Distributed Systems Jobs in London

26 to 50 of 133 Distributed Systems Jobs in London

Senior DevOps Engineer - AWS

London, South East, England, United Kingdom
Robert Walters
maintainable features and resolve end-to-end issues, ensuring solutions are fit for purpose, add business value, and meet quality standards. Contribute to strategies for managing technical debt, ensuring systems are secure, resilient, and reliable. Define and analyse test approaches to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in …/CSS, Java, Spring, Terraform/CloudFormation Hands-on experience: Building serverless applications in AWS Building microservices in Java (Spring Boot) Strong understanding of clean code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security More ❯
Employment Type: Full-Time
Salary: £75,000 - £90,000 per annum
Posted:

Senior Software Engineer, Exposure

London, United Kingdom
P2P
services on AWS that handle 1,000's requests per second Help the team to modernise our stack to operate at 10x current capacity Debug production issues across multiple systems and microservices We're looking for candidates who have: Experience in designing and implementing cloud-native microservices-based distributed systems in a major cloud provider like AWS … and design partners Experience with object-oriented programming languages. We mostly use Java but appreciate a variety of languages! Strong technical background with extensive experience working directly on backend systems/projects You take pride in materializing product ideas into production Exposure to or interest in the cryptocurrency technology ecosystem Experience mentoring other engineers, leading cross-team projects, and … driving design and technology decisions is a plus Experience with Terraform and Kubernetes is a plus! A genuine excitement for significantly scaling large data systems Technologies we use (experience not required): AWS serverless architectures Kubernetes Spark Flink Databricks Parquet. Iceberg, Delta lake, Paimon Terraform Github including Github Actions Java PostgreSQL About Chainalysis Blockchain technology is powering a growing wave More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Analytics Front Office

London, United Kingdom
DRW Holdings, LLC
and asynchronous dispatch. We often reach for Python to build smaller services and frequently interact with analytics libraries in C++. Responsibilities Design, implement and operate low latency risk analytics systems as part of a highly capable team . D ecompose complex functional requirements into coherent service designs that are efficient, simple to operate , and can be changed reliably . … Be a capable mentor who is eager to contribute their unique knowledge and perspective to advance the team's capabilities . Required qualifications Extensive experience designing & operating low latency distributed systems at scale for critical business functions. Extensive experience in testing & test automation Fluency in functional and object -oriented programming languages . Competency in using Git, CI/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer - AWS

London, South East, England, United Kingdom
Robert Walters
maintainable features and resolve end-to-end issues, ensuring solutions are fit for purpose, add business value, and meet quality standards. Contribute to strategies for managing technical debt, ensuring systems are secure, resilient, and reliable. Define and analyse test approaches to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in …/CSS, Java, Spring, Terraform/CloudFormation Hands-on experience: Building serverless applications in AWS Building microservices in Java (Spring Boot) Strong understanding of clean code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

DevOps Engineer - Contract (Outside of IR35)

London, United Kingdom
Pulselive
and execute necessary maintenance to enhance the user experience and system functionality. Technologies in use: AWS Services & Infrastructure (Control Tower, IAM, ECR, etc.) Infrastructure as Code (Terraform, CloudFormation) Containerised Systems (Docker, Kubernetes, Karpenter) Storage (EBS, S3) Security & Identity Management (IAM, SSO, VPN, Authentik) CI/CD & Deployment Automation (Bitbucket, GitLab, ArgoCD) Monitoring & Logging (Grafana, Loki, Mimir, Prometheus, UpTrends) Networking … using scripting (e.g. Bash, Python) Investigation and Troubleshooting Investigate and resolve back-end and infrastructure production issues Troubleshoot technical issues or questions reported by customers Key Skills Experience operating distributed systems at scale Excellent external and internal communication skills and team collaboration Working knowledge of databases and SQL Strong capability with infrastructure with AWS, Kubernetes & Terraform Good understanding More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer - AWS/Java

