Java Developer Senior

KSTACK; São Paulo; Presencial; BRL 180 000 - 280 000; Tempo integral

Resumo da oferta

KSTACK seeks a senior backend engineer in São Paulo to design and implement scalable RESTful services using Java 11+ and Spring Boot, with strong AWS experience. The role focuses on building robust APIs, cloud integration, and scalable architectures in a fast-paced environment.

You will mentor junior developers, contribute to CI/CD pipelines, and work on integrating legacy systems with cloud services while ensuring production systems run reliably and efficiently.

Qualificações

• Advanced experience with Java 11+ / EE9+.
• Advanced experience with Spring Boot.
• Working knowledge of Python.
• Hands-on experience with AWS (Lambda, API Gateway, Step Functions).
• Experience with GitLab CI/CD and relational databases.
• Ability to design and maintain REST APIs and scalable applications.
• Experience integrating legacy/mainframe systems (COBOL, CICS, DB2, IMS) with cloud services.
• Experience building CI/CD pipelines.
• Ability to monitor and resolve production incidents.
• Experience mentoring junior and mid-level developers.

Responsabilidades

• Mentor junior and mid-level developers.

Conhecimentos

Java 11+

Spring Boot

Python

AWS Cloud

CI/CD (GitLab)

REST APIs

Legacy integration

CI/CD pipelines

Production incidents

Mentoring

Ferramentas

GitLab CI/CD

OpenShift

IBM DB2

IBM MQ

Redis

DynamoDB

Jira

ServiceNow

Descrição da oferta de emprego

Job Requirements:

• Advanced experience with Java 11+ / EE9+;
• Advanced experience with Spring Boot;
• Working knowledge of Python;
• Hands-on experience with AWS (Lambda, API Gateway, Step Functions);
• Experience with GitLab CI/CD and relational databases;
• Ability to design and maintain REST APIs and scalable applications;
• Experience integrating legacy/mainframe systems (COBOL, CICS, DB2, IMS) with cloud services;
• Experience building CI/CD pipelines;
• Ability to monitor and resolve production incidents;
• Experience mentoring junior and mid-level developers.

Nice-to-Have Skills (Preferred):

• JavaScript (Node.js, React.js, and Nest.js),
• Familiarity with tools and technologies like: IBM DB2, IBM MQ, Redis, DynamoDB, OpenShift, OAuth 2.0, Splunk, Dynatrace, Jira, and ServiceNow.

About the company

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