Core Java Developer (GC-USC)

Sonsoft Inc

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Sunnyvale, CA, us on site Until 8/21/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description:-

  • At least 4 years of experience in strong Core Java with Design experience
  • Strong knowledge in Core Java with knowledge of multithreading, concurrency, memory management and NIO. Should have used concurrent packages in detail.
  • Strong knowledge in Enterprise Java or any other server/client architectures with asynchronous or non-blocking request/response
  • Expert in Design Patterns
  • Strong Knowledge in development in Netty
  • Strong Knowledge in database transaction management
  • Knowledge of Public Key Infrastructure
  • At least 4 years of experience in software development life cycle including enterprise application development experience
  • At least 4 years of experience in Project life cycle activities on development and maintenance projects.
  • At least 4 years of experience in Design and architecture review.
  • At least 4 years of experience in conceptualizing system Architecture and design
  • Should have very strong analytical skills
  • Excellent oral and written communications skills.
  • ability to engage in senior-level technology discussions.
  • Ability to coach and mentor junior developers and on need basis customers
  • Ability to work in team in diverse/ multiple stakeholder environment
  • Experience and desire to work in a Global delivery environment
  • Working knowledge in Unix. Knowledge on Shell scripting desirable.
  • Working knowledge in JDBC and data modeling. NoSQL desirable (Cassandra).
  • Working knowledge in Socket programming
  • Working knowledge of latest technology available in market
  • Ability to create business case

Basic Qualifications :-

  • Bachelor’s degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, TN Visa, GC-EADH4-EAD & L2-EAD can apply.
  3. No OPT-EAD & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.
About this role

Summary

Develop and design enterprise Java applications, mentor juniors, and engage in system architecture.

Job title

Core Java Developer (GC-USC)

Experience level

4+ years

Industry

software

Location requirements

Sunnyvale, CA, US; remote not allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

core javamultithreadingdesign patternsenterprise javaNettydatabase transaction managementpublic key infrastructureunixjdbcnosqlsocket programming

Preferred skills

shell scriptingcassandra

Specializations

core javamultithreadingdesign patternsenterprise javadatabase
Locations

Structured locations inferred from the posting.

Sunnyvale, CA, USA

On-site City