Description
Job Summary:
We are seeking a Software Engineering Consultant – Architecture to work in a technical, collaborative, and innovative environment at B3, with a focus on high availability and performance.
Key Highlights:
1. Work on critical infrastructure for the financial market
2. Highly technical and collaborative environment
3. Impact, autonomy, and continuous growth
**Date:** Jan. 30, 2026
**Location:** São Paulo, São Paulo
**Company:** B3 S.A. – Brasil, Bolsa, Balcão
**Join us in building the future with B3!**
We currently have **multiple open opportunities to work as a Software Engineering Consultant – Architecture** at B3, one of the world’s leading financial market infrastructures. Here, we work daily to ensure **high availability, performance, security, and innovation**, supporting critical operations that drive a large portion of the Brazilian economy.
**About the Opportunities**
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Positions are distributed across various B3 business areas and products, ranging from corporate platforms to mission-critical systems, ultra-low-latency environments, and continuously modernized distributed solutions. Each area presents its own challenges and characteristics, yet all share a highly technical, collaborative, and excellence-oriented environment.
If you seek real challenges, impact, autonomy, and continuous growth, B3 is the ideal place for your next career step.
**Your Day-to-Day Responsibilities**
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Depending on your assigned area, your responsibilities may include:
* Working as a developer within a squad;
* Serving as the squad’s technical leader, acting as liaison between other B3 departments;
* Designing the architectural framework for all B3 Balcão integration platforms;
* Technical refinement of technology requirements;
* Direct involvement in FinOps;
* Defining distributed architecture using Azure/OCI cloud providers;
* Developing solutions using the JAVA programming language;
* Building queries using Oracle/SQL Server databases.
**Area Responsibilities**
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Depending on your assigned unit, your deliverables may support essential systems such as:
* Trading, post-trading, risk, and clearing platforms;
* Processing and calculation of listed and over-the-counter financial products;
* Pricing systems, yield curves, volatility models, and trading tunnels;
* High-availability, low-latency, and high-volume transactional environments;
* Distributed architectures and B3’s strategic solutions.
**What We Expect From You:**
* Completed undergraduate degree;
* Knowledge of distributed architecture using Azure/OCI/AWS cloud providers;
* Experience with microservices;
* Development experience using the JAVA programming language;
* Proficiency in Spring Boot;
* Experience building queries using Oracle/SQL Server databases;
* Familiarity with Kafka/Openshift platforms.
**Preferred Qualifications**
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* Knowledge of Python programming language;
* Knowledge of NoSQL databases;
* Experience with test automation;
* Familiarity with Agile methodologies;
* Proficiency with Atlassian tools (Jira/Confluence/Bitbucket);
* Development experience using the C# programming language;
* Knowledge of messaging systems;
* Knowledge of Angular.
**Benefits**
* Bradesco Saúde medical and dental coverage
* Meal allowance (R$ 600/month)
* Food voucher (R$ 50 per business day)
* Transportation allowance and partial reimbursement for shuttle services
* Wellhub (Gympass) and TotalPass, extendable to dependents
* Club of Benefits offering discounts across hundreds of companies
* Hybrid work model and flexible dress code (“Dress as you are!”)
* Alura online learning platform
* Quality-of-life programs: personal support, workplace gymnastics, birthday day off, free museum admission, quick massage, and more
* Funeral assistance for you and your pet
**Recognitions**
* **Top Employer Brasil** (2020–2025);
* **Best Companies to Work For** (Financial Institutions, Information Technology, São Paulo, Women, Ethnic-Racial, LGBTI+).
**These awards reflect our commitment to diversity, inclusion, and excellence!**
Want to learn more about B3’s role in the financial market? Explore our institutional content and technology & innovation initiatives.
* **Screening questions will help us match your profile to the opportunity most aligned with your background.**