-plane tech (CMS, service layers, etc.) Solid knowledge of cloud-native architectures, APIs, microservices, and streaming workflows (DRM, UX, content processing, personalisation, analytics) A knack for turning technical jargon into clear business value Confident communication skills for customer workshops, demos, and Q&A A More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce the arrival in the UK of one of Silicon Valley's most successful and exciting brands. They're at the … applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism of problem solving through More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, .NET 9, C#, SQL Server - Investment Bank - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, operations in over 20 countries our client has fast becomeWeb API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's most respected banking institution. Their story dates … applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client offers training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to work for a prestigious More ❯
looking for a versatile Full-Stack Engineer who can build modern, scalable, and cloud-ready web applications. You’ll work across Python, Node.js, React, and MongoDB while contributing to microservices, cloud deployments, CI/CD, and production reliability. If you love solving complex problems, shipping clean code, and collaborating with cross-functional teams—this role is for you. 🔧 What You … contribute to continuous improvements. 💼 Mandatory Skills Strong hands-on expertise in Python and JavaScript (Node.js & React). Experience with MongoDB (schema design, indexing, performance tuning). Deep understanding of microservices and 12-Factor App best practices. Proficiency with CI/CD , Docker, and Git workflows. Strong experience with RESTful API design, consumption, and security. Solid grasp of software engineering principles More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, .NET 9, C# - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology based business solutions to investment banks, financial services … ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly exciting project, one which if you are More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Developer to join an ambitious Fintech start-up. This is your chance to work with the sharpest minds in private wealth … for passionate .NET Developer with experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is your opportunity to be part of a new, technically challenging More ❯
is a technically rich role, working across multiple domains including performance, failover, disaster recovery, resilience, alerting, and monitoring. Responsibilities Define, document, and execute Non-Functional Requirements (NFRs) across distributed microservices and infrastructure components. Collaborate with architects, product owners, and engineering squads to translate NFRs into measurable test scenarios. Develop and implement NFT strategies covering performance, scalability, failover, DR, resilience, alerting … within complex or regulated technology environments. Proven experience designing and executing tests across multiple NFT domains (performance, DR, failover, resilience, and scalability). Strong understanding of distributed architectures, Java microservices, and containerised deployments. Proficiency with testing and monitoring tools such as JMeter, LoadRunner, Grafana, Dynatrace, Splunk, or AppDynamics. Familiarity with CI/CD and DevOps tooling – Jenkins, Docker, Kubernetes, and More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Ventula Consulting
facing features, such as mid-call intervention (allowing a user to accept a call during pre-screening). System Architecture & Quality Collaborate on the design of our cloud-native, microservices-based architecture to ensure all application services are scalable, resilient, and cost-efficient. Work with the Platform & Security engineer to ensure all services adhere to our mandatory Zero Trust security … production experience with C++ OR Go (Golang) . Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer - World Class Entertainment Company - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has been producing unparalleled entertainment experiences for over 50 years. Today their global business comprises of: film studios, television stations, theme parks, media … encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with Greenfield project work and exposure to: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to work for a prestigious More ❯
City of London, London, England, United Kingdom Hybrid/Remote Options
Noir
.NET Developer, Azure - Formula One Racing Team - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the 1970s our client has one of the richest heritages in motor sport. To date they have notched up multiple FI drivers … skill set that encompasses: .NET, .NET Core/ASP.NET MVC and SQL Azure. Our client can provide you with industry recognised training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. You will follow a structured career development programme with the view to More ❯