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Senior Software Engineer – Java, Boot, Kafka

Job in Upper Darby, Delaware County, Pennsylvania, 19082, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-07-20
Job specializations:
  • Software Development
    Backend Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 90000 - 130000 USD Yearly USD 90000.00 130000.00 YEAR
Job Description & How to Apply Below
Position: Senior Software Engineer – Java, Spring Boot, Kafka
Location: Upper Darby

Responsibilities

  • Design, develop, and maintain end‑to‑end application features across frontend and backend layers
  • Build scalable, maintainable solutions using modern frontend frameworks and backend technologies
  • Translate business and product requirements into well‑designed technical implementations
  • Take ownership of features throughout their lifecycle—from design to production support
  • 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 API‑based interfaces between frontend and backend systems
  • 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
  • Implement automated tests across frontend and backend layers
  • Participate in debugging and resolving production issues
  • Collaborate effectively with product managers, designers, QA, Dev Ops, and other engineers
Requirements
  • 3+ years of relevant / direct industry experience
  • Bachelor's degree
  • Knowledge of Apache Kafka, Application Development, Business Management, Customer Solutions, Design, Group Problem Solving, Java, Microservices Architecture, Process Improvements, Release Management, Software Solutions, Spring Boot, User Experience (UX) Design
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Position Requirements
10+ Years work experience
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