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Cs Core Engineer Jobs in California (NOW HIRING)

Omega Solutions Inc

Core Java developer

San Jose, CA · On-site

The ideal candidate will be a Java Engineer with strong Java experience with some proficiency in ... Ex PayPal or eBay candidates preferred Requirements: * BS in CS 5+ yrs experience or MS 3+ yrs ...

Etleap, Inc.

Software Engineer - Integrations

San Francisco, CA · On-site +1

$122K - $164K/yr

... core engineering team to help build the infrastructure and the integrations that modern data teams depend on to create and operate their data warehouse! It shouldn't take a CS degree to use big data ...

Etleap, Inc.

Software Engineer - Integrations

San Francisco, CA · On-site

$122K - $164K/yr

... core engineering team to help build the infrastructure and the integrations that modern data teams depend on to create and operate their data warehouse! It shouldn't take a CS degree to use big data ...

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Cs Core Engineer information

What are the typical challenges faced by Cs Core Engineers in daily operations?

Cs Core Engineers often encounter challenges related to maintaining high network availability, troubleshooting complex voice and data connectivity issues, and ensuring seamless interoperability between diverse network elements. They are responsible for monitoring and optimizing Core Network performance, diagnosing faults, applying software upgrades, and coordinating with vendors or service providers for quick problem resolution. The work can involve participating in after-hours maintenance windows and responding rapidly to service-impacting incidents. Being proactive and detail-oriented helps in anticipating potential problems and ensuring consistent, uninterrupted telecom services.

What are the key skills and qualifications needed to thrive in the Cs Core Engineer position, and why are they important?

To thrive as a Cs Core Engineer, you need a solid grounding in telecommunications principles, Core Network architecture, protocol stacks (such as SS7, SIP, or Diameter), and a degree in engineering or a related field. Experience with network monitoring tools, troubleshooting utilities, and industry certifications like CCNA/CCNP or vendor-specific qualifications (e.g., Nokia, Ericsson) are highly beneficial. Analytical thinking, problem-solving abilities, and clear communication skills help you effectively coordinate with cross-functional teams and respond to network issues. These skills ensure reliable network performance, minimize downtime, and support seamless service delivery for telecom providers.

What is a Cs Core Engineer job?

A Cs Core Engineer is responsible for the core network infrastructure of a telecommunications system, ensuring seamless voice and data communication. They manage, troubleshoot, and optimize circuit-switched (CS) network elements like MSC, HLR, and MGW. Their role involves analyzing network performance, resolving faults, and implementing upgrades to enhance service quality. Cs Core Engineers collaborate with cross-functional teams to maintain network reliability and support business operations.

What are the most commonly searched types of Cs Core Engineer jobs in California? The most popular types of Cs Core Engineer jobs in California are:
What are popular job titles related to Cs Core Engineer jobs in California? For Cs Core Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Cs Core Engineer jobs in California look for? The top searched job categories for Cs Core Engineer jobs in California are:
Cs Core Engineer jobs near you
Infographic showing various Cs Core Engineer job openings in California as of June 2026, with employment types broken down into 73% Full Time, and 27% Part Time. Highlights an 89% In-person, and 11% Remote job distribution.
Core Java developer

Core Java developer

Omega Solutions Inc

San Jose, CA • On-site

Other

Posted 2 days ago

Job description

Core Java Developer

The development team is looking for a self-motivated, Senior Java Engineer to join one of our global online Payment leader's team and help build low-latency, high-throughput mid tier applications to grow our new platform. The ideal candidate will be a Java Engineer with strong Java experience with some proficiency in Multi Threading, RESTful services, Collections, HashMap, JSON, SQL, Junit and hands on experience in algorithms, Data Structures, APIs and data collection problems.

Background we are looking for:

  • You love solving problems and building solutions
  • You're self-motivated and have a demonstrated track record of self-learning and going above and beyond
  • You're excited to create high traffic backend distributed services for customers
  • You want to hit the ground running on Day 1; you take ownership of your work and can work independently.
  • You've designed and clearly understand concepts like Web Services, SOA, REST APIs, SPRING Framework.
  • You know the fundamentals of Object-Oriented Programming using Java, familiarity with additional development tools such as JUnit, Maven & Jenkins is a plus.
  • You have experience working with Multi Threading, RESTful services, Collections, HashMap, JSON, SQL, Junit, etc. to showcase your creativity.
  • You love Git and are at home with source control concepts such as merge, rebase and pull.
  • You've used SQL & NoSQL solutions and understand the pros and cons of relational and free form databases. Good hands on experience in Oracle database.
  • You believe in Agile development and putting the customer first in anything you design; experience with SCRUM is a plus.
  • You're a strong advocate of good coding standards and like the use of coding tools that will push you to improve the code you deliver like Sonar.
  • You know how to identify performance bottlenecks and use good coding patterns to avoid them in the first place.
  • Ex PayPal or eBay candidates preferred

Requirements:

  • BS in CS 5+ yrs experience or MS 3+ yrs experience
  • Experience in object-oriented programming and concepts
  • Experienced in Java backend application development.
  • Comfortable enough in handling algorithms, data structure, Data collections and system design problems
  • Expected to develop new APIs and android queues
  • Experienced in Distributed System development using Java /J2EE/Web Technologies.
  • Proven track record in delivering highly available, scalable systems on time
  • Conversant in design patterns
  • Good understanding of web services and related standards like REST/JSON
  • Experience in Spring framework and other open source frameworks
  • Experience developing data-driven applications using an industry standard RDBMS (Oracle, DB2, SQL Server, MySQL, Informatica, etc.)
  • Experience in Unix based development environment
  • Experience in both development and quality assurance activities
  • Experience in QA methodologies, test automation and automation frameworks
  • Experience in driving Integration testing, UAT with external vendors
  • Experience in JUnit, Selenium is a plus
  • Experience working in payments or financial services industry is a plus
  • Exposure to Agile Methodologies

Nice to have:

  • Familiarity with Enterprise Java and supporting Java frameworks
  • Familiarity with Unix commands and basic Unix scripting
  • Familiarity with iOS development and SQL / NoSQL (preferably Oracle).

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