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.
Application Security Engineer (X Money)
$100K - $258K *
Shape the future of application security by safeguarding financial products through secure coding practices, threat modeling, and collaboration with development teams to enhance CI/CD pipelines and pr...
2 weeks ago
Application Security Engineer (X Money)
$100K - $258K *
Support the security of financial applications by conducting code reviews, implementing secure coding practices, and collaborating with development teams to enhance CI/CD pipelines, ensuring robust pr...
2 weeks ago
Application Security Engineer (X Money)
$100K - $258K *
Join a team that's dedicated to securing financial applications and systems. As an Application Security Engineer, you'll enhance code security, manage vulnerabilities, and implement best practices to...
2 weeks ago
Application Security Engineer (X Money)
$100K - $258K *
Innovate security measures for financial applications, ensuring robust protection against vulnerabilities. Collaborate with development teams to integrate security throughout the software lifecycle, f...
2 weeks ago
Senior Software Engineer - Integrations
$125K - $150K *
Transform your career by leading the design and implementation of critical integrations that enhance system connectivity and performance. Collaborate across teams to deliver high-quality solutions tha...
2 weeks ago
Software Engineer III (Frontend)
$125K - $150K *
Innovate cutting-edge financial products as a Senior Software Frontend Engineer, taking full ownership of projects. Collaborate with teams to enhance user experience and drive technical decisions in a...
3 weeks ago
$140K - $170K *
Shape the future of data engineering by building robust data pipelines and workflows. Collaborate across teams to enhance data quality and drive informed decision-making, while leveraging modern tools...
2 weeks ago
$120K - $145K *
Lead the charge in transforming healthcare technology by architecting innovative solutions that enhance patient access and care. Collaborate with industry leaders to tackle high-stakes challenges and...
1 week ago
Senior Staff Software Engineer, Gusto Agent & Partner Experiences (API)
$251K - $278K *
Grow your career with a Senior Staff Software Engineer role, leading technical initiatives and mentoring teams while developing a robust payroll platform. Engage with developers and AI agents to enhan...
6 days ago
$90K - $110K *
Contribute to innovative software engineering solutions that enhance energy and chemical process simulations, collaborating with global teams to design, develop, and maintain advanced software applica...
3 weeks ago
$185K - $245K *
Accelerate our backend systems by owning core components that enable real-time data processing, live video infrastructure, and AI integration, driving impactful improvements within a collaborative, mi...
3 weeks ago
$67K - $108K *
Join a dynamic team to innovate and enhance web applications using Angular and NodeJS. Leverage your expertise in distributed systems and REST API design to deliver high-quality features that drive cu...
6 days ago
$150K - $180K *
Elevate AI innovation by joining a high-impact engineering team. Take ownership of technical outcomes, contribute to cutting-edge projects, and collaborate with clients to solve complex problems while...
3 weeks ago
SDET (Software Development Engineer in Test) with Strong API Testing
$70K - $93K *
Elevate software quality by designing and implementing robust automation frameworks for web applications and APIs, ensuring seamless collaboration across teams to deliver high-quality cloud-native sol...
2 days ago
Data Engineer (Knowledge Graph Specialist)
$100K - $120K *
Engage with intelligence analysts to enhance data-driven decision-making. Collaborate on cloud-native applications and advanced analytics, driving innovation in the intelligence community while ensuri...
1 week ago
SDET (Software Development Engineer in Test) with Strong API Testing
$70K - $93K *
Elevate software quality by designing and implementing robust automation frameworks for web applications and APIs, ensuring seamless collaboration across teams and delivering high-quality cloud-native...
2 days ago
$110K - $130K *
Innovate backend solutions by designing and developing robust services in Java and Rust. Collaborate across teams to define architecture and optimize performance while mentoring junior developers and...
Reposted 2 weeks ago
$183K - $228K *
Join a team that's redefining developer experience by building innovative SDKs and APIs for third-party integrators. Collaborate across functions to deliver impactful solutions that enhance integratio...
2 weeks ago
$139K - $180K *
Build and optimize AI integration frameworks and agentic platforms, focusing on Python and Kubernetes. Collaborate with teams to ensure secure, scalable deployment of AI capabilities, enhancing our pr...
2 weeks ago
Staff Software Engineer - Digital Platform
$135K - $160K *
Drive the design and delivery of scalable, cloud-native microservices while leading technical efforts across distributed teams and ensuring architectural excellence and reliability in software solutio...
Reposted 2 days ago
Application Developer 2 - (Ghidra, Linux, AI/LLM)
$213K - $260K *
Engage in pioneering AI-assisted tools for reverse engineering, enhancing workflows and automating tasks. Collaborate with teams to innovate solutions, leveraging your software development expertise a...
2 weeks ago
Application Developer 2 - (Ghidra, Linux, AI/LLM)
$213K - $260K *
Join a pioneering team enhancing AI-assisted tools for reverse engineering. Leverage your software engineering skills in Linux and binary analysis to innovate workflows, automate tasks, and collaborat...
2 weeks ago
$130K - $155K *
Lead the design and delivery of scalable cloud-native microservices, ensuring architectural excellence and performance. Collaborate with distributed teams to enhance software functionality and mentor...
4 days ago
$110K - $130K *
Unlock your potential by building innovative TypeScript applications and AI-driven features. Own projects end-to-end, simplifying complex problems while enhancing our intelligence platform for analyst...
2 weeks ago
Staff Engineer or Architect (AI Agentic Team)
$135K - $160K *
Innovate and build end-to-end AI-driven agent systems that enhance workflows, ensuring compliance and performance in high-stakes environments. Collaborate cross-functionally to optimize AI productivit...
3 weeks 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.