Eliassen Group
Back-End Engineer
Skills
3 months ago
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Important information
Contract type:
Freelance / Contract
Location:
Jersey City, NJ, USA
Work mode:
Onsite
Published on:
7 August 2026
What they need
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.
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