Senior Java Developer (Low-Latency Payments Systems)

Java Developer focuses on develop, and optimize low-latency, high-throughput backend systems using core java and springboot.

What the role involves

• Develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot.
• Maintain RESTful APIs and microservices that power secure payment workflows.
• Monitor, and scale applications in Red Hat OpenShift and AWS cloud environments.
• Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management.
• Collaborate with DevOps, Product, and QA teams to ensure production-grade solutions.
• Driving performance tuning, fault tolerance, and observability improvements across services.

Skills and requirements

• 5+ years of experience in Core Java development with a focus on performance and memory optimization.
• Proven experience with low-latency, high-throughput applications (sub-millisecond response times a plus).
• Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
• Solid understanding of MongoDB and NoSQL design patterns.

Candidate fit

• technical problem-solving, code quality, testing discipline, and clear collaboration

Additional role context

• We are a fast growing business and technology consultant company co-founded in 2019.
• With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some of the industry’s leading companies, our global talent has he.
• This hybrid role is based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies.