Senior Java Engineer Modern Stack | TDD & CI/CD | Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester £60,000 - £70,000 + Bonus + Excellent Benefits \*\*my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on, but they're looking for someone with the experience and maturity to: \*\*mentor other engineers \*\*lead by example \*\*contribute to good engineering practices \*\*help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: \*\*Java, Spring Boot \*\*TDD / automated testing \*\*CI/CD and modern delivery pipelines \*\*AWS (including serverless approaches in places) \*\*Docker, Kubernetes \*\*Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For \*\*Strong experience building backend systems with Java & Spring Boot \*\*Comfortable working with TDD and modern engineering practices \*\*Experience delivering production software in Agile teams \*\*Someone who enjoys mentoring and helping others grow \*\*Collaborative mindset - pairing, code reviews, shared ownership \*\*Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? \*\*Remote-first working with minimal office travel \*\*Strong salary, bonus and excellent benefits \*\*A genuinely good engineering culture (not just "Agile" on paper) \*\*Meaningful work, complex systems, and long-term platform thinking \*\*Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy
London - 4 days onsite
£110k - £140k + Benefits
We’re hiring for one of the UK’s fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical leadership alongside being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operational excellence.
Responsibilities:
Architect and implement highly available, multi-region infrastructure services
Define resilience patterns across services (failover, circuit breaking, back-pressure, etc.)
Lead large-scale refactoring or reliability improvement initiatives
Establish best practices in incident response, observability, and SLO management
Drive adoption of modern cloud-native and GitOps practices
Mentor senior engineers and influence engineering culture at scale
Skills Required:
Strong backend engineering ability (Go, Java or .NET)
Extensive hands on expertise designing and operating high scale distributed systems
Deep expertise in cloud native architecture (GCP/AWS)
Advanced Kubernetes and container orchestration expertise
Proven track record of mentoring and technical leadership.
Why this role:
You’ll get the opportunity to influence architecture across a multi country product.
You’ll work in an engineering led organisation where technical excellence drives business success
Have the opportunity to remain hands on while shaping long term platform best practices.
We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.
TPBN1_UKTJ
Senior Java Engineer Modern Stack | TDD & CI/CD | Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester £60,000 - £70,000 + Bonus + Excellent Benefits \*\*my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on, but they're looking for someone with the experience and maturity to: \*\*mentor other engineers \*\*lead by example \*\*contribute to good engineering practices \*\*help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: \*\*Java, Spring Boot \*\*TDD / automated testing \*\*CI/CD and modern delivery pipelines \*\*AWS (including serverless approaches in places) \*\*Docker, Kubernetes \*\*Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For \*\*Strong experience building backend systems with Java & Spring Boot \*\*Comfortable working with TDD and modern engineering practices \*\*Experience delivering production software in Agile teams \*\*Someone who enjoys mentoring and helping others grow \*\*Collaborative mindset - pairing, code reviews, shared ownership \*\*Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? \*\*Remote-first working with minimal office travel \*\*Strong salary, bonus and excellent benefits \*\*A genuinely good engineering culture (not just "Agile" on paper) \*\*Meaningful work, complex systems, and long-term platform thinking \*\*Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
Java Developer - Up to 60K + Bonus
We’re working with a global technology consultancy delivering secure, large-scale digital transformation programmes across multiple industries.
Theyre looking for a Java Developer to join a growing engineering team building modern, cloud-based microservices platforms.
This role is ideal for a developer who wants to level up technically, work alongside senior engineers and architects, and gain exposure to enterprise-scale systems.
What Youll Be Doing:
What Theyre Looking For:
Nice to Have:
Security Clearance Requirement:
Due to client project work, candidates must be eligible for UK Security Clearance (SC)
Why Apply?
Ok I’m In What’s Next?
Please apply with your latest CV
The Department for Business and Trade (DBT) has a clear mission - to grow the UK economy. The Digital, Data and Technology (DDaT) directorate develops and operates tools and services to support us in this mission and is seeking a Platform Test Lead experienced in test automation (PaaS/SaaS), coding (Python or Java), test frameworks & BDD (e.g. Gherkin/Cucumber), CI/CD pipelines, containerisation (Docker/Kubernetes), cloud platforms (AWS preferred), and infrastructure-as-code (e.g. Terraform). London £65,826 to £81,674, National £62,103 to £78,054 plus £17,991 annual pension contribution. 40% to 60% hybrid working.
