1 to 25 of 96 Distributed Systems Jobs in Central London

Backend Software Engineer - Distributed Systems

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Backend Software Engineer (Go/Node.js Distributed Systems) Remote/Hybrid to £120k + Equity Are you an experienced Backend Software Engineer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high growth technology … Engineer, you'll join the team responsible for the core messaging platform that underpins the company's real-time infrastructure. Working on highly scalable distributed systems, you'll design and build new platform capabilities, improve performance and reliability and solve complex engineering problems at scale. You'll contribute ...

Software Engineer, Platform Systems

Location
City Of London, England, United Kingdom
About the Team The Platform Systems team at OpenAI operates at the intersection of cutting‐edge AI and large‐scale distributed systems. We build the engineering and research infrastructure required to train OpenAI’s flagship models on some of the world’s largest, custom‐built supercomputers. Our team … core model training software and works deep in the stack – spanning collective communication, compute efficiency, parallelism strategies, fault tolerance, failure detection, and observability. The systems we build are foundational to OpenAI’s research velocity, enabling reliable, efficient training at frontier scale. We collaborate closely with researchers across the organization ...

Senior Backend Engineer

Hiring Organisation
WeDoTech
Location
London, Camden Area, United Kingdom
Employment Type
Permanent
Salary
£125000 - £145000/annum
journey. The foundations are in place, customers are using the technology, and the engineering team is now scaling both the platform and the systems behind it. They're looking for a Senior Backend Engineer who wants to be close to the product, customers and technical decisions rather than owning … small component within a much larger organisation. You'll be joining a highly technical engineering team and working on problems across AI, distributed systems, enterprise data and performance engineering. This is a hands on role with genuine ownership. You'll help determine how the platform evolves as usage ...

Senior Platform Engineer - AI Native SaaS Platform

Location
City Of London, England, United Kingdom
SaaS Platform | 10x ARR Since Last Year Remote-first UK with hybrid London office option Up to £125,000 + equity Golang | GCP | Kubernetes | Distributed Systems Senior Platform Engineer - We're working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round … match the ambition of their product and customers. The product is real-time, data-rich and AI-native, creating complex engineering challenges across distributed systems, reliability, infrastructure, tooling and developer experience. As they continue to scale their Engineering team, they are now looking for a Senior Platform Engineer ...

Principal Platform Engineer

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
+ 20% Flexible Benefits Package Are you an experienced Principal Engineer with a passion for building and operating large-scale distributed systems and database platforms? We're looking for a hands-on technical leader to help shape the future of our platform engineering capability. This is an opportunity … lead complex engineering initiatives, define technical strategy, and act as a subject matter expert across AWS infrastructure, distributed databases, Terraform and cloud-native platform services. You'll work closely with architects, engineers and senior stakeholders to design resilient, scalable and secure platform solutions while mentoring engineers and driving engineering ...

Senior Java & Cloud Platform Engineers | Financial Systems

Hiring Organisation
SharpAtoms
Location
City of London, London, United Kingdom
Senior Java & Cloud Platform Engineers | Financial Systems Talent Pod | London/EU Location: London, UK (Hybrid – Enterprise Deployments Across UK & EU) Work Model: Hybrid/Onsite/Remote opportunities may vary based on client engagement requirements. About This Talent Pod: SharpAtoms is building a UK & Europe Financial Systems … enterprise modernization programs across banking, payments, insurance, and regulated platforms. We are continuously engaging experienced engineers who have built and scaled secure, high-throughput, distributed financial systems in complex enterprise environments. This is not a job board posting. This is a pre-validated engineering talent network designed ...

Backend Software Engineer - Distributed Systems

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Backend Software Engineer (Go/Node.js Distributed Systems) Remote/Hybrid to £120k + Equity Are you an experienced Backend Software Engineer who enjoys building distributed systems, real-time infrastructure and solving complex scalability challenges? You could be progressing your career at a high growth technology ...

Aeron Solution Engineer

Location
City Of London, England, United Kingdom
arrangements We're hiring a Senior Solution Engineer to join a specialist technology consultancy that designs and delivers high-performance trading and capital markets systems for some of the world's leading financial institutions, fintechs, and market infrastructure providers. This Solution Engineer role is a unique blend of hands … engineering, technical leadership, and client engagement, focused on building low-latency, resilient, event-driven trading platforms using modern distributed systems and Aeron technology. The Role As a Solution Engineer , you'll work closely with clients and internal teams to design and deliver complex front-office solutions across capital ...

Fractional Lead Graph Engineer

Hiring Organisation
Elliot Marsh
Location
Central London, London, United Kingdom
Employment Type
Part Time
detection of risk and anomalies. The business is now building the technical foundations of the platform and is looking for an experienced graph and distributed systems specialist who can provide senior-level expertise on a fractional basis. Fractional Lead Graph Engineer The Role: The Fractional Lead Graph Engineer … infrastructure specialists, transferring knowledge into the wider engineering team Fractional Lead Graph Engineer You: - Significant commercial experience designing and scaling enterprise graph databases, distributed data systems or high-volume event-driven backends - Strong production experience with Neo4j and graph query languages such as Cypher or Gremlin - Deep understanding ...

