Lead or Staff level Java Engineers Required Java | Cloud | Event Driven Location: Belfast / Hybrid Type: Permanent | Full time Contact: Ryan Quinn on LinkedIn Company: OCHO Building Teams Overview We are hiring Senior and Mid Level Software Engineers to join a high performance engineering group building distributed, event driven financial systems at scale. You will work in a fast moving, product focused environment delivering high availability trading and payments platforms. Expect to design, build and optimise cloud native services with a strong emphasis on reliability, performance and secure engineering practices. Senior engineers must bring deep Java expertise. Mid level engineers are welcome from strong OO backgrounds with the ambition to build deep JVM capability on the job. What you will do Build and maintain cloud native distributed systems Engineer highly available, event driven architectures Develop JVM based services with a focus on performance and scale Optimise runtime behaviour and troubleshoot production workloads Contribute to system design, code reviews and engineering best practice Partner with product, platform and operations teams Ship reliable, secure, well tested software into production About you Senior Engineer essentials Strong commercial experience with Java and JVM performance optimisation Solid grounding in event driven architecture Experience building distributed systems Hands on AWS experience across ECS, Lambda, SQS, SNS, Kinesis or similar Mid Level Engineer essentials Strong foundation in object oriented development with Java, C#, Go or Python Desire to build deep JVM expertise with mentoring and support Understanding of cloud native systems and modern delivery practices Nice to have Exposure to financial systems or low latency engineering Experience in trading, payments, capital markets or fintech Knowledge of digital assets and crypto native systems What you will bring A mindset for performance, scale and clean engineering Curiosity, ownership and hunger to learn Ability to thrive in a fast paced, product driven culture Pragmatic problem solving and strong communication skills Why join Work on complex, globally scaled technology systems Learn directly from senior JVM and financial systems engineers Clear technical career pathways and mentorship Modern engineering culture with high autonomy and trust Interested? Send your CV or reach out to Ryan Quinn on LinkedIn to explore further. OCHO Building Teams Skills: Java AWS FinTech