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Principal Software Engineer

S2 Security is seeking a Principal Software Engineer with a solid record of accomplishment to join a growing team with a proven record of technology leadership. You will design and implement new features and help evolve the system architecture to address our next level of challenges. Duties include full life-cycle software development as well as working with Product Management, QA and Technical Support. The successful candidate will excel at delivering enterprise-class software products and demonstrate creativity and attention to detail.


  • Lead the initiative to design and implement a new public API for our product suite
  • Partner with the on the design of new features
  • Design, code and test new features and public APIs
  • Perform design and code reviews
  • Collaborate with Product Management and QA as a member of an Agile / Scrum team


  • 8+ years of experience designing and implementing enterprise-class software products
  • Expert with Java, Spring and Apache
  • Expert at designing and implementing public APIs using REST and JSON
  • Experience with Python, C++ and PostgreSQL is a plus
  • Must be self-motivated and have a proven ability to work well in a cross-functional team environment 
  • Agile/Scrum experience is a plus
  • Excellent verbal and written communication skills
  • BSCS or equivalent preferred

Interested? Please contact us at

S2 Security Corporation does not accept unsolicited resumes from recruiters or placement agencies.  All unsolicited resumes submitted referring to one of our current postings or otherwise are deemed unsolicited and will be considered the property of S2 Security Corporation, and S2 Security Corporation will not be responsible for any fees related to unsolicited resumes.

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About S2 Security

S2 Security Corporation, headquartered in Framingham, Massachusetts, is an internationally recognized innovator in the field of IP based integrated physical security management products.

S2 was founded in 2002, is profitable, growing steadily, and is privately held by a group of individual investors including a number of its employees. If you enjoy an opportunity where product ease of use and service come first in a flexible, self-motivated environment, then S2 is right for you. Results count for everything here, and a minimum of bureaucracy will keep you close to the action.

S2 develops and markets a family of network appliance products that manage all aspects of a commercial building’s physical access control, alarm monitoring, and video security infrastructure. By leveraging the power of networking technology, S2 brings users an unprecedented level of control over enterprise security. Our product line, available in a number of languages, is continually improving because we listen to our customers and work with them to build the best products available.

Employees of S2 are passionate about our products and excited to work where their input can be seen on the product line. We strive to be world class and innovative in the IP based physical security industry. All employees are encouraged to think outside of the box and their voices are always heard.

S2 offers a full suite of benefits and a casual work environment. Please reference the Job Code when applying for a job.