Product Engineer (Backend, Full Stack) | Python, TypeScript, AWS | Climate Tech x Energy Trading | Real-Time Systems, High Ownership, 0→1 Product Builds | London (Hybrid, 3 Days) | £80-120k + Equity

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
Product Engineer (Backend, Full Stack) | Python, TypeScript, AWS | Climate Tech x Energy Trading | Real-Time Systems, High Ownership, 0→1 Product Builds | London (Hybrid, 3 Days) | £80-120k + Equity The Company The energy industry is undergoing one of its biggest transformations in decades. We're partnering with … climate technology company building software that sits at the heart of the transition towards a cleaner, more intelligent electricity grid. Rather than improving existing systems, they're building an entirely new platform from the ground up - combining real-time data, distributed hardware, AI, and energy trading to solve ...

Mid & Senior Backend Engineers | Python, TypeScript, AI | High-Growth US FinTech Scale-Up | New London Team | 5 Days On-Site | Visa Sponsorship | Up to £130k + Equity

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
engineering function. You’ll join at a stage where you can meaningfully influence the product, technical architecture and engineering culture while building systems used daily by demanding, paying customers. The Role | Mid & Senior Backend Engineers | Python, TypeScript, AI | High-Growth US FinTech Scale-Up | New London Team | 5 Days … Site | Visa Sponsorship | Up to £130k + Equity You’ll build and scale backend systems supporting the company’s customer-facing products and wider internal operations. This is a systems-focused role for an engineer who enjoys thinking about data flows, performance, reliability and the way different technologies ...

Software Engineer

Hiring Organisation
Linnk Group
Location
City of London, London, United Kingdom
someone who can independently own medium-complexity features, develop high-quality production code and contribute to the reliability and operational excellence of large-scale distributed systems. KEY RESPONSIBILITIES • Design, build and extend features for a remote MCP platform • Develop highly available backend and distributed services • Build production solutions … TypeScript • Work with AWS services including EC2, NLB, ElastiCache, Lambda and DynamoDB • Develop and maintain infrastructure using AWS CDK • Support high-throughput, low-latency distributed systems • Work with DNS, HTTP/TLS and load-balancing technologies • Troubleshoot application, infrastructure and networking issues • Support intelligent traffic routing and automated ...

C# Software Engineer (Mid and Senior) - Global Hedge Fund - C# & Python : £100-160k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
technical environment where software engineering, quantitative research and financial markets come together. You’ll work alongside exceptional developers, quantitative researchers and traders, building the systems and infrastructure that underpin a sophisticated trading operation. As a C#/.NET Software Engineer, you’ll be involved in designing, developing and improving … research ecosystem. You’ll have the opportunity to work on: High-performance C#/.NET applications and services Trading, market data and execution systems Real-time, event-driven architectures Distributed systems and messaging Performance optimisation and concurrency Internal tooling and platforms supporting quantitative research Designing robust, scalable ...

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Improve automation, observability, deployment processes and DevOps maturity What We're Looking For: Strong C#/.NET development experience Expertise in APIs, integrations and distributed systems Experience building cloud-native applications Strong understanding of software architecture, scalability, resilience and security Experience with AWS and/or Azure Strong … development and technical growth Flexible total rewards and employee support If you’re a Senior Engineer with strong C#/.NET, cloud, APIs and distributed systems experience and are interested in LNG and energy trading technology , we’d love to hear from you. ...

Senior Backend Engineer - Python, AI, Equity & Distributed Systems

Location
City Of London, England, United Kingdom
Senior Backend Engineer in London to join a high-growth AI startup. You will design and implement high-performance Python services, build scalable distributed systems, and own backend architecture from design to production. You'll collaborate with founders, customers and engineers to solve complex problems and shape ...

Principal Engineer I — Prepurchase Platform

Location
City Of London, England, United Kingdom
event discovery, real-time seat availability, and interactive venue experiences at massive scale, processing billions of API calls during peakon-sales. Our engineers build systems that must be fast, resilient, and available when it matters most. THE JOB As a Principal Engineer on the Prepurchase Platform team, you will … write code, build systems, and solve hard problems hands-on. This is a systems thinking role: you will reason carefully about distributed systemstradeoffs, understand why existing designs exist before proposing changes, and act on problems without waiting to be asked. You will lead platform modernization efforts, design ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
products. This role blends hands-on engineering with technical leadership, mentoring, and strategic decision-making. Required Skills & Experience Python Expertise 7+ years building production systems with Python. Microservices Strong experience designing and scaling distributed microservice architectures. Cloud Platforms Deep knowledge of AWS/GCP/Azure services. Databases … Proficiency with PostgreSQL, Redis, MongoDB, or similar. Messaging Systems Experience with Kafka, RabbitMQ, or event-streaming platforms. CI/CD Strong understanding of automated testing, deployment pipelines, and observability. Leadership Proven ability to lead teams, influence stakeholders, and deliver complex projects. FinTech Domain Knowledge Experience in payments, trading, banking ...