As Platform Test Lead, you will play a critical role in ensuring the DBT Platform is robust, secure, and scalable by embedding quality assurance into its design and delivery. You’ll lead the development of platform-wide test strategies, support automated testing across infrastructure and services, and collaborate with technical leaders to drive continuous improvement. This role supports DBT’s digital transformation goals and contributes to the strategic evolution of the platform.
Role Overview of the Platform Test Lead:
This is a technical and strategically critical role within our Technology portfolio at DBT, overseeing a platform that supports internal and external services. You will lead the evolution of the DBT Platform’s testing strategy, ensuring it is robust, secure, scalable and efficient. You will work closely with platform engineers, technical architects, cyber security and service teams to embed quality assurance into the platform’s design and delivery.
You will play a key role in shaping how we test and assure platform capabilities, bringing your experience of test automation, infrastructure testing and DevOps practices. You’ll work across DDaT to understand future needs and help teams validate and deliver against them. You’ll also contribute to platform governance and technical decision-making, ensuring testing supports strategic goals.
This is a technical leadership role requiring experience with cloud-hosted platforms. The successful candidate will be well-versed in implementing and optimising automated testing, deployment pipelines, and performance metrics like DORA. You will have an understanding of emerging technologies, enabling you to guide innovation and resilience across the platform.
You must have a proven track record of leading test engineering for large-scale platform operations or infrastructure products, ensuring stability, scalability and strategic alignment with organisational goals.
Main responsibilities for the Platfrom Test Lead:
Essential Skills:
It is desirable that you have:
Benefits
Alongside your salary, DBT contributes £17,991 towards you being a member of the Civil Service Defined Benefit Pension scheme.
If you would like to find out more about the role, the Platform Engineering team and what it’s like to work at DBT, we are holding a Hiring Manager Q&A session for this role where you can virtually ‘meet the team’ on Wednesday 25th February at 12.30pm. Follow the Apply button to book your spot on the advertisers site.
Lead Java Engineer (Hands-On) 80% Coding | Technical Leadership | Modern Platform Remote First (office visit once a month) - You must live within 1 hr 30 of South Manchester £70,000 - £85,000 + Bonus + Excellent Benefits \*\*My client is not able to provide Visa sponsorship We're working with a long-established tech company who are building modern platforms within a complex and meaningful domain. They've embedded Agile and XP practices across engineering, and they're now hiring a hands-on Principal Java Engineer to help lead delivery, raise standards, and support the growth of their teams. This is not an 'architect who doesn't code' role. The expectation is that you'll be around 80% hands-on, building software alongside the team. The Opportunity You'll work as part of a Scrum team delivering real product outcomes, while also contributing to the broader engineering direction. The hands-off element of the role includes: \*\*helping lead Scrum ceremonies and delivery \*\*mentoring and coaching engineers \*\*collaborating with other Principals and the Development Manager \*\*contributing to architectural decisions and technical direction It's a role for someone who still loves coding, but also enjoys influencing how teams work and how systems evolve. Tech Stack & Practices \*\*Java, Spring Boot \*\*TDD, pairing, strong automated testing culture \*\*CI/CD, continuous delivery mindset \*\*AWS (with a mix of approaches including serverless) \*\*Docker, Kubernetes \*\*Terraform / DevOps tooling AWS and DevOps exposure is very beneficial at Principal level - but they're not looking for a pure DevOps engineer. The core of the role is still Java engineering. What They're Looking For \*\*Deep, hands-on Java experience with strong engineering judgement \*\*Proven ability to influence standards and mentor engineers \*\*Comfortable balancing delivery with technical leadership \*\*Strong understanding of building maintainable, scalable systems \*\*Experience working in Agile teams with modern practices \*\*Bonus points for AWS, containerisation, IaC, etc. What's In It For You? \*\*Remote-first working with minimal office travel \*\*Clear scope: still hands-on, but with meaningful technical influence \*\*Strong salary, bonus and excellent benefits \*\*A collaborative, mature engineering culture \*\*Complex systems, long-term platform work, and real impact Interested? Apply now or get in touch for a confidential conversation. Even if you're not actively looking, it's a great time to explore what they're building. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
