126 to 150 of 187 Distributed Systems Jobs in London

Site Reliability Engineer (SRE)

Hiring Organisation
Charles Simon Associates Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £125,000 per annum
planning and load testing efforts to anticipate scaling needs and prevent bottlenecks Contributing to architectural decisions that impact reliability, latency, and fault domains across distributed systems Please send an up-to-date copy of your CV to be considered for the Site Reliability Engineer Site Reliability Engineer ...

Principal Engineer

Hiring Organisation
Motive Group
Location
City of London, London, United Kingdom
Principle Engineer This is a role for engineers who like big systems, hard problems, and meaningful ownership. You’ll be joining a team operating at the intersection of software, hardware, and AI. The engineering team is small, ambitious, and deeply technical, building the orchestration systems that keep thousands … GPUs running at peak performance across global data centres. About You You’re a pragmatic systems builder who thrives in complexity, enjoys autonomy, and understands what it means to own production at scale. You’ll likely bring: 5+ years’ experience building distributed systems in Go within cloud ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£520.00 - £570 per day
high-impact project delivering scalable, reliable backend services. You'll work with modern Java-based technologies in a collaborative, delivery-focused environment, contributing to systems that are critical, secure, and built to scale. This is a contract role offering long-term stability, flexibility through remote working, and the opportunity … work on meaningful, production-grade systems. Key Responsibilities Design, build, and maintain robust backend services using Java Develop and integrate event-driven systems using Kafka Build and consume REST APIs to support internal and external services Collaborate closely with product owners, architects, and other engineers Write clean, maintainable ...

Senior Backend Developer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
highly capable engineering team working with Node.js, TypeScript and Kafka. This is a hands-on role where you’ll be building and evolving distributed backend services in a fast-paced, product-focused environment. The Role Build, maintain and improve backend services using Node.js and TypeScript Some experience with React … services from development through to production What We’re Looking For Strong commercial experience with Node.js and TypeScript Practical experience working with event-driven systems (Kafka experience preferred) Good understanding of distributed systems, scalability and reliability Experience working in complex backend environments (e-commerce is a plus ...

Founding Engineer

Hiring Organisation
Corecom Consulting
Location
London, United Kingdom
Employment Type
Permanent
architecture, and delivery. The product is already live, customer-facing, and built around applied AI rather than research. The focus is on shipping reliable systems that solve real operational problems at scale. This role suits engineers who thrive in ambiguity, enjoy working close to customers, and are motivated … than hierarchy. What You'll Be Doing Building and shipping core product features using Python and TypeScript Designing and owning backend-leaning full-stack systems Working with LLMs and AI-driven workflows in production Building event-driven systems and third-party integrations Taking ownership from problem discovery through ...

Software Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
Cambridge, Oxford. The role This is a greenfield platform engineering role with complete ownership over the core architecture. You'll design and build the systems powering real-time trading from the ground up, working directly with exceptional founders on one of the most ambitious infrastructure challenges … Architect the full platform stack (Python, TypeScript, Golang) handling trading engine, pricing models, hedging mechanisms and marketplace functionality. Build scalable, low-latency systems for real-time order matching, risk management and market data distribution. Design resilient infrastructure that can handle massive compute trading volumes with 24/7 reliability. ...

Senior Data Engineer

Hiring Organisation
WorkGenius Group
Location
London Area, United Kingdom
pragmatic, impact-focused way What You Bring Senior level Data Engineering experience Excellent Python and SQL skills Experience in big data environments (e.g., Spark, distributed systems, cloud data platforms) Solid understanding of data modeling, ETL/ELT, and pipeline architecture Willingness to work onsite in Edinburgh or London ...

Technical Data Architect

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum, Inc benefits
documentation, technical direction and best practices What my client is looking for 10+ years in engineering/architecture roles Strong experience with cloud-native distributed systems Hands-on AWS/Azure/GCP knowledge (IAM, networking, storage, compute) Strong data architecture experience (schemas, metadata, governance) Nice to have ...

