Middleware / Integration Engineer / API Developer (Junior / Mid-Level / Senior)

Job Summary:

We are seeking Middleware / Integration Engineers and API Developers to join our engineering team. This role involves designing, developing, and maintaining robust integration solutions and APIs that connect internal systems, third-party services, and customer-facing applications.

You will play a key part in ensuring seamless data exchange, real-time communication, and system interoperability within a fast-paced, growing organization. Whether you are an entry-level engineer or a seasoned professional, you will have the opportunity to work with modern integration tools, microservices architectures, and API management platforms, while collaborating closely with development, DevOps, and product teams.

Key Responsibilities:

Common Responsibilities (All Levels):

• Design, build, and maintain RESTful APIs, SOAP services, and middleware solutions.
• Work with stakeholders to gather integration requirements and translate them into technical specifications.
• Implement data transformation, orchestration, and routing logic using middleware tools or custom code.
• Troubleshoot and resolve integration issues between systems and services.
• Ensure APIs and integrations are secure, scalable, and well-documented.
• Monitor and maintain API performance, uptime, and error rates.

Additional Responsibilities (Mid-Level):

• Take ownership of specific integration modules or services and ensure their reliability.
• Work on API versioning, authentication/authorization (OAuth2, JWT), and lifecycle management.
• Optimize integrations for performance, latency, and throughput.
• Collaborate with DevOps to implement CI/CD pipelines for API deployment.
• Provide mentorship and guidance to junior engineers on API design best practices.

Additional Responsibilities (Senior):

• Architect end-to-end integration solutions for complex enterprise environments.
• Lead integration strategy, API governance, and standardization efforts.
• Evaluate and implement API management platforms (Apigee, Kong, MuleSoft, WSO2, AWS API Gateway).
• Define best practices for security, monitoring, logging, and analytics.
• Serve as a subject matter expert, conducting code reviews, design reviews, and technical workshops.
• Act as an escalation point for critical integration failures and production incidents.

Required Skills:

• Strong understanding of API design principles (REST, SOAP, GraphQL).
• Proficiency in programming languages such as Java, Python, Node.js, or C#.
• Experience with middleware/integration tools (MuleSoft, Dell Boomi, WSO2, Apache Camel, Tibco, etc.).
• Knowledge of message brokers and queues (Kafka, RabbitMQ, ActiveMQ).
• Familiarity with API management and documentation tools (Swagger/OpenAPI, Postman).
• Experience with authentication/authorization standards (OAuth2, SAML, JWT).
• Good understanding of data formats and protocols (JSON, XML, SOAP, REST, gRPC).

Experience Range:

1–8 years of experience in API development, middleware engineering, or enterprise system integration.
Final designation (Junior / Mid-Level / Senior) will be determined based on experience, technical expertise, and interview performance.

Preferred Qualifications (Optional):

• Hands-on experience with cloud integration services (AWS Lambda, Step Functions, Azure Logic Apps, GCP Cloud Functions).
• Familiarity with event-driven architecture and streaming data pipelines.
• Understanding of DevOps practices and containerized deployments (Docker, Kubernetes).
• Experience working in agile environments with CI/CD pipelines.
• Exposure to enterprise service bus (ESB) architectures.

Soft Skills:

• Excellent analytical and problem-solving abilities.
• Strong collaboration and communication skills to work with cross-functional teams.
• Ability to document and present technical solutions clearly.
• Ownership mindset and ability to work under minimal supervision (senior roles).
• Continuous learning attitude, especially about new integration patterns and technologies.

Benefits & Perks:

• Flexible work model (onsite / hybrid / remote).
• Competitive salary package based on skills and experience.
• Health insurance and wellness programs.
• Professional development opportunities, certifications, and training support.
• Exposure to enterprise-grade integration projects and modern API platforms.
• Career growth path toward Integration Architect or API Lead Engineer roles.

Location:

Onsite / Hybrid / Remote (depends on company/project requirements).

Compensation:

Competitive salary – aligned with market standards and commensurate with experience level.