warrington, cheshire, north west england, united kingdom
CACTUS
less technologies) Agile development – Scrum, Kanban, TDD, BDD Nice to have Skills: Good understanding of Docker and Kubernetes Experience in large scale integration projects involving messaging, web services and distributedsystems Apache Camel and WSO2 Integrator (or similar products) ELK stack OpenStack platform Workflow/Business Process Management tools (Pega) Terraform Azure Cloud Platform Public Sector experience More ❯
bolton, greater manchester, north west england, united kingdom
CACTUS
less technologies) Agile development – Scrum, Kanban, TDD, BDD Nice to have Skills: Good understanding of Docker and Kubernetes Experience in large scale integration projects involving messaging, web services and distributedsystems Apache Camel and WSO2 Integrator (or similar products) ELK stack OpenStack platform Workflow/Business Process Management tools (Pega) Terraform Azure Cloud Platform Public Sector experience More ❯
and configuration baselines. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributedsystems 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 with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ More ❯
and configuration baselines. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributedsystems 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 with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ More ❯
and configuration baselines. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributedsystems 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 with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ More ❯
and configuration baselines. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributedsystems 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 with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ More ❯
london (city of london), south east england, united kingdom
BGC Group
and configuration baselines. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributedsystems 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 with containerized environments (Docker/Kubernetes). Exposure to other messaging platforms (Kafka, RabbitMQ, MQ More ❯
data analytics. Our platform is starting to replace a set of the existing risk applications with new generation ones with web-based UI, server-side computing and grid technology, distributed in-memory solutions. The new application is going to serve traders, sales and external clients. Solution is scalable to cover multiple locations and meet latency requirements. Team is growing … processes What we want from you Strong hands-on experience with Core Java and multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributedsystems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning) Deep … maintaining applications in cloud platforms (AWS, Azure, etc.) Passion to write code using TDD and be ready for L3 support and production release activities English B1 Qualifications Experience in systems analysis and programming of software applications Experience in managing and implementing successful projects Working knowledge of consulting/project management techniques/methods Ability to work independently, multi-task More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Nextech Group Limited
My client is looking for a talented Java Developer to join their growing engineering team in Manchester. This is a fantastic opportunity to work on high-scale, cloud-native systems using modern technologies in a collaborative, forward-thinking environment. The Role: Java and the full Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Cloud Stream) Kafka, MongoDB, ElasticSearch … For: ~5 years' experience in a hands-on development role. Experience working within highly regulated businesses (finance, insurance etc) Strong Java development experience using Spring-based frameworks Knowledge of distributedsystems and microservices best practices Hands-on with Kafka, NoSQL/ElasticSearch, and containerised environments Experience with AWS services and cloud-native design Comfortable working in Agile teams More ❯
resources of our planet to the benefit of all. You Are: Fluent in Python and software engineering fundamentals, and comfortable with highly scalable data processing libraries Strong expertise in distributedsystems, micro-service architectures and scalable data processing pipelines Driven by working in an intellectually engaging environment with the top minds in the industry, where constructive and friendly … challenges, excited to bring new ideas to production, and a positive can-do will-do person, not afraid to push the boundaries of your job role Experienced in building distributed heavy-load backend systems that can go through terabytes of data daily Passionate about coaching developers, helping them improve their skills and grow their careers Deep experience of … especially deployment, monitoring & debugging Have experience with productisation of Machine Learning research projects Are familiar with Airflow or other workflow orchestration tools, and worked with Kubernetes Understand data lake systems and file formats like Parquet, Orc, Athena Have some relevant AWS or Kafka certifications A vibrant, diverse company pushing ourselves and the technology to deliver beyond the cutting edge More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Eligo Recruitment
