Senior Java Software Engineer

Ambush; Barueri; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A technology-driven company based in Barueri, Brazil is seeking a Java developer to design and maintain scalable backend services. This role emphasizes building high-performance systems for seamless payment experiences. Candidates should have strong foundations in Java, backend development, and familiarity with payments or fintech environments. Critical responsibilities include optimizing application performance and ensuring compliance with security standards. Collaborating in English with the team is essential.

Qualificações

• Strong backend fundamentals and hands-on experience in Java development.
• Experience in payments or fintech environments is a plus.
• Proficiency in OOP, Design Patterns, and SOLID principles.

Responsabilidades

• Design, code, and maintain scalable services in a reactive architecture.
• Troubleshoot production incidents and optimize JVM performance.
• Ensure code quality and adhere to PCI compliance standards.
• Participate in code reviews and daily stand-ups.

Conhecimentos

Java

Back-end development

Reactive systems

Payments/Fintech knowledge

RESTful APIs

Concurrency management

Functional programming

Debugging

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.