Demo

Back-End Engineer

Eliassen Group
Jersey, NJ Contractor
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/14/2026
Description

Hybrid 4 days on-site in Jersey City in Jersey City, NJ

Our client seeks a senior back-end engineer to build scalable data services in Java and modernize critical custody systems. The role requires expertise in Spring-based microservices, distributed cloud services, and distributed data platforms. You will collaborate with product, quality, and cross-functional teams to solve design and architectural challenges and leverage open-source technologies.

We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $90.00 to $85.00/hr. w2

Responsibilities

  • Design and develop scalable back-end data services using Java frameworks.
  • Work within Agile methodology and share software development best practices with the team.
  • Collaborate with product owners, quality engineers, and cross-functional teams to deliver solutions and resolve design and architectural challenges.
  • Leverage open-source technologies to meet business needs.
  • Contribute to the modernization of a custody system with financial market impact.

Experience Requirements

  • 12 years of software development experience.
  • Proven commercial experience with Java.
  • Strong knowledge of Spring, Spring Boot, Lombok, JUnit, and Swagger.
  • Experience building microservices.
  • Experience with distributed cloud services, preferably Azure.
  • Experience with distributed data technologies such as Kafka, MQ, or Spark.
  • Experience designing and integrating REST and GraphQL APIs.
  • Working knowledge of relational and in-memory databases including Oracle and Redis.
  • Familiarity with Angular (preferred).
  • Hands-on experience with Snowflake (preferred).
  • Proficiency in an additional programming language such as Python, C , or Groovy (preferred).
  • Experience with CI/CD tools such as Jenkins, Harness, Ansible, and Docker (preferred).
  • Investment industry knowledge (preferred).

Education Requirements

  • BS degree in Computer Science or Engineering.

Salary : $85 - $90

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