the gambling industry This is a fantastic opportunity to work on large-scale, high-traffic platforms for a well-known operator, delivering critical back-end services in a modern, distributed environment.This is a fully remote contract (UK based), initially for 12 months with strong potential to extend.Key Requirements You have strong commercial experience with Java and frameworks such as … Spring/Spring Boot. You bring solid cloud experience (preferably AWS) and are confident working with Kubernetes and Docker . You’re skilled with messaging systems and APIs (Kafka, ActiveMQ, JMS, REST, CometD). You have hands-on experience with databases (DB2, MongoDB, MySQL). You understand caching technologies . You’re familiar with build tools (Maven), web servers … end server logic to support gambling products at scale. Building, enhancing, and maintaining back-end services that power high-traffic gambling platforms. Contributing to the design and architecture of distributedsystems that need to be fast, scalable, and secure. Writing clean, reusable, and reliable Java code that follows best practices. Working with databases, caching, and messaging systemsMore ❯
with a strong background in financial technology. The ideal candidate will possess: Financial Markets Expertise: Demonstrated prior software development experience within financial markets, preferably with exposure to electronic trading systems or low-latency environments. Core Java Proficiency: Expertise in Core Java development (version 1.8 or higher), with a deep understanding of its ecosystem, best practices, and performance characteristics. Advanced … performance applications. Low Latency & Performance Tuning: Proven experience in developing and optimizing low-latency applications, including advanced performance tuning techniques and profiling to achieve micro seconds level response times. DistributedSystems & Middleware: Hands-on experience working with various messaging middlewares (e.g., Kafka, Solace) and TCP-based communication protocols for building resilient and scalable distributed systems. Linux & Scripting … system-level performance tuning and troubleshooting in a Linux environment. Microservices Architecture: Practical experience with microservices architecture principles and design patterns, including developing, deploying, and managing services in a distributed environment. Any Beneficial/Nice to have skills and experience: Algorithmic Trading & Routing Strategies: Direct experience in the development or implementation of algorithmic trading strategies, particularly within electronic trading More ❯
as needed Develop effective working relationships with development teams both internal to HMRC and with Third Party suppliers Familiar working within an Agile working environment Develop and maintain lightweight systems documentation Mentor junior team members Essential Skills: Experience with Enterprise Jenkins to create reusable pipelines across projects Understanding of the Linux Operating System, standard network protocols and security hardening. … Experience with unit testing and automated testing tools (such as ReadyApi, Cucumber etc.) Familiarity with microservices architecture and container orchestration with Kubernetes (Preferably EKS) Experience in managing and scaling distributedsystems in AWS cloud environment across multiple environments Experience with deploying, supporting and supervising new and existing services, platforms and application stacks Experience in defining quality gates (integrating More ❯
as needed Develop effective working relationships with development teams both internal to HMRC and with Third Party suppliers Familiar working within an Agile working environment Develop and maintain lightweight systems documentation Mentor junior team members Essential Skills: Experience with Enterprise Jenkins to create reusable pipelines across projects Understanding of the Linux Operating System, standard network protocols and security hardening. … Experience with unit testing and automated testing tools (such as ReadyApi, Cucumber etc.) Familiarity with microservices architecture and container orchestration with Kubernetes (Preferably EKS) Experience in managing and scaling distributedsystems in AWS cloud environment across multiple environments Experience with deploying, supporting and supervising new and existing services, platforms and application stacks Experience in defining quality gates (integrating More ❯
understanding of Python Good understanding on AWS services (EC2, ECS, EKS, API Gateway and Serverless technologies) Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributedsystems Public Sector domain experience preferable More ❯
Full Stack Software Developer Oxfordshire, UK | Hybrid (2 days onsite) Industry: Space Systems, Ground Segment, Mission Operations A UK-based space company is hiring a Full Stack Software Developer to join their Ground Segment Software Team. This team builds the critical systems that control and communicate with satellites in orbit, connecting mission operations on Earth to spacecraft in … role focuses on full stack development for ground segment tools that integrate with external platforms like SCOS and GMV. The work is highly technical, involving real-time, fault-tolerant systems used in active satellite operations. This is not web or e-commerce work. It's engineering that keeps satellites running and missions on track. 🛠 What You'll Do Build … and maintain full stack tools that support satellite control and mission operations Develop backend services in Java or C++ , with React frontends Integrate in-house systems with third-party ground segment tools Work across the full software lifecycle, from design to test to deployment Help shape architectural decisions for robust and scalable systems Collaborate closely with operations, mission More ❯
oxford district, south east england, united kingdom
Darwin Recruitment
