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Senior Full Stack Developer Jobs in California, PA

Intervala, LLC

Sr Systems/Design Engineer

Mount Pleasant, PA · On-site

$92K - $126K/yr

We are looking for a Sr Systems Design Engineer! The Senior Systems Design Engineer leads the ... Be part of a company that's growing, changing, and full of new opportunities * A supportive, team ...

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Senior Full Stack Developer information

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How much do senior full stack developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for senior full stack developer in California, PA is $51.89, according to ZipRecruiter salary data. Most workers in this role earn between $43.12 and $59.76 per hour, depending on experience, location, and employer.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

How does a senior full stack developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are the key skills and qualifications needed to thrive as a senior full stack developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

What is a senior full stack developer?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.
What job categories do people searching Senior Full Stack Developer jobs in California, PA look for? The top searched job categories for Senior Full Stack Developer jobs in California, PA are:
What cities near California, PA are hiring for Senior Full Stack Developer jobs? Cities near California, PA with the most Senior Full Stack Developer job openings:
Senior Full Stack Developer jobs near you

Senior Mechanical Engineer

Kurt J Lesker

Jefferson Hills, PA • On-site

$94K - $124K/yr

Full-time

Re-posted 29 days ago

Job description

Kurt J. Lesker Company (KJLC) is seeking a Senior Mechanical Engineer to design, develop, and test mechanical components and systems, including vacuum chambers, robotic systems, and deposition equipment. This role leverages deep engineering expertise to drive product development from concept through production while collaborating closely with Sales, Product Management, R&D, Engineering, and Manufacturing. Responsibilities span the full product lifecycle including fabrication, operation, application, installation, and repair of mechanical products-within a role that offers a high degree of creativity, technical ownership, latitude, leadership and broad impact across complex systems.
Sr. Mechanical Engineer
  • Type of Employment: Full-Time
  • Location: Jefferson Hills, PA
  • Division/Department: Process Equipment Division/Engineering
  • Reports To: Engineering Manager

Key Job Elements:
  • Design and detail mechanical components and assemblies for advanced vacuum systems, deposition equipment, and precision machinery
  • Lead engineering design activities with high initiative, sound judgment, and accountability
  • Develop and manage project plans, budgets, and timelines for new product development
  • Create and maintain Bills of Material (BOMs) within ERP systems
  • Collaborate with Sales and Product Management to translate customer and market requirements into engineering solutions
  • Partner with R&D and scientific teams to ensure designs meet technical specifications and performance constraints
  • Work closely with internal manufacturing and machine shop teams to optimize design for manufacturability and cost
  • Source and manage vendors and subcontractors for custom mechanical components and fabrication
  • Build, assemble, and test prototypes, subassemblies, and mechanical systems
  • Drive cost reduction, value engineering, and continuous improvement initiatives
  • Analyze production costs, supply chain inputs, and delivery requirements to support scalable manufacturing
  • Support product lifecycle activities including installation, application, and troubleshooting
  • Travel domestically and internationally as needed
  • Perform additional duties as required

Qualifications:
Required
  • Minimum 8 years' experience in mechanical design
  • Bachelor's degree in Mechanical Engineering
  • Strong 3D CAD experience
  • Expert level GD&T skills

Preferred
  • 2 years experience with Solid Edge or other mid-range modeling package
  • 5 years PVD, CVD, or ALD vacuum system design experience

Why Kurt J. Lesker Company:
Kurt J. Lesker Company is a global leader in vacuum technology and advanced manufacturing, supporting critical industries such as semiconductor, aerospace, medical, and optical. With more than 70 years of innovation, we offer employees the opportunity to contribute to cutting-edge technologies in a collaborative, mission-driven environment.
We offer:
  • Competitive compensation
  • On-site gym, wellness programs, and walking trails
  • Electric vehicle charging stations and sustainability initiatives
  • A collaborative, people-first culture

Kurt J. Lesker Company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. KJLC is committed to providing reasonable accommodations for persons with disabilities unless doing so would result in undue hardship. If you need a reasonable accommodation for any part of the employment process, please contact Human Resources at [email protected] or (412) 387-9200.
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