Senior Java Backend Engineer - Onsite Banking & Microservices

Ascendion; New York (NY); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) retirement plan

Life insurance

Long-term disability insurance

Short-term disability insurance

Paid parking/public transportation

Job summary

Ascendion is seeking a highly skilled Java Developer to join our banking-focused backend team in New York. You will design, build, and maintain scalable microservices with Java, Spring Boot, and AWS cloud technologies.

You will work on relational databases (Aurora PostgreSQL), containerized deployments using ECS, and infrastructure with Terraform, collaborating across teams to deliver robust enterprise solutions for Fortune 500 clients. Onsite in Manhattan or Jersey City.

Qualifications

• 7+ years of professional software development experience.
• Strong hands-on experience with Java, Spring Boot, and Microservices.
• Experience with relational databases, preferably Aurora PostgreSQL.
• Strong understanding of AWS cloud services.
• Hands-on experience with ECS and Terraform.
• Experience building distributed applications in production environments.
• Strong problem-solving, communication, and collaboration skills.

Responsibilities

• Design, develop, and maintain scalable backend services using Java, Spring Boot, and Microservices architecture.
• Develop and optimize applications leveraging Aurora PostgreSQL and relational database design principles.
• Deploy, manage, and support cloud-native applications on AWS.
• Utilize ECS and Terraform for container orchestration and infrastructure automation.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Participate in code reviews, testing, troubleshooting, and performance optimization initiatives.
• Contribute to system design discussions and architectural decisions.

Skills

Java

Spring Boot

Microservices

AWS

ECS

Terraform

Aurora PostgreSQL

Relational Databases

Problem Solving

Tools

Terraform

ECS

Job description

Ascendion is seeking a highly skilled Java Developer to join our banking-focused backend team in New York. You will design, build, and maintain scalable microservices with Java, Spring Boot, and AWS cloud technologies.

You will work on relational databases (Aurora PostgreSQL), containerized deployments using ECS, and infrastructure with Terraform, collaborating across teams to deliver robust enterprise solutions for Fortune 500 clients. Onsite in Manhattan or Jersey City.