Java Engineer – Cloud (GCP or AWS) | Scalable Systems | Product Environment Are you a Java engineer who thrives on building scalable, cloud-native systems? Want to make a tangible impact on modern product development in a fast-moving team? My client is looking for a Java Engineer with strong experience in … testing, and resilience of services. Take ownership of cloud infrastructure components using GCP or AWS services. Essential Skills and Experience: Strong commercial experience with Java (Java 11 or newer) . Hands-on experience with GCP or AWS , including services such as Cloud Run, Pub/Sub, BigQuery, S3, Lambda, or … with CI/CD pipelines, containerisation (Docker), and infrastructure-as-code tools (e.g., Terraform, CloudFormation). Desirable: Experience with Spring Boot or other modern Java frameworks. Exposure to event-driven architecture or messaging systems (Kafka, Pub/Sub). Familiarity with Kubernetes and cloud security best practices. Why Join? Work More ❯
Proven experience in a Data Engineering or Software Engineering role with a strong data focus Proficient in at least one programming language (e.g. Python, Java, Go) Cloud experience (preferably Azure, though AWS or GCP also valuable) Solid grasp of SQL and experience handling large data sets Familiarity with ETL tools More ❯
expertise to encourage their development and strengthen the team's overall skillset. Skills Profile Strong command of JVM-based languages, with openness to Kotlin, Java, Scala, or Groovy. Experience delivering scalable, production-quality software solutions end-to-end. Focused on outcomes, with practical experience in service-oriented and microservices architectures. More ❯
Skills 3+ years Post Grad Engineering experience Ability/want to work with various technologies across multiple projects Some of these – React, Angular, AWS, Java, C#, .NET Proven experience of working in a small team Excellent communication skills About You You’re the right match if you: Thrive as a More ❯
world problems. Help shape engineering practices and mentor junior developers. Collaborate with a remote-first, high-performing team across time zones. Tech Stack: Kotlin, Java (or other JVM), Spring Boot, GCP, Kubernetes, Docker, Kafka, PostgreSQL, MongoDB, CI/CD pipelines. Experience in Go, Python, or C# also welcomed. What You More ❯
Senior Java Developer (Architecture Experience) - £80,000 + Bens Synechron is a global consultancy Laser-focused on accelerating digital initiatives in financial services. With over 14,500 members of staff across 19 countries and a unique mix of end-to-end digital, business and technology services, we help clients solve … driven approach, our clients come to us with problems that need genuine thought, intelligence and knowledge. We are looking for a hands-on Senior Java Developer with some architectural experience to join our growing team in Belfast. You will be part of a global dynamic team building in-house systems … the prod support on any issues and taking it to logical closure with actions. Design - Develop and implement high-level architecture and design for Java-based applications, ensuring scalability, performance, and security. Documentation - Create comprehensive design documentations, walkthrough the same with the team SMEs , arrive on an option and take More ❯
Work-From-Home Learning + Development budget Free lunch Tuesdays What do you need? 5 + years experience in Backend engineering 5 + years Java and AWS Bonus - Kotlin Get in touch today for a confidential conversation - you won't be disappointed More ❯
Engineer , you will: Design and deploy production data pipelines from ingestion to consumption within a big data architecture. Work with technologies such as Python, Java, Scala, Spark, and SQL to extract, clean, transform, and integrate data. Build scalable solutions using AWS services like EMR, Glue, Redshift, Kinesis, Lambda, and DynamoDB. More ❯
are we looking for? Experience in the design and deployment of production data pipelines from ingestion to consumption within a big data architecture, using Java, Python, Scala, Spark, SQL. Experience performing tasks such as writing scripts, extracting data using APIs, writing SQL queries etc. Ability to closely with other engineering More ❯
digital product environment where your skills will directly impact high-quality solutions for well-known clients. The client I'm partnered with are hiring Java Engineers who thrive in collaborative teams and love solving technical challenges. What You’ll Do: Build scalable, high-performance microservices using Java & Spring Boot Design … cross-functional teams on technical design Work with modern tooling (CI/CD, containers, AWS, automated testing) What You’ll Bring: 3+ years of Java experience (Spring Boot) Some grasp of cloud services (AWS preferred) Experience in areas like TDD, performance testing, or Kubernetes A proactive mindset and passion for More ❯
MCS Group | Your Specialist Recruitment Consultancy
to be working with an innovative, rapidly scaling technology organisation whose products are used globally across many industries in their search for a Principal Java Developer. The Principal Java Engineer will join an existing, scaling software engineering team to take on responsibility for the a specific function of their core … role which will encompass development, architecture and the mentoring and coaching of junior software engineers This is a fantastic opportunity for an experienced Principal Java Engineer to join a small, yet hugely successful team headed up an incredibly passionate Head of Engineering. You'll get the chance to work on … to scale significantly in 2025 and beyond. The Role: The Principal Engineer will lead the design and architecture of complex, high-scale applications using Java and AWS . Yiu'll set engineering best practices and drive adoption of cloud-native solutions. You'll collaborate with cross-functional teams (interfacing with More ❯
low latency pre-trade credit component we deliver a performant, cost effective solution to your eFX needs. Role Lucera Financial Infrastructures is hiring a Java Software Engineer for our Belfast office to work on our core infrastructure as a service platform, used by some of the top names in financial … pick up new technologies Background in taking products from design right through to delivery Strong sense of writing quality maintainable code Commercial experience in Java (8+) Use of Micronaut/Spring (or equivalent) Frameworks Developing against Relational and NoSQL Database (MongoDB, Postgres etc) Experience with unit testing methodologies and frameworks More ❯
