1 to 25 of 38 Distributed Systems Jobs in Portsmouth

helping to drive the connected world and power new products and services. We’re changing the way that organisations connect any number of their systems and services.Whether internal, external, public or highly encrypted systems, Tyk helps businesses drive value across the retail, finance, telecoms, healthcare, or media industries … quality, efficient solutions, while championing continuous improvement across our software engineering lifecycle. As a Senior Go Developer you will be passionate about backend development, distributed systems, and driving engineering excellence. Here’s what you’ll be responsible for: Technical Leadership Lead solution design for medium and high-complexity … problems, adhering to established design principles. Design distributed systems with security-first principles, ensuring no security defects or production leakage. Contribute to the direction of API Gateway architecture and dashboard API functionality. Build and extend API Gateway capabilities, including complex traffic routing, security, rate limiting, mTLS, authentication, and More ❯

Product Development What You’ll Do Design, develop, and maintain performant services in Go, playing a key role in designing and building real-time, distributed systems that scale effortlessly and perform reliably under high load. Collaborate with Founders and the Frontend Engineering team to define, design, and ship … new features Ensure systems are scalable, resilient, and secure Work with cloud infrastructure, containerisation (Docker, Kubernetes), and CI/CD pipelines Take part in code reviews, architecture discussions, and performance tuning What We’re Looking For A Bachelor’s degree (or higher) in Computer Science or a closely related … field 4+ years experience building scalable, high-performance, real-time applications Strong programming skills in Go (Golang) Solid understanding of distributed systems , microservices architecture , and event-driven design Experience working with cloud platforms (e.g., AWS, GCP, Azure) Familiarity with monitoring, logging, and observability tools Bonus Points For Contributions More ❯

operating in the commercial aircraft, helicopters, defence, and space sectors. You'll play a key role in a cutting-edge satellite mission, developing scalable, distributed systems in a secure, microservice-based architecture. UML/SysML modelling, agile workflows, and CI/CD delivery are central to the programme … 8+), Spring Boot, Hibernate RESTful Web Services, Microservices UML/SysML (ideally Enterprise Architect) Agile/Scrum methodology, CI/CD practices GIT, Jira, distributed systems experience Aerospace, defence, or high-assurance systems background (highly preferred) Responsibilities: Develop high-quality, secure code in Java (8+) using Spring … Boot and REST APIs Participate in UML-based design and architecture Implement microservices for satellite management systems Contribute to automated testing, sprint planning, and continuous delivery if you are currently looking to take the next step into your career with an industry leading company then this is the role More ❯

operating in the commercial aircraft, helicopters, defence, and space sectors. You'll play a key role in a cutting-edge satellite mission, developing scalable, distributed systems in a secure, microservice-based architecture. UML/SysML modelling, agile workflows, and CI/CD delivery are central to the programme … 8+), Spring Boot, Hibernate RESTful Web Services, Microservices UML/SysML (ideally Enterprise Architect) Agile/Scrum methodology, CI/CD practices GIT, Jira, distributed systems experience Aerospace, defence, or high-assurance systems background (highly preferred) Responsibilities: Develop high-quality, secure code in Java (8+) using Spring … Boot and REST APIs Participate in UML-based design and architecture Implement microservices for satellite management systems Contribute to automated testing, sprint planning, and continuous delivery if you are currently looking to take the next step into your career with an industry leading company then this is the role More ❯

operating in the commercial aircraft, helicopters, defence, and space sectors. You'll play a key role in a cutting-edge satellite mission, developing scalable, distributed systems in a secure, microservice-based architecture. UML/SysML modelling, agile workflows, and CI/CD delivery are central to the programme … 8+), Spring Boot, Hibernate RESTful Web Services, Microservices UML/SysML (ideally Enterprise Architect) Agile/Scrum methodology, CI/CD practices GIT, Jira, distributed systems experience Aerospace, defence, or high-assurance systems background (highly preferred) Responsibilities: Develop high-quality, secure code in Java (8+) using Spring … Boot and REST APIs Participate in UML-based design and architecture Implement microservices for satellite management systems Contribute to automated testing, sprint planning, and continuous delivery if you are currently looking to take the next step into your career with an industry leading company then this is the role More ❯

the next generation of financial infrastructure technology. The position involves building core services, enhancing platform components, and contributing to the development of robust, scalable systems capable of supporting global operations. Candidate Profile: Ideal candidates will possess strong analytical and problem-solving abilities, with a track record of delivering high … quality software in complex environments. Experience with distributed systems and ownership of the full development lifecycle—from design through deployment and monitoring—is essential. Senior Engineers will also be expected to provide mentorship and technical leadership within their teams. Key Requirements: Professional experience with C# (.NET) Expertise in … in Azure cloud services (e.g. Azure SQL, Cosmos DB, Functions, Container Apps) Experience with microservices, event-driven architectures, and automated testing Familiarity with messaging systems such as Azure Service Bus, Event Grid, or Event Hub Practical experience with Infrastructure as Code tools like Terraform and Bicep Excellent communication skills More ❯

