Senior Java Backend Engineer

Overview

On Site
Full Time

Skills

Boost
Management
DevOps
Mentorship
Scalability
Network Layer
Production Support
Backend Development
Spring Framework
RESTful
Caching
Redis
Memcached
Streaming
Apache Kafka
PostgreSQL
Database
Systems Design
Performance Tuning
Java
MongoDB
Google Cloud
Google Cloud Platform
Python
SAP BASIS
Law
IT Service Management
Innovation
Collaboration
Recruiting
Insurance
Finance
Professional Development
Training
Leadership
CompTIA
Customer Service
Career Counseling
Oracle Application Express
Apex

Job Details

Job#: 2070904

Job Description:

Job Description:
  • Design, develop, and maintain distributed backend services using Java and Spring Boot.
  • Build high-performance, scalable REST APIs that serve mobile and web clients.
  • Architect and implement large-scale distributed systems to handle high-throughput workloads.
  • Integrate and optimize caching strategies (e.g., Redis) to reduce latency and boost performance.
  • Implement and manage streaming data pipelines using tools like Kafka.
  • Collaborate with DevOps, frontend, and product teams to ship features reliably.
  • Write clean, well-tested code and perform regular code reviews.
  • Write unit, integration, and performance tests to ensure high code quality.
  • Participate in code reviews and mentor junior engineers.
  • Ensure performance, security, scalability, and maintainability across services.
  • Contribute to architectural decisions and help evolve best practices.
  • Participate in daily Stand-up
  • Participate in production releases.
  • L3 Production support.
    Requirements:
  • 5+ years of backend development experience with Java.
  • Working knowledge on Spring Webflux, Vertx. The candidate must be willing to learn these technologies if haven't work on these because they are heavily used in our code.
  • Deep hands-on knowledge of Spring Boot and the broader Spring ecosystem.
  • Strong experience with REST API design and implementation.
  • Proven expertise building distributed applications at scale.
  • Practical experience with caching solutions like Redis or Memcached.
  • Experience working with streaming platforms such as Apache Kafka.
  • Proficiency with MongoDB and PostgreSQL or other modern database systems.
  • Knowledge of system design, architecture patterns, and performance tuning
    TOP TECHNOLOGIES/MUST HAVES:
  • Java (v17)
  • Springboot
  • MongoDB
    NICE TO HAVES:
  • Google Cloud Platform
  • Python

    EEO Employer

    Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

    Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

    Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
  • Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

    About Apex Systems