City of London, London, England, United Kingdom
Hybrid / WFH Options
Xpertise Recruitment Ltd
Functions) Node.js Java (Spring Boot) Terraform/CloudFormation SQL, GraphQL Postgres, DynamoDB (nice to have) Kubernetes, GitHub Actions, Quarkus (nice to have) What You'll Bring: Proven experience building distributed systems and serverless applications Strong grasp of clean code principles and software testing Familiarity with CI/CD pipelines and secure coding practices A collaborative, strategic mindset and More ❯
Employment Type: Full-Time
Salary: £70,000 - £85,000 per annum
Posted:

eTrading Engineer - Rates

London, South East, England, United Kingdom
Robert Walters
develop new features from scratch, as well as improve existing ones. Key Responsibilities Design, develop, and optimize algorithmic and execution strategies for Rates products Build robust low-latency Java systems and trading infrastructure Collaborate with traders, quants, and technologists to translate ideas into production-ready solutions Monitor and refine strategy performance, making real-time adjustments when required Conduct research … resilience, usability, and efficiency Develop and maintain relationships with trading venues and liquidity providers Contribute to overall electronic trading architecture and infrastructure Engage directly with user feedback to improve systems and strategies Key Requirements Strong Java development skills, ideally in low-latency/high-performance systems Solid understanding of systems design, market microstructure, and electronic execution Degree … communication skills Collaborative, adaptable, and able to work under pressure with a high sense of ownership Experience with multiple asset classes beyond Rates (FX, futures, options, equities) Knowledge of distributed systems, cloud platforms, or KDB/time-series databases Familiarity with risk management, market-making, or financial regulations (e.g., MiFID II) Robert Walters Operations Limited is an employment More ❯
Employment Type: Full-Time
Salary: £80,000 - £150,000 per annum
Posted:

Full Stack Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Robert Half
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 ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Principal Engineer, BCG Expand, London

London, United Kingdom
Boston Consulting Group
in at least two of the following: Python, SQL, Java Commercial experience in client-facing projects is a plus, especially within multi-disciplinary teams Deep knowledge of database technologies: Distributed systems (e.g., Spark, Hadoop, EMR) RDBMS (e.g., SQL Server, Oracle, PostgreSQL, MySQL) NoSQL (e.g., MongoDB, Cassandra, DynamoDB, Neo4j) Solid understanding of software engineering best practices - code reviews, testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Golang Developer

London, United Kingdom
Hybrid / WFH Options
Circle Group
Golang Developer position is fully remote. Qualifications & Skills required: 3+ years of experience in software development, with a strong focus on Go ( Golang ). Solid understanding of backend architecture, distributed systems and API design. Solid understanding of DevOps, CI/CD, infrastructure as code and cloud platforms. Excellent communication skills and a true team player Experience working with … SaaS platforms or automation tools is a plus. Comfortable working in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and … implement APIs, data models and automation workflows. Optimise performance, scalability and reliability of distributed systems. Participate in code reviews and contribute to technical discussions. Write unit and integration tests to ensure code quality. Collaborate with cross-functional teams to understand requirements and deliver solutions. Help identify and resolve technical bottlenecks and bugs. Benefits : 30 days annual leave plus bank More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Golang Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
Golang Developer position is fully remote. Qualifications & Skills required: 3+ years of experience in software development, with a strong focus on Go ( Golang ). Solid understanding of backend architecture, distributed systems and API design. Solid understanding of DevOps, CI/CD, infrastructure as code and cloud platforms. Excellent communication skills and a true team player Experience working with … SaaS platforms or automation tools is a plus. Comfortable working in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and … implement APIs, data models and automation workflows. Optimise performance, scalability and reliability of distributed systems. Participate in code reviews and contribute to technical discussions. Write unit and integration tests to ensure code quality. Collaborate with cross-functional teams to understand requirements and deliver solutions. Help identify and resolve technical bottlenecks and bugs. Benefits : 30 days annual leave plus bank More ❯
Employment Type: Full-Time
Salary: £50,000 - £85,000 per annum, Inc benefits
Posted:

