20 of 20 Remote/Hybrid Distributed Systems Jobs in the City of London

Backend Software Engineer Junior-Mid Level - Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Programmatic, you will contribute to the development and evolution of MOBKOI’s programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign delivery, and large-scale integrations with SSPs and DSPs.This role is well suited to engineers early … their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES • Contribute to the development and improvement ...

Backend Software Engineer (JuniorMid Level) Programmatic

Hiring Organisation
Mobkoi
Location
City of London, London, United Kingdom
Employment Type
Permanent
Level) Programmatic, you will contribute to the development and evolution of MOBKOIs programmatic advertising platform. You will work closely with experienced engineers on backend systems that power real-time bidding (RTB), campaign delivery, and large-scale integrations with SSPs and DSPs. This role is well suited to engineers early … their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews, and progressive ownership of backend components. RESPONSIBILITIES Contribute to the development and improvement ...

Low Latency Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
looking for a high-calibre Solution Engineer with a passion for performance and capital markets technology to deliver complex, front-office trading systems for leading global investment banks, asset managers, fintechs and exchanges. This role sits at the intersection of engineering excellence, client engagement, and strategic delivery — working hands … latency trading solutions in capital markets environments Contributing directly to the codebase on the most technically challenging aspects of client deliveries Architecting performant, resilient distributed systems informed by deep domain knowledge Building solutions across OMS, EMS, Smart Order Routing, Matching Engines, FIX gateways and Risk platforms Working with ...

Senior Java Engineer – Reactive

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real-time payments infrastructure, helping … scale. What You’ll Be Doing You’ll play a senior individual-contributor role within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events ...

Software Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
engineering team. The role sits within the development function and works closely with the CTO, researchers, and trading teams to build and maintain the systems that support live trading strategies. The position focuses on developing production services, improving platform reliability, and helping move quantitative research into robust, scalable trading … successful candidate will take ownership of a number of backend services that support the trading platform. This includes developing new functionality, maintaining existing systems, and improving operational tooling across the production environment. You will work closely with quantitative researchers and traders to translate research ideas into production-ready systems ...

Senior Full Stack Engineer (Team Lead)

Hiring Organisation
Futuria
Location
City of London, London, United Kingdom
where you'll split your time between writing production code and mentoring engineers. You'll lead a cross-functional engineering team working across our distributed platform stack. You're accountable for your team's execution, code quality, testing practices, and continuous improvement. This is NOT a product management role … leading or mentoring engineers Strong expertise in Python backend development with async patterns Production experience with modern frontend frameworks (React, TypeScript) Solid understanding of distributed systems architecture and API design Experience with container orchestration, CI/CD, and cloud platforms Experience with NoSQL databases and data modelling Daily ...

Engineering Manager

Hiring Organisation
Wave Group
Location
City of London, London, United Kingdom
Hybrid) The Opportunity 💻 Join a high-performance technology company building complex, real-time platforms used globally at significant scale. The business operates mission-critical systems where performance, reliability and speed matter. It has a mature product with strong usage while continuing to evolve its architecture and engineering practices. … stepping into a deeply technical environment where engineers work across modern distributed systems, event-driven architecture and high-throughput services. This is a hands-on leadership role for someone who wants to shape both people and platform. About the Role 💼 You’ll lead a team of engineers responsible ...

Business Development Representative

Hiring Organisation
Factory 8 Consultancy Ltd
Location
City of London, London, United Kingdom
Business Development Representative Location: London Bridge, London (Hybrid/Flexible) Who We Are: My client is on a mission to make modern distributed systems reliable, scalable, and easier to release. Our platform is trusted by engineering teams who’ve felt the pain of production outages, brutal on-call … Account Executives to prep meetings, demos, and POCsCollaborate with Marketing and RevOps to improve campaigns and event outreachStay up-to-date on trends in distributed systems, testing, and reliabilityYou Should Have: 1+ years cold calling experience1+ years Salesforce experience1+ years experience with Microsoft OfficeBachelor’s degree or equivalentStrong ...

Senior Software Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
eager to learn new technologies and challenge established processes Our ideal candidate has: 3-5 years of Scala experience Experience delivering and maintaining distributed data processing systems using Big Data tools, lakehouse platforms, and workflow orchestration (experience with Spark, Databricks, or Airflow is a plus) Experience building with … cloud platforms such as AWS, Azure, or GCP Experience working with AI tools or platforms (LLMs, predictive models, ML infrastructure) Strong understanding of distributed systems patterns and trade‐offs Knowledge of non‐functional requirements—scalability, reliability, performance, observability Bonus points for: Interest in functional programming Experience with streaming ...

