Senior Java Developer - AI-Driven Microservices Lead

TechDigital Group; Plano (TX); On-site; USD 170,000 - 230,000; Full time

Job summary

TechDigital Group is seeking a senior full-stack engineer to lead end-to-end delivery of scalable Java Spring Boot applications with GraphQL/REST APIs on AWS. You will drive architecture, define service boundaries, and ensure secure, high-quality production code with strong observability.

You will guide API governance, implement OIDC/OAuth2 security, and champion best practices in CI/CD, testing, and reliability across complex microservices.

Qualifications

• 12+ years of full stack engineering delivering and operating production systems in senior/lead capacity.
• Expertise in Java Spring Boot for API development, DI, validation, error handling and performance tuning.
• Strong GraphQL design, federation, caching, and API governance.
• REST API design with OpenAPI, pagination, idempotency and backward compatibility.
• OIDC/OAuth2 implementation with token flows, scopes, and least-privilege access control.
• Hands-on AWS design, deployment, and operation of cloud-native apps, IAM and networking basics.

Responsibilities

• Lead end-to-end delivery of full stack solutions using Java Spring Boot, GraphQL/REST, and AWS services.
• Drive architecture and design reviews, define service boundaries, API contracts, data models, and integration patterns.
• Develop secure, production-grade code; perform code reviews; enforce engineering standards.
• Build and maintain highly available, scalable services with emphasis on reliability, performance, cost awareness, and maintainability.
• Implement and govern authentication/authorization using OIDC/OAuth2, token validation, scopes/claims, and service-to-service security.
• Establish robust observability practices (structured logs, metrics, tracing) and incident readiness (runbooks).
• Evaluate vendor/internal solutions for architectural fit, security posture, scalability, and operability; guide adoption decisions.

Skills

Java Spring Boot

Microservices

AWS

REST API

GraphQL

OIDC/OAuth2

Kafka

DevOps

AI integration

Tools

OpenAPI

Git

CI/CD

Job description

TechDigital Group is seeking a senior full-stack engineer to lead end-to-end delivery of scalable Java Spring Boot applications with GraphQL/REST APIs on AWS. You will drive architecture, define service boundaries, and ensure secure, high-quality production code with strong observability.

You will guide API governance, implement OIDC/OAuth2 security, and champion best practices in CI/CD, testing, and reliability across complex microservices.