Application Programmer

USDC•Proxy, TX

7h•Hybrid

About The Position

Genesis10 is seeking a Mid-Level Java Engineer for a 12+ month contract position with a Global Financial Institution. The role involves designing, developing, and maintaining high-performance API services, backend components, and integrations for an ACH payment origination platform. This is a hybrid position requiring a minimum of 3 days per week onsite.

Requirements

5+ years of hands-on Java development experience
Strong expertise in Spring / Spring Boot
Strong expertise in REST API development
Strong expertise in 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)
Familiarity with NDM file transfer
Knowledge of API security patterns (OAuth2, JWT, mTLS)

Nice To Haves

Payment domain knowledge (ACH, NACHA)
Knowledge of 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
Develop backend components and integrations
Support an ACH 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)