Senior Java Engineer Modern Stack | TDD & CI/CD | Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester £60,000 - £70,000 + Bonus + Excellent Benefits \*my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on, but they're looking for someone with the experience and maturity to: \*mentor other engineers \*lead by example \*contribute to good engineering practices \*help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: \*Java, Spring Boot \*TDD/automated testing \*CI/CD and modern delivery pipelines \*AWS (including serverless approaches in places) \*Docker, Kubernetes \*Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For \*Strong experience building Back End systems with Java & Spring Boot \*Comfortable working with TDD and modern engineering practices \*Experience delivering production software in Agile teams \*Someone who enjoys mentoring and helping others grow \*Collaborative mindset - pairing, code reviews, shared ownership \*Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? \*Remote-first working with minimal office travel \*Strong salary, bonus and excellent benefits \*A genuinely good engineering culture (not just "Agile" on paper) \*Meaningful work, complex systems, and long-term platform thinking \*Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the ground up using modern technologies and best practices. No legacy constraints. Just the freedom to architect scalable, robust, and future-proof solutions. Core Wealth Services forms the backbone of our investment platform, managing the essential business logic and processes that power wealth management operations. This domain handles critical financial workflows and regulatory compliance, ensuring secure and seamless experiences for millions of users. Our purpose is clear: to give people financial freedom. By joining us, you'll help deliver innovative, secure, and scalable solutions that make investing easier and more accessible for everyone. This is the future of HL. This is the future of investing. And you can be part of it. What You'll Be Doing Building and deploying scalable, fault-tolerant micro-services at pace, owning them end to end. Integrating with cloud applications, operating in a zero-trust, security-first environment. Delivering value iteratively, always focused on customer outcomes and short feedback loops. Creating and visualising application metrics to help understand usage patterns and anomalies. Reviewing code with peers, with an eye for both quality and velocity. Collaborating with other members in the team to solve problems, not just ship features. Innovating, bringing new ideas to the table for adoption throughout HL Digital. Contributing to technical decisions and shaping how we build our services. About You Experience building and deploying services with Java and Spring Boot. Comfort working in a cloud-native environment - Kubernetes (EKS), containers, scaling etc. An understanding of observability, using tools like Prometheus and Grafana to keep services healthy and understand usage patterns. Familiarity with some AWS services and how to integrate them into modern applications. A keen focus on quality and security, baking testing and scanning into CI/CD pipelines. Capable of writing clean, maintainable and well-tested code. Happy to review, share knowledge and learn from senior engineers within the team. Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve. Your Technical Toolkit Java (21) and Spring Boot AWS and cloud-native architecture RDBMS / NoSQL databases Event-driven and microservices architectures Containers (e.g., Docker, Kubernetes) CI/CD pipelines and DevOps principles TDD / BDD testing frameworks Salary & Package We offer a competitive, depending on experience, alongside a generous performance-based bonus scheme . Your total reward package includes: ?? Up to 19% pension contribution - helping you plan confidently for the future ?? A wide range of excellent benefits , from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way. Interview Process 3 Stage interview: Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we'll dig a bit more into some of your experiences, understand the processes you're familiar with and the technologies you've used to deliver end user value. Stage 2 - Technical (70mins): For the technical part, we'd like you to sit down with some of your potential peers to work through a coding solution. We'll be looking together at where a sample piece of code has issues and how we might address them. Stage 3 - Culture Fit (30mins): In our Cultural Fit section, we'll be looking to learn more about your past experiences, what keeps you motivated, where we may be able to help you improve further, key decisions you've helped to make and issues you've resolved. Working Schedule We're based in the stunning Paddington Central offices at 4 Kingdom Street , a modern workspace designed to energise your day and elevate collaboration. What Makes It Special? ?? Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups. ?? London's highest rooftop basketball court - yes, really! ? On-site café and bar with sweeping views across West London. ????? Wellness amenities including showers, lockers, hairdryers, and fresh towels. ?? Cyclist-friendly with secure bike storage and drying rooms. ??? Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats. ?? Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar. ?? Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line, with Heathrow only 30 minutes away. We embrace a hybrid working model that gives you the best of both worlds: 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer. Remote flexibility for deep focus, work-life balance, and personal productivity. This is a full-time role , working 37.5 hours per week , Monday to Friday. TPBN1\_UKTJ
Location: Cheltenham
Salary - £60,000 - £90,000 + excellent benefits + bonus
Clearance - Candidates must hold an active DV or eDV clearance.
