Offer summary

Qualifications:

3–6+ years of experience developing production-grade APIs using Python (FastAPI), Node.js (Express), or Go., Hands-on experience designing and maintaining scalable API services., Familiarity with enterprise API Gateway solutions like Kong, Mongo, MuleSoft, or APISIX., Proficiency in RESTful API design, authentication standards (OAuth 2.0, JWT), and cloud-native architectures (AWS, GCP, Azure)..

Key responsibilities:

Design and develop a robust API layer integrating various services.

Implement request routing, fallback strategies, and dynamic service selection.

Develop secure authentication and authorization mechanisms, enforce rate limits and quotas.

Create API documentation, logging, monitoring, and collaborate with teams for integration.

Celara transforms your vision into reality by building elite near-shore technology teams with CTO-level expertise. Specializing in machine learning, enterprise software, and product development, Celara is dedicated to driving innovation through high-performance teams tailored to the unique needs of our ambitious clients. At Celara, we are more than just a service provider; we are technologists, entrepreneurs, and innovators deeply invested in your success. We build and foster elite teams aligned with your most ambitious goals. Our approach mirrors that of a CTO—focused on people, talent, structure, systems, and innovation. We are your partners in innovation, bringing deep technical expertise and a relentless drive to push the boundaries of what’s possible. We thrive on turning complex challenges into solutions, working side by side with your team to transform bold ideas into impactful realities. Ideal for: - VC-backed companies needing top talent to fuel growth - Established enterprises seeking more affordable elite technology professionals - Organizations requiring scalable tech teams with embedded strategic guidance Join us on this journey of growth and innovation. Let's transform your visions into reality together.

We are looking for an experienced API Engineer to design and build a highperformance unified API platform that connects our applications to multiple external and internal services.

This is a handson engineering role where you will architect, implement, and optimize secure, reliable APIs that serve as the foundation of our nextgeneration product capabilities.

Key Responsibilities:Design and Develop: Build a robust API layer that integrates with a variety of thirdparty and internal services.
Routing and Orchestration: Implement request routing, fallback strategies, and dynamic service selection logic.
Authentication & Security: Develop secure authentication and authorization mechanisms (API keys, OAuth, RBAC).
Rate Limiting and Quotas: Enforce perclient rate limits and usage quotas to control access and protect resources.
Observability: Implement logging, tracing, and monitoring of requests and responses for analytics and debugging.
Performance Optimization: Ensure lowlatency, highavailability API endpoints, including caching strategies and load balancing.
Collaboration: Work closely with product and engineering teams to integrate the API platform into the broader infrastructure.
Documentation: Create clear API documentation, developer guides, and internal tooling for easier adoption.

About You:
Experience:
3–6+ years developing productiongrade APIs in Python (FastAPI), Node.js (Express), or Go.
Handson experience designing and maintaining scalable API services.
Experience working with enterprise API Gateway solutions (Kong, Mongo, MuleSoft, APISIX
Familiarity with cloudnative architecture (AWS, GCP, or Azure)

Technical Skills:
Proficiency in RESTful API design principles.
Strong understanding of authentication standards (OAuth 2.0, JWT).
Experience with rate limiting, caching (Redis), and monitoring tools.
Comfort integrating external APIs and designing clean abstraction layers.

Mindset:
You value clean code, clear documentation, and thoughtful testing.
You’re comfortable working in earlystage environments and iterating quickly.
You have strong communication skills and a collaborative approach.

Nice to Have:
Experience working on multitenant platforms or largescale API gateways.
Familiarity with prompt management or workflow orchestration (not required).
Exposure to observability stacks (OpenTelemetry, Datadog, Prometheus)