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Senior Java Developer

Technology
S Base Technologies
Pennsylvania, United States1 month agoUntil 11/12/2026

Job description

Need: Senior Java Developer

Must be able to work on Client's W2 - must be a US Citizen or Green Card Holder.

Location: 4 days on-site in Pittsburgh

-Must be local to Pittsburgh currently.

Candidate Pay Rate: $75 per hour W2

Pass Through Rate: $10 per hour

Timeline: Immediate Fill

Client Name: BNY Mellon

Client Industry: financial services

Interview: On-site ( Mandatory )

Job Description below

Full-Stack Developer

We're seeking a seasoned Full-Stack Developer to join our team. This role is ideal for a hands-on Java engineer who enjoys working across backend and frontend layers, building scalable microservices, and solving complex technical problems in a fast-paced, global environment.

You'll partner closely with architects and engineers to design, build, and deliver resilient, high-performing systems while helping evolve our technology standards and development practices.

What You'll Do

  • Design, develop, and maintain Java / Spring Boot microservices, contributing across both backend and frontend components.
  • Analyze business requirements and translate them into well-architected technical solutions.
  • Take full ownership of features from design through development, testing, and production support.
  • Collaborate with architects on system design, prototyping, and technical decision-making.
  • Build scalable, high-availability services with a strong focus on performance, resiliency, and workflow optimization.
  • Participate in code reviews, debugging, and production issue analysis, including tracing logs across distributed microservices.
  • Apply best practices around authentication, concurrency, multithreading, and data structures to solve real-world problems.
  • Research and evaluate new tools, frameworks, and technologies—including AI-assisted development tools—to improve delivery and system quality.
Required Qualifications
  • 7+ years of professional software development experience
  • Strong expertise in Java, Spring Boot, RESTful APIs
  • Experience with microservices architecture and distributed systems
  • Solid understanding of relational databases (Oracle or similar)
  • Hands-on experience with Hibernate, JPA, and Spring frameworks
  • Strong knowledge of object-oriented design patterns and core Java concepts (collections, HashMaps, threading, transactions)
  • Experience tracing and debugging issues in non-sequential, high-volume transactional systems
Preferred / Nice-to-Have Skills
  • Frontend experience with Angular (any modern version), React, or JavaScript
  • Experience with AG Grid and data visualization or charting libraries
  • Familiarity with Big Data technologies (Hadoop, Spark, Hive, HBase)
  • Experience in Agile environments and SDLC tooling (Maven, Jenkins, Git)
  • Automated testing experience using JUnit, Mockito, Selenium, Cucumber
  • Exposure to AI tools used for development productivity, testing, or analysis

Interested in this role?