This isn’t just another software engineering role-it’s an opportunity to be part of something bigger. As a Software Engineer, you’ll design, develop, and maintain critical infrastructure that powers essential services. You’ll tackle complex challenges, work with cutting-edge technology, and contribute to solutions that have real-world impact. Our client is looking for several Software Engineers and will consider candidates from Junior to Senior level.
What You’ll Do:
What You Bring:
Security Clearance: Candidates must hold an active DV or eDV clearance.
Ready to take on a role where your work truly matters? Apply now and be part of a team driving cutting-edge technology forward!
As an industry leading, nationwide Marketing, Digital, Analytics, IT and Design recruitment agency, we are continually receiving new assignments to work on, so keep a close eye on our website, Facebook, LinkedIn and Twitter pages for a full list of current permanent and interim opportunities as well as marketplace news and fun stuff.
Forward Role is operating as an employment agency.
Pay Rate: £500- £550
Duration 6 Months
Working Arrangement: Hybrid(2 days P/W onsite, Canary Wharf)
Tech Stack: Java, Angular
We’re supporting a major international financial institution on a large-scale procurement transformation programme. We’re looking for a hands-on architect who loves architecture but still enjoys getting into the code, shaping technical direction while close to delivery.
What You’ll Be Doing:
Essential
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
Main Purpose:
Maximo Operations Technicians are client facing professionals responsible for the provision of excellent customer service and reliable Root Cause Analysis techniques to identify the causes of incidents and problems regarding system configurations, customised applications, reports, data and hardware.
Specific Responsibilities:
Person Specification
The ideal candidate will be an analytical problem solver, with experience in IT Support in similar organisations. The individual should be able to demonstrate:
Skills & Personal Qualities Required:
Skills & Personal Qualities Desired:
Who are Naviam?
Naviam was founded to help businesses maximize the benefits of their software solutions over the lifecycle of their physical assets.
Today, Naviam is a leading IBM MaximoEnterprise Asset Managementpartner for asset intensive organizations worldwide. As one of the few Maximo partners providing Enterprise Asset Management(EAM) and Asset PerformanceManagement(APM) expertise across North America, Europe and Asia Pacific, we combine a local presence with global expertise to deliver tailored asset management solutions and trusted partnerships wherever you are on your maintenance journey. Our leadingNaviam Cloudplatform brings together best of breed solutions to future proof your modern business. We continue to grow our global footprint and were excited that youre interested in joining us!
Role Details
The RoleThis role sits within the Powertrain Charging Systems team, in the Charging Validation & Verification organizational unit. The role will focus on delivering data from tests in support of design release activity or technology advancement of electric vehicle charging infrastructure compatibility.The main activity for this role is to, as part of a team, prepare test facility or test parts with instrumentation which enables measurement of a wide range of charging system signals and variables, both on-board and external to the vehicle. In addition, this role will support the collection of data in a wide range of environments such as in a test facility, on public roads and proving grounds.The key outcome of this role is to help create a modern luxury seamless & stress-free charging experience for our customers.Your Responsibilities
Key Interactions
Your ProfileEssential Skills / Knowledge / Experience
Desirable Skills / Knowledge / Experience
Job Requirements Position description:
Responsible for architecting and implementing full end-to-end Teamcenter DevOps pipelines. The pipelines will deploy customized customer-specific solutions to running Teamcenter systems following industry-standard practices and innovative technology usage. The ideal candidate will have
Strong fundamental understanding of DevOps concepts and underlying core-components used in DevOps pipelines like Orchestrator, Artifact repository, Source code management etc.
