RE Partners
Senior Java Developer (Low-Latency Payments Systems)
RE Partners, New York, New York, us, 10261
Senior Java Developer (Low‑Latency Payments Systems)
We are a fast‑growing business and technology consulting firm that custom‑tailors engineering solutions to Fortune 500 clients. We are seeking an experienced and opinionated Java Developer to join our high‑performing engineering team, working on low‑latency, high‑throughput systems in the payments processing domain. The role is hybrid and based in the UK or US, offering opportunities to build scalable, real‑time services with modern technologies.
Key Responsibilities
Design, develop, and optimize low‑latency, high‑throughput backend systems using Core Java and SpringBoot.
Build and maintain RESTful APIs and microservices that power secure payment workflows.
Work with XML‑based messaging standards and protocols commonly used in financial transactions.
Deploy, 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.
Participate in architectural discussions, advocate for best practices, and provide mentorship to peers.
Drive performance tuning, fault tolerance, and observability improvements across services.
Required Skills & Experience
5+ years of experience in Core Java development with a focus on performance and memory optimization.
Proficient in SpringBoot and microservice‑based architecture.
Proven experience with low‑latency, high‑throughput applications (sub‑millisecond response times a plus).
Experience working with XML and message parsing/transformation.
Hands‑on experience deploying applications on Red Hat OpenShift and/or Kubernetes.
Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
Solid understanding of MongoDB and NoSQL design patterns.
Prior experience in Payments Processing, financial services, or banking systems.
Strong communication skills and a bias toward action and opinionated design decisions.
Nice to Have
Familiarity with messaging systems (Kafka, RabbitMQ, etc.)
Exposure to container security and performance tuning on OpenShift.
Knowledge of payment gateways, ISO 20022, or SWIFT formats.
We invite you to apply for the position at RE Partners and contribute to shaping the future of business technology consulting.
Equal Opportunity Employer We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.
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Key Responsibilities
Design, develop, and optimize low‑latency, high‑throughput backend systems using Core Java and SpringBoot.
Build and maintain RESTful APIs and microservices that power secure payment workflows.
Work with XML‑based messaging standards and protocols commonly used in financial transactions.
Deploy, 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.
Participate in architectural discussions, advocate for best practices, and provide mentorship to peers.
Drive performance tuning, fault tolerance, and observability improvements across services.
Required Skills & Experience
5+ years of experience in Core Java development with a focus on performance and memory optimization.
Proficient in SpringBoot and microservice‑based architecture.
Proven experience with low‑latency, high‑throughput applications (sub‑millisecond response times a plus).
Experience working with XML and message parsing/transformation.
Hands‑on experience deploying applications on Red Hat OpenShift and/or Kubernetes.
Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
Solid understanding of MongoDB and NoSQL design patterns.
Prior experience in Payments Processing, financial services, or banking systems.
Strong communication skills and a bias toward action and opinionated design decisions.
Nice to Have
Familiarity with messaging systems (Kafka, RabbitMQ, etc.)
Exposure to container security and performance tuning on OpenShift.
Knowledge of payment gateways, ISO 20022, or SWIFT formats.
We invite you to apply for the position at RE Partners and contribute to shaping the future of business technology consulting.
Equal Opportunity Employer We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.
#J-18808-Ljbffr