Senior Software Engineer

Job#: 3019828

Job Description:

Locations: Glendale, CA | Santa Monica, CA | Seattle, WA | San Francisco, CA

Work Model: Hybrid - 4 days per week onsite

Title: Senior Software Engineer

Pay: $70-$90/hr

Duration: 24 month contract
Job Summary

We are seeking a Senior Software Engineer with a strong backend and data engineering background to help build and scale next-generation, cloud-based data platforms. In this role, you will design, develop, and own components of large-scale systems supporting real-time and batch data processing. You will work closely with cross-functional partners to deliver high-performance, highly available solutions that evolve with business needs. This role emphasizes backend engineering and big data systems, leveraging modern cloud infrastructure and distributed computing technologies. You'll contribute to architectural decisions, apply best engineering practices, and help drive innovation across the full software development lifecycle.
What You'll Do (Day-to-Day Responsibilities)

• Design, build, and own components of large-scale data platforms supporting real-time and batch processing workloads.
• Develop next-generation, cloud-based big data infrastructure, continuously improving performance, scalability, reliability, and availability.
• Build and maintain backend services and data pipelines using technologies such as Java, Scala, Python, Spark, Hive, Kafka, and Spring Boot.
• Contribute to best-in-class engineering practices, including clean architecture, design patterns, CI/CD pipelines, code reviews, and automated testing.
• Participate in all phases of the software lifecycle: design, experimentation, implementation, optimization, and testing.
• Collaborate closely with product managers, program managers, SDETs, and researchers in a highly collaborative, innovation-driven environment.
• Drive technical innovation by evaluating and applying state-of-the-art backend, data, and cloud technologies.
• Help shape system architecture for highly available, scalable, and fault-tolerant services operating at scale.

Qualifications

• Bachelor's degree or higher in Computer Science, Electrical Engineering, or a related field.
• 4+ years of professional software development experience using Java, Scala, Python, or similar languages.
• 3+ years of hands-on big data development experience with technologies such as Spark, Hive, Kafka, Singlestore, and AWS big data services.
• Strong understanding of system design, application architecture, and distributed systems.
• Proven experience building highly available, scalable, production-grade services.
• Passion for technology, continuous learning, and working across disciplines.

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 uses a virtual recruiter as part of the application process. Click for more details.

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.