Explore API Engineer Jobs

API engineers design, build, and maintain the application programming interfaces that allow software systems to communicate. They help organizations connect services, products, and data through reliable, secure, and well-documented APIs. Browse vetted API Engineer opportunities on Ladders, including roles with compensation of $100,000 or more.

What Does an API Engineer Do?

API engineers develop and integrate interfaces used by web applications, mobile apps, internal platforms, and external partners. Their work may include defining API specifications, writing and testing code, improving performance, managing authentication and authorization, and monitoring services in production. They often collaborate with product managers, software engineers, security teams, and infrastructure specialists.

Skills and Qualifications for API Engineering

Employers commonly seek experience with API design and development, REST or GraphQL, programming languages such as Java, Python, Go, or JavaScript, and tools for testing, version control, and observability. Knowledge of databases, cloud platforms, microservices, security practices, and API documentation can also be valuable. Requirements vary by employer and seniority.

API Engineer Career Opportunities

API engineering roles are available across technology, finance, healthcare, e-commerce, and other industries that rely on connected digital systems. Depending on experience, professionals may pursue senior API engineer, backend engineer, platform engineer, integration architect, or engineering leadership positions.

Find API Engineer Jobs Paying $100K or More

Use Ladders to explore vetted professional opportunities and identify roles that align with your skills, experience, and career goals. Review each listing for its responsibilities, qualifications, location, and compensation details as you search for your next API engineering position.

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$110K - $130K *

Take ownership of API development, optimizing performance and reliability for a high-traffic platform. Collaborate on critical infrastructure, enhance user experience, and implement robust security me...

CanadaRemote

6 days ago

  •   Less than 5 years exp.  •   Staffing

$116K - $171K *

Optimize multi-cloud access control and security tools. Collaborate with teams to design and implement automated solutions, ensuring secure developer workflows across AWS, Azure, and GCP while enhanci...

United StatesRemote

2 weeks ago

  •   Less than 5 years exp.  •   Transportation

$85K - $170K *

Optimize legacy systems by transforming monolithic Java/.NET services into cloud-native Python microservices. Collaborate with teams to design scalable REST APIs and ensure secure delivery through Dev...

Mclean, VARemote

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$110K - $130K *

Innovate healthcare delivery by developing AI solutions that enhance operations and resident experiences. Collaborate with teams to automate processes and improve clinical decision-making in senior ca...

United StatesRemote

2 weeks ago

  •   Less than 5 years exp.  •   Healthcare

$160K - $200K *

Drive innovation by designing and developing scalable backend services, collaborating closely with engineering teams to enhance platform performance and reliability while mentoring junior developers a...

United StatesRemote

1 week ago

  •   5 - 7 years exp.  •   Transportation

$110K - $130K *

Drive data excellence by designing, developing, and maintaining ETL/ELT pipelines across various platforms, ensuring quality and reliability to support analytics and AI workflows in a collaborative, d...

United StatesRemote

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

$125K - $150K *

Lead the development and operation of next-gen GraphQL infrastructure, ensuring performance, security, and reliability while mentoring teams and collaborating cross-functionally to deliver outstanding...

RemoteRemote

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Join a team that's dedicated to transforming healthcare data solutions. As a Senior Data Engineer, you'll enhance complex systems, collaborate across departments, and drive analytics to optimize finan...

United StatesRemote

Reposted 1 week ago

  •   8 - 10 years exp.  •   Healthcare

$186K - $242K *

Empower innovation at a rapidly growing team, leading API architecture and integrations. Collaborate across teams to enhance platform capabilities while mentoring engineers and ensuring system reliabi...

United StatesRemote

1 week ago

  •   8 - 10 years exp.  •   Enterprise Technology

$90K - $110K *

Pioneer the development and enhancement of innovative applications, ensuring seamless integration with services. Leverage technical expertise to transform requirements into high-quality, user-friendly...

RemoteRemote

Reposted 1 week ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Innovate and drive AI agent development for clinical trial platforms, integrating LLMs through the .NET stack. Engage in hands-on engineering to deliver end-to-end AI features, enhancing patient-centr...

