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Senior Api Developer Jobs in California (NOW HIRING)

Jobsbridge

Senior JAVA Lead

Cupertino, CA · On-site

Senior Software Engineer /Lead with hands on JAVA development with REST API Senior developer with experience development of highly scalable, low latency application and good in data structures, Java ...

InterSources Inc

Sr. Application Systems Developer

Davis, CA · On-site

$101K - $139K/yr

They are seeking a Senior Application Systems Developer to serve as a full-stack developer for the ... NET and C#. • Design, develop & modify standard & custom server controls. • Implement REST API ...

Postman

Senior Developer Advocate

San Francisco, CA · On-site

$210K - $230K/yr

About the Role We're looking for a Senior Developer Advocate to join our Developer Relations team ... Be a recognizable and credible technical voice in the API and developer tooling ecosystem. * Build ...

Scalence L.L.C.

Slack Developer (API)

San Jose, CA · On-site

L.C. is seeking a Senior Slack Administrator to manage, secure, and enhance Slack as a ... bots using APIs and programming. • Implement automation and AI solutions to boost team ...

eTeam

Senior Facets Developer

San Francisco, CA · On-site

Job Summary : eTeam is a company seeking a Senior Facets Developer to provide production support ... NET, SQL, API, Cloud (Azure/AWS) • Expertise in Facets Core Batch Monitoring Support • 10 years ...

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Senior Api Developer information

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$15

$60

$86

How much do senior api developer jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for senior api developer in California is $60.92, according to ZipRecruiter salary data. Most workers in this role earn between $51.73 and $68.32 per hour, depending on experience, location, and employer.

What is a senior API developer?

Senior API Developers are experienced software engineers who specialize in designing, building, and maintaining Application Programming Interfaces (APIs) that allow different software systems to communicate. They often lead technical projects, mentor junior developers, and ensure APIs are secure, scalable, and well-documented. Senior API Developers typically work with a variety of programming languages and frameworks, and collaborate closely with other teams to align API solutions with business goals.

What skills and qualifications are needed to thrive as a senior API developer?

To thrive as a Senior API Developer, you need advanced programming skills (often in languages such as Java, Python, or Node.js), deep understanding of API design principles, and experience with RESTful and/or GraphQL APIs, typically supported by a relevant degree or professional experience. Familiarity with API management tools (like Postman, Swagger, or Apigee), cloud platforms (such as AWS or Azure), and knowledge of authentication protocols (OAuth, JWT) are vital. Strong problem-solving abilities, effective communication, and leadership skills help in collaborating across teams and mentoring junior developers. These competencies ensure robust, scalable API solutions that meet business needs and integrate seamlessly with other systems.

How do senior API developers typically collaborate with product managers and frontend teams during the development process?

Senior API Developers play a key role in bridging backend systems with product and frontend teams. They work closely with product managers to interpret business requirements into technical specifications for APIs. Regular collaboration with frontend developers ensures that APIs are designed for usability, performance, and scalability, often involving code reviews, feedback sessions, and iterative testing. Effective communication and proactive problem-solving are essential to align API functionality with both business objectives and user experience.

What is the difference between Senior Api Developer vs API Engineer?

AspectSenior API DeveloperAPI Engineer
Required CredentialsBachelor's in CS or related, experience in API developmentBachelor's or higher in CS, software engineering, or related field
Work EnvironmentSoftware development teams, tech companies, startupsDevelopment teams, cloud services, enterprise environments
Employer & Industry UsageTech firms, SaaS providers, e-commerceCloud providers, enterprise software, API platforms
Common Search & ComparisonOften compared for API design and development rolesFocuses on API infrastructure and deployment

While both roles involve working with APIs, a Senior API Developer primarily designs, develops, and maintains APIs, focusing on functionality and integration. An API Engineer often emphasizes the infrastructure, deployment, and scalability of APIs within larger systems. Understanding these distinctions helps employers and professionals choose the right role for their needs.

Are senior API developers in demand?

Senior API developers are in high demand due to the increasing reliance on web services and integrations across industries. They are often required to have expertise in REST, SOAP, and API security, with many organizations seeking experienced professionals to build and maintain scalable, secure APIs. The demand is expected to grow as digital transformation accelerates and companies prioritize cloud-based solutions.

How much do senior API developers make?

Senior API developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often have expertise in RESTful APIs, programming languages like Java or Python, and may hold certifications that enhance their earning potential.

What are the most commonly searched types of Api Developer jobs in California?

The most popular types of Api Developer jobs in California are:

What are popular job titles related to Senior Api Developer jobs in California?

For Senior Api Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Senior Api Developer jobs in California look for?

The top searched job categories for Senior Api Developer jobs in California are:

What cities in California are hiring for Senior Api Developer jobs?

Cities in California with the most Senior Api Developer job openings:

Senior Api Developer jobs near you
Infographic showing various Senior Api Developer job openings in California as of August 2026, with employment types broken down into 79% Full Time, 8% Part Time, and 13% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $126,718 per year, or $60.9 per hour.

Senior .Net Developer

West Advanced Technologies (WATI)

Los Angeles, CA • On-site

$59.25 - $75.50/hr

Full-time

Re-posted 16 days ago

Job description

Senior .NET Developer
Los Angeles, CA
6+ months
Minimum Qualifications:
Candidate must have 5 years of experience building complex .NET web applications, functions, API Service, workflow, and SQL queries with T-SQL/PL SQL and stored procedures.
Experience in the following area(s) is required:
3 years of ASP.NET/MVC
5 years of C# Programming
5 years of Web services REST API or SOAP
3 years of modern/mobile responsive front-end development using JavaScript, JQuery, Bootstrap, HTML5, and CSS3.
3 years of Angular
3 years of Entity Framework and SQL Server 2012 or higher database.
3 years of .NET Core
3 years in the following areas is preferred:
Oracle 11g database or higher and PL SQL programming
PostgreSQL database version 9 or higher
Scripting Languages (Typescript, and Node.js)
SQL Server Reporting and Integration Services (SSRS and SSIS)
Micro services architecture
Cloud hosting and deployment (Azure or AWS)
Good verbal and written communication skills.
Candidate must have a BS/BA degree in computer science, information technology, or related field. Additional qualifying experience may be substituted for degree on a year-for- year basis.
Description:
The Senior .NET Developer must demonstrate advanced analytical, evaluation and problem resolution skills to effectively implement and resolve matters; must be proficient and demonstrate expertise to develop mission critical, high volume web- based and cloud- based systems; must possess advanced computer system analysis and design skills in current technical methodologies and with a variety of NET 4.5 (or above) framework technologies including C#, ASP.NET, MVC framework, WebForms, Web services, JavaScript, Ajax, jQuery, Razor, multithreading, MS SQL server, Oracle database, and possess minimum 5 years of experience with internet UI modern software development (HTML 5, CSS 3, Bootstrap, etc.). Experiences in Azure development and cloud host solution is a plus.
The Senior .NET Developer further provides expertise in determining the strategic technical direction for project initiatives; must possess effective communication skills to work with other developers, IT teams, and business sponsors. Presentation skills are required to provide demos and effective knowledge transfer of the project implementation to targeted audiences.
Regards
Naresh Damagalla
West Advanced Technologies, Inc
E: naresh.d@wati.com

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