cheltenham, south west england, United Kingdom Hybrid / WFH Options
Tyk
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, distributedsystems, 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 distributedsystems 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 ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
Tyk
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, distributedsystems, 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 distributedsystems 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 ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
Few&Far
Product Development What You’ll Do Design, develop, and maintain performant services in Go, playing a key role in designing and building real-time, distributedsystems 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 distributedsystems , 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 ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
Few&Far
Product Development What You’ll Do Design, develop, and maintain performant services in Go, playing a key role in designing and building real-time, distributedsystems 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 distributedsystems , 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 ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 distributedsystems 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 ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 distributedsystems 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, distributedsystems, 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 distributedsystems A test-first, craft-focused engineering mindset Strong architectural instincts with a collaborative, debate-positive attitude Comfort with modern engineering workflows and 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, distributedsystems, 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 distributedsystems 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 ❯
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 ❯
and experience it as well! What you'll need: Good knowledge and experience in reviewing the security and resilience of IT infrastructure and supporting systems such as Operating Systems (e.g., UNIX/Linux, Mainframe, Windows Server, and Windows Desktop), distributedsystems (e.g., Storage, Backups, and Databases … audit outcomes, continuous risk monitoring and data analysis. Whilst not a pre-requisite, relevant professional qualifications would be a plus such as Certified Information Systems Auditor (CISA), Certified Information Systems Security Professional (CISSP), Google Cloud Associate Cloud Engineer, Azure Security Engineer Associate or equivalent About working for us More ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
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, distributedsystems, and microservice architectures. Comfortable working with LLMs, model fine-tuning, and building features powered by generative AI. Experience setting up CI/ More ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
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, distributedsystems, 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 distributedsystems, 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 ❯
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 distributedsystems, 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 ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Manchester Digital
including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We're looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. This role is perfect for a technical leader who still enjoys writing code while … shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best practices in software development and … system architecture Technical leadership - guiding multiple teams and ensuring best practices Managing & mentoring Staff Engineers - supporting career growth and technical excellence Architecting and scaling distributedsystems and cloud-native applications Defining and enforcing non-functional requirements (NFRs) - scalability, security, performance Implementing Test-Driven Development (TDD) and automation best More ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
Howrecruit
Product mindset, you think in terms of outcomes, not just features Comfortable in fast-paced, early-stage startup environments Experience in building microservices and distributedsystems 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 ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
Howrecruit
Product mindset, you think in terms of outcomes, not just features Comfortable in fast-paced, early-stage startup environments Experience in building microservices and distributedsystems 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 distributedsystems 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 ❯
a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributedsystems 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 ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Internetwork Expert
Intuition Machines uses AI/ML to build enterprise security products. We apply our research to systems that serve hundreds of millions of people, with a team distributed around the world. You are probably familiar with our best-known product, the hCaptcha security suite. Our approach is simple … development processes, supported by strong knowledge of Python, NodeJS, and, ideally, C/C++, Go, or Rust. Experience and demonstrated success with DevOps/systems integration, lightweight development practices, meeting strong SLAs, test-driven design in large scale internet-facing systems. Familiarity with distributedsystems design on More ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
CPS Group (UK) Limited
DB. Extensive experience designing and delivering APIs, microservices, and event-driven systems. Skilled in architectural best practices such as domain-driven design, CQRS, and distributedsystems thinking. Strong understanding of CI/CD, containerisation, and cloud-native infrastructure. Familiarity with frontend architecture (Angular or similar) and its integration More ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
CPS Group (UK) Limited
DB. Extensive experience designing and delivering APIs, microservices, and event-driven systems. Skilled in architectural best practices such as domain-driven design, CQRS, and distributedsystems thinking. Strong understanding of CI/CD, containerisation, and cloud-native infrastructure. Familiarity with frontend architecture (Angular or similar) and its integration More ❯
cheltenham, south west england, United Kingdom Hybrid / WFH Options
WeDo
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 distributedsystems 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 ❯
gloucester, south west england, United Kingdom Hybrid / WFH Options
WeDo
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 distributedsystems 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 ❯