Java Developer (Backend) - Senior

Techstra Solutions•Pittsburgh, PA

19h•Onsite

About The Position

Leads in the overall design of cross-functional, multi-platform, and Web-based application systems; oversees all application system processes. Develops application architecture and blueprints aimed at reflecting enterprise business logic. Defines application components, platforms, interfaces, and development tools. Directs mapping activities on specific technology platforms.

Requirements

6-8 years of experience required.
Java (21)
Spring
Spring Boot
DB (RDBMS or No SQL)
Flowable/Camunda
Microservices
event streaming (Kafka/any other queueing)
IDE installed for coding exercise.
Spring Batch
Angular.
Communication skills (both tech and business)
design work.
Strong Java development experience (primary requirement) v17/v21
Spring Boot expertise

Nice To Haves

Master's degree preferred.
Java 21/Spring
Oracle
No-sql DB
Kafka
DevOps CI/CD
Git
Flowable or any BPMN tool

Responsibilities

Design and implement backend services, APIs, and integrations.
Apply sound system design principles for performance, scalability, reliability, and security.
Write clean, efficient, and testable backend code following best practices.
Optimize data access and service performance; troubleshoot complex backend issues.
Ensure data consistency, proper error handling, and robust service communication.
Design and consume REST or between frontend API based interfaces and backend systems.
Ensure clear API contracts, proper versioning, and backward compatibility.
Work closely with other teams on service integrations and shared data flows.
Write high-quality, readable, and maintainable code across the stack.
Perform thorough code reviews and provide constructive feedback to peers.
Champion best practices in testing, documentation, and refactoring.
Balance feature delivery with managing and reducing technical debt.
Implement automated tests across frontend and backend layers.
Participate in debugging and resolving production issues.
Ensure applications meet nonfunctional requirements such as performance, resilience, and security.
Contribute to post-incident analysis and continuous improvement efforts.
Collaborate effectively with product managers, designers, QA, DevOps, and other engineers.
Clearly communicate technical designs, risks, and tradeoffs to both technical and nontechnical stakeholders.
Participate actively in sprint planning, estimation, and delivery commitments.
Mentor junior and midlevel engineers through code reviews, design discussions, and guidance.
Act as a role model for engineering best practices and professional behavior.