Microservices & API Integration Engineer

TechDigital Group; Washington (District of Columbia); In loco; USD 150.000 - 190.000; Tempo pieno

Descrizione del lavoro

TechDigital Group is seeking an API-focused engineer to design, develop, and deploy scalable RESTful and GraphQL APIs within a microservices framework. You will build backend services with Node.js, FastAPI, Ariadne, and Go, and integrate with Databricks for analytics.

The role emphasizes secure, metadata-driven APIs, dynamic authentication, and serverless/microservices on AWS Lambda and EKS. Collaboration with frontend and data teams is essential.

Competenze

• 5+ years of experience in API development with GraphQL (Ariadne) and RESTful services.
• Proficiency in API design principles with metadata-driven exposure and adaptable authentication models.
• Experience with AWS Lambda, AWS Bedrock, and Kubernetes (EKS) for serverless/microservices.
• Hands-on design of scalable, modular API architectures.
• Expertise in OAuth2, JWT, API Gateway, and dynamic authentication mechanisms.
• Strong knowledge of OLAP workloads and Databricks integration for API-driven analytics.
• Experience with SQL/NoSQL databases (MongoDB, PostgreSQL, DynamoDB).
• CI/CD automation with Jenkins, GitHub Actions, AWS CodePipeline.
• Proficiency in API testing frameworks (Postman, Newman, Jest, Mocha, PyTest).
• Strong debugging, logging, and monitoring with Grafana/Prometheus/ELK.
• Nice to have: GraphQL federation, Apollo Server, AI/ML APIs.

Mansioni

• Design, develop, and maintain RESTful and GraphQL APIs.
• Build backend services using Node.js, FastAPI, Ariadne, and Go.
• Integrate with Databricks for API-driven analytics.
• Architect metadata-driven APIs with dynamic authentication.
• Deploy and scale services on AWS Lambda, Kubernetes, and Bedrock.
• Implement OAuth2, JWT, and API Gateway security models.
• Design efficient SQL/NoSQL database interactions.
• Create CI/CD pipelines (Jenkins, GitHub Actions, CodePipeline).
• Monitor performance and logs with Grafana, Prometheus, and ELK.
• Collaborate with frontend, data science, and DevOps teams.

Conoscenze

API development

GraphQL

REST

API design

AWS Lambda

Kubernetes (EKS)

OAuth2

JWT

API Gateway

Databricks

MongoDB

PostgreSQL

DynamoDB

CI/CD

Jenkins

GitHub Actions

AWS CodePipeline

API testing

Grafana

Prometheus

ELK

Descrizione del lavoro

API Management - API Gateway , APIGEE & Designing and deploying APIs as part of a microservices architecture . React, HTML , JS , NodeJS, Python , Lambda , CI/CD & RESTful API and GraphQL development

Design, develop, and maintain scalable RESTful APIs and GraphQL APIs using modern frameworks and best practices.

Develop backend services using Node.js (Express/Nest.js), FastAPI (Python-based services), Ariadne (GraphQL APIs), and Golang (Streaming services).

Integrate with Databricks to expose and manage OLAP (Online Analytical Processing) workloads, enabling API-driven data querying and analytics at scale.

Architect APIs following metadata-driven design principles, ensuring that data can be dynamically exposed to users inside or outside the system while maintaining dynamic authentication mechanisms.

Deploy and scale API services using AWS Lambda, Kubernetes (EKS), and AWS Bedrock for serverless and microservices-based architectures.

Implement authentication and authorization best practices (OAuth2, JWT, API Gateway) while supporting dynamic authentication models based on user roles and access control.

Design and optimize database interactions using SQL/NoSQL databases (MongoDB, PostgreSQL, DynamoDB).

Develop CI/CD pipelines for automated API deployment using AWS services (CodePipeline, Bedrock, CloudFormation).

Monitor and improve API performance, logging, and error handling using Prometheus, Grafana, and ELK stack.

Work on AI-driven API integrations including Recommender Systems, LLM-based AI Agents, and AI-powered Image & Video Processing workflows.

Collaborate with front-end engineers, data scientists, and DevOps teams to ensure seamless API integration and scalable deployments.

What are the must have skills for this position?

• 5+ years of experience in API development with GraphQL (Ariadne) and RESTful services.
• Strong hands—
• Proficiency in API design principles, focusing on metadata-driven frameworks that allow dynamic data exposure with adaptable authentication models.
• Experience with AWS Lambda, AWS Bedrock, and Kubernetes (EKS) for serverless and microservices architectures.
• Hands-on experience designing scalable and modular API architectures.
• Expertise in OAuth2, JWT, API Gateway, and dynamic authentication mechanisms.
• Strong knowledge of OLAP workloads and Databricks integration for API-driven data analytics.
• Experience with SQL/NoSQL databases (MongoDB, PostgreSQL, DynamoDB).
• CI/CD automation expertise (Jenkins, GitHub Actions, AWS CodePipeline).
• Proficiency in API testing frameworks (Postman, Newman, Jest, Mocha, PyTest).
• Strong debugging, logging, and monitoring skills (Grafana, Prometheus, ELK stack).

Nice to Have

• Experience with GraphQL federation and Apollo Server.
• Knowledge of AI/ML APIs and LLM-based chatbot APIs (OpenAI, Hugging Face, LangChain).
• Experience with streaming technologies (Kafka, WebSockets, Golang-based streaming).
• Prior work with AI-powered data mapping, recommender systems, and real-time processing APIs.