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Core Engineering Jobs in California (NOW HIRING)

BayOne Solutions

Core Java Developer

San Francisco, CA · On-site

Responsibilities: Our Client is looking for Core Java Engineers with strong Data Structure, Algorithms, Multi-threading, Concurrency, experience. Additional Information All your information will be ...

Deegit Inc

Need Core Java Developer

Sunnyvale, CA · On-site

We do have an urgent Position for Core Java Developer at CA . Please find the requirement below for your review Role: Core Java Developer Location: Sunnyvale, CA Duration: 6+ Months 6+ years of IT ...

ClifyX

Core Java Developer

Sunnyvale, CA · On-site

ClifyX is a company seeking a Core Java Developer. The role involves Core Java J2EE development, working with Java frameworks, and hands-on experience with services and databases. Responsibilities ...

The Consensus

Core Software Engineer

San Jose, CA · On-site

$140 - $210/hr

The Core Engineering team is our special forces. This role works directly with our founders to identify critical gaps across the organization and build solutions 0 to 1, often in days not weeks, with ...

Droisys

Core Java with Search programming

Sunnyvale, CA · On-site

Core Java with Search programming Location : Sunnyvale, CA Duration : Long term NEED Green Card or Citizens Skills required : Strong core Java (Multithreading and Performance Optimization) Experience ...

Etched

Core Software Engineer

San Jose, CA · On-site

$150K - $275K/yr

The Core Engineering team is our special forces. This role works directly with our founders to identify critical gaps across the organization and build solutions 0 to 1, often in days not weeks, with ...

Etched

Core Software Engineer

San Jose, CA · On-site

$150K - $275K/yr

The Core Engineering team is our special forces. This role works directly with our founders to identify critical gaps across the organization and build solutions 0 to 1, often in days not weeks, with ...

Jobsbridge

Core Java Developer

San Francisco, CA · On-site

Company Description Intelliswift Software, Inc - 8-10 years hands-on experience in Java project - Very strong in Core Java, J2EE - Proven experience in Java Web Services, Spring, Hibernate - Must ...

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Showing results 41-60

All JobsCore Engineering JobsCore Engineering Jobs in California

Core Engineering information

See California salary details

$32.1K

$62.2K

$94.2K

How much do core engineering jobs pay per year?

As of Sep 7, 2026, the average yearly pay for core engineering in California is $62,152.00, according to ZipRecruiter salary data. Most workers in this role earn between $46,400.00 and $71,100.00 per year, depending on experience, location, and employer.

What is core engineering?

Core Engineering refers to the central disciplines of engineering, such as mechanical, electrical, civil, and chemical engineering, which form the foundation for specialized engineering roles. Professionals in core engineering are responsible for designing, developing, and maintaining essential infrastructure, systems, and technologies. These roles often involve research, problem-solving, and the application of scientific principles to create efficient and reliable products or solutions. Core engineers are employed across a wide range of industries, including manufacturing, energy, automotive, and construction.

What are the typical projects and responsibilities for someone in a core engineering role?

Professionals in Core Engineering are usually responsible for designing, developing, and maintaining the foundational systems or platforms that other teams and products rely on. This often includes building scalable infrastructure, optimizing performance, and ensuring the reliability of core services. Daily tasks may involve collaborating with product teams, conducting code reviews, and troubleshooting complex technical issues. Working in Core Engineering offers opportunities to solve challenging problems and have a broad impact across the organization, as your work enables other engineers to build efficiently.

What are the key skills and qualifications needed to thrive in core engineering, and why are they important?

To thrive in Core Engineering, you need a solid background in mathematics, physics, and engineering fundamentals, usually backed by a relevant degree such as Mechanical, Civil, or Electrical Engineering. Familiarity with technical tools like CAD software, simulation platforms, and industry-specific certifications (e.g., PE or FE exams) is often required. Strong problem-solving abilities, teamwork, and effective communication skills help engineers collaborate and innovate effectively. These skills ensure that complex engineering projects are executed safely, efficiently, and to the highest standards.

What is the difference between Core Engineering vs Mechanical Engineering?

AspectCore EngineeringMechanical Engineering
Required CredentialsBachelor's in Engineering, certifications in specific fieldsBachelor's in Mechanical Engineering, possibly Professional Engineer (PE) license
Work EnvironmentIndustrial plants, manufacturing, infrastructure projectsDesign offices, manufacturing plants, R&D labs
Industry UsageHeavy industry, infrastructure, energy sectorsAutomotive, aerospace, robotics, manufacturing

Core Engineering focuses on specialized technical roles within industries like manufacturing and infrastructure, often requiring specific certifications. Mechanical Engineering is broader, covering design, analysis, and manufacturing of mechanical systems across various sectors. While both share foundational engineering principles, Core Engineering tends to be more specialized and application-focused.

What does a core engineer do?

A core engineer designs, develops, and maintains the fundamental systems and components of a product or infrastructure, often focusing on low-level programming, hardware integration, or system architecture. They typically work with programming languages like C or C++, and require strong problem-solving skills and knowledge of system operations. Core engineers are essential in ensuring the stability, performance, and scalability of technical systems.

What are popular job titles related to Core Engineering jobs in California?

For Core Engineering jobs in California, the most frequently searched job titles are:

What job categories do people searching Core Engineering jobs in California look for?

The top searched job categories for Core Engineering jobs in California are:

Core Engineering jobs near you
Infographic showing various Core Engineering job openings in California as of August 2026, with employment types broken down into 65% Full Time, and 35% Contract. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $62,152 per year, or $29.9 per hour.

Sr. Machine Learning Engineer, Core Engineering

Segment (Twilio)

Palo Alto, CA • On-site

$189.72 - $332.01/hr

Other

Re-posted 2 days ago

Key responsibilities

  • Build and develop advanced machine learning models to personalize Pinterest's platform.

  • Collaborate with cross-functional teams to experiment with and improve ML models across various product surfaces such as Homefeed, Ads, Growth, Shopping, and Search.

  • Utilize data-driven methods and leverage data properties to enhance candidate retrieval processes.

Job description

About Pinterest

Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product.

Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible.

What you’ll do
  • Build cutting edge technology using the latest advances in deep learning and machine learning to personalize Pinterest.
  • Partner closely with teams across Pinterest to experiment and improve ML models for various product surfaces (Homefeed, Ads, Growth, Shopping, and Search), while gaining knowledge of how ML works in different areas.
  • Use data driven methods and leverage the unique properties of our data to improve candidates retrieval.
  • Work in a high‑impact environment with quick experimentation and product launches.
  • Keeping up with industry trends in recommendation systems.
What we’re looking for
  • 4+ years of industry experience applying machine learning methods (e.g., user modeling, personalization, recommender systems, search, ranking, natural language processing, reinforcement learning, and graph representation learning).
  • End‑to‑end hands‑on experience with building data processing pipelines, large scale machine learning systems, and big data technologies (e.g., Hadoop/Spark).
  • Degree in computer science, machine learning, statistics, or related field.
  • Nice to have:
    • Publications at top ML conferences.
    • Expertise in scalable realtime systems that process stream data.
    • Passion for applied ML and the Pinterest product.
    • MS/PhD in Computer Science, ML, NLP, Statistics, Information Sciences, related field, or equivalent experience.
Relocation Statement
  • This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.

US based applicants only.

$189,721—$332,012 USD

Information regarding the culture at Pinterest and benefits available for this position can be found here.

Our Commitment to Inclusion

Pinterest is an equal opportunity employer and makes employment decisions on the basis of merit. We want to have the best qualified people in every job. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you require a medical or religious accommodation during the job application process, please complete this form for support.

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