Machine Learning Engineering Lead

Hiring Organisation
Hackajob Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Lead Are you passionate about designing and deploying intelligent machine learning solutions that drive business impact? Do you enjoy leading teams, building scalable ML systems, and turning complex data into innovative products and services? About the team: We are a software engineering team responsible for developing and supporting business … Engineering, supporting production AI/ML, LLM/RAG, and agentic workflow capabilities for legal content products. In addition to writing code on complex systems, this position provides technical direction on architecture, MLOps, responsible AI, legacy system integration, AWS-based delivery, and AI-assisted development practices. The position does ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
strong C#/.NET engineer who enjoys solving complex technical problems and wants to have genuine influence over the architecture and direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable … significant software development projects from initial design through to production Contribute to and lead architectural and technical design decisions Design and develop scalable systems supporting automated trading, research and data-driven applications Work closely with quantitative researchers and traders to understand requirements and translate them into robust technical solutions ...

Member of Technical Staff

Hiring Organisation
Salient Group
Location
City of London, London, United Kingdom
Technical Staff - AI Infrastructure/ML Platform Location | London (Hybrid) Comp | Highly Competitive + Meaningful Equity Focus | AI Infrastructure, MLOps, Data Platform, GPU Systems, Research Infrastructure, Scientific ML We’re partnering with a stealth AI4Science company building foundational technology designed to accelerate science. Backed by significant funding and leading … This is an early and highly influential hire. You’ll work directly with researchers and scientists, understand how they actually experiment, and build the systems that allow them to move significantly faster. About The Role As a Member of Technical Staff, you’ll own infrastructure across the intersection ...

Senior Data Engineer

Location
City Of London, England, United Kingdom
Experience using dbt for data modelling and transformation Experience working with Apache Airflow or similar orchestration tooling Proven experience designing and building production systems on GCP and/or AWS Strong understanding of event-driven architectures and distributed systems Experience deploying and supporting batch and real-time … machine learning workloads Experience working with distributed processing technologies such as Spark or Apache Beam Strong understanding of data quality principles and engineering best practices Experience optimising database performance, troubleshooting issues and maintaining production data systems Ability to learn new technologies quickly and apply them pragmatically ...

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
build high-performing engineering teams. Experience working within cloud-based environments (AWS, Azure or GCP). Understanding of software architecture, system design, and scalable distributed systems. Nice to Have Experience within FinTech, Payments, Banking, Financial Services, or Regulated Industries . Knowledge of payment processing, payment gateways, acquiring, issuing, card ...

Senior Applied AI Engineer (Manager) TC

Location
City of Westminster, England, United Kingdom
diverse portfolio of clients spanning Financial Services, the Public Sector, and the Private Sector. Our Applied AI Engineering teams deliver production-grade AI systems in regulated financial institutions as well as government, health, infrastructure, consumer, industrial and energy organisations. This cross-sector model gives you broad exposure to different … will guide squads and shape architectures to meet these demands., Lead technical delivery across solution threads: set technical direction, mentor engineers, and ensure systems are production-ready (reliability, observability, security, runbooks). Continue your development through the Applied AI Engineering Academy focused on advanced patterns and engineering leadership. Shape ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
modern engineering practices Architect payment solutions supporting real-time payments, cross-border transactions, settlement, reconciliation, and regulatory requirements Design integration patterns across enterprise systems, third-party providers, and banking platforms Drive iterative delivery, stakeholder engagement, demonstrations, and technical progress reporting Collaborate with Business, Integration, Data, and DevOps Architects … Financial Services, or other highly regulated environments Deep expertise in Java, Spring Boot, and enterprise-scale backend development Strong knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration ...

Site Reliability Engineer, Infrastructure - ThousandEyes

Location
City Of London, England, United Kingdom
ThousandEyes is deeply integrated across the Cisco technology portfolio, delivering AI-powered assurance insights within Cisco’s Networking, Security, Collaboration, and Observability portfolios. Our distributed Site Reliability Engineering team of approximately nine engineers owns the availability, latency, performance, efficiency, monitoring, emergency response, and capacity planning of the platform while … application development teams. We believe in operations, infrastructure, and everything as code, creating a collaborative and pragmatic environment where engineers can manage large-scale systems that receive hundreds of millions of messages per hour. Your Impact Design andoperate large-scale, highly available distributed systems that allow ...