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.
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.
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 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.
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.
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Advance your career as a Senior AI Software Engineer, collaborating with clients to design and build AI-driven applications. Leverage your expertise in software development and enterprise integrations...
Reposted yesterday
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Unlock potential by joining a dynamic team to design and build AI-driven applications, collaborating directly with clients or enhancing their teams through your expertise in software development and e...
5 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Shape the future of AI by integrating with client teams or building innovative products. Leverage your expertise in software development and AI applications to deliver impactful solutions while leadin...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Engage with clients as a Senior AI Software Engineer, integrating into teams or building products. Leverage your expertise in AI-driven applications and enterprise APIs to deliver innovative solutions...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Join a team that's shaping the future of AI by designing and building innovative applications. Collaborate with clients and lead technical initiatives while driving complex workflows and scalable solu...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Join a team that's shaping the future of AI by developing and deploying innovative applications. Collaborate with clients to enhance their systems and lead technical initiatives, ensuring high-quality...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Join a team that's transforming AI solutions by integrating with clients to design and build innovative applications. Leverage your expertise in software development and AI workflows to drive impactfu...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Innovate with cutting-edge AI technologies as you design and build scalable applications. Collaborate directly with clients or integrate into teams, driving impactful solutions in a dynamic environmen...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Join a team that's shaping the future of AI by developing and deploying innovative applications. Collaborate with clients to enhance their systems and lead technical initiatives in a dynamic, remote e...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Accelerate innovation by collaborating with clients to design and build AI-driven applications. Leverage your expertise in software development and enterprise APIs to deliver scalable solutions and le...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Lead the development of AI-driven applications, collaborating with clients to enhance their teams or build innovative products. Drive technical excellence and deliver scalable solutions in a dynamic...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Transform your career by joining a dynamic team as a Senior AI Software Engineer, where you'll collaborate with clients to enhance their projects through innovative AI solutions and hands-on developme...
6 days ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Join our team to deliver innovative AI solutions, collaborating directly with clients or building products. Leverage your expertise in software development and AI workflows to drive impactful results...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Elevate your career as a Senior AI Software Engineer, collaborating with clients to design and build innovative AI-driven applications while leading technical initiatives and enhancing enterprise inte...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Join a team that's pioneering AI-driven solutions, collaborating with clients to design and build innovative applications while leading technical initiatives and enhancing enterprise integrations...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Unlock your potential as a Senior AI Software Engineer, collaborating with clients to design and build innovative AI-driven applications while leading technical initiatives and enhancing enterprise in...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Join a team that's redefining AI solutions by integrating with clients to design and build innovative applications. Leverage your expertise in software development and AI workflows to drive impactful...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Pioneer innovative AI solutions by integrating with client teams or building products. Leverage your expertise in software development and AI workflows to deliver impactful results in a collaborative...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Empower clients by designing and building AI-driven applications, integrating with teams to deliver scalable solutions. Leverage your expertise in LangGraph and enterprise ecosystems to drive innovati...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Transform complex AI workflows by leveraging your expertise in software development and enterprise APIs. Collaborate with clients to design and build innovative solutions, ensuring seamless integratio...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Join a dynamic team as you tackle complex AI-driven applications, integrating with clients or building innovative solutions. Leverage your expertise in software development and enterprise APIs to deli...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Innovate the future of AI applications by leading development teams and integrating with clients. Drive complex workflows and deliver scalable solutions while enhancing technical leadership and collab...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Lead the charge in developing AI-driven applications, integrating with client teams, and delivering scalable solutions. Leverage your expertise in LangGraph and backend engineering to shape innovative...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$125K - $150K *
Empower innovation as a Senior AI Software Engineer, collaborating with clients to enhance their teams or build cutting-edge AI-driven applications. Leverage your expertise in software development and...
1 week ago
Senior AI Software Engineer (LangGraph) - Remote - USA
$135K - $160K *
Unlock potential by joining a dynamic team of engineers to design and build AI-driven applications, collaborating closely with clients to deliver innovative solutions and enhance enterprise configurat...
1 week ago
What is an API engineer?
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?
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?
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?
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?
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.