Desenvolvedor Java Junior jobs in Brazil

TRM Labs is a blockchain intelligence company committed to fighting crime and creating a safer world. By leveraging blockchain data, threat intelligence, and advanced analytics, our products empower governments, financial institutions, and crypto businesses to combat illicit activity and global security threats. At TRM, you\u2019ll join a mission-driven, fast-paced team made up of experts in law enforcement, data science, