23 of 23 Contract Distributed Systems Jobs in London

need an experienced solution architect with 8-12+ years who works closely with the IT Systems Architect on internal BSS systems modernisation, vendor rationalisation and application portfolio simplification. Embedded in workstreams, you break down strategic designs into implementable features whilst ensuring system stability, architectural consistency and long … processes and integration patterns at implementation level - Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks - Lead-to-Cash (L2C) and Order-to-Cash (O2C) solutions in Tier-1 telecom operator environments - TMF standards: Product Ordering (TMF641 ...

customers weekly, across all platforms with global expansion ahead. This role involves designing and scaling a high-performance, internet-facing API operating across distributed environments. If you enjoy solving complex engineering challenges and building resilient systems at scale, this could be a great fit. What … Doing Designing and building scalable backend systems using Java and the JVM ecosystem Developing clean, maintainable code from product requirements Applying TDD/BDD practices and modern engineering principles Building and maintaining cloud-native infrastructure Working on highly available distributed systems Troubleshooting production issues and driving root ...

delivery cadence What We're Looking For * Strong Software Engineering background across modern technologies * Previous experience leading and managing engineering teams * Experience delivering scalable distributed systems and cloud-based services * Strong understanding of software architecture, engineering quality, and delivery practices * Experience working within Agile environments * Excellent stakeholder management … communication skills * Comfortable operating within complex and evolving organisations Technical Environment Experience across modern engineering environments, ideally including: * Java * JavaScript * Cloud platforms * Distributed systems * DevOps/CI-CD practices Summary Software Engineering Manager required to lead engineering teams delivering scalable digital products within a modern Agile environment. Strong ...

/CD Implementation: Collaborate with DevSecOps to optimise CI/CD pipelines, ensuring automated testing and deployment. Architecture Contribution: Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub. Mentorship: Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team. ...

design, build, and maintain microservices-based applications and data engineering pipelines. This role requires strong hands-on development experience across Java services, backend systems, and data processing platforms, with a focus on building scalable, reliable, and maintainable solutions. The role involves close collaboration with data engineers, QA, product … Redshift, BigQuery, Spark). Engineering Practices & Tooling Experience with CI/CD pipelines and automated build and deployment processes. Strong experience with version control systems (Git). Experience developing in cloud environments (Azure, AWS, or GCP). Understanding of distributed systems, service communication patterns, and fault tolerance. ...

design, build, and maintain microservices-based applications and data engineering pipelines. This role requires strong hands-on development experience across Java services, backend systems, and data processing platforms, with a focus on building scalable, reliable, and maintainable solutions. The role involves close collaboration with data engineers, QA, product … Redshift, BigQuery, Spark). Engineering Practices & Tooling Experience with CI/CD pipelines and automated build and deployment processes. Strong experience with version control systems (Git). Experience developing in cloud environments (Azure, AWS, or GCP). Understanding of distributed systems, service communication patterns, and fault tolerance. ...

performance digital products used at scale. This is a hands-on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are robust, secure, and future-ready. What you’ll be doing Lead backend architecture – Define and evolve scalable, secure, high-performance backend systems …/CD – Enhance pipelines, build processes, and operational workflows Drive continuous improvement – Reduce technical debt and introduce modern backend approaches Support compliance – Ensure systems align with standards such as ISO27001 and PCI What we’re looking for Strong backend engineering experience with Java (11+) & Spring Boot Event-driven architecture ...

data platforms and technologies including Data Lakes, Lakehouse, ETL/ELT, Kafka, and Spark. Expertise in microservices, APIs, event-driven architectures, integration patterns, and distributed systems design. Good understanding of data governance, cloud security, compliance frameworks, and enterprise risk management. Experience with DevOps, CI/CD pipelines, Infrastructure ...

doing Building and enhancing cloud-native applications using Java and/or Python Developing modern React front-end solutions Designing scalable systems on AWS Delivering AI-powered features using LLMs, semantic search, and RAG architectures Driving engineering best practices across CI/CD, DevOps, testing, and system reliability Collaborating … with Java and/or Python Proven expertise with AWS cloud technologies Full stack engineering capability, ideally including React Experience building secure, production-grade distributed systems Strong understanding of modern SDLC, CI/CD, and cloud-native development Exposure to AI/ML solutions, particularly LLMs, OpenAI/ ...

like 60East AMPS , Kafka, or RabbitMQ. Reactive & Agile: Experience with Functional Reactive Programming (RxJava/Flow API) within an Agile/Scrum setup. Data & Systems: Proficiency in Spring, SQL (Sybase/PostgreSQL), and distributed systems (Zookeeper). Performance: Skilled in low-latency communication and debugging complex distributed ...

join the team. This is a high-impact role focused on scalable telemetry pipelines, monitoring, alerting, reliability engineering, and embedding observability across complex distributed systems and Kubernetes environments. Key experience needed: * Observability/SRE/Platform Engineering background * OpenTelemetry , Prometheus, Grafana, Splunk, Elastic, Loki, or Jaeger * Kubernetes, microservices ...

serving, observability or performance optimisation Data/AI workflow orchestration in Databricks or similar ecosystems Cloud infrastructure engineering (AWS-focused environments) Kubernetes, containerisation, and distributed systems Terraform/Infrastructure-as-Code CI/CD, automation, and platform reliability Running production workloads with high availability requirements Role and Responsibilities … Platform Engineer (MLOps/DevOps) Design and optimise scalable RAG pipelines and vector search systems Orchestrate multi-model AI services with a focus on latency, resilience and performance Productionise GenAI workflows and ensure they operate reliably under real usage Build and run AI services across AWS and Databricks Develop ...