RemoteRemote

Reposted 1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$199K - $235K *

Innovate backend solutions by designing, building, and maintaining scalable services for external pentesting. Collaborate across teams to enhance user experience and ensure system performance, reliabi...

United StatesRemote

Yesterday

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Join a team that's dedicated to enhancing application services in cloud environments. You'll install and upgrade applications while collaborating with experts to ensure optimal performance and support...

United StatesRemote

1 week ago

  •   Less than 5 years exp.  •   Healthcare

$152K - $179K *

Drive the development of distributed systems for real-time blockchain data ingestion and indexing, owning services from design to production while enhancing performance and reliability across the plat...

United StatesRemote

Today

  •   Less than 5 years exp.  •   Finance & Insurance

$56K - $114K *

Drive the development and support of applications and systems, ensuring quality and performance through coding, testing, and troubleshooting. Collaborate with teams to enhance software solutions and m...

Lansing, MIRemote

2 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$89K - $125K *

Partner with us to integrate new firms into our IT environment, managing Microsoft 365 migrations and Active Directory consolidations while collaborating with cross-functional teams to ensure seamless...

United StatesRemote

Yesterday

  •   5 - 7 years exp.  •   Finance & Insurance

$127K - $191K *

Create robust, scalable solutions that enhance user experiences for bank administrators and customers. Lead the charge in system design and architecture while guiding and mentoring peers to elevate co...

United StatesRemote

3 weeks ago

  •   5 - 7 years exp.  •   Enterprise Technology

$125K - $150K *

Elevate your career by driving data engineering excellence in Palantir Foundry, transforming legacy systems into robust pipelines and applications while collaborating with cross-functional teams to de...

United StatesRemote

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$102K - $136K *

Empower your career by designing and delivering scalable software solutions in a dynamic environment. Collaborate with cross-functional teams to enhance healthcare supply chain products using modern t...

United StatesRemote

6 days ago

  •   5 - 7 years exp.  •   Healthcare

$186K - $218K *

Deliver innovative real-time systems that enhance financial integrity across all transactions, ensuring operational excellence and accuracy by collaborating with various teams to enforce robust financ...

United StatesRemote

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$82K - $125K *

Develop and enhance software solutions for electric and gas distribution tools, leveraging AI coding assistants. Collaborate with experienced engineers to implement features, ensure quality, and optim...

Spokane, WARemote

6 days ago

  •   Less than 5 years exp.  •   Energy & Utilities

$80K - $90K *

Unlock your potential by designing prompt strategies that enhance data annotation and localization workflows. Collaborate with cross-functional teams to drive AI-driven solutions, ensuring quality and...

CanadaRemote

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$250K - $280K *

Empower the development of AI observability capabilities, architecting data models and infrastructure while collaborating with cross-functional teams to enhance user workflows and insights into AI sys...

CanadaRemote

5 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$199K - $260K *

Champion the development of robust data ingestion pipelines, transforming pentest results into actionable insights. Collaborate with cross-functional teams to ensure seamless data flow and operational...

United StatesRemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$149K - $235K *

Lead complex backend projects from design to launch, tackling architecture challenges and mentoring junior developers. Collaborate across teams to drive initiatives and ensure high-quality code throug...

San Francisco, CARemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

Frequently Asked Questions (FAQ)

  • What is an API engineer?question toggle

    An API engineer builds and maintains application programming interfaces that enable software systems and services to exchange data and functionality.

  • What does an API engineer do day to day?question toggle

    Typical work includes designing API endpoints and specifications, writing and testing code, integrating services, addressing security and performance needs, documenting interfaces, and monitoring APIs in production.

  • What skills are commonly required for API engineer jobs?question toggle

    Employers often look for programming experience, knowledge of API design such as REST or GraphQL, testing and documentation skills, and familiarity with databases, cloud services, security, and distributed systems. Specific requirements depend on the role.

  • How much do API engineers earn?question toggle

    Compensation varies by experience, location, industry, and employer. Ladders focuses on vetted professional jobs paying $100,000 or more; check individual listings for specific salary information.

  • Where can API engineers find jobs paying $100,000 or more?question toggle

    API engineers can browse Ladders for vetted professional opportunities with compensation of $100,000 or more and review listings to find roles that match their qualifications and preferences.