Senior Java Software Engineer

Ambush; Cambé; Presencial; BRL 80.000 - 120.000; Tempo integral

Resumo da oferta

A dynamic tech company based in Brazil is seeking a Java Developer to enhance scalable, reactive payment systems. The ideal candidate will possess strong backend fundamentals, experience in building high-performance services, and familiarity with PCI compliance. Responsibilities include maintaining services, optimizing JVM performance, and participating in code reviews. An opportunity to grow within a collaborative team focused on meaningful outcomes awaits you.

Qualificações

• Strong backend fundamentals and hands‑on experience in payments or fintech.
• Experience with high‑performance, reactive mid‑tier services.

Responsabilidades

• Design, code, and maintain scalable services within distributed reactive architecture.
• Troubleshoot production incidents and optimize JVM memory management.
• Ensure code quality through rigorous testing and adhere to PCI compliance.
• Participate in code reviews and daily stand‑ups in English.

Conhecimentos

Object-Oriented Programming (OOP)

Design Patterns

SOLID principles

Reactive Programming

RESTful APIs

Descrição da oferta de emprego

About the Company

Ambush is a people first company where talented, thoughtful individuals come together to build meaningful products and lasting partnerships. We believe the best work happens when people feel supported, trusted and empowered to bring their full abilities to the table.

Since 2015, because of our people first and long term mindset, we have grown into a partner relied on by some of the best companies in the world. We combine strong engineering, design and strategy with a growing strength in AI to help our clients see what is next and achieve bigger outcomes.

At the heart of everything we do is our team. We collaborate, take risks, lift each other up and take pride in doing work the right way, not settling for a quick makeshift solution. If you join Ambush, you join a group of people who want you to succeed and who show up for each other every day.

We believe in and expect real teamwork, a constant drive to be better, and delivering meaningful long term outcomes that we can be proud of together.

About the Role

We’re looking for a Java developer with strong backend fundamentals and hands‑on experience building scalable, reactive systems, ideally in payments or fintech environments.

This role focuses on building and maintaining a high‑performance, reactive mid‑tier service that powers seamless payment experiences for millions of users.

Responsibilities

• Develop & Maintain : Design, code, and maintain scalable services within a distributed reactive architecture.
• Debug & Optimize : Troubleshoot production incidents and optimize JVM memory management and application throughput.
• Testing & Compliance : Ensure code quality through rigorous testing and adhere to strict PCI compliance security standards.
• Collaborate : Participate in code reviews, technical planning, and daily stand‑ups in English.

Technical Qualifications

• Core Concepts : Strong grasp of OOP, Design Patterns, and SOLID principles.
• Functional Programming : Proficiency with functional concepts (Lambdas, Streams, Optionals) and reactive programming models.
• Concurrency : Experience dealing with race conditions, deadlocks, and thread safety in a multi‑threaded environment.
• API Development : Strong experience building and consuming RESTful APIs.