10 of 10 DemandTrendContract Distributed Systems Jobs in London

You'll be working in small, collaborative engineering teams, building both internal and developer-facing tools that directly support operational and technical teams. The work is varied from backend systems and processes to intuitive frontends and dashboards and will suit engineers who thrive in agile, problem-solving environments. Key Responsibilities: Fullstack development across backend and frontend applications Backend: Python …/Django (primary), some Ruby on Rails Frontend: React & TypeScript Building UI components, admin functions, backend services, and internal tools Working on distributed systems with multiple communicating services Applying strong analytical thinking to architectural and technical challenges Collaborating with product and engineering teams to deliver practical solutions Essential Skills & Experience: Proven experience in Python/Django Solid frontend … skills with React & TypeScript Exposure to Ruby on Rails (nice to have) Experience with distributed systems and observability tools Ability to design solutions across multiple services Strong analytical problem-solving skills and clear communication Nice-to-Have Skills: Next.js Internal tooling for operational teams Experience in highly collaborative, agile teams Culture & Ways of Working: Agile (Scrum) with More ❯

and design patterns. Advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible. You will create large-scale distributed systems out of microservices. Efficiently utilise DevSecOps tools and practices to build and deploy software Oversee or take part in the entire cycle of software consulting and delivery More ❯

join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a GoLang Developer who can take their distributed systems to the next level. As a GoLang Developer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of … scalability, as well as participating in code reviews, design discussions, and knowledge sharing. GoLang Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering, including system design and architecture Hands-on experience working More ❯

CLR, and scalable application design Deep understanding of Azure services (Functions, App Services, AKS, Logic Apps) Hands-on experience with Azure Cosmos DB (query optimisation & throughput management) Familiarity with distributed systems and NoSQL data modelling Proficiency with Git, version control, and CI tools Desirable: Advanced proficiency in C#, ASP.NET, .NET Core with strong object-oriented design principles Interested More ❯

The engineer will work on a mission-critical platform that uses state-of-the-art technology for sanctions screening and other regulatory processes. The position requires developing highly scalable distributed systems and micro-services that support business objectives and enhance the experience for partners and internal stakeholders What You'll Do Design, build, and maintain scalable microservices that … power our compliance platforms. Develop tools and systems for sanctions screening, transaction monitoring, and regulatory reporting. Optimize backend processes for performance, reliability, and data integrity. Enhance tooling, analytics, and reporting used by internal compliance stakeholders. Collaborate with cross-functional teams to understand regulatory processes and deliver technical solutions. Participate in on-call rotations, incident resolution, and continuous improvement initiatives. … We're Looking For 5+ years of experience in software development with at least 2 server-side languages - Java being must have Proven experience with microservices architecture and scalable, distributed systems. Proficient in data technologies like MySQL , Hadoop , or Cassandra . Experience with batch processing , data pipelines , and data integrity practices. Familiarity with AWS services (e.g., RDS, Step Functions More ❯

end across backend and frontend, designing and delivering features that power both internal and customer-facing applications. This role combines building intuitive, high-performing UIs with developing scalable backend systems, integrating services, and ensuring performance and reliability across distributed systems. What you'll do Deliver full-stack features from concept to deployment using Python/Django and React … and daily stand-ups Engage in discovery work and adapt quickly to shifting priorities Tech stack Must have: Python, Django, React, TypeScript Nice to have: Ruby on Rails, Next.js, distributed systems experience, observability tooling What we're looking for Strong experience delivering both frontend and backend features Ability to translate requirements into clean, maintainable, and scalable code Excellent More ❯

data and ensure audit compliance. What you'll need to succeed Solid D365 Finance integrations, with hands-on use of REST APIs, DMF packages, and OData endpoints.Experience with external systems for financial data consolidation and ERP connectivity, including mapping tools (e.g., XSLT for XML).Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API … Bus, Event Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics).Coding in Azure Functions.Background in secure integrations, including encryption, compliance standards , and handling sensitive financial data.Experience troubleshooting distributed systems, implementing webhooks or event-driven architectures, and working with CI/CD pipelines.Nice to have - Experience with Microsoft Power Platform, including Power Automate for low-code workflow More ❯

and ensure audit compliance. What you'll need to succeed Solid D365 Finance integrations, with hands-on use of REST APIs, DMF packages, and OData endpoints. Experience with external systems for financial data consolidation and ERP connectivity, including mapping tools (e.g., XSLT for XML). Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for … Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics). Coding in Azure Functions.Background in secure integrations, including encryption, compliance standards , and handling sensitive financial data. Experience troubleshooting distributed systems, implementing webhooks or event-driven architectures, and working with CI/CD pipelines. Nice to have - Experience with Microsoft Power Platform, including Power Automate for low-code More ❯

will have strong expertise in Java Spring Boot microservices and Kafka integration, with a proven track record in enterprise-scale projects. Key Responsibilities: Architect and design integration solutions across distributed systems. Support build teams during the development of Java Spring Boot microservices. Implement and optimise Kafka within an integration landscape. Collaborate with stakeholders to ensure seamless system connectivity. Contribute More ❯

that help streamline and modernise regulatory processes in the US retirement sector. If you enjoy solving nuanced technical challenges with elegant engineering and working with large-scale, rule-driven systems, this is for you. THE CLIENT Our client is a mission-driven SaaS company developing intelligent systems that support compliance in the retirement benefits space. Their engineering team … the stack. Key responsibilities: Writing scalable, production-ready Ruby code within a mature codebase Designing and optimising relational data models and SQL queries for performance Building background jobs and distributed systems to handle high data volumes Translating fuzzy business logic into clearly defined technical solutions Participating in team discussions, pair programming, and peer code reviews SKILLS & EXPERIENCE Expert … level Ruby on Rails experience Advanced SQL knowledge and data modelling skills Comfortable with front-end technologies like React and GraphQL Experience working on complex, interdependent systems Strong attention to detail, with the ability to work independently in a fast-paced environment Familiarity with AI coding tools (e.g., Copilot, Cursor) is a plus, but not required HOW TO APPLY More ❯