API Backend Developer

Description

We are seeking a strong Backend Engineer to design, build, and maintain enterprise-grade APIs, middleware services, and data-driven backend systems. This role will focus on developing scalable API products, enabling API consumers, enforcing API governance standards, and supporting secure API onboarding and consumption patterns.

The ideal candidate has strong hands-on experience with REST APIs, API management, API product design, Swagger/OpenAPI documentation, security controls, and modern integration patterns, including hands-on experience building and maintaining MCP servers.

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Key Responsibilities

•  Design, develop, and maintain RESTful and event-driven APIs that meet enterprise standards for scalability, reliability, security, and maintainability.

•  Create and manage API products and API gateway, including:

o  Defining API product structure and access models.

o  Setting rate limits, quotas, and volume plans.

o  Configuring API security policies.

o  Publishing REST methods through Swagger/OpenAPI documentation.

•  Develop and maintain RESTful APIs that meet enterprise standards for scalability, reliability, security, and maintainability.

•  Configure API proxies, policies, routing, authentication, authorization, and traffic management controls.

•  Partner with application teams, provider teams, and consumer teams to support API onboarding and API consumption.

•  Support API lifecycle activities, including design, development, testing, publishing, versioning, promotion, and retirement.

•  Create, review, and maintain Swagger/OpenAPI specifications for APIs.

•  Ensure APIs are properly secured using modern authentication and authorization patterns such as OAuth 2.0, JWT, API keys, scopes, or similar mechanisms.

•  Assist API consumers with onboarding, app registration, credentials, subscription requests, and troubleshooting API access issues.

•  Collaborate with cross-functional teams to define API standards, governance practices, and reusable API patterns.

•  Monitor API performance, traffic, errors, and consumption trends.

•  Troubleshoot API integration issues across lower and production environments.

•  Support documentation and knowledge-sharing related to API products, onboarding processes, and consumption best practices.Required Qualifications

•  Extensive hands-on experience building and deploying production-grade RESTful APIs.

•  Proficient in Golang or Python.

•  Experience designing and creating API products within an API management platform.

•  Experience configuring:

o  Rate limits.

o  Quotas.

o  Security policies.

o  API products.

o  Developer apps or consumer applications.

o  API credentials.

•  Experience publishing REST API methods using Swagger/OpenAPI specifications.

•  Strong understanding of RESTful API design principles, HTTP methods, response codes, headers, payloads, and versioning strategies.

•  Familiarity with API onboarding processes, including registering applications, subscribing to API products, consuming APIs, and managing credentials..

•  Understanding of API security concepts, including OAuth 2.0, client credentials flow, bearer tokens, JWT validation, scopes, and access control.

•  Ability to troubleshoot API connectivity, authorization, routing, payload, and policy execution issues.

•  Experience with data serialization languages (JSON, YAML, and XML)

•  Strong communication skills with the ability to work with technical and non-technical stakeholders.

•  Experience working in Linux

•  Experience with CI/CD pipelines and API deployment automation.

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Preferred Qualifications

•  Experience with enterprise API catalogs, developer portals, or API marketplaces.

•  Experience with API subscription and approval workflows.

•  Experience with identity providers such as Azure AD, ForgeRock, Okta, Ping, or similar platforms.

•  Experience supporting internal, external, private, or partner-facing APIs.

•  Able to minimize dependency on third party libraries

•  Experience with cloud platforms such as Azure, Google Cloud Platform, or AWS.

•  Familiarity with logging, monitoring, and observability tools.

•  Experience working in Agile delivery environments.

•  Knowledge of API governance, reusable API design standards, and enterprise integration patterns.

•  Experience with a lower-level language such as C, C++, or Rust, particularly for performance-sensitive or systems-level work.

•  Experience with Apigee Hybrid.

•  Experience querying relational databases.

•  Experience in building, maintaining, and optimizing MCP servers

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Technical Skills

•  Golang or Python.

•  RESTful API design and development.

•  Apigee or similar API management platform.

•  Swagger/OpenAPI.

•  OAuth 2.0 and token-based security.

•  API product design.

•  Rate limiting, quotas, and traffic management.

•  API onboarding and consumption.

•  API security and access controls.

•  Postman or similar API testing tools.

•  JSON and YAML.

•  MCP, JSON-RPC, Context Engineering

•  CI/CD and deployment automation.

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Success Profile

The successful API Engineer will be able to:

•  Build secure, scalable, and well-documented APIs.

•  Build  MCP servers designed to reduce hallucination in an agentic AI workflow.

•  Design API products that are easy for consumers to discover, subscribe to, and use.

•  Apply API governance and security best practices.

•  Collaborate effectively with provider and consumer teams.

•  Troubleshoot complex API issues across environments.

•  Produce clear Swagger/OpenAPI documentation for API consumers.

•  Support the full API lifecycle from design through production suppor