Cloud Java Backend Engineer – Distributed Data Platforms
Location: Jersey City, New Jersey
Locals Preferred –
In person interview
Open for W2 only- No c2c/1099 or third party resumes
Due to the nature of the role client is only accepting
USC/GC /GC EAD only no other visas accepted.
Job
Overview
We are
seeking a hands-on Java Backend Engineer to build and enhance a cloud-hosted
distributed data platform. The platform currently uses Apache Cassandra and
gRPC APIs and is expanding to support additional data technologies, including
OLAP databases, vector databases, and graph databases.
The ideal
candidate will have strong Java and Spring Boot skills, experience with
gRPC-based services, practical AWS knowledge, and a performance-focused
approach to building scalable, low-latency backend systems. Experience
optimizing P90/P99 latency is particularly valuable.
Required
Qualifications
- 10+ years of Strong Java and Spring Boot development experience.
- Hands-on experience with gRPC services and API integrations.
- Practical Apache Cassandra experience, including data modeling and
query performance.
- Experience with AWS ECS, Lambda, and Step Functions.
- Strong understanding of distributed systems and scalable backend
application design.
- Experience with performance engineering, latency optimization, and
production troubleshooting.
- Strong data structures, algorithms, and coding skills.
- Ability to explain technical decisions and system design clearly.
Preferred
Qualifications
- Experience with OLAP databases.
- Exposure to vector databases and AI-enabled data platforms.
- Experience with TigerGraph or other graph databases.
- Experience supporting high-throughput, low-latency applications in
production environments.
Skills Required
- 10+ years of strong Java and Spring Boot development experience
- Hands-on experience with gRPC services and API integrations
- Practical Apache Cassandra experience, including data modeling and query performance
- Experience with AWS ECS, Lambda, and Step Functions
- Strong understanding of distributed systems and scalable backend application design
- Experience with performance engineering, latency optimization, and production troubleshooting
- Strong data structures, algorithms, and coding skills
- Ability to explain technical decisions and system design clearly
- Experience with OLAP databases
- Exposure to vector databases and AI-enabled data platforms
- Experience with TigerGraph or other graph databases
- Experience supporting high-throughput, low-latency applications in production environments
What We Do
SCI Solutions Global LLC is a U.S.-based technology consulting and talent-solutions company. It provides digital-transformation services, IT project-delivery support, skilled technology professionals, and scalable software solutions to businesses ranging from startups to large enterprises. The company helps clients address technology challenges, build high-performing teams, and improve business outcomes through tailored consulting, staffing, systems, and software expertise across multiple industries and technology disciplines.









