1 to 25 of 51 Distributed Systems Jobs in the South East

Python Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550/ day Outside IR35
Senior Python Backend Engineer - Real-Time Distributed Systems £550/day Outside IR35 Watford/Hybrid (Initial onsite, then mainly remote) 4-month contract Were working with a highly engineering-led technology business building large-scale real-time backend systems within a distributed Azure environment. This … high-level solution designers. We are specifically looking for deeply hands-on Python backend engineers who are comfortable operating at implementation level within complex distributed systems. The environment is heavily focused on: Real-time event-driven processing High-throughput backend services Distributed microservice architectures Low-latency data ingestion ...

Director, Principal Java Engineer (Investment Banking)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £170,000 per annum
scaling internal technology capabilities through high-quality engineering and platform design. The environment is highly technical, hands-on, and focused on building reliable distributed systems within a regulated environment. Key Responsibilities Design and build scalable, distributed systems handling high volumes of financial and transactional data Contribute … directly to architecture, system design, and hands-on software development Drive engineering best practices across automation, testing, observability, and performance Build resilient, production-grade systems with a strong focus on reliability and scalability Work across the full software development lifecycle from design through to production support Partner closely with ...

Principal Engineer (SVP) - Investment Banking - JAVA

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £150,000 per annum
environment is highly regulated and production-critical, requiring strong engineering standards and end-to-end ownership. Key responsibilities include: Designing and building scalable, distributed systems using modern architectural patterns Owning the full software development lifecycle from requirements through to production and support Developing and maintaining microservices and APIs … Ensuring systems are reliable, observable, and secure Driving engineering best practices across testing, automation, and performance Working closely with product and engineering stakeholders to deliver robust solutions Technology Environment Java and Spring Boot (low-latency) Distributed systems and microservices architecture AI Skills mandatory Angular or TypeScript (full ...

Senior Quantitative Developer / Research & Data Eng. - LONDON - UNITED KINGDOM

Hiring Organisation
Park Lane Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£250,000 - £600,000 per annum
UNITED KINGDOM Senior Quantitative Developer/Research & Data Engineer - LONDON - UNITED KINGDOM Primary Skills - Python, C++, quantitative, research, market data, simulation frameworks Secondary Skills - distributed systems, cloud computing, execution systems, performance optimization, data pipelines, Linux No. Positions - 3 Remote Status - No Remote Client Willing to Sponsor … alongside world-class quantitative researchers, traders, and technologists while building the core platforms that power systematic investment strategies. Engineers in this group own critical systems end-to-end and play a direct role in enabling research, simulation, data processing, and production trading.The environment is highly collaborative, technically demanding ...

Golang Developer

Hiring Organisation
Hirexa Solutions UK
Location
West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £300 per day
ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable backend applications and microservices. This role requires hands-on experience with distributed systems, REST APIs, cloud technologies, and modern software engineering practices. Key Responsibilities Design, develop, and maintain backend services and microservices using Golang. Build … Cassandra. Knowledge of Docker and containerized applications. Experience with Git version control. Strong understanding of Linux/Unix environments. Experience developing scalable and distributed applications. Cloud & DevOps Experience with AWS, Azure, or Google Cloud Platform. Familiarity with Kubernetes and container orchestration. Experience with CI/CD tools such ...

Senior Data Engineer - Scala/Spark

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
Engineer to join a high-performing engineering team responsible for building and operating large-scale data platforms that support advanced machine learning and recommendation systems used by millions of users globally. This is an opportunity to work on highly complex distributed systems, developing production-grade data pipelines … performance, reliability and operational health of production data pipelines. Develop tooling and infrastructure that supports machine learning workflow execution and deployment. Optimise data processing systems for throughput, scalability and efficiency. Collaborate closely with Data Engineers, ML Engineers and Research teams to deliver high-quality datasets and platform capabilities. Identify ...

Principal Full Stack Engineer & Architecture Lead

Hiring Organisation
BCT Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
engineering excellence while remaining hands-on with development.This role would suit someone who enjoys solving complex technical challenges, mentoring engineers, and building modern distributed systems within a fast-moving product-led environment.Key ResponsibilitiesArchitecture & Technical Leadership * Lead platform architecture and technical design decisions * Define scalable, secure, and maintainable engineering … directly to backend and frontend production code * Build scalable applications using Node.js, TypeScript, React, and Next.js * Design and develop AWS serverless and event-driven systems * Develop and optimise PostgreSQL databases and queries * Support engineering teams with the delivery of complex technical initiativesCloud, DevOps & Infrastructure * Design and maintain CI/ ...

Software Architect - C#

Hiring Organisation
Jobleads-UK
Location
Basingstoke, England, United Kingdom
ensure robust, scalable solutions. You will define architectural standards, shape technical strategy, and work closely with development teams to deliver high-performance, resilient distributed systems. This role requires significant experience in designing enterprise-scale cloud-native applications and the ability to influence technical direction across multiple teams. Key responsibilities … cloud-based microservices solutions within the MyCity platform Creating architectural designs guiding development from concept to deployment Ensuring performance, scalability, and reliability of distributed systems Developing and maintaining architectural roadmaps and technical blueprints Providing technical leadership and guidance to development teams Translating business requirements into scalable architectural solutions ...

Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £150,000 per annum
heart of the AI infrastructure ecosystem. You'll take ownership of core platform engineering, working closely with the founding team to build scalable systems that underpin a fast-growing, mission-critical product. The role offers significant autonomy, technical influence and long-term upside. THE COMPANY Our client … infrastructure that powers modern AI systems. They work with sophisticated clients to provide deep insight into markets such as compute, cloud platforms and distributed systems. Having recently raised significant funding and preparing for further growth, the business is now investing heavily in its engineering capability. This role has been ...

Junior Software Engineer - Imaging Systems

Hiring Organisation
Marcus Webb Associates Limited
Location
TN38, Hollington, East Sussex, United Kingdom
Employment Type
Permanent
Salary
£32000 - £40000/annum + benefits
Junior Software Engineer Location: East Sussex (On-site) Salary: £32,000 - 40,000 + benefits C++, Imaging Systems, High-Speed Data Processing Note: This position could suit a graduate or junior software engineer that can display evidence of relevant internships, employment or own projects beyond their academic studies. Introduction … This role involves developing software for advanced imaging technology. An innovative engineering company specialising in advanced scientific and industrial systems is seeking a Software Engineer to join its growing R&D team. The company develops low volume, sophisticated imaging products that are used across scientific, industrial and high-technology ...

Senior Python Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
teams Driving best practices in software engineering, code quality, and performance Participating in architecture reviews and technical decision-making Identifying and implementing improvements to systems, processes, and tooling Supporting cloud-native deployments and infrastructure automation What We're Looking For Essential Professional Python development experience Strong understanding of software … design patterns and engineering principles Experience with frameworks such as FastAPI, Django, or Flask Solid knowledge of RESTful APIs and distributed systems Experience working with relational and NoSQL databases Strong testing experience (PyTest, unit, integration, and automated testing) Experience with Git and modern CI/CD pipelines Excellent ...

Infrastructure / DevOps Engineer (Senior)

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£500 - £800 per day
days onsite per month is required Inside of IR35 - will need to use an Umbrella Job Description: Emerging technologies such as cloud-native platforms, distributed systems, and automated delivery pipelines are transforming how modern financial infrastructures are built and operated. The Innovation Tribe is driving this transformation … Compliance by Design Implement security controls (identity, access, secrets management, network security) in line with CISO and GTS requirements . Monitoring, Observability & Reliability Ensure systems are observable and resilient by implementing logging, monitoring, alerting, and performance optimization. Release & Deployment Support Support release processes, ensuring infrastructure readiness and smooth deployment ...

AI Engineer

Hiring Organisation
VIA MATCH LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £110,000 per annum
cutting-edge AI implementation. You won't be training models. You'll be architecting and building the orchestration layer that makes complex LLM systems reliable, scalable, and genuinely useful in production environments. You'll work on some of the most technically demanding AI challenges in industry: multi-agent systems, RAG pipelines, agentic workflows, and robust evaluation frameworks, all at enterprise scale. What You'll Be Doing Designing and building production-grade AI systems that integrate LLMs, RAG pipelines, vector databases, and agentic frameworks Creating evaluation and observability frameworks to measure, monitor, and continuously improve system performance, accuracy ...

Senior AI Engineer (LLMs, Python & Java)

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role Youll sit at the intersection of AI, backend engineering … cloud systems , designing and deploying intelligent features that directly impact users. Expect to: Design and implement LLM-based applications (RAG pipelines, agents, copilots) Build scalable backend services using Python and Java Integrate AI into existing cloud-native SaaS platforms Own the full lifecycle: experimentation prototyping production Optimise model performance ...

Senior DevOps Engineer - Remote UK

Hiring Organisation
FBI &TMT
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Permanent
codebases, and developer workflows to improve how software is built, deployed, and operated. You'll take ownership across the stack - collaborating with engineers, improving systems end-to-end, and helping the team deliver reliably as the platform continues to grow. Core Technology Stack TypeScript/Node.js frameworks (e.g. NestJS … based backend frameworks Database tuning and optimisation (PostgreSQL or similar) Experience with container-based architectures Building internal tooling or improving developer platforms Exposure to distributed systems or event-driven architectures Experience in regulated or financial environments What We're Looking For Engineers who enjoy working in scaling environments ...

AI Engineer

Hiring Organisation
Halian Technology Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role Youll sit at the intersection of AI, backend engineering … cloud systems , designing and deploying intelligent features that directly impact users. Expect to: Design and implement LLM-based applications (RAG pipelines, agents, copilots) Build scalable backend services using Python and Java Integrate AI into existing cloud-native SaaS platforms Own the full lifecycle: experimentation prototyping production Optimise model performance ...

