Mid-Level Java Engineer - Hybrid

USDC•Charlotte, NC

4d•Hybrid

About The Position

Genesis10 is seeking a Mid-Level Java Engineer for a hybrid role with a Global Financial Institution in Charlotte, NC. This is a 12+ month contract opportunity. The role is part of an ACH Payments Technology team and will focus on designing, developing, and maintaining high-performance API services, backend components, and integrations for an Automated Clearing House (ACH) payment origination platform. The position requires a hybrid schedule with at least 3 days per week onsite.

Requirements

5+ years of hands-on Java development experience
Strong expertise in Spring / Spring Boot, REST API development, and microservices
Mastery of multithreading, concurrency, and performance tuning
Experience with relational databases (Oracle, PostgreSQL, or SQL Server)
Experience building highly available, distributed backend systems
Familiarity with messaging systems (Kafka, MQ, or similar) and NDM file transfer
Knowledge of API security patterns (OAuth2, JWT, mTLS)

Nice To Haves

Payment domain knowledge (ACH, NACHA), payment file formats (PPD, CCD, CTX)
Familiarity with event-driven architectures
Excellent communication and documentation abilities
Ability to work in an agile, fast paced environment
Background in financial services, banking, or regulatory environments

Responsibilities

Design, develop, and maintain high performance API services and backend components
Create integrations that power an ACH (Automated Clearing House) payment origination platform

Benefits

Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
Behavioral Health Platform
Medical, Dental, Vision
Health Savings Account
Voluntary Hospital Indemnity (Critical Illness & Accident)
Voluntary Term Life Insurance
401K
Sick Pay (for applicable states/municipalities)
Commuter Benefits (Dallas, NYC, SF, and Illinois)