core java developer jobs in County of Cardiff

- Strong experience in .NET Core/ ASP.NET Core (Web APIs, microservices). - Expertise in AWS serverless services (Lambda, API Gateway, DynamoDB, S3, etc.). - Knowledge of DevOps practices and CI/CD pipelines. - Proficiency with Git and automated deployment strategies. - Experience with SQL/NoSQL databases (SQL Server, PostgreSQL, DynamoDB). - Familiarity with Docker and containerization. - Strong...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Java Developer – Product Engineering £60,000 – £90,000 | Remote-first (monthly meet-up in Midlands office) We’re working with a fast-growing software company that’s transforming how businesses manage complex financial workflows. Their AI-first platform helps customers simplify operations, increase transparency, and make smarter decisions — and they’re scaling quickly as demand grows. They’re...

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

Adobe Experience Manager (AEM) Tech Lead Java Engineer Location: Cardiff / Remote (1–2 days per week on-site) Contract Length: 6 months (starting ASAP) Day Rate: Up to £550 per day - OUTSIDE IR35 We are looking for an experienced AEM Tech Lead Engineer for a leading digital consultancy. The successful candidate will play a key role in leading the development of a complex digital platform,...

You will work closely with developers and QA engineers to ensure seamless automation, rapid feedback cycles, and high-quality software delivery. Key Responsibilities - Maintain and administer TeamCity servers and clients. - Design, configure, and maintain TeamCity build projects.

You will need to be a proactive individual who will relish the opportunity to work in a growing and evolving environment – a real opportunity to make an impact and grow your career. This is an excellent and rare opportunity to be exposed to the latest technologies and diverse industry and environment applications, please apply as soon as possible to arrange an initial and informal conversation,

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative,...

Technical Architect (AWS Java) Remote UK to £100k Are you a hands-on Technical Architect with strong Java coding skills and experience architecting and operating large scale systems on AWS? You could be progressing your career as a Technical Architect at a growing tech company that provide a range of IoT and Data solutions for the Emergency Services. As the Technical Architect you'll take...

Role – java tech lead Location – UK remote Mode: B2B Contract Core Skills Required: - Core Java - OOPs Concepts - Microservices / REST Services - Spring Framework (Spring 11/17) - Terraform / Ansible (Knowledge/Understanding) - UI Development (Angular) - Database Skills – SQL - Deployment Tools – Jenkins - Good Design & Architectural Approach

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About us: ScriptRunner is committed to...

Principal Java Developer – Fully Remote The Opportunity Ocho is partnering with a fast-growing, product-led fintech that’s building out a brand-new Development Centre from the ground up to deliver an innovative Greenfield payments platform. As a Principal Java Developer, you’ll be hands-on in designing and developing backend, service, and portal systems that power secure, scalable payment...

Do you enjoy building real-world software that gets shipped — then sticking around to make sure it actually works? Do you get satisfaction from solving production issues just as much as writing shiny new features? Looking for a role that’s Java through and through, with a supportive team and proper engineering standards? We’re working with one of our favourite clients, a software specialist...

Senior Java Developer required for a well-funded and ambitious tech business entering its next scale-up phase. This is a fully remote position paying up to £65K + benefits, with meaningful technical ownership, visibility, and genuine opportunity to grow into Tech Lead as the team expands. This is a CTO whose serverless architecture has previously been recognised by AWS; driving proven,...

Role: Senior Java Software Engineer (Back-end) Salary: £85,000–£100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is set to disrupt the sector and is...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for two Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...

Full Stack Engineer – Java | Digital Transformation Projects | Location: Hybrid Remote (occasional ad-hoc travel to client offices dependant on where you are based. London/Glasgow/Newcastle/Manchester.) Type: Permanent | Full-Time Sector: Digital Consultancy / Public Sector / Private Sector Budget: £55,000 + benefits Are you a passionate Full Stack Engineer looking to apply your skills in...