.Net Developer E-Trading & Front Office

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
Server Must have experience with multi-threading programming Experience with asynchronous and event driven programming Experience developing real-time applications Familiar with building distributed systems Knowledge of networks and topologies Firm grounding of common algorithms Excellent oral and written communication skills Proactive team player with ...

Observability Architect

Hiring Organisation
Fairfield Consultancy Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £625 per day
Logging platforms: Splunk, ELK/Opensearch, CloudWatch Logs Metrics & telemetry: Prometheus, Grafana, OpenTelemetry Event management: ServiceNow, PagerDuty, Moogsoft, BigPanda Strong knowledge of instrumentation for distributed systems, microservices, containers (EKS, ECS), serverless workloads, and legacy systems. Migration & Architecture Skills Proven experience supporting large-scale on-prem to AWS migrations ...

Hadoop Platform Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
quality data solutions Contributing to our cloud migration strategy , helping move legacy workloads into modern cloud platforms Driving platform simplification and engineering excellence across distributed systems Supporting enterprise data transformation activities that enable the bank's strategic objectives Ensuring stability, performance, and security of critical data services What … Looking For Strong hands-on experience with Hadoop ecosystem tools (HDFS, Spark, Hive, Oozie, YARN, etc.) Experience operating and supporting large, complex, distributed clusters Understanding of data engineering principles and data platform design Experience with on-prem Hadoop environments and ideally cloud-based data platforms Exposure to cloud technologies ...

Product Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
Product Engineering in this environment is about: Generalising from complex, real-world use cases Designing abstractions that work across diverse enterprise contexts Building flexible systems that scale without fragmenting You’ll work closely with customer-facing engineers, product leaders, and end users to identify common patterns — then turn them … variability Build and extend generative AI-enabled workflows as part of the core product Develop and maintain robust data pipelines using Python, PySpark, and distributed systems Balance near-term delivery with long-term platform maintainability and coherence Contribute to architectural decisions shaping the evolution of the platform What ...

(Senior) Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
building scalable, user-facing platforms for data-intensive scientific workflows. The environment is engineering-led, fast-paced, and focused on quality, ownership, and building systems that scale. This Will Offer You Ownership of a core, business-critical frontend application Responsibility for frontend architecture in a complex technical product Close … collaboration with product, backend, and data/ML engineering teams Exposure to distributed systems, long-running workflows, and high-volume data Competitive compensation and long-term growth opportunities with potential leadership options A high-autonomy role within a technically rigorous environment Your Responsibilities Own and evolve the React ...

Fullstack Developer .Net

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
.Net Core, Typescript/Javascript, SQL Server, Agile, event-driven systems, SOLID McGregor Boyall are partnering with a leading InsurTech business aiming to be the payment partner of choice for the insurance market, backed by over £100m in capital. This isn't a pure coding role. … offering visa sponsorship. Required skills: - Strong experience working with modern .Net Core - Extensive front end experience with React or Typescript - Experience working on distributed systems - Knowledge of microservices/APIs Nice to have: - Prior fintech experience, particularly within insurance or payments - Containers (docker or kubernetes) McGregor Boyall ...

IAM Engineer

Hiring Organisation
Tradeweb Markets
Location
London, UK
risk requirements by enabling evidence collection and reporting around authentication events, policy enforcement, and access anomalies. Required Qualifications Bachelor's degree in Information Systems, Computer Science, Cybersecurity, or a related field (or equivalent practical experience). 5+ years of experience in Identity and Access Management, with strong expertise … user lifecycle automation patterns for client/partner ecosystems, including JIT provisioning and SCIM where applicable. Ability to troubleshoot complex identity issues across distributed systems (cookies/sessions, redirects, tokens, upstream IdPs), perform root-cause analysis, and drive durable remediation. Familiarity with security and compliance expectations in regulated ...

Head of Engineering

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
scale-up (Series A/B); time in both early-stage and mature environments is a bonus. Strong technical foundation in Python, distributed systems, cloud infrastructure (Azure preferred), and modern scalable architectures. Solid grasp of Agile practices, continuous delivery, and high-performing lean teams. People-first leadership style ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Ruby on Rails or similar backend frameworks at scale Strong expertise with React and/or React Native Experience designing scalable architectures, APIs, and distributed systems GraphQL knowledge – highly beneficial Excellent communication and leadership skills; able to influence without ego Proven ability to guide teams, mentor others ...