Software Engineer

City of London, London, United Kingdom
cer Financial
cycles Evidence of delivering application from inception, to design, and to production String core Java development skills including streams, lambdas, and advanced concurrency APIs Extensive experience and understanding of distributed systems, developing, profiling, and maintaining multi-threaded, asynchronous applications JVM monitoring, profiling, performance tuning, and debugging. Experience with analysis tools such as JConsole, JVisualVM, Elastic Search/Logstash … Prometheus; Open tracing Extensive experience of test driven development Knowledge of CI/CD on large complex systems Experience from working in the Risk or pricing domain in investment banking, either in Front-office, or Market/Credit risk with a good understanding of risk sensitivities and f2b processes. Hands-on experience with dynamic scalability; cloud deployment (EKS/ More ❯
Employment Type: Contract
Posted:

Senior Backend Engineer

City of London, London, United Kingdom
Innovate Recruitment Ltd
Senior Backend Engineer (Golang) - Onsite working, Tuesday, Wednesday, Thursday. Were on the hunt for aSenior Backend Engineerwith strongGolang for our client. You will use your skills to shape the systems, processes, and architecture that power theirmission. If youre a proactive problem-solver who thrives in fast-moving, highly collaborativeenvironments, this role offers the chance to work on meaningful projects … code Proven ability to take a User Story from refinement through to delivery within a sprint Solid experience in data modelling and database design (SQL or NoSQL) Understanding of distributed systems and event-driven architectures Experience delivering cloud-based REST API solutions Excellent communication and collaboration skills Bonus points for: SaaS product experience Microservices and messaging/event More ❯
Employment Type: Permanent
Salary: £95,000
Posted:

Security Engineer - Core Colo Engineering

London, United Kingdom
Barlowe LLP
providing and evolving our low-latency platform. As a Security Engineer in Core Colo Engineering, you will be responsible for the security architecture and controls that underpin a globally distributed, low latency system. Our application platform consists of high-performance Linux servers, Kubernetes, and an ecosystem of services to manage application deployments written mostly in C#. We're on … our application platform Collaborating with architecture, platform and application teams to identify risks and integrate security best practices Developing tools and controls that improve the security posture of our systems without adding friction Keeping a business value-oriented mindset, understanding how your work adds value to the business and making that central to your decision making Who are we … in software engineering, including extensive experience in a high-level programming language such as C#, Java, Go, Rust, or C++ A proven track record in designing and implementing secure distributed systems using modern cloud-native technologies, especially AWS and Kubernetes Deep understanding of security principles across application, network, and infrastructure security, including secure deployments, container hardening, least privilege More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SDET

London, South East, England, United Kingdom
Hirexa Solutions UK Limited
Required Qualifications Bachelor’s or master’s degree in computer science, Engineering, or a related technical field. 8+ years of hands-on software development experience, including large-scale backend systems or platform engineering. Expert in Python with a strong understanding of object-oriented programming, testing frameworks, and automation libraries. Experience building or validating platform infrastructure, with hands-on knowledge … of CI/CD systems, GitHub Actions, Jenkins, or similar tools. Solid experience with AWS services (Lambda, S3, ECS/EKS, Step Functions, CloudWatch). Proficient in Infrastructure as Code using Terraform to manage and provision cloud infrastructure. Strong understanding of software engineering best practices: code quality, reliability, performance optimization, and observability. Preferred Qualifications Exposure to machine learning workflows … model lifecycle management, or data engineering platforms. Experience with distributed systems, event-driven architectures (e.g., Kafka), and big data platforms (e.g., Spark, Databricks). Familiarity with banking or financial domain use cases, including data governance and compliance-focused development. Knowledge of platform security, monitoring, and resilient architecture patterns. More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Backend Software Engineer

