Backend Developer

Osf Digital; Franco da Rocha; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A digital transformation company is seeking a developer to join their Conversion Squad. The focus will be on Back-end development utilizing Kotlin and Spring Boot while also supporting Front-end applications as needed. Responsibilities include developing scalable microservices, implementing REST APIs, and ensuring code quality. Ideal candidates should be proficient in Kotlin, have solid experience with microservices and databases, and demonstrate strong communication within an agile environment.

Qualificações

• Proficiency in Kotlin and Spring Boot is mandatory.
• Experience with at least one other Back-end language like Java, Python, Ruby, or Go.
• Familiarity with modern Front-end frameworks is a plus.

Responsabilidades

• Develop Back-end solutions ensuring functionality and maintainability.
• Implement and maintain microservices and REST APIs.
• Communicate clearly and proactively in daily meetings.

Conhecimentos

Proficiency in Kotlin

Experience with microservices

Solid experience with REST APIs

Knowledge of relational databases

Experience with automated testing

Familiarity with agile methodologies

Descrição da oferta de emprego

The professional will work primarily in the Conversion Squad, responsible for lead acquisition flows and marketing forms — a high‑impact and business‑critical area at Creditas. The main focus will be Back‑end development using Kotlin + Spring Boot.

The developer may also support small tasks in Front‑end / BFF applications built with Next.js and Node.js, collaborating closely with product and engineering teams.

Responsibilities

Develop Back‑end solutions ensuring functionality, maintainability, performance, and adherence to engineering best practices.

Build services aligned with business strategy, OKRs, and product initiatives.

Implement and maintain reliable and scalable microservices and REST APIs.

Create automated tests following the testing pyramid.

Work in a collaborative environment with pair programming and a strong feedback culture.

Communicate clearly and proactively in daily meetings, agile ceremonies, and when raising blockers.

Contribute to continuous improvement within the Conversion Squad projects.

Competencies

Strong and active communication — especially during daily meetings.

Proactive attitude in raising issues, proposing solutions, and seeking support when needed.

Ability to collaborate effectively with cross‑functional teams (product, design, engineering).

Organization and strong sense of ownership over deliverables.

Hard Skills — Mandatory (Must Have)

• Proficiency in Kotlin and Spring Boot (top priority).
• Solid experience with microservices and REST API architecture.
• Strong knowledge of relational databases.
• Experience with automated testing and understanding of the testing pyramid.
• Experience with at least one other Back‑end language: Java, Python, Ruby, Go (Kotlin is mandatory).
• Familiarity with agile methodologies (Scrum, Kanban).

Nice to Have

• Experience with modern Front‑end frameworks (React, Next.js, Angular, Vue.js).
• Knowledge of BFF using Node.js.
• Experience with messaging tools (Kafka, AWS SQS, etc.).
• Knowledge of Clean Code and Design Patterns.

Skill Set

• Kotlin + Spring Boot
• Microservices & Distributed Architecture
• REST APIs
• Relational Databases

Equal Opportunity Statement

OSF Digital is proud to be an equal opportunity employer, where you can bring your whole self to work. Join an inclusive and passionate community of professionals who help bring about digital transformation for businesses around the world. At OSF Digital, we welcome all individuals and do not discriminate on the basis of gender identity and expression, race, ethnicity, disability, sexual orientation, color, religion, national origin, age, marital status, or any other protected category in any of the jurisdictions in which we conduct business.