Lead Performance Test Engineer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 70,000 Annual
live readiness Drive continuous improvement, innovation, and best practices in performance Essential Skills & Experience Extensive experience leading performance testing for large-scale systems Strong background in performance engineering, not just tool execution Proven ability to make design and architectural recommendations Experience with cloud platforms (especially AWS) Deep understanding … Distributed systems Microservice architecture Scalability, resilience, and capacity planning Confident stakeholder engagement at technical and leadership levels Experience operating in governed or regulated environments Desirable Public-sector or government programme experience Experience with APM, monitoring, observability, or AI-assisted analysis Familiarity with GDS or enterprise assurance frameworks Scope ...

Senior Quant Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
programming skills in Python and/or C++, with a focus on writing clean, performant production code Strong understanding of core CS fundamentals (algorithms, distributed systems, profiling, testing) Experience in a systematic trading environment or quantitative data domain is highly advantageous, though not essential A problem-solver with … ability to work collaboratively in a highly technical, research-driven environment Humility, curiosity, and a desire to build systems that have real, measurable impact Computer Science or STEM degree from a good university Why This Role Stands Out Opportunity to join a top-performing fund with a deeply technical ...

C++ Software Engineer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
Travel & Aviation Technology - C++ - Flight Management Systems A global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation … next-generation cockpit intelligence. You’ll work on high-performance, multi-threaded systems that directly impact global aviation efficiency, fuel optimisation, and safety -contributing to one of the most advanced FMS platforms in the industry. Responsibilities Design and develop C++ applications for core Flight Management System components Work ...

Director, Software Engineering

Hiring Organisation
Ripple
Location
London, England, United Kingdom
Custody. WHAT YOU'LL DO Provide technical and business leadership defining Ripple Custody’s long term strategy, ensuring flawless execution building secure software and systems that are scalable and reliable Own and deliver the roadmaps of multiple programs while driving technical and operational excellence across the engineering organization Mentor … hands-on software development leadership experience, managing managers and teams of engineers. Solid leadership and communication skills. Hands-on experience building highly secure, scalable distributed systems in modern technology stacks Experience with Agile development with a focus on robust software design, scalability and security. Eagerness to work openly ...

Senior Platform Engineer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per annum
deliver industry-leading features at scale. Requirements Background in software development Strong communication and ability to influence technical direction Experience with microservices and distributed systems Proven cross-team collaboration Strong AWS experience (EKS, RDS, S3, CloudFront, MSK) Understanding of SLIs, SLOs, SLAs Knowledge of networking and Linux administration ...

Head of Engineering

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£115,000 - £130,000 per annum
owning end-to-end delivery across a complex, data-driven platform used by enterprise customers. You will set technical direction and guide architecture across distributed systems, large-scale data processing (Scala, Spark, Databricks), machine learning pipelines, and cloud-native infrastructure on AWS. A core focus is driving high ...

Head of Engineering

Hiring Organisation
Native
Location
City of London, London, United Kingdom
with the founder and research team to turn frontier research into a world-class, production-grade AI platform, while building the team, culture, and systems that can scale. This role combines deep technical ownership, architectural leadership, and people leadership. What you’ll do Develop the technical execution of Native … platform and products Translate research breakthroughs into scalable, reliable production systems Set and evolve the overall engineering architecture across platform, data, and infrastructure Build and lead an elite engineering team with a very high bar Hire exceptional engineers and help shape the company’s engineering culture Establish best practices ...

Senior Test Engineering Manager Automation-First

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£480 - £500 per day
engineering leadership experience Proven track record of creating and evolving test strategies, not just executing them Experience building and scaling test automation in complex, distributed systems Strong people leadership experience, including coaching and developing engineers Background in sell-side or mission-critical platforms (fintech, SaaS, infrastructure, high-availability … systems) Deep understanding of automation strategy, CI/CD, and modern delivery practices *Rates depend on experience and client requirements ...