18 of 18 Distributed Systems Jobs in the City of London

Principal Software Engineer We are looking for a highly experienced Principal Software Engineer with strong backend engineering expertise and a passion for scalable distributed systems. You will play a key role in shaping architecture, engineering standards, and technical direction across the platform. Join a fast-growing Banking SaaS provider … Java backgrounds are encouraged to apply. Integrating with payment platforms, banking infrastructure, FX/crypto providers, and card processors Driving architectural decisions across distributed systems and cloud infrastructure Leading technical design reviews and influencing engineering best practices Mentoring engineers and helping scale a high-performing engineering culture Designing ...

Staff Product Engineer | London Hybrid/Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k-£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful … automation for decades. Working with some of the world's largest accounting firms, they are building enterprise-grade AI systems on top of ERP platforms like SAP, NetSuite and Workday to automate complex financial workflows at scale. They are looking for a Staff Product Engineer to own meaningful product ...

environment where software engineering sits directly alongside trading, quant research and market-facing strategy. The successful candidate will work on sophisticated electronic trading systems, helping to build and improve platforms that operate in highly volatile, 24/7 markets where latency, reliability and quality of execution are critical. … electronic and systematic trading. You will work closely with experienced traders, quantitative researchers and other software engineers to develop, improve and optimise trading systems used across digital asset markets. The role sits close to the trading function and offers direct exposure to automated execution, exchange connectivity, risk management, options ...

bank requires an experienced hands-on Java developer and technical architect with deep expertise in real-time third-party payments, high-throughput zero-downtime systems, and highly available, global-scale internet-facing APIs. This role is central to scaling the TFX technology platform for major retail clients and requires … setting the technical standard through design, code-level guidance, and practical problem solving. Design, build, and evolve highly available, high-throughput, zero-downtime systems and internet-facing APIs that can scale securely for large retail and external client volumes. Lead architectural decisions across API design, domain modelling, integration patterns ...

organisation, driving continuous innovation and delivering reliable, high-quality solutions to support critical business operations. The technology landscape includes HP NonStop (Tandem) systems and a distributed Linux-based messaging and communications infrastructure. The successful candidate will contribute across the full software development lifecycle, from design through to delivery … WebSphere MQ v9 Databases: Oracle 19 (SQL, PL/SQL, data modelling) Messaging & Data Formats: MRM, XML, JSON Integration Exposure Kafka HP NonStop systems SWIFT connectivity Required Skills & Experience Proven experience across the full software development lifecycle Strong **analysis, design andHeres a clean, fully anonymised and market-ready version ...

enabling cars to automatically detect, process, and settle real-world road charges without driver intervention. Parking. Tolls. Congestion charging. Airport drop-offs. Today these systems are fragmented, manual, and operationally painful. The mission: make vehicle payments invisible. The business is launching where the pain is greatest - rental and fleet … defining the future team and culture. This is a hands-on builder role for someone who thrives in ambiguity, moves quickly, and enjoys creating systems from first principles. What you will own Designing and building the core platform and architecture - you decide the technology stack . Integrating with telematics ...

into production-ready, well-architected platform components What we're looking for Proven experience in platform, infrastructure, or software engineering roles delivering production-grade systems on AWS Strong hands-on Kubernetes experience, specifically with EKS (Elastic Kubernetes Service) and ECS (Elastic Container Service) in production environments Strong Terraform experience … with vector databases or search infrastructure (OpenSearch, Algolia) is a strong advantage Python proficiency for scripting, automation, and deploying production services Solid grasp of distributed systems, cloud-native architecture, microservices, and API design Ownership mindset - comfortable operating autonomously across reliability, performance, cost, and security Why join ...

software engineering experience using Python Personal Python projects outside of academic work would be highly desirable Experience designing, developing and maintaining production-quality software systems Strong analytical and problem-solving skills Ability to lead technical projects and contribute to architectural decisions Experience mentoring and supporting other engineers Comfortable working … enhance innovative software products and platforms Lead technical projects from concept through to deployment Contribute to the architecture and design of complex software systems Collaborate with engineers, researchers and technical specialists across multiple disciplines Analyse and solve challenging technical problems Support the evaluation and prototyping of new ideas ...

