Principal Developer
- Location
- San Jose, CA
- Listed
- Today
About the role
KNOWDELEDGE, SKILLS, ABILITITES;
- Extensive knowledge and experience in 3GPP, 4G EPC, 5G Core networks SBA architecture, HTTP2 signaling protocol etc
- Extensive architectural experience building and handling large scale cloud-based efforts.
- Extensive knowledge in Cloud orchestration systems such as Openstack, Kubernetes etc.
- Excellent coding skills in C, C++ or Go.
- Experience in Linux platforms for distributed, multi-threaded applications.
- Extensive knowledge and experience in embedded operating systems is required.
- Working knowledge of a scripting language such as Python, etc. is required.
- Experience in writing automated unit tests.
- Must have strong background in networking technologies, protocols like IP, TCP, UDP, HTTP.
- Must have extensive knowledge of source code revision control systems, makefiles and packaging.
- Exceptional problem solving, analytical and trouble-shooting skills.
- Mastery of standard data structures and algorithms, run-time complexities, IPC, etc. is required.
- Regularly demonstrates collaboration by promoting others' ideas, working well within and other teams, influencing others, and making teams successful.
- Candidate must be passionate enjoy solving complex problems. This is a fast paced, innovative environment and requires candidate to grasp new technologies quickly. Often knowledge is self-taught as formal training in emerging technologies may not exist.
- Demonstrated excellence in written and verbal communications. Regularly finds ways to communicate widely through discussions, white papers, publications and other. Willingness and ability to write good functional specification and design documents.
- Expert Knowledge and extensive experience with vertical stack technologies.
- Experience developing complex product development initiatives from concept through release.
- Extensive development experience in embedded operating systems.
- Demonstrated excellence in written and verbal communications
- Must be a Subject Matter Expert in multiple skill areas.
- Typically requires a minimum of 10+ years of related experience with a Bachelor's degree; or 8 years and a Master's degree; or a PhD with 5 years' experience; or equivalent experience in software development
Additional Information
All your information will be kept confidential according to EEO guidelines.
About the Company
Calsoft is ISV preferred product engineering services partner in Storage, Networking, Virtualization, Cloud, IoT and analytics domains. Our solution accelerators and frameworks expedite go-to-market product launches and accomplish business goals.
From Calsoft Inc.'s careers page, first listed on Rolev.ai on November 12, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
Rolev.ai is a job search and application tool for US job seekers. For this Principal Developer role at Calsoft Inc., it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.
See how you fit
Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.
Tailor without inventing
Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.
Draft the full kit
Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.
1-Click Extension Autofill
The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.
Common questions
Where is the Principal Developer job at Calsoft Inc. located?
This Principal Developer position at Calsoft Inc. is located in San Jose, CA. Always check Calsoft Inc.'s application page for specific state eligibility or relocation policies.
How do I apply for the Principal Developer position at Calsoft Inc.?
This listing links directly to Calsoft Inc.'s SmartRecruiters application page. You can apply directly on Calsoft Inc.'s site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the SmartRecruiters application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.