Snowflake (data platform integration, CDC concepts) PostgreSQL (RDS) AWS Stack S3, RDS, SQS, EventBridge Containerized workloads (EKS/ECS) Engineering Practices Strong understanding of: distributed systems performance optimization observability (e.g. Langfuse, logging/metrics) Nice-to-Have Experience with: Salesforce Service Cloud integrations NLP/GenAI applications … service Exposure to: Amplitude or product analytics tools Knowledge of regulated environments (banking/capital markets) Soft Skills Ability to work in cross-functional distributed teams Strong ownership mindset (design production) Clear communication with business and technical stakeholders Disclaimer: This vacancy is being advertised by either Advanced Resource Managers ...

operations for a large, production-critical estate Driving platform stability and performance improvements Collaborating with engineering, cloud, and delivery teams Troubleshooting issues across distributed systems and environments Supporting and improving operational processes and monitoring What Were Looking For Strong experience in DevOps/Platform Engineering/Production Support ...

mentoring leads, and unblocking delivery. Essential Skills & Experience Proven Principal-level experience (80% Architecture/design - 20% Coding) Strong in AWS, TypeScript, event-driven systems Experience with high-scale distributed systems Someone collaborative, hands-on, and pragmatic Desirable Salesforce Experience as this is their main CRM system ...

knowledge considered an advantage Proven expertise in designing and operating microservices-based architectures , ideally within fintech or payments environments Solid understanding of concurrent and distributed systems , including handling high-throughput transaction processing Experience working with event-driven architectures and messaging platforms such as Kafka or RabbitMQ Hands ...

track record of leading Engineering Managers and building high-performing teams Hands-on technical background across Java, Javascript and cloud (Azure/GCP), including distributed systems Experience in fast-paced, modern engineering environments Expertise in scalable architecture, reliability and performance Ability to navigate and simplify complex technical challenges ...

take ownership of a critical ML platform used day to day by data, machine learning, and robotics engineers. You will work on real production systems that sit at the heart of data capture, dataset creation, and model training, with a clear focus on building reliable, well engineered tooling that … Containerise and orchestrate services to ensure consistent deployment across machines and lab environments. Your Skills & Experience * Strong experience owning and evolving production grade software systems end to end. * Advanced Python skills, including async programming, concurrency, and working with IO heavy workloads. * Experience building and maintaining web backends with FastAPI ...

Design, develop and maintain scalable data pipelines and ETL processes Develop robust solutions using Python, PySpark and SQL Work with large-scale datasets in distributed data environments Contribute to data modelling and data warehousing initiatives Support CI/CD and automation practices across the data engineering lifecycle Collaborate with … warehousing and data modelling concepts Experience working within large-scale enterprise environments Desirable Skills CI/CD experience Jenkins Ansible SAS Experience working with distributed systems and cloud-based data platforms Financial services or banking sector experience The successful candidate will be a hands-on Data Engineer ...

Selenium Write and maintain test code in TypeScript and/or Java to a high standard Plan and execute integration testing across complex, distributed system components Embed automated testing within CI/CD pipelines, ensuring quality gates are in place throughout the deployment process Develop and execute test strategies … Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems Comfortable working in an Agile delivery environment alongside cross-functional teams Strong attention to detail with clear written and verbal communication skills ...

Selenium Write and maintain test code in TypeScript and/or Java to a high standard Plan and execute integration testing across complex, distributed system components Embed automated testing within CI/CD pipelines, ensuring quality gates are in place throughout the deployment process Develop and execute test strategies … Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems Comfortable working in an Agile delivery environment alongside cross-functional teams Strong attention to detail with clear written and verbal communication skills ...

Python development skills (Java exposure beneficial but not core) Experience with electronic trading strategies and market microstructure Knowledge of European equities markets Exposure to distributed systems and large-scale data analysis desirable Excellent communication skills; able to work with global teams and clients High-frequency trading experience advantageous ...

platform Proven experience in enterprise-scale switch architecture and transformation programs Strong command over ISO 8583, transaction lifecycle, and routing logic Expertise in: Distributed systems and microservices architecture API-first and event-driven designs Hybrid/cloud infrastructure models Strong understanding of HSMs, cryptography, and secure transaction processing ...