Full Stack Software Developer Oxfordshire, UK | Hybrid (2 days onsite) Industry: Space Systems, Ground Segment, Mission Operations A UK-based space company is hiring a Full Stack Software Developer to join their Ground Segment Software Team. This team builds the critical systems that control and communicate with satellites in orbit, connecting mission operations on Earth to spacecraft in … role focuses on full stack development for ground segment tools that integrate with external platforms like SCOS and GMV. The work is highly technical, involving real-time, fault-tolerant systems used in active satellite operations. This is not web or e-commerce work. It's engineering that keeps satellites running and missions on track. 🛠 What You'll Do Build … and maintain full stack tools that support satellite control and mission operations Develop backend services in Java or C++ , with React frontends Integrate in-house systems with third-party ground segment tools Work across the full software lifecycle, from design to test to deployment Help shape architectural decisions for robust and scalable systems Collaborate closely with operations, mission More ❯
london, south east england, united kingdom Hybrid / WFH Options
Mimecast
Software Engineer II Why Join Us? Are you passionate about building robust, scalable systems that make a real impact? At Governance, Compliance & Insights, you'll join a collaborative team tackling the unique challenges of enterprise data protection. Here, your ideas matter, your code shapes the future, and your work directly improves how global businesses safeguard their most valuable assets. … Do: Architect & Build: Design, develop, and maintain modern Java-based services with Angular or React front ends, powering mission-critical enterprise solutions. Modernize & Innovate: Lead the transformation of legacy systems—improving reliability, scalability, and observability using the latest cloud-native technologies. Own the Cloud: Build and operate Java services (Java 11+), leveraging Docker, Kubernetes/EKS, and AWS to … Document & Share: Ensure clarity and knowledge sharing by documenting architectures, processes, and best practices. What You'll Bring: Proven Java Expertise: Proven experience with Java 11+ and building scalable, distributed backend systems. Frontend Acumen: Skilled in building robust, maintainable UIs with Angular or React. Cloud & DevOps Savvy: Hands-on experience with AWS (IAM, S3, DynamoDB, VPC, ECS/EKS More ❯
Cloud Engineering experience across AWS/GCP, to design and implement resilient frontend client, backend services and cloud-native solutions. This is an opportunity to work on high-impact systems within a secure, high-availability environment at one of the world's leading financial institutions. Key Accountabilities Responsibilities will include: • Design, develop and maintain highly available, secure, and performant … s degree in computer science or equivalent industry experience. • Comes from Software Engineering background with infrastructure experience. • 5+ years of development experience with a strong focus on large-scale, distributed systems. • Proficient in Python, Golang and PostgreSQL. • Experience with Liquibase or similar tools for database change management and version control. • Hands-on experience with AWS/GCP, including cloud … Cloud. o Linux. o Relational and NoSQL databases. o Integration services such as messaging and streams. o Building RESTful API Services. o Containerisation, Kubernetes, serverless functions. o Microservices, and distributed tracing. o Enterprise logging, monitoring, and alerting frameworks (e.g., ELK, Splunk, Prometheus, Grafana). • Experience working within an Agile environment. • Programming experience in following languages: Golang & Python. • Good understanding More ❯
build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft Azure. Atlas allows customers to build and run applications anywhere-on premises … alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design … scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributedsystems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging More ❯
Sheffield, South Yorkshire, Yorkshire, United Kingdom
AVENSYS CONSULTING (UK) LTD
Masters degree in Computer Science or equivalent industry experience. Comes from Software Engineering background with infrastructure experience. 5+ years of development experience with a strong focus on large-scale, distributed systems. Proficient in Python, Golang and PostgreSQL . Experience with Liquibase or similar tools for database change management and version control. Hands-on experience with AWS/GCP , including … Essential Skills Demonstrable experience of: Public Cloud. Linux. Relational and NoSQL databases. Integration services such as messaging and streams. Building RESTful API Services. Containerisation, Kubernetes, serverless functions. Microservices, and distributed tracing. Enterprise logging, monitoring, and alerting frameworks (e.g., ELK, Splunk, Prometheus, Grafana). Experience working within an Agile environment. Programming experience in following languages: Golang & Python. Good understanding of More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a … with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write … a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributedsystems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time More ❯
london, south east england, united kingdom Hybrid / WFH Options
Fynity
onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a … with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write … a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributedsystems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Fynity
onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a … with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write … a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributedsystems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Fynity
onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on behalf of a … with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write … a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum) 🧠 What You Bring We’re looking for engineers who are pragmatic, performance-focused, and thrive on solving complex distributedsystems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time More ❯