Uxbridge, Middlesex, United Kingdom
Motorola Solutions
safer hospitals and safer businesses. Connect with a career that matters, and help us build a safer future. Department Overview Motorola Solutions' Avigilon Alta Video brings Cloud video security systems to the next level. Alta's cloud-based video surveillance solution offers industry leading full AI video analytics and exceptional operational insights. The Alta Video engineering team injects intelligence … be part of the ever growing Alta Video backend software team? Job Description The Backend team develops the core of the Alta Video Management System. These are Cloud based distributed systems monitoring and managing Video Cameras, Access Control Systems and Sensors. The Backend team is responsible for analyzing, developing, designing, and maintaining the entire backend ecosystem. This … includes developing new features, adding capabilities and increasing capacities, along with maintaining the existing CI/CD systems and customer deployments. We are an agile team that prides ourselves in allowing great autonomy and valuing collaboration, quality and security throughout. Basic Requirements Please note, this is a hybrid role based out of the Uxbridge office for 1 to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer - Low Latency Systems (FinTech)

London, United Kingdom
Hybrid / WFH Options
Vertus Partners
Java Developer - Low Latency Systems (FinTech) Location: London (Hybrid) Salary: Competitive + Bonus + Benefits Are you an experienced Java Developer with a passion for working on cutting-edge, low-latency systems? Join a dynamic and innovative fintech, delivering high-performance solutions in the world of financial markets. We're looking for a talented Mid/Senior Java … Developer to contribute to our mission of building the fastest, most reliable systems in the industry. What You'll Do: Design, develop, and maintain high-performance, low-latency Java applications for mission-critical trading systems. Work on optimising throughput and minimizing latency to meet the demands of Real Time financial markets. Collaborate with cross-functional teams to deliver scalable … systems. Excellent problem-solving skills, and an ability to work well in a fast-paced, collaborative environment. Bonus Skills: Exposure to financial markets or trading platforms. Experience with Linux, distributed systems, and high-frequency trading environments. Knowledge of JVM internals and garbage collection tuning. What's on Offer: A chance to work on industry-leading low-latency solutions. More ❯
Employment Type: Permanent
Salary: GBP 90,000 - 130,000 Annual
Posted:

XVA Developer

City of London, London, United Kingdom
cer Financial
cycles Evidence of delivering application from inception, to design, and to production String core Java development skills including streams, lambdas, and advanced concurrency APIs Extensive experience and understanding of distributed systems, developing, profiling, and maintaining multi-threaded, asynchronous applications JVM monitoring, profiling, performance tuning, and debugging. Experience with analysis tools such as JConsole, JVisualVM, Elastic Search/Logstash … Prometheus; Open tracing Extensive experience of test driven development Knowledge of CI/CD on large complex systems Experience from working in the Risk or pricing domain in investment banking, either in Front-office, or Market/Credit risk with a good understanding of risk sensitivities and f2b processes. Hands-on experience with dynamic scalability; cloud deployment (EKS/ More ❯
Employment Type: Contract
Rate: Up to £920 per day
Posted:

Sr. Machine Learning Engineer, Amazon General Intelligence (AGI)

London, United Kingdom
Amazon
is responsible for designing, implementing, and optimizing large-scale computing infrastructure that powers our cutting-edge AI and machine learning initiatives. We leverage advanced hardware, innovative software architectures, and distributed computing techniques to enable breakthrough research and product development across the company. We are seeking a Senior Machine Learning Engineer to join our team and lead the development of … cross-cutting, and/or most ambiguous challenges spanning across our ML infrastructure. Align the teams in ML Infrastructure and related organizations to a coherent technical vision and deliver systems that fit well together. Exert influence over multiple teams, increasing their productivity and effectiveness. You hold peers and teams to a high bar for performance and efficiency, and aid … scout top talent and recruit them to the company. Actively mentor senior and Principal engineers, scale yourself by developing and institutionalizing best practices in AI/ML infrastructure and distributed computing across the organization. A day in the life: 8+ years of professional software development experience in distributed systems with emphasis on ML infrastructure; 8+ years of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Azure Cosmos Developer

