Demo

Sr. Software Back-End Engineer

Apex Systems
Irvine, CA Full Time
POSTED ON 4/16/2025
AVAILABLE BEFORE 6/16/2025

Job Details

Job#: 2071051

Job Description:

Sr. Software Back-End Engineer

Location: Irvine, CA or Remote

Contract Duration: 4.5 months (with potential extension)

Role Overview: As a Sr. Software Back-End Engineer, you will join a team dedicated to building a global e-commerce platform. Your responsibilities will include designing and implementing new features for purchasing, inventory management, and payment processing on a cross-platform system, including integrations with second and third parties. You will collaborate with multiple development teams, monitor and optimize performance, support live production services, and perform research to stay updated with technological advancements.

Responsibilities:
  • Design and implement new features for purchasing, inventory management, and payment processing.
  • Collaborate with development teams for proper designs and integrations.
  • Implement and maintain infrastructure.
  • Monitor, optimize, and troubleshoot performance.
  • Support and improve live production services.
  • Perform research to acquire new knowledge and maintain technological evolution.

Requirements:
  • Minimum of 5 years of professional front and back-end software engineering experience.
  • Solid foundation in Java, C#, or another object-oriented language.
  • Experience in web programming with HTML, CSS, and JavaScript.
  • Hands-on experience with Single Page Application frameworks like React, Angular, or Vue.
  • Strong CS fundamentals, including algorithms, data structures, and design patterns.
  • Experience with web services, messaging middleware, security, microservices, and n-tier architectures.
  • Understanding of scalable and highly concurrent server architecture design.
  • Familiarity with testing practices, including regression, acceptance, functional, and load testing.
  • Knowledge of data-modeling and RDBMS development practices.
  • Bachelors degree in Computer Science, Mathematics, or equivalent experience.

Pluses:
  • AWS experience (DynamoDB, Lambdas, ECS, S3, ELB, EC2).
  • Familiarity with the Spring Framework.
  • Experience with Docker or other container platforms.
  • Experience with billing and payment systems.
  • Linux experience.
  • Passion for technology and video games.


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.

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