Mid-level Software Engineer | Core Banking
Curitiba | On-site
EBANX is one of the most successful fintechs to emerge from Latin America and today we are building a truly global payments company. Our mission has remained constant from day one: to unlock access and enable companies and consumers to participate in the digital economy, no matter where they are.
What started as a bold vision has grown into a platform that connects some of the world’s largest digital businesses with customers across 21 of the fastest-growing markets. We operate where complexity exists — turning local challenges into global opportunities, and building the infrastructure that allows payments to move further, faster, and smarter.
We are a team of builders and problem-solvers. We think globally, act with curiosity, and believe diversity of thought is a competitive advantage.
At EBANX’s Engineering team, you don’t just write code. You help build and operate scalable solutions that ensure reliability and performance for millions of global transactions. Your work will contribute directly to the evolution of our platform, with a strong focus on system observability, reliability, and continuous improvement.
You will work in a team of experienced developers, contributing to a platform that processes millions of transactional requests every day. We cultivate an engineering culture that values sustainable quality, continuous delivery, high availability, fast feedback loops, and data-driven decision making.
Responsibilities
- Write, test, and maintain code in an incremental, well-documented, and production-oriented way;
- Contribute to code reviews and collaborate with teammates to improve code quality and system design;
- Follow your code through production, helping monitor, troubleshoot, and improve system behavior;
- Work with observability tools (metrics, logs, traces) to understand system performance and reliability;
- Help evolve internal tools and platform capabilities that improve developer experience and operational efficiency;
- Collaborate with cross-functional teams such as Product, Risk, Finance, and Business;
- Contribute to the reliability and scalability of a high-throughput, high-availability system;
- Participate in improving system monitoring, alerting, and incident response practices;
Qualifications
- Experience building and maintaining software systems in production environments;
- Solid experience with Java and backend development (experience with frameworks like Spring Boot is a plus);
- Solid understanding of software engineering fundamentals (data structures, APIs, concurrency basics, persistence);
- Familiarity with version control systems (Git or similar);
- Willingness to learn and work with observability and platform-related topics;
- Ability to learn new technologies and adapt to different parts of the stack;
- Good collaboration and communication skills;
- English skills sufficient for reading/writing technical content and collaborating with global teams;
Bonus points if you have
- Experience or interest in observability practices (monitoring, logging, tracing);
- Familiarity with cloud environments (preferably AWS) and modern infrastructure concepts;
- Understanding of system performance, latency, and reliability concerns;
- Experience with distributed systems or asynchronous processing (even at a basic level);
- Knowledge of SQL and relational databases;
- Experience with CI/CD pipelines and automation;
- Familiarity with the Java ecosystem (Spring, JVM tuning basics, etc.);
- Curiosity about improving developer experience and internal platforms;
Our Tech Environment
- Main stack: Java (Spring Boot) and MySQL;
- Observability and tooling: DataDog, NewRelic, Elastic, Kibana, and others;
- Cloud environment: AWS;
EBANX offers
- Performance Bonus: Annual bonus program based on company results.
- Meal Allowance: Monthly allowance to support your meals.
- EBANX Education: Financial assistance for undergraduate, graduate, and MBA programs to support your professional growth.
- EBANX Skills: Dedicated budget for courses, certifications, and workshops to encourage continuous learning.
- Language Classes: Language classes to support your personal and professional development.
- Health & Well-being: Medical and dental plans with extensive coverage, including support for dependents and wellness programs.
- Flexible Work Culture: Semi-flexible hours, additional day off on your birthday, and year-end break to support work-life balance.
- Well-being Program: Access to activities and resources that promote physical and mental health.
We believe it is possible to create a diverse, equal and inclusive environment.
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