London, United Kingdom
Hybrid / WFH Options
Infoplus Technologies UK Ltd
Deep understanding of Azure services including Azure Functions, App Services, AKS, and Logic Apps Hands-on experience with Azure Cosmos DB including query optimisation and throughput management Familiarity with distributed systems and NoSQL data modelling Experience with Git, version control, and continuous integration tools Having at least 10+yrs exp in Azure with 5+yrs experience working as Fabric and More ❯
Employment Type: Contract, Work From Home
Rate: £550 per day
Posted:

Azure DevOps Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Robert Half
DevOps Engineer will design, build, and maintain CI/CD pipelines to support the API backbone and other digital initiatives. Implement best practices for monitoring, logging, and alerting across distributed systems. Work closely with software development teams to embed DevOps principles and support a culture of continuous integration and continuous delivery (CI/CD). Drive adoption of test More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Lead Data Engineer

London, United Kingdom
Hybrid / WFH Options
Publicis Groupe UK
optimal solutions Define and enforce data quality, governance, and monitoring standards across the data platform Optimize the performance and scalability of ETL/ELT workflows and cloud-based data systems Own the roadmap for data infrastructure modernization, recommending new tools, technologies, and practices to improve efficiency and reliability Act as the primary escalation point for complex technical challenges, troubleshooting … in a technical leadership or lead role Proven track record designing and delivering enterprise-grade data platforms on GCP, AWS, or Azure Deep expertise in data modeling, data warehousing, distributed systems, and modern data lake architectures Advanced proficiency in Python (including PySpark) and SQL, with experience building scalable data pipelines and analytics workflows Strong background in cloud-native More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Developer PHP

North West London, London, United Kingdom
Hybrid / WFH Options
ByteHire
TypeScript experience Proven experience building full-stack web applications using PHP and React Strong foundations in relational databases (MySQL). Experience working with REST APIs and integrating third-party systems Previous experience working in startups at the seed or Series A/B stage Good experience with Queuing (processing jobs) Experienced with CSS frameworks such as TailwindCSS or BootstrapCSS … or Google Cloud Inertia.js DevOps experience, including maintaining CI/CD pipelines Familiarity with scaling servers and databases Understanding of infrastructure setup and management Exposure to designing or building distributed systems, preferably in a cloud environment Company Tech Stack PHP, Laravel, ReactJS, TypeScript, Inertia, WordPress MySQL, Redis, ElasticSearch, DataDog, AWS, Terraform, Docker Benefits Hybrid working 1-2 days More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Java Backend Developer

London, United Kingdom
Randstad Technologies Recruitment
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. … than 12 years) in software development with at least 2 server-side languages - Java being must have. Experience working in Kubernetes environment. Proven experience with microservices architecture and scalable, distributed systems. Proficient in data technologies like MySQL . Experience with batch processing , data pipelines , and data integrity practices. Familiarity with AWS services (e.g., RDS, Step Functions, EC2, Kinesis) is More ❯
Employment Type: Contract
Rate: £63 - £84/hour
Posted:

AWS Data Architect

London, United Kingdom
Harvey Nash
Architect or Lead Data Engineer in AWS environments * Deep understanding of cloud-native data services: S3, Redshift, Glue, Athena, EMR, Kinesis, Lambda * Strong hands-on expertise in data modelling, distributed systems, and pipeline orchestration (Airflow, Step Functions) * Background in energy, trading, or financial markets is a strong plus * Excellent knowledge of Python, SQL, and data governance frameworks * Experience More ❯
Employment Type: Contract
Rate: £450 - £525 per day
Posted:
Distributed Systems
London
10th Percentile
£72,500
25th Percentile
£87,500
Median
£110,000
75th Percentile
£125,000
90th Percentile
£150,000