Identify optimization opportunities to improve performance, reliability, and scalability Champion collaboration, knowledge-sharing, and team growth Required Qualifications & Skills 3+ years of professional software engineering experience Strong understanding of distributed, message-based, scalable systems Fluent in multiple programming languages; expertise in at least one of: Java, Python, or JavaScript Experience writing, testing, and deploying production-quality backend services … Kafka or Amazon Kinesis Familiarity with Terraform, Docker, and Kubernetes Proficiency in at least one major cloud platform (AWS, Azure, or GCP) Exposure to performance tuning and testing of distributedsystems Experience working on diverse teams and mentoring junior engineers Education Bachelor's degree in Computer Science, Engineering, Information Systems, or related field, or equivalent practical experience More ❯
Liverpool, Lancashire, United Kingdom Hybrid / WFH Options
The Acorn Group
We're looking for a passionate Senior Backend Developer who thrives on solving complex problems and building systems that scale. You'll be at the forefront of creating next-generation backend services that genuinely make a difference for our customers and business. In this role, you'll have the freedom to lead, the support to grow, and the chance … that values openness and collaboration. Bonus: Clean Architecture Understanding Clean Architecture and Mediator Pattern is a huge plus! If you have it, you'll help us build maintainable, testable systems that follow industry best practices. Database : SQL Server, Entity Framework Tools : Unit and Integration Testing, Git, Agile methodologies What We're Looking For Proven senior-level experience building microservices … building robust, scalable systems. Understanding Clean Architecture and Mediator Pattern is desirable but not mandatory. Bonus Points For: Understanding Clean Architecture, Mediator Pattern Solid grasp of asynchronous communication in distributedsystems Experience with high-throughput, data-intensive systems Contributed towards systems utilising Event-Driven Architecture Why Join Us? Modern tech stack and a strong culture of More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
In Technology 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: You'll be building distributed, event-driven microservices using: Java and the full Spring ecosystem (Spring Boot … ll also contribute to architecture discussions, peer reviews, and technical presentations within the team. What They're Looking For: 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 ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Nextech
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 … ll also contribute to architecture discussions, peer reviews, and technical presentations within the team. What They're Looking For: 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 ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
AJ Bell
with a modern tech stack 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 AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising … on core application components 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 practices Optimising CI/CD More ❯
integrating seamlessly with mobile clients and cloud infrastructure. Develop and optimize a highly efficient auto-scaling platform utilizing Docker containers and Kubernetes orchestration. Ensure reliability and uptime of backend systems through comprehensive monitoring, testing, and automation. Troubleshoot and resolve complex technical challenges within production environments swiftly and effectively. Continuously assess and implement emerging technologies to boost system performance and … Hands-on expertise developing and operating large-scale cloud services using Docker and Kubernetes. Proven capability in writing and maintaining comprehensive automated unit and integration tests. Deep understanding of distributedsystems, microservices architecture, and database technologies. Familiarity with CI/CD pipelines, Test-Driven Development (TDD), and automation frameworks. Skilled in production system monitoring, troubleshooting, and issue resolution. More ❯
Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring, jumping in, and figuring things out in any system, this role is for you! What you'll be doing Work alongside a … for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributedsystems Command of Java, C++ or Go/Golang Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming Experience … with distributed caching, SQL/NO SQL, and other databases is a plus Experience with Big Data and cloud services such as AWS/GCP is a plus Experience in advertising domain a big plus B.S. or M.S. degree in Computer Science, Engineering, or equivalent Self-motivated individual with a high level of accountability and ownership Critical thinking and More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Manchester Digital
with a modern tech stack 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 AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising … on core application components 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 practices Optimising CI/CD More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
esure Group
member of a high performing Claim's Agile squad accountable for shaping our products and customer journeys An expert developer, working with developers to design and build customer facing systems using Java microservices and the latest cloud technologies Actively sharing technical expertise with the team both as a hands-on developer, coach and mentor. Improving the engineering practices in … the squad including code quality, testing and CI/CD Working with SRE engineers to build distributedsystems with a focus on high availability, low latency and scalability (you build it, you run it) Senior member of esure’s engineering community, engaging in tech forums and driving tech change wider than your squad Qualifications We would love you More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Manchester Digital
have an award-winning culture built on collaboration. You'd join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. As a Principal Software Engineer, you'll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. … What You'll Be Doing: Designing and building scalable, distributedsystems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non-functional requirements: scalability, security, performance Driving DevOps, CI/CD, and containerisation best practices Exploring and implementing AI-powered dev tools What We're Looking For: Strong More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Interquest
