21 of 21 Permanent Distributed Systems Jobs in Hertfordshire

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. … interests. Offensive Security Engineer Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research ...

Principal Software Engineer C#, Azure, Watford, Hybrid

Hiring Organisation
Method Resourcing
Location
Watford, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
after a very successful period, they have acquired several competitors. After a period of consolidation, they are now looking to unify all their systems into a single source of truth. They are also looking to scale massively over the next 5-years as they enter new markets … before scaling up to 100+ millions events per day. You'll work at the top of the engineering track, designing and delivering high-performance, distributed systems while guiding others through implementation and problem-solving. This is a deep technical role, ideal for someone who thrives on code, architecture ...

Engineering Manager

Hiring Organisation
Orbis Group
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
scale the engineering organization responsible for delivering the company's core risk platform. You'll define technical direction across architecture, data infrastructure, analytics systems, and compute pipelines, while integrating emerging intelligence-driven capabilities such as automated risk scoring, alerting, reporting, and anomaly detection. You'll work cross-functionally with … technical leader in customer evaluations, deployments, and audits. Technical Skills & Required Expertise The role requires deep hands-on architectural and technical leadership across distributed systems, data platforms, and analytics tooling. Languages & Backend Python, Go (Golang), TypeScript Strong understanding of distributed systems, microservices, API-driven architectures Data ...

Platform Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
office. You'll join the Platform Engineering team which designs, builds, and operates the firm's global production trading infrastructure—from hardware and Linux systems to Kubernetes, observability, and build platforms. They work with a mix of open-source and in-house technologies to solve scaling, reliability, and performance … problems in a highly collaborative environment. We're expanding the team with a Platform Engineer who enjoys building highly scalable systems, adopting new technologies, and debugging complex production issues. Systems and platforms owned: In-house observability platform (ClickHouse, Redpanda, Rust) Firm-wide build and distribution systems Linux ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
chance to join one of the world's leading crypto trading platforms and a team known for its cutting-edge low-latency systems and lightning-fast execution speeds. They're looking for engineers who thrive in high-performance, high-ownership environments. You'll work alongside some of the brightest … minds in trading tech, designing and building distributed C++ systems that handle massive throughput with ultra-low latency. If you've honed your craft in a fast-paced, high-frequency environment, this could be your next big move. What they're looking for: Expert-level C++ experience (ideally ...

Solace Administrator

Hiring Organisation
BGC Group
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support, preferably in a 24x7 enterprise environment. Experience working with distributed systems over WAN, with an understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. … Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacity management, performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. Excellent communication and collaboration skills. Nice to Have: Experience ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. This role requires deep … expertise in Linux networking data path and kernel-level networking (such as XDP, eBPF, DPDK, iptables, nftables), in addition to strong systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
design and deliver cloud-scale DDoS protection as part of our edge security platform. You'll design and ship high-performance detection and mitigation systems, automate operations end-to-end, and help define the technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building production backend systems … . Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/services. Strong systems design skills: concurrency, memory management, performance tuning, API design, and distributed systems fundamentals. Experience with DevOps at scale: CI/CD, automated ...

Senior Software Engineer

Hiring Organisation
Beamost Ltd
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
high-frequency data Improve latency, throughput, and reliability using profiling and performance engineering Work with Redis, Azure VMs, and Anaconda environments Implement and maintain systems requiring millisecond-level timing precision Troubleshoot production issues quickly during key market hours Collaborate directly with the founder to shape technical direction and priorities …/order-routing components Essential Skills Expert-level Python developer (min. 5+ years professional python experience) Demonstrable experience with low-latency/high-throughput systems (e.g., real-time data processing, trading/market data, telemetry, streaming systems, etc.) Strong understanding of asynchronous programming, multiprocessing, and performance optimisation Experience ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
technical leader who enjoys solving complex problems and influencing direction. You're trusted for your judgement, calm under pressure, and passionate about building systems that last. You'll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React … Proven leadership in DevOps, CI/CD pipelines and cloud-native environments Advanced SQL Server and data modelling expertise Strong understanding of microservices and distributed systems Experience with CMS platforms (e.g. Umbraco) and third-party integrations A collaborative mindset and the ability to influence without line management ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Aveni is redefining how financial institutions use AI. We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows. We have been recognised as Fintech of the Year for two consecutive years and awarded … advisers, analysts and banking teams. Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ...

Full Stack Engineer

Hiring Organisation
Propel
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
best practices around CI/CD and automated testing Requirements: • 3+ years back-end engineering experience • Strong Python skills • Experience with FastAPI • Microservices/distributed systems experience • Database experience (PostgreSQL, MySQL, MongoDB, etc.) • React experience (commercial or strong hands-on) • Knowledge of Docker/Kubernetes • Exposure ...

