Java AWS Software Engineer
3Core Systems — Analytics and tech consulting
About the role
Job Title: Senior Java AWS Engineer Location: White Plains NY, 4 Days a week onsite, they can pick the day they want to be remote. Duration: 1 Year - 2 years CONTRACT 1) Candidate will need to do a technical test that we administer on Java / 80% to move forward for interview 2) 1st round Video with hiring manager 3) 2nd round onsite coding assessment and offer Position Summary: The Senior Java Developer will be a part of the transformational journey to deliver a best systems to support client’s business lines, across all channels. The role of the Senior Developer is to collaboratively drive the development and support of our critical business systems for the Client, including internal and external systems. This role requires deep technical knowledge of high volume and highly transactional systems Organizational Relationships: Collaborate with Product Owners, QA, PMO, DevOps and other developers to define requirements, design, and develop the web application. Job Responsibilities: • Analyze, design and develop application solutions and enhancements that meet requirements • Ensure adherence to programming and enterprise architectural standards • Complete work assignments and perform appropriate follow up to ensure that tasks are completed on time • Collaborate with product owners, application users, creative team and other developers to define requirements, design, and develop the web application • Assist in the rollout of new applications, problem fixes, and enhancements of software • Support configuration management and deployments of code and configuration items across environments to production • Create consistent and accurate technical and end-user documentation of implemented applications • Support the QA team on automation and other scripting requirements Qualifications: • Undergraduate degree in computer science, engineering or similar field (or equivalent experience). • 5+ years of experience developing mission critical and high throughput systems • Experience building services utilizing Core Java with frameworks such as Spring Boot, Spring MVC and Apache Camel • Experience working with relational databases, e.g. MS SQL Server, MySQL, Aurora • Experience with source controls such as GIT and SubVersion • Experience producing and consuming SOAP/REST Web Services • Application performance tuning and optimization. • Analytical, problem-solving mindset. • Self-driven with minimal supervision. • Experience working on a production-critical system.
What the index says about this role
- First seen by JobLarper — Aug 2, 2026, 5 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
- No pay range in our index for this listing. Across 1,685 indexed Software Engineer roles in US that do publish one, the middle half sits between $185k and $285k, median $225k — JobLarper's read of the market, not a figure from 3Core Systems.
- What Software Engineer roles ask for — across 10,230 indexed openings: REST/APIs (46%), Backend (42%), Cloud (38%), Python (38%), Go (25%). This posting names REST/APIs, Cloud, Frontend.
- 3Core Systems is hiring actively — 18 open roles indexed.
Derived from the 27,000 roles JobLarper indexes daily from official company boards — not from the job description above.
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