Software Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
experiment, fail fast, and learn quickly Are eager to learn new technologies and challenge established processes Our ideal candidate has: Experience delivering and maintaining distributed data processing systems using Big Data tools, lakehouse platforms, and workflow orchestration (experience with Spark, Databricks, or Airflow is a plus) Experience building … with cloud platforms such as AWS, Azure, or GCP Experience working with AI tools or platforms (LLMs, predictive models, ML infrastructure) Strong understanding of distributed systems patterns and trade‐offs Knowledge of non‐functional requirements—scalability, reliability, performance, observability Background in Scala Bonus points for: Interest in functional ...

Security Platform Engineer - DevSecOps | Quant Finance Research Firm

Hiring Organisation
Techfellow Limited
Location
City of London, London, United Kingdom
/CD pipelines and developer workflows Develop internal automation and services using modern programming languages Improve resilience, scalability and observability of security-critical systems Troubleshoot complex issues across distributed Linux environments Identify architectural weaknesses and implement durable, engineering-led improvements What You’ll Bring... 6-10 years’ experience … familiarity with DevOps tooling including CI/CD pipelines (Jenkins, GitLab), Infrastructure-as-Code (Terraform, Ansible) and observability stacks (Prometheus, ELK, Grafana) Strong Linux systems knowledge Practical exposure to containerisation and orchestration (Docker, Kubernetes) Experience designing or operating one or more of: Public Key Infrastructure (PKI), Secrets management platforms ...

Advisory Engineer

Hiring Organisation
WorkGenius Group
Location
City of London, London, United Kingdom
office and 2 days remote) Position: Full-time (Permanent Role) We are building a next-generation AI innovation hub focused on developing advanced agent systems that operate seamlessly across mobile, edge, and cloud environments. Our mission is to design scalable, production-ready AI platforms that bring cutting-edge foundation … agentic orchestration into real-world applications at global scale. You will join a high-caliber team of engineers and researchers shaping large-scale AI systems that serve millions of users across diverse device ecosystems. This is a rare opportunity to define foundational agent infrastructure in a rapidly evolving ...

Azure Cosmos DB Admin and Developer-with Python, pyspark, CosmosDB, Azure

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
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 Desirable skills/knowledge/experience Advanced proficiency ...

Senior Automation Engineer

Hiring Organisation
SoTalent
Location
City of London, London, United Kingdom
testing platforms. Requirements Technical Skills Advanced Python development experience , particularly in designing and maintaining scalable automation frameworks. Strong expertise in CI/CD systems (Jenkins, pipelines, configuration as code) within complex delivery environments. Solid experience working in Linux environments and distributed systems , including troubleshooting and environment management. ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
high-impact, front-office engineering environment. You’ll work directly with traders, quants, and strategy developers to build and enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front … office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems and data pipelines handling large volumes of market data Contribute across the full software development lifecycle, from design to production support Continuously improve system stability, performance, and usability ...

Senior Data Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Looking For A proven track record of delivering end-to-end data engineering projects on GCP. Senior-level experience in managing complex datasets and distributed systems. A "delivery-first" mindset with the ability to work independently in a fast-paced, high-growth environment. Excellent communication skills to translate technical ...

Senior Data Engineer

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
with AWS or GCP. Willingness to work across both cloud platforms. Excellent Python engineering skills focused on backend development. Experience with data pipelines and distributed systems. Knowledge of multi-tenant architectures is advantageous. Location and Working Pattern Based in London with a hybrid working model. Expected to attend ...

Senior Full Stack Engineer

Hiring Organisation
Evantis Technology
Location
City of London, London, United Kingdom
product creation through to customer purchasing experiences and operational tooling. Their engineering team works closely with product, growth and commercial teams to build scalable systems that support both the customer-facing platform and internal tools. This role will play an important part in improving and evolving the platform … frontend bias, particularly with modern JavaScript/TypeScript frameworks Comfortable contributing across both frontend and backend services, with experience working with APIs and distributed systems Experience working with backend technologies such as Go/gRPC or similar backend stacks (desirable but not essential) Experience building and deploying applications ...

Senior Enterprise Sales

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
financial institutions to monitor, analyse and optimise mission-critical trading and infrastructure environments. The software sits deep within low-latency, high-throughput financial systems where uptime, performance and operational intelligence are business-critical. Following sustained global growth, new product launches and strategic acquisitions, the firm is expanding … selling enterprise infrastructure or platform software into Financial Services Experience navigating technical buying committees and engineering-led evaluations Confidence discussing topics such as observability, distributed systems, performance monitoring, operational resilience and modern infrastructure architecture A track record of closing six and seven figure enterprise software deals Strong commercial ...

Lead Backend Developer – Node.js, TypeScript, Kafka - up to £80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Extensive experience with Node.js and TypeScript in production environments Strong background in event-driven architecture , ideally with Kafka Proven experience designing and scaling distributed systems Previous experience in a technical leadership or lead role Confident communicator who can influence both technical and non-technical stakeholders Salary & Benefits Salary ...