Good familiarity and experience with DevOps pipeline orchestration tools like Jenkins, Bamboo, Azure DevOps etc.
General software architecture experience good understanding of software architectures, design-patterns, and standards. Familiarity with enterprise friendly software architecture aspects is another added advantage e.g. SSL, communications, firewalls, proxy usage etc.
Familiarity with Teamcenter software landscape and architectures is a must.
Experience with modern containerization technologies like Docker.
Experience with standard out-of-the-box DevOps tools like Nexus, JFrog, Maven, ANT etc.
Usage of command-line tools and automated/silent execution of DevOps tools.
Excellent scripting skills with modern scripting/programming languages, preferably Python or Ansible.
Prior experience with other TC DevOps solutions would be added advantage.
Work Experience Strong problem-solving skills and logical thinking ability.
Good aptitude and motivation for learning, including self-learning technical concepts. Candidate must be good in reviewing and learning official technical documentation for industry standard tools.
Familiarity and high level of confidence with at least one programming language, preferably Python or Java.
Good understanding of software architectures and communication protocols.
Good to have points:
Understanding of background services and automation skills.
Familiarity with command-line tools.
Basic understanding of containerization technologies, for example: Docker.
UK national with ability to get SC clearance
TPBN1_UKTJ
Technical Insight Specialist (R&D)
Location: Edinburgh, Scotland (EH3)
Salary: from £50,000 per Annum + PAYE Benefits
Contract: Full-time, Ongoing (Renewed Annually)
The Opportunity
Are you a PhD specialist with a passion for tracking the “Next Big Thing” in tech? Our client are recruiting for a Global Technology R&D Centre based in Edinburgh. We are looking for a Technical Insight Specialist to lead research on emerging technology trends, evaluate global industry shifts, and help steer the future direction of high-impact technical projects.
This is a rare bridge between deep academic research and commercial application, working alongside world-class engineering teams.
Key Responsibilities
Why Apply
How to Apply
If you are ready to turn your technical expertise into strategic impact, please send your CV and research portfolio (if any) to Maggie Kwong see below) ).
Project People is acting as an Employment Agency in relation to this vacancy.
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Adword:
Job title: Backend Java Developer
Duration: 4 months contract with a possibility of extension
Location: London 2 day a week Hybrid
Job description:
Looking for a Backend Java developer with 6+ years of experience in building and implementing large-scale systems across various projects and teams
Technical Skills:
Linux system experience
Java Backend development experience
AI experience is a must - we will be working on AI tooling as well
HTTP/networking
Google Cloud (preferred)/AWS Kubernetes
Github (Administration/Operations) Gitlab would be advantageous (if they don’t have Github)
Git expert
Data experience - would be helpful
If you’re excited about application security, identity management, and creating robust, secure solutions for modern architectures, we want to hear from you!
Please apply with a copy of your CV and let’s start the conversation!
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Java Low Latency Connectivity Developer
London 4 Days Office, Victoria Crytpo Exchange Connectivity / FIX
A specialist electronic trading firm is seeking a Java Low Latency Connectivity Developer to join a highly technical, performance-driven engineering team.
The business operates automated trading strategies across both traditional financial markets and crypto venues. Technology is central to performance, and connectivity to exchanges is a core competitive edge.
This is a hands-on role within a small, experienced team where engineers work directly on systems that impact live trading outcomes.
The Role
You will be responsible for designing, building and optimising exchange connectivity across multiple venues, with a strong focus on crypto markets.
Key responsibilities include:
Each exchange has its own architecture, API behaviour and performance characteristics. You will play a key role in ensuring reliable, high-performance connectivity across them.
What We Are Looking For
Exposure to high-performance libraries such as Aeron, Agrona, SBE or Artio is advantageous.
The Environment
This role is well suited to engineers who enjoy working close to the market, solving hard performance problems, and taking responsibility for exchange connectivity in a fast-moving environment.
Rate: 500 - 535 a day
IR35: Inside IR35
Location: Remote within the UK
Duration: Initially 6 months
Clearance: Active SC Clearance required
You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking for a back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service, re-platforming to Azure Kubernetes Service. You will have a solid understanding of modern deployment pipelines and DevOps principles. The role will require providing out of hours support (i.e. Monday to Saturday once per month).