have an award-winning culture built on collaboration. You’d join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. As a Principal Software Engineer, you’ll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. … What You’ll Be Doing: Designing and building scalable, distributedsystems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non-functional requirements: scalability, security, performance Driving DevOps, CI/CD, and containerisation best practices Exploring and implementing AI-powered dev tools What We’re Looking For: Strong More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
InterQuest Solutions
have an award-winning culture built on collaboration. You'd join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. As a Principal Software Engineer, you'll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. … What You'll Be Doing: Designing and building scalable, distributedsystems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non-functional requirements: scalability, security, performance Driving DevOps, CI/CD, and containerisation best practices Exploring and implementing AI-powered dev tools What We're Looking For: Strong More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
WorksHub
as Scalaz, Cats Effect and ZIO. Demonstrable experience working as part of a high performing, collaborative, agile team to deliver significant features/requirements. Experience of designing, building & operating distributedsystems with multi-level failover & fallback strategies. Experience with Cloud Infrastructure, preferably with AWS . Web services experience: including REST and GraphQL . Monitoring and optimising applications written More ❯
term vision of building a unified platform that connects and scales over 15 individual products across our business. You'll work in a cross-functional team focused on integrating distributedsystems, building shared services, and modernising our architecture. Whether you're passionate about backend APIs, frontend functionality, or cloud infrastructure, there's plenty of room to apply your … to support cross-product functionality. Collaborate with Product Managers, Designers, and Engineers to solve real business problems with smart, scalable software. Contribute to system architecture and help unify diverse systems into a cohesive platform. Follow agile practices, contributing to sprint planning, retrospectives, and team ceremonies. Write clean, testable, and maintainable code; participate in code reviews and technical discussions. Provide … operational support for production systems alongside our Cloud Ops team What we're looking for: Strong experience in either Angular or.NET Core- ideally both, but deep strength in one is welcomed. Hands-on experience with at least one major SQL database (e.g., SQL Server, Postgres, Oracle). Exposure to cloud platforms - AWS preferred, but Azure or GCP is also More ❯
disciplines. About the Team At Roku, our Enterprise Engineering Team builds the internal applications and cloud services that power critical business functions - including Finance, People, and Supply Chain. These systems are essential to how our global teams operate, enabling them to move faster, work smarter, and scale efficiently. About The Role We're looking for a Senior Software Engineering … Manager to lead our UK-based team of talented engineers. This is a hands-on leadership role focused on delivering scalable, reliable, and maintainable enterprise systems while nurturing a high-performing, inclusive team culture. This role is ideal for someone with extensive experience in backend development and cloud infrastructure , who thrives on solving complex business challenges through technology. You … ll work cross-functionally with stakeholders around the world to build systems that keep Roku running smoothly behind the scenes - and position us for continued growth. What You'll Be Doing As a Senior Engineering Manager, you'll take full ownership of your team's technical execution, product delivery, and professional development. You'll guide engineers through complex technical More ❯
you: You've led engineering teams that build customer-facing digital products You're an empathetic leader - focused on growth, trust and accountability You've worked with high-availability distributedsystems or financial platforms You're excited by the challenge of launching a new team and establishing a strong culture You've collaborated closely with product managers, delivery More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Parking Network BV
thrives on innovation, collaboration, and making things happen. Projects range from client integrations and data warehousing to machine learning and real-time reporting. If you're excited about building systems from the ground up in a supportive, forward-thinking environment, this is your opportunity About you You're an experienced data engineering professional with a proven ability to lead … data pipelines, ETL processes, and warehousing in cloud environments. The ability to manage and mentor a team of data engineers, driving standards and continuous improvement. Expertise in working with distributedsystems and large datasets. A strong understanding of data governance, privacy, and security. An eagerness to work collaboratively across disciplines and solve real-world business problems with data. More ❯
Bolton, Lancashire, England, United Kingdom Hybrid / WFH Options
FPSG Connect
subject matter expert in Information Security matter. Typically achieved by performing functions such as Security Architect, Security Project Lead, Security Technical expert, DevSecOps A technical breadth to include enterprise, distributedsystems and cloud technologies. Strong practical understanding of Information Security risk management processes and best practice Advanced communication and interpersonal skills, including the ability to negotiate and resolve More ❯
Development Skills Services, messaging, middleware Comfortable with functional or OOP programming languages: Java Python .Net Golang Erlang C++ Haskell Scala or similar Understanding of distributed system architecture, microservices, and client-server design Familiarity with Google Server-Side Development Hands-on experience with server-side development (services, messaging, middleware) Understanding of distributed system architecture and microservices Client-server design More ❯