Hire API Developers in Vietnam | Offshore Staffing by THIENTU BPO

APIs (Application Programming Interfaces) have become a fundamental component of modern software development. They allow different systems, platforms, and services to communicate with each other, creating a seamless flow of data and functionality. API Developers are essential to building, integrating, and maintaining these connections, ensuring that data is transferred securely and efficiently across different applications. However, hiring experienced API Developers locally can be time-consuming and costly, especially for businesses looking to scale.

Vietnam offers an ideal offshore solution, with a growing pool of talented API Developers skilled in various programming languages, API protocols, and integration techniques. THIENTU BPO helps businesses build dedicated, high-performing offshore API development teams in Vietnam—fully integrated, efficient, and supported to create and maintain powerful API systems that support your business growth.

What Is an API Developer?

An API Developer is a software engineer responsible for designing, building, and maintaining APIs that enable communication between different software applications. They work with programming languages like Java, Python, Ruby, Node.js, or PHP and use protocols such as REST, SOAP, or GraphQL to create APIs that are efficient, scalable, and secure. API Developers also ensure that APIs are properly integrated with existing systems and databases, and they manage API documentation to facilitate smooth collaboration across development teams. Their primary goal is to create APIs that enable seamless communication and data transfer between different services and applications.

Why Hire API Developers in Vietnam?

Vietnam has become a leading destination for global outsourcing across a wide range of roles — from technical and creative to customer-facing and back-office functions. Here’s why companies worldwide are choosing Vietnam:

• Skilled and Educated Workforce
  Vietnam offers a large pool of highly skilled developers with expertise in API development, programming languages, integration techniques, and security protocols.

• English Proficiency and Global Readiness
  Many professionals are fluent in English and familiar with Western business practices, ensuring smooth communication and collaboration.

• Cost-Effective Talent Solutions
  Vietnam offers highly skilled API Developers at a fraction of the cost compared to traditional outsourcing markets like India, the Philippines, and Western countries.

• Supportive Business Environment
  The Vietnamese government actively supports the IT, BPO, and digital services sectors, making it easier to build and scale offshore teams.

• Time Zone Flexibility
  With working hours that overlap with APAC, Europe, and North America, Vietnam enables real-time collaboration across global teams.

API Developer Roles You Can Hire

• Senior API Developer

• Junior API Developer

• API Integration Specialist

• Backend API Developer

• RESTful API Developer

• SOAP API Developer

• API Security Specialist

What Your Offshore API Developer Can Support

• Developing and maintaining APIs for seamless communication between applications and services

• Integrating third-party APIs into your software systems

• Designing RESTful APIs, SOAP APIs, or GraphQL APIs based on project requirements

• Ensuring API security by implementing authentication and authorization mechanisms

• Optimizing API performance and troubleshooting issues to ensure scalability and reliability

• Writing comprehensive API documentation to support internal teams and third-party developers

• Working with cloud services like AWS, Azure, or Google Cloud to integrate APIs with cloud platforms

• Managing API versioning, updates, and backward compatibility to ensure smooth integrations across systems

Hire API Developers with the Right Skills

• Proficiency in programming languages such as Java, Python, Node.js, PHP, Ruby, or Go

• Strong experience in designing and building RESTful APIs, SOAP APIs, or GraphQL APIs

• Knowledge of API frameworks like Express, Flask, Django, or Spring Boot

• Experience with API authentication methods (OAuth, API keys, JWT) and security protocols

• Familiarity with API documentation tools such as Swagger or Postman

• Understanding of cloud platforms like AWS, Google Cloud, or Microsoft Azure

• Strong problem-solving skills and the ability to optimize API performance for scalability

• Excellent communication skills to collaborate with cross-functional teams and integrate APIs into business systems

Salary Comparison Table: Vietnam vs USA vs Singapore

Note: Salary ranges are estimates based on publicly available data and recruitment market reports as of June 2025. Sources include Glassdoor, and Robert Walters.

