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Senior Back End Software Engineer (Java)

OSI Engineering
Menlo Park, CA Full Time
POSTED ON 11/15/2025
AVAILABLE BEFORE 12/14/2025

Job Summary:

We’re looking for a talented Senior Software Engineer to be a key contributor to developing cloud-based services that will drive the future of the business. You will join our small and dynamic Cloud Services team, using the latest technology and tools to build high-quality, cross-platform solutions that are robust, scalable, and efficient. You will also collaborate with a versatile cross-functional team to make a significant impact on our product offerings.


Responsibilities:

  • Senior Software Engineer is a technical role, with responsibilities ranging from solving technical problems to creating design documents and implementing complex designs.
  • Directly responsible for consistently delivering scalable, production-ready back-end/server code in Java, from design and development to deployment, as a member of an Agile development team.
  • Partner closely with a cross-functional team of key stakeholders (Engineers, Architects, Product Managers, QA, and Operations) to design and implement solutions that meet user needs as well as engineering and operations.
  • Display a passion for high quality, continuous learning, and experimenting and applying cutting-edge technology, software paradigms, and engineering process improvements.


Qualifications:

  • Demonstrates strong software design skills (REST API design, extensible design while coding, good at DB modelling, proactive in error handling); expert in Java/Spring/Hibernate skills.
  • 3-7 years of software engineering experience, including a successful track record developing customer-facing SaaS/PaaS products.
  • 3 years working experience in core Java, Spring Framework and AWS.
  • 3 years working experience within microservice architecture, specifically utilizing REST services and JSON.
  • Extensive experience in developing applications that are deployed in AWS.
  • Fluent in Databases/SQL (MySQL experience preferred).
  • Excellent programming discipline: data structures, complexity analysis, object-oriented principles, design patterns, and unit testing.
  • Excellent knowledge of the development challenges inherent with highly scalable and available web/mobile applications.
  • Experience with API development and integration with 3rd-party services is preferred.
  • Ability to work well with others in a geographically distributed team.
  • Team player with can-do attitude to independently own and drive projects.
  • Exceptional verbal and written communication skills.
  • BS/MS in Computer Science/Engineering or equivalent.


Location: Menlo Park, CA (Hybrid – Tues. & Wed. Onsite)

Salary: $160k–$180k base bonus & benefits

Salary : $160,000 - $180,000

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