Senior Java Engineer – Core Java, Algo, Distributed Systems Location: Belfast – 2/3 days per week needs to be possible (only considering candidates in NI) Type: Contract Industry: Investment Banking Duration: ASAP – long term (12 months to start with extensions) We’re seeking Senior/Lead Java Engineers to join … systems that support trading across Equity Swaps, Delta One, and Prime Brokerage. While low-latency expertise is not essential, a deep command of Core Java and algorithmic/data structure proficiency is critical to succeed in this complex and performance-sensitive environment. Key Responsibilities: Design and enhance trading engines for … microservices architecture , and contribute to distributed system designs. Lead database migrations from legacy systems (e.g., Sybase , DB2 ) to modern platforms. Required Skills: Strong Core Java expertise, with a focus on performance tuning and optimisation . Solid understanding of algorithms , data structures , and concurrent distributed environments . Proven experience with MongoDB More ❯
MCS Group | Your Specialist Recruitment Consultancy
whose innovative products are making a true impact across multiple industries. As the business continues to scale, they're now looking for a Senior Java Engineer to take a key role in shaping the evolution of their core platform. This is the perfect opportunity for a Senior Software Engineer with … What You'll Be Doing Take ownership of a key function within the company's core software platform, designing and architecting scalable, cloud-native Java applications. Lead by example in adopting best practices and modern development approaches. Collaborate across disciplines, particularly with product teams and hardware engineering, to deliver robust … Stay curious and forward-thinking-continuously evaluate and improve the tech stack and development processes. What You'll Bring Deep hands-on experience with Java (latest versions) and Spring Boot in a microservices environment. Strong background in AWS (Lambda, ECS, DynamoDB, S3, etc.) and cloud-native architecture. A track record More ❯
MCS Group | Your Specialist Recruitment Consultancy
roots, this organisation partners with a range of well-known clients while also operating their own internal product arm. They're currently seeking skilled Java Developers to join their close-knit, collaborative team. This client is a leader in digital innovation, dedicated to leveraging technology to deliver meaningful outcomes and … no two projects are ever the same, and every day brings fresh opportunities to learn and grow. The Ideal Candidate Strong commercial experience with Java and Spring Boot Knowledge of AWS and container orchestration tools such as Kubernetes is highly desirable Exposure to front-end frameworks like React.js or Vue.js More ❯
a relevant field. 10+ years in application and enterprise architecture roles. Proven experience designing SaaS-based systems and external-facing APIs. Proficiency in .NET, Java, or similar languages, with a broad technical skillset spanning frontend and backend development. Strong understanding of systems integration, middleware, caching, databases, and web performance optimisation. More ❯
Staff Software Engineer – Java/Python | AWS | Product Environment MUST BE BASED IN NORTHERN IRELAND NO VISA APPLICATIONS Are you ready to shape the technical direction of high-impact software products? Do you thrive in an environment where engineering excellence and product innovation go hand in hand? My client is … technology team. You’ll play a pivotal role in the design, development, and delivery of scalable cloud-native systems, using your deep experience in Java or Python and AWS to influence architectural decisions and mentor other engineers. Key Responsibilities: Drive the design and development of robust, scalable, and maintainable software … for cloud architecture, DevOps, and security in an AWS environment. Essential Skills and Experience: Proven track record in software engineering with strong expertise in Java and/or Python . Deep experience with AWS and building cloud-native applications (e.g., Lambda, ECS, S3, RDS, CloudFormation). Experience working in product More ❯
Software Architect ( Java or .Net) • Salary: Up to £95,000 + 9% Bonus About the Company: This fast-growing fintech organisation is revolutionising the merchant payment space by developing secure, scalable, and high-performing platforms. Their mission is to radically and responsibly deliver value through merchant-first capabilities built by … Criteria: • 10+ years’ experience in enterprise architecture and software engineering • Proven success designing scalable SaaS platforms and API-based architectures • Deep experience with .NET, Java, or comparable backend language stacks • Expertise in cloud-hosted applications (Azure and/or AWS) • Familiarity with HTML, CSS, JavaScript, XML/XSLT, SQL, caching More ❯
MCS Group | Your Specialist Recruitment Consultancy
MCS Group is currently recruiting for a skilled and driven Java or Python Developer with solid experience in AWS to join an exciting and innovative company that's disrupting its industry. This is an excellent chance to work on a truly impactful platform, perfect for someone who is self-motivated … intricate relationships between multiple data sources - many of which are highly complex and large in scale. The Person Solid commercial experience in Python andor Java development Excellent SQL skills Strong knowledge of AWS, particularly ECS and Lambda Previous experience with Terraform and CI/CD tooling Confident handling large, complex More ❯
Role: Software Engineer/Java Developer Location: Belfast Type: Contract Job Description: Required: - Extensive expertise in Java development. - In-depth knowledge of various SQL dialects, including PostgreSQL, MySQL, and Snowflake, along with experience in developing or enhancing SQL transpilation engines. - Proficient in architecting versioned APIs, ensuring backward compatibility, and maintaining … query planning and optimization strategies, particularly within federated or heterogeneous data environments. If you are ready to take on a challenging role as a Java Developer, please share your resume. We look forward to hearing from you! Regards Anita More ❯
