Java Backend Engineer
Job details
- Posted
- Nov 2, 2026
- Last confirmed open
- Nov 3, 2026
About this role
- Job ID:
J53621
- Job Title:
Java Backend Engineer
- Location:
St Louis, MO
- Duration:
8 Months + Extension
- Domain Exposure:
Education
- Work Authorization:
US Citizen,Green Card,OPT-EAD,CPT,H-1B,H4-EAD,L2-EAD,GC-EAD
- Client:
To Be Discussed Later
- Employment Type:
W-2, 1099, C2C
Job Title: Java Backend Engineer
Location:St Louis, MO
Duration: 8 Months + Extension
Bill Rate: $79/hour
Job Type: C2C/1099 Contract
Work Authorization: USC, GC, H-1B, OPT-EAD, GC-EAD, H4-EAD
JOB SUMMARY
- Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST, SOAP), Spring boot, Spring MVC, Spring 4.0, Hibernate/JPA, API Gateway, Azure and Microservices.
- 7-12 years of experience desired in designing software solutions using software architecture design principles.
- Payment domain expertise and ability to drive the team, integrations, migrations, and create approach.
- Good to have experience in Angular, and front-end technologies.
- Understanding of Kafka, Integration patterns, Security standards, Concurrency and Multi-threading, Collections, PostgreSQL, Azure, Docker, Kubernetes
- Hands-on, high-energy, detail-oriented, proactive, and able to function independently under pressure.
- Strong Problem-Solving skills.
- Distributed systems (Databases, caches, microservices, message broker)
- API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract
- Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest
- Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock
- Static Code Analysis using SonarQube/Xcode Static Analyzer
- Hands on with Jenkins/PCF or similar tools for automated provisioning of build and test infrastructure.
- Troubleshooting with Splunk, API aids like Swagger/Postman and source control systems like Git
- Intermediate knowledge of Maven, Junit, Redis, Oracle database, SQL, Unix command, Shell scripting.
- Good to have exposure to Financial/Banking Domain, Frontend development, JavaScript, HTML5, CSS3, Bootstrap/Material UI, Angular.
- Good knowledge of tools like Sonar, Data-dog/Dynatrace, GIT, SVN, Rally/Jira, CI (Jenkin / Bamboo)/CD, Splunk
Strong communication skills * - both verbal and written – with strong relationship, collaborative skills, and organizational skills
- Proven experience in Agile methodology, SDLC, & implementation of Projects, debugging applications.
Equal Opportunity
Employer
We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs.
We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.