Founding Engineer / Technical Lead

Hiring Organisation
Coburg Banks Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £120,000 per annum
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 ...

Senior Gen AI Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
powered applications. The role would suit a strong software engineer with hands-on experience building cloud-native applications, embedding AI capabilities into production systems, and taking ownership across the full delivery lifecycle. Key responsibilities: * Design, build and maintain AI-enabled applications using enterprise GenAI services* Develop production-grade microservices … applications* Ensure applications meet non-functional requirements around security, scalability, resiliency, performance and cost Essential skills: * Strong software engineering background with experience delivering complex distributed systems* Proven experience building and deploying production-grade applications that embed AI capabilities* Strong Python experience* Experience with LangGraph, Strands and DeepEval* Strong ...

Senior Developer

Hiring Organisation
Addition
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
rather than chasing hype. As their platform continues to scale, they're looking for a Senior Developer who enjoys solving complex technical problems, improving systems, and building software that stands up in production. The Good Bits: £70,000 - £90,000 Hybrid working Exposure to large-scale SaaS platforms Clear … progression opportunities A collaborative engineering culture that values learning and continuous improvement The chance to work on systems used by thousands of people every day A Typical Day in the Role: Building and improving APIs that support critical platform functionality Investigating production issues and tracing problems across distributed ...

Platform Engineer

Hiring Organisation
Digital Waffle
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
cloud infrastructure, DevOps, and data platform engineering. The Role You'll work across Azure cloud infrastructure and data platforms, helping to build scalable, secure systems and improve how data flows across the organisation. You'll also play a key role in improving deployment processes, system reliability, and overall platform … Experience with Kafka or similar streaming platforms Experience with Databricks or modern data platforms (e.g. Snowflake, Synapse, BigQuery) Strong understanding of data pipelines and distributed systems Focus on automation, scalability, and reliability Nice to Have Lakehouse or large-scale data platform experience Observability tooling (Datadog, Grafana, Prometheus) SaaS ...

Technical Lead

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ingestion, transformation, serving layers, and user-facing applications/UI. Translate business requirements into scalable, secure, production-ready technical solutions. Architect and implement modern distributed systems and data platforms aligned to strategic architecture principles. Drive engineering best practices across CI/CD, DevOps, automated testing (TDD/… Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js), backend development (Java or Python), and building secure, scalable APIs and distributed applications. Expertise in data engineering & platforms including SQL, data warehousing, ETL/ELT pipelines, data modelling, and integration of data science and analytics. Experience ...

Technical Lead

Hiring Organisation
Reed
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£525 per day, Inc benefits
ingestion, transformation, serving layers, and user-facing applications/UI. Translate business requirements into scalable, secure, production-ready technical solutions. Architect and implement modern distributed systems and data platforms aligned to strategic architecture principles. Optimize solutions for cloud-native environments, focusing on more than just "lift-and-shift … Qualifications: Strong hands-on experience in front-end & application development (React.js/Next.js, backend development using Java or Python, building secure, scalable APIs and distributed applications). Proficiency in data engineering & platforms (SQL, data warehousing, ETL/ELT pipelines, data modeling, data wrangling). Experience delivering cloud-native solutions ...

Senior ML Platform Engineer - Robotics

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
archival processes* Containerise and orchestrate services to ensure reliable deployment across machines and lab environments* Partner with ML engineers on dataset building, ingestion pipelines, distributed training infrastructure, and high-throughput data workflows* Work with robotics engineers on ROS2 integration, robot data streams, deployment workflows, and hardware-adjacent platform tooling … Improve testing, CI, observability, reliability, and performance across concurrent and IO-heavy systems Essential Skills You must have: * Senior-level software engineering experience, ideally 5+ years* Strong production Python experience* Experience with typing, async/await, threading, multiprocessing, and concurrent workloads* FastAPI or another async Python web framework* Vanilla ...

Senior Software Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£95,000 - £115,000 per annum
C# and Microsoft Azure Ability to work across multiple technologies and frameworks, including React, JavaScript and TypeScript Experience building secure, scalable, event-driven and distributed systems Knowledge of CI/CD, DevOps practices, and Infrastructure as Code Excellent stakeholder and communication skills, with experience in consulting or client ...

Senior DevOps Engineer

Hiring Organisation
Morgan McKinley
Location
Oxford, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
stakeholders across the business to deliver a reliable, high-quality customer experience from end-to-end, from our corporate website to our critical business systems integration. The role is primarily focused on extending, automating, and improving our cloud infrastructure, but offers the opportunity to collaborate closely on application development … incidents and mature our observability, logging, and metrics-gathering tools to improve system reliability. DevSecOps: Ensure security by design, governance, and compliance across our systems, proactively monitoring vulnerabilities and embedding automated security testing directly into development workflows. CI/CD & Release Engineering: Drive continuous improvement and continuous delivery, ensuring ...