Backend Developer

Osf Digital; Dois Irmãos das Missões; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A leading digital transformation company is looking for a Back-end Developer to work primarily in the Conversion Squad, focused on Kotlin + Spring Boot. Responsibilities include developing robust back-end solutions and implementing scalable microservices. The ideal candidate will have strong communication skills and proactive collaboration abilities, with a mandatory proficiency in Kotlin and experience with REST APIs. This role offers an inclusive and dynamic work environment aimed at digital transformation for global clients.

Qualificações

• Proficiency in Kotlin and Spring Boot is mandatory.
• Strong knowledge of microservices and REST API architecture.
• Experience with automated testing and understanding of testing principles.

Responsabilidades

• Develop Back-end solutions ensuring functionality, maintainability, performance.
• Implement and maintain reliable and scalable microservices and REST APIs.
• Work collaboratively, communicating effectively in daily meetings and agile ceremonies.

Conhecimentos

Kotlin

Spring Boot

Microservices

REST APIs

Relational Databases

Automated Testing

Java

Python

Ruby

Go

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

Automated Testing

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.