Senior API Integration Developer (MuleSoft/WSO2 / Equivalent Exp)

Blaseek; Taguig; On-site; PHP 500,000 - 1,000,000; Full time

Job summary

Blaseek is seeking experienced API Integration Developers to build APIs and integrations for enterprise clients. You will design, implement, and optimize scalable integration solutions using MuleSoft or WSO2 and related platforms.

Ideal candidates have hands-on API and integration experience, strong Java skills, and familiarity with REST/SOAP. Training support is provided for non-certified applicants. Senior roles require leadership capabilities.

Qualifications

• Hands-on API development and integration experience.
• Experience with MuleSoft, WSO2, or equivalents (Boomi, Apigee, IBM API Connect).
• Strong knowledge of Java or similar backend languages.
• Proficiency in REST/SOAP web services and integration concepts.
• Experience with version control systems (Git, GitLab, Azure DevOps).
• MuleSoft/WSO2 certification preferred but not required (training provided).

Responsibilities

• Design and build RESTful APIs and system integrations from the ground up.
• Implement scalable, secure, and reusable integration solutions.
• Work with MuleSoft or WSO2 depending on project assignment.
• Collaborate with cross-functional and global teams to meet integration needs.
• Troubleshoot and resolve integration issues and performance bottlenecks.
• Participate in code reviews and contribute to best practices.

Skills

API development

Integration

Java

REST/SOAP

Git

Certification willingness

Tools

MuleSoft

WSO2

Boomi

Apigee

IBM API Connect

Job description

We are hiring experienced API Integration Developers to join a growing integration team delivering solutions for enterprise clients. The role focuses on building APIs and integrations from scratch, using MuleSoft or WSO2 as the primary tools. Experience with similar platforms such as Boomi, Apigee, or IBM API Connect is also welcome. Training and certification support will be provided for non-certified candidates.

What You’ll Do

• Design and build RESTful APIs and system integrations from the ground up
• Implement scalable, secure, and reusable integration solutions
• Work with MuleSoft or WSO2, depending on project assignment
• Collaborate with cross-functional and global teams to meet integration needs
• Troubleshoot and resolve integration issues and performance bottlenecks
• Participate in code reviews and contribute to establishing best practices

What We’re Looking For

For Developer-Level Roles

• Solid hands-on experience in API development and integration
• Experience using MuleSoft, WSO2, or equivalent tools such as Boomi, Apigee, or IBM API Connect
• Strong knowledge of Java or similar backend programming languages
• Proficiency in web services (REST, SOAP) and integration concepts
• Experience with version control systems like Git, GitLab, or Azure DevOps
• MuleSoft/WSO2 certification is preferred but not required (training support available)

For Senior/Lead-Level Roles (C1/C2)

• All of the above plus:
• Proven people management experience
• Strong stakeholder communication and coordination skills
• MuleSoft or WSO2 certification is required at this level

Preferred Skills (All Levels)

• Experience working in cloud environments (AWS, Azure, or GCP)
• Familiarity with CI/CD, containerization (Docker/Kubernetes)
• Knowledge of RDBMS/SQL and messaging protocols (e.g., JMS, FTP, SMTP)
• Prior experience in consulting or enterprise integration delivery is a plus