server-side C# engineer to join their lean, senior-led engineering team—working on a platform that’s pushing boundaries in event-driven architecture, distributed systems, and customer-first delivery. 👨‍💻 What You’ll Work On: A greenfield microservices platform (24+ services) built around CQRS , Event Sourcing , and DDD … High throughput transactional systems processing tens of thousands of requests per hour Real-time tracking and customer self-service layers designed to minimise support tickets A technically mature, agile team where every developer contributes to architectural direction 🧪 Tech Snapshot (and What You Must Know Cold): C#/.NET … Service Bus, Kafka, etc.) Infrastructure : Docker, Kubernetes, CI/CD pipelines, cloud-native best practices 🧩 What You'll Bring: Proven experience delivering high-performance distributed systems A test-first, craft-focused engineering mindset Strong architectural instincts with a collaborative, debate-positive attitude Comfort with modern engineering workflows and More ❯

scaling models—it’s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the … stack—from model representation and execution to data movement and scheduling. Whether it’s through compiler techniques, systems-level tuning, or custom runtime design, you’ll play a critical role in shaping the performance layer of our AI platform. This is a role for engineers who think in microseconds … worked in HFT, large-scale scientific compute, or AI infrastructure at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning More ❯

focused on hands-on coding rather than management or other hands-off responsibilities. You’ll architect and build reliable and scalable AI/ML systems, laying the groundwork for a new, dedicated team focused on intelligent product capabilities. With a focus on applied machine learning, generative AI, and cloud … ML Project Ownership Lead the delivery of machine learning initiatives from exploration through to deployment and monitoring. Own the full development cycle for ML systems — including architecture, data pipelines, model training, and production deployment. Cross-functional Collaboration Work closely with Product, Engineering, and DevOps teams to embed intelligent features … engineering, and automation. Experience working with AWS (e.g., SageMaker, Bedrock) and infrastructure-as-code tools like Terraform. Solid understanding of large-scale data pipelines, distributed systems, and microservice architectures. Comfortable working with LLMs, model fine-tuning, and building features powered by generative AI. Experience setting up CI/ More ❯

microservice architecture. Strong experience w ith AWS EKS and containerized environments (Docker, Kubernetes). Proficiency with Postgr eS QL, R edis, and message queue systems (e.g., RabbitMQ, Kafka). Deep understanding of API design and best practices (REST, gRPC). Experience with CI/CD pipelines, monitoring tools (e.g. … Prometheus, Grafana), and logging systems (e.g., ELK stack).Strong problem-solving, organizational, and communication ski lls. Prefe rred: Experience with distributed systems, event-driven architectures, and CQRS/ES patterns. Familiarity with caching strategies, data partitioning, and performance tuning for large-scale systems. Knowledge of DevSecOps practices … and implementing security at scale. Background in scaling backend systems to support millions of users. Familiarity with infrastructure-as-code tools (e.g., Terraf orm). Compens ation This is an equity-only position, offering a unique opportunity to gain a stake in a rapidly growing company and contribute directly More ❯

Product mindset, you think in terms of outcomes, not just features Comfortable in fast-paced, early-stage startup environments Experience in building microservices and distributed systems Strong communicator with a collaborative, solution-focused approach Bonus Experience Exposure to LLM APIs, AI tooling, or NLP-powered applications Knowledge of … Next.js or modern frontend architecture Infrastructure-as-Code (CDK, Terraform, etc.) Experience in customer support tech or event-driven systems Python scripting or backend services alongside JS stack What’s on Offer 💸 Compensation & Perks Salary: £85k–£120k DOE Equity or stock grants Learning and AI tooling budgets (Perplexity Pro More ❯

a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the … reviews, design discussions, and knowledge sharing. Senior Backend Engineer (Go) - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering, including system design and More ❯

DB. Extensive experience designing and delivering APIs, microservices, and event-driven systems. Skilled in architectural best practices such as domain-driven design, CQRS, and distributed systems thinking. Strong understanding of CI/CD, containerisation, and cloud-native infrastructure. Familiarity with frontend architecture (Angular or similar) and its integration More ❯

understanding of what is required to create and operate maintainable systems. Experience with automated testing and quality assurance An understanding of how to build systems that perform well at scale Enthusiasm for building secure systems and implementing security best practices Experience of leading engineering teams building complex/… distributed systems Excellent interpersonal and collaboration skills A technical/computer science degree or equivalent professional experience What we offer in return; Competitive salary, dependent on experience Fully remote working Be part of a fantastic company culture; we all display our Company DNA's, foster a "One Team More ❯