How THIENTU’s Proven Hiring Process Works

We make it easy to hire top remote talent through a structured, fast-tracked process that works across all roles and markets:

1. Define Your Needs
   Specify the role, skill set, industry focus, language or technical requirements, and timeline—so we can tailor the search from day one.

2. Review Qualified Candidates
   Receive a curated shortlist of pre-vetted candidates in just 5–7 business days, carefully selected to meet your defined criteria.

3. Interview & Select
   Evaluate candidates through interviews or test projects. We support you in making confident hiring decisions based on proven qualifications.

4. Launch with Support
   We handle onboarding, secure access, compliance, and performance tracking—ensuring a seamless start and ongoing success.

Why Hire API Developers in Vietnam with THIENTU BPO

• Award-Winning Excellence: Proud recipient of the Samsung Top Global Performance Award for Call Chat NPS in Customer Contact Center, reflecting our commitment to outstanding service quality and client satisfaction.

• Experienced Team: Extensive expertise in quickly establishing and integrating offshore teams tailored to client-specific needs.

• Quality and Security: Certified with ISO/IEC 27001:2022 (Information Security) and ISO 9001:2015 (Quality Management), ensuring reliable and secure staffing solutions.

• Comprehensive Support: Full administrative, HR, payroll, and IT infrastructure support, enabling you to focus solely on strategic management.

• Rapid Implementation: Proven ability to recruit and onboard dedicated teams in record time.

• Flexible and Scalable Solutions: Adaptable staffing models that can scale seamlessly with your business growth.

• Transparent SLAs: We commit to clear service-level agreements ensuring accountability and consistent delivery.

Sample Job Description – Offshore API Developer

Key Responsibilities:

• Develop, test, and deploy APIs for integration with various systems and applications

• Design and maintain scalable, high-performance APIs that meet business needs

• Collaborate with frontend and backend development teams to integrate APIs into various applications

• Ensure security measures are in place for API authentication and data protection

• Write and maintain API documentation, providing clear guidelines for internal and external developers

• Optimize API performance and troubleshoot issues as needed

• Manage the full API lifecycle, from design to deployment and updates

Essential Skills & Qualifications:

• 3+ years of experience in API development, including RESTful, SOAP, and GraphQL APIs

• Strong experience with programming languages such as Java, Python, PHP, or Node.js

• Familiarity with API frameworks like Express, Flask, Django, or Spring Boot

• Experience with cloud services such as AWS, Google Cloud, or Microsoft Azure

• Knowledge of API security protocols such as OAuth, JWT, and API keys

• Excellent problem-solving skills and the ability to optimize API performance

• Experience with API testing tools like Postman and Swagger

• Strong communication skills to collaborate with cross-functional teams and integrate APIs seamlessly

FAQs

How do you evaluate API Developer candidates?

We evaluate candidates based on their experience with API design and development, their proficiency with programming languages and API frameworks, and their ability to integrate and optimize APIs. We also assess their understanding of API security, performance optimization, and documentation.

Can offshore API Developers handle large-scale integrations?

Yes, our offshore API Developers are experienced in working on large-scale integrations, ensuring that APIs are optimized for high performance and scalability.

What tools do offshore API Developers use?

Our API Developers are proficient in tools such as Postman, Swagger, and various cloud platforms like AWS and Google Cloud. They are also familiar with API testing, security tools, and version control systems like Git.

How quickly can I hire an offshore API Developer?

You can receive a shortlist of qualified candidates in 5–7 business days. Once selected, onboarding and integration can begin immediately with full support from THIENTU BPO.

How do you ensure the quality of API work from offshore teams?

THIENTU ensures regular performance tracking, code reviews, and collaboration with internal teams to ensure that our offshore API Developers meet or exceed expectations for integration quality, security, and performance.

Ready to Enhance Your Integration Capabilities with Offshore Expertise?
THIENTU BPO helps you hire skilled, cost-effective API Developers in Vietnam—ready to integrate, optimize, and build high-performance APIs for your business. Contact us today to start building your offshore API development team.