Senior Java API & Microservices Integration Engineer

Programmers.io; Columbus (OH); On-site; USD 90,000 - 120,000; Full time

Job summary

Programmers.io is seeking an experienced Java/API Integration Developer to design, build, and support API-driven integrations and microservices. The role focuses on Java, Spring Boot, and Azure API Management, with Kafka-based messaging and secure file transfer using SFTP/PGP.

Strong security and DevOps practices are essential. Candidates should bring 10+ years of integration experience, proficiency with REST APIs, OpenAPI, and Swagger, and demonstrated ability to implement OAuth/OpenID, JWT,

Qualifications

• 10+ years of related experience in integration or API development.
• Proficient in Java, Spring Boot and REST APIs.
• Experience with Kafka, SFTP/PGP and secure file transfer.
• Strong knowledge of OAuth 2.0, OpenID Connect, JWT, API keys, certificates, and mutual TLS.

Responsibilities

• Develop and deploy REST APIs and Java/Spring Boot microservices.
• Configure and manage Azure API Management.
• Build Kafka-based integrations and secure SFTP/PGP file transfer solutions.
• Implement security controls such as OAuth, JWT, API keys, and certificates.
• Support CI/CD, monitoring, logging, and deployment automation.
• Create technical documentation and collaborate with cross-functional teams.

Skills

Java

Spring Boot

REST APIs

OpenAI/Swagger

Kafka

ETL

batch processing

SFTP

PGP

Secure file transfer

OAuth 2.0

OpenID Connect

JWT

API keys

certificates

mutual TLS

Git

Azure DevOps

CI/CD

monitoring

production support

Job description

Programmers.io is seeking an experienced Java/API Integration Developer to design, build, and support API-driven integrations and microservices. The role focuses on Java, Spring Boot, and Azure API Management, with Kafka-based messaging and secure file transfer using SFTP/PGP.

Strong security and DevOps practices are essential. Candidates should bring 10+ years of integration experience, proficiency with REST APIs, OpenAPI, and Swagger, and demonstrated ability to implement OAuth/OpenID, JWT,