Azure, GCP also welcomed) Strong understanding of relational databases, ideally MySQL Interest in agentic engineering workflows and AI-assisted development Experience designing APIs and distributed systems Understanding of observability, resilience, and secure coding practices Comfortable working in regulated or high-integrity environment Nice to have: Expertise …/SNS, DynamoDB and cloud native architectures Client-facing experience Ideally experience within Fintech, Banking or enterprise SaaS Why Join Work on high-impact systems processing billions in transactions each month while helping shape modern AI-assisted engineering practices Enjoy the freedom of remote-first work with regular ...

ensuring delivery teams adhere to core technical principles. Key Responsibilities Strategic Leadership & Governance Collaboratively define and maintain the long‐term architectural roadmap for digital systems Maintain a holistic view of the service ecosystem to identify technical dependencies, risks, and opportunities Represent architecture in governance forums, supporting prioritisation, risk discussions … Significant experience as a technical or solution architect in complex enterprise environments Engineering Foundation: Strong background in modern application architectures, including microservices, APIs, and distributed systems Cloud & Infrastructure: Hands‐on experience with at least one major cloud provider (ideally AWS), including Infrastructure as Code (IaC) and security control ...

Participate in peer reviews for design, code, and testing artefacts Ensure adherence to quality standards and best practices Collaborate with cross-functional teams across distributed systems Technical Environment Platforms Linux (Red Hat Enterprise Linux) Middleware & Technologies IBM App Connect Enterprise (ACE) v12/v13 WebSphere MQ v9.0 Oracle … problem-solving skills Hands-on expertise with: ACE development & administration MQ design and messaging patterns Oracle database technologies (SQL/PL-SQL) Experience in distributed Linux environments Exposure to large-scale financial or enterprise systems Desirable Skills Knowledge of SWIFT messaging standards: ISO 15022 ISO 20022 Experience working ...

contract 3 days onsite - City of London They're looking for a strong, hands-on engineer (5+ years) with experience in big data/distributed systems and modern data platforms. Please click here to find out more about our Key Information Documents. Please note that the documents provided ...

experience as a Solution Architect or Senior Technical Architect Strong background in cloud platforms (AWS, Azure or GCP) Experience across enterprise architecture, microservices, or distributed systems Ability to work across the full delivery lifecycle in Agile environments Strong stakeholder management and communication skills Exposure to architecture frameworks (TOGAF ...

culture of first-principles thinking, tight feedback loops and relentless experimentation Work Alongside Industry Leaders Diego Protas – Director of Engineering Diego, an expert in distributed systems and hardware architecture, merging physical computing with enterprise-scale infrastructure. Previously directing teams of 170+ engineers at Mercado Libre and orchestrating large ...

building and deploying RAG-based solutions. Experience working with cloud platforms such as AWS, Azure, or GCP. Strong understanding of cloud-native architecture and distributed systems. Desirable skills/knowledge/experience: Broader exposure to multi-cloud environments across AWS, Azure, and GCP. Rewards & Benefits TCS is consistently voted ...

bare metal infrastructure GPU provisioning or GPU deployment Strong networking knowledge across clusters Production grade coding in Python and Golang or Rust Linux and distributed systems experience Experience leading technical work or mentoring strong engineers Bare metal experience is essential. A lot of people have cloud and Kubernetes ...

Looking For Previous experience leading software engineering teams. Strong technical background in backend engineering, ideally with Python. Experience delivering API-first platforms and distributed systems. Exposure to data-intensive environments and large-scale integrations. Strong stakeholder management and communication skills. Experience balancing technical leadership with people management. Why This ...

together, communicate openly, and expect everyone to raise the bar for each other. 🚀 We build at the frontier We operate where real-time voice, distributed systems, and agent reasoning intersect - a place where the challenges are hard and the impact is immediate. ⚡ We move fast and work hard ...