Lead and develop a high-performing backend engineering team with a focus on collaboration, mentorship, and technical excellence Own backend architecture and strategy, ensuring systems are scalable, reliable, and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an … quality, testing, and maintainability What we’re looking for: 10+ years in software engineering, with 7+ years in backend Java development Strong experience building distributed systems and microservices Proven leadership of engineering teams with the ability to coach, delegate, and develop others Hands-on expertise in Java, with … a strong preference for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking … continuous integration Technical Skills Required: Strong core Java development (Java 8+) Spring Boot & Spring Framework (with Hibernate) RESTful web services over Microservices architecture and distributed systems CI/CD pipelines and modern delivery tools Git for source control, Jira for issue tracking UML/SysML (e.g., using Enterprise … development methodologies Passion for innovation and a proactive mindset Excellent communication skills, comfortable engaging with stakeholders What’s on Offer: Work on mission-critical systems in the space domain Join a team that values collaboration, innovation, and quality Long-term career development within a high-tech environment If you More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking … continuous integration Technical Skills Required: Strong core Java development (Java 8+) Spring Boot & Spring Framework (with Hibernate) RESTful web services over Microservices architecture and distributed systems CI/CD pipelines and modern delivery tools Git for source control, Jira for issue tracking UML/SysML (e.g., using Enterprise … development methodologies Passion for innovation and a proactive mindset Excellent communication skills, comfortable engaging with stakeholders What’s on Offer: Work on mission-critical systems in the space domain Join a team that values collaboration, innovation, and quality Long-term career development within a high-tech environment If you More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking … integration Technical Skills Required: Strong core Java development (Java 8+) Spring Boot & Spring Framework (with Hibernate) RESTful web services over HTTPS Microservices architecture and distributed systems CI/CD pipelines and modern delivery tools Git for source control, Jira for issue tracking UML/SysML (e.g., using Enterprise … development methodologies Passion for innovation and a proactive mindset Excellent communication skills, comfortable engaging with stakeholders What’s on Offer: Work on mission-critical systems in the space domain Join a team that values collaboration, innovation, and quality Long-term career development within a high-tech environment If you More ❯

Java Developer – Satellite Systems (Microservices, Agile, Spring Boot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next generation of satellites? A leading global aerospace organisation is seeking … integration Technical Skills Required: Strong core Java development (Java 8+) Spring Boot & Spring Framework (with Hibernate) RESTful web services over HTTPS Microservices architecture and distributed systems CI/CD pipelines and modern delivery tools Git for source control, Jira for issue tracking UML/SysML (e.g., using Enterprise … development methodologies Passion for innovation and a proactive mindset Excellent communication skills, comfortable engaging with stakeholders What’s on Offer: Work on mission-critical systems in the space domain Join a team that values collaboration, innovation, and quality Long-term career development within a high-tech environment If you More ❯

in peer code review Be involved in all steps of development, including design, architecture, implementation, automated tests development, and monitoring the health of the systems in production Work in a multi-functional team to exceed our customers' expectations 🧰 What you’ll need: Strong experience working with Ruby Good CS … native applications Practical experience with Kubernetes and ability to write specs for k8s objects for your apps Experience finding and fixing bottlenecks in complex distributed systems, experience conducting load and disaster recovery testing Experience designing and building applications in microservice architecture 🔎 Our Hiring Process Introduce yourself – you’ll More ❯

Boot, Microservices) Proficiency with AWS services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience More ❯

core of platform reliability and infrastructure automation within a fast-growing SaaS company. Key Responsibilities: Diagnose and resolve complex application and infrastructure issues across distributed systems. Participate in 24x7 on-call rotation, sprint planning, and SCRUM ceremonies. Perform root cause analysis (RCA) and create technical documentation and SOPs. Develop More ❯

unlimited holiday What you’ll bring Solid commercial experience with Node.js and Typescript on large scale microservices architectures Extensive work on extremely high-traffic, distributed systems Good knowledge of Kubernetes and either Kafka or RabbitMQ Deep understanding of AWS and related tools Strong Computer Science fundamentals Happy working More ❯

Framework, knowledge of Developing in Spring with Hibernate Knowledge of developing REST within Experience developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge of software design patterns Agile Development Processes CI/CD delivery techniques Source code management, GIT Use of Issue tracking systems More ❯

Framework, knowledge of Developing in Spring with Hibernate Knowledge of developing REST within Experience developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge of software design patterns Agile Development Processes CI/CD delivery techniques Source code management, GIT Use of Issue tracking systems More ❯