As a Senior Software Engineer with a focus on back-end development, you will play a key role in designing, building, and evolving high-performance, server-side applications. Your responsibilities will extend beyond coding to include technical leadership, mentoring, and strategic input on technology decisions.
Key Responsibilities:
Essential
Lead Java Engineer (Hands-On) 80% Coding | Technical Leadership | Modern Platform Remote First (office visit once a month) - You must live within 1 hr 30 of South Manchester £70,000 - £85,000 + Bonus + Excellent Benefits \*My client is not able to provide Visa sponsorship We're working with a long-established tech company who are building modern platforms within a complex and meaningful domain. They've Embedded Agile and XP practices across engineering, and they're now hiring a hands-on Principal Java Engineer to help lead delivery, raise standards, and support the growth of their teams. This is not an "architect who doesn't code" role. The expectation is that you'll be around 80% hands-on, building software alongside the team. The Opportunity You'll work as part of a Scrum team delivering real product outcomes, while also contributing to the broader engineering direction. The hands-off element of the role includes: \*helping lead Scrum ceremonies and delivery \*mentoring and coaching engineers \*collaborating with other Principals and the Development Manager \*contributing to architectural decisions and technical direction It's a role for someone who still loves coding, but also enjoys influencing how teams work and how systems evolve. Tech Stack & Practices \*Java, Spring Boot \*TDD, pairing, strong automated testing culture \*CI/CD, continuous delivery mindset \*AWS (with a mix of approaches including serverless) \*Docker, Kubernetes \*Terraform/DevOps tooling AWS and DevOps exposure is very beneficial at Principal level - but they're not looking for a pure DevOps engineer. The core of the role is still Java engineering. What They're Looking For \*Deep, hands-on Java experience with strong engineering judgement \*Proven ability to influence standards and mentor engineers \*Comfortable balancing delivery with technical leadership \*Strong understanding of building maintainable, scalable systems \*Experience working in Agile teams with modern practices \*Bonus points for AWS, containerisation, IaC, etc. What's In It For You? \*Remote-first working with minimal office travel \*Clear scope: still hands-on, but with meaningful technical influence \*Strong salary, bonus and excellent benefits \*A collaborative, mature engineering culture \*Complex systems, long-term platform work, and real impact Interested? Apply now or get in touch for a confidential conversation. Even if you're not actively looking, it's a great time to explore what they're building. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
G
Graduate Software Developer (Cyber Security Focus)
Bristol Java, Python, C#, Object-Oriented Programming
About the Company
We are currently partnering with a global technology organisation that delivers cutting-edge cyber security and digital solutions to a diverse client base. Known for adding real value through innovative and secure technical systems, they are now looking to invest in a Graduate Software Developer, with full training and structured development provided.
This is an excellent opportunity to launch your career in cyber security-focused software engineering within a fast-growing and highly technical environment.
The Role
This role sits at the intersection of software development and cyber security consultancy.
You will work with a wide range of organisations, helping them strengthen their security posture by developing secure, scalable, and robust software solutions. You ll gain exposure to real-world cyber threats, secure coding practices, and enterprise-level security architecture.
The ideal candidate will be equally comfortable writing high-quality code and engaging in technical discussions around security risks, vulnerabilities, and implementation strategies.
There is clear and fast progression available for motivated individuals.
Key Responsibilities
Requirements
Salary & Benefits
If you’re passionate about writing secure code and building resilient systems that protect organisations from evolving cyber threats, this is a fantastic opportunity to kick-start your career.
Apply now to be considered.
We are recruiting for a Java Developer on contract to work for our client who is based in Bristol. The role/hours will be condensed into a 4 day week. (Monday - Thursday)
Experience of working in Java (10+ years ideally)
Experience in other languages such as Ada
Knowledge of DDS Middleware and Real Time Operating Systems
Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508
Overview of department:
Our team, at our Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability.
Responsibilities:
This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative.
Skillset/experience required:
IMPORTANT NOTE: The candidate will also need to be able to achieve or have SC clearance.