Java Frontier Engineer

TechDigital Group; Orlando (FL); On-site; USD 110,000 - 140,000; Full time

Job summary

TechDigital Group seeks a skilled Java Frontier Engineer to design and develop Java/Spring Boot microservices that consolidate inventory and availability data across multiple enterprise systems. You will build scalable, AI-ready APIs to support AI-powered conversational experiences.

You'll collaborate with AI teams, implement secure, resilient services using OAuth2, JWT, and cloud technologies, and ensure robust data integration with REST/SOAP, Kafka, Redis, and modern CI/CD pipelines.

Qualifications

• Proficient in Java 17/21 and core Java.
• Experience with Spring Boot and microservices.
• Strong experience designing REST APIs and OpenAPI/Swagger.
• Experience with Kafka or similar event-driven platforms.
• Experience with SQL databases and cloud platforms (Azure, AWS, or GCP).
• Familiar with CI/CD, Docker, Git, Maven/Gradle.
• Knowledge of API security (OAuth2, OIDC, JWT).

Responsibilities

• Develop Java 17/21 and Spring Boot microservices.
• Design API-first solutions and distributed systems architectures.
• Build and maintain enterprise integrations using REST/SOAP and messaging platforms.
• Create secure, scalable, and resilient services using OAuth2, JWT, Kafka, Redis, and cloud technologies.
• Partner with AI teams to expose backend capabilities through AI-consumable APIs and services.

Skills

Java expertise

Spring Boot

Microservices

REST APIs

OpenAPI/Swagger

Kafka

SQL databases

Cloud platforms

CI/CD

Docker

Git

Maven/Gradle

API security

OAuth2

JWT

Tools

OpenTelemetry

Datadog

Splunk

Dynatrace

Resilience4j

Redis

Job description

About the Role We are seeking a skilled Java Frontier Engineer to design and develop modern Java/Spring Boot microservices that consolidate inventory and availability data across multiple enterprise systems. This role will play a key part in enabling AI-powered conversational experiences by building scalable, secure, and AI-ready APIs.

Key Responsibilities

• Develop Java 17/21 and Spring Boot microservices.
• Design API-first solutions and distributed systems architectures.
• Build and maintain enterprise integrations using REST/SOAP and messaging platforms.
• Create secure, scalable, and resilient services using OAuth2, JWT, Kafka, Redis, and cloud technologies.
• Partner with AI teams to expose backend capabilities through AI-consumable APIs and services.

Required Skills

• Strong Java 17/21 and Core Java expertise.
• Spring Boot and Microservices architecture.
• REST APIs, OpenAPI/Swagger, JSON.
• Kafka or similar event-driven platforms.
• SQL databases and cloud platforms (Azure, AWS, or GCP).
• CI/CD, Docker, Git, Maven/Gradle.
• API security (OAuth2, OIDC, JWT).

Preferred Qualifications

• Experience with AI integrations, LLM function calling, or AI agents.
• Knowledge of Redis, Resilience4j, OpenTelemetry, Datadog, Splunk, or Dynatrace.
• Familiarity with BMaD framework and AI-driven development practices.