Client Platform Engineering Lead | Digital Asset Trading Innovator

Hiring Organisation
Techfellow Limited
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
platforms that underpin client onboarding, reporting, data exchange, and compliance workflows. You'll guide the engineering strategy for a suite of internal and external systems - including CRM tooling, realtime reporting pipelines, API integrations, client portals, and surveillance utilities - while coaching a small but high-impact engineering team. This … shape how the firm delivers secure, reliable, and regulation-ready client technologies... Key Responsibilities Define and execute the engineering strategy for client-facing systems spanning CRM workflows, reporting platforms, and external integration points Lead, mentor, and develop a team of software engineers, fostering strong delivery discipline, resilience, and technical ...

Senior Data Engineer

Hiring Organisation
Piper Maddox
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Strong Python and SQL skills. Hands-on Databricks experience (DLT, Delta Lake; Unity Catalog desirable). Solid understanding of data modelling, data warehousing, and distributed systems. Experience with cloud data platforms (Azure preferred; AWS or GCP acceptable). Familiarity with Git-based workflows and CI/CD pipelines. Exposure ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L Role Overview: Turing is seeking a hands-on Machine Learning … combine technical depth in deep learning and MLOps with leadership in execution and strategy, ensuring that Turing's AI initiatives deliver reliable, high-performance systems that translate research breakthroughs into measurable business impact. This position is ideal for leaders who are still comfortable coding, optimizing large-scale training pipelines ...

Senior Machine Learning Engineer

Hiring Organisation
Beamost Ltd
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
execution quality with measurable financial impact. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and building production-grade ML systems where reliability, latency, and real-world feedback loops matter. What You'll Do Lead the design and production integration of ML components into a live … high code quality UK-based and available for support during core market hours when needed Desirable Skills Experience with real-time/low-latency systems (streaming data, telemetry, market data, etc.) Familiarity with production ML monitoring/observability practices and tooling Experience with cloud deployment environments (VMs/containers ...

Senior Full Stack Engineer

Hiring Organisation
DFUSION
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
most sophisticated technology in the luxury yachting sector. We're looking for two Senior Full Stack Engineers with deep, hands-on experience building scalable systems and high-quality software. If you enjoy owning architecture, improving performance, and delivering across an entire stack, this role is for you. What … Design, build and deliver full-stack features Architect and maintain APIs, microservices and data-driven backend systems Lead system design discussions and influence long-term technical direction Ensure code quality through clean architecture, testing and documentation Optimise performance across frontend and backend layers Collaborate with Product, Design and Data ...

Director of Engineering

Hiring Organisation
CyberForce Global
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
requirements into technical solutions. Ideal Experience 10+ years in software engineering, including senior or director-level leadership experience. Strong experience with cloud platforms, microservices, distributed systems, and data engineering. Solid security and compliance knowledge; experience with SOC2, ISO27001, CE+, or similar standards is a plus. Experience building early ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event driven systems that directly power our core products. … confident in our deployments. What we are looking for: Back-end development: 5+ years of industry experience building reliable and scalable back-end systems with an object-oriented language. Cloud-native technologies: Experience in architecting and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation ...

Salesforce Development Team Lead

Hiring Organisation
CitNOW Group
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
team needs Articulate technical debt to Product, highlighting critical timescales (e.g., deprecation dates, supplier switch-offs, etc) Contribute regularly to conversations around process and systems, to help ensure maximum efficiency across the company Supporting the compliance teams with the scoping of penetration tests and the analysis of the findings … beneficial Familiarity with off-platform development in languages such as Java or Go is advantageous High level of understanding of architectural patterns and distributed system design principles Strong experience working with APIs (both REST and SOAP) High level of understanding of technical security and secure development methodologies within ...

Hardware Design Engineer

Hiring Organisation
Timebeat
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
delivering enterprise-grade timing solutions for financial services, telecommunications, aerospace, defence, and critical infrastructure. Our products enable nanosecond-level accuracy, reliability, and visibility across distributed systems. We are expanding our hardware engineering team to continue advancing our timing platforms and next-generation synchronisation devices. Role Overview We are seeking … multi-layer PCBs in Altium Designer, including schematic capture, layout, library management, and DFM/DFA considerations. Develop hardware for clock synchronisation and timing systems, including oscillators, GNSS receivers, network timing modules (PTP/NTP), and related embedded electronics. Create, simulate, and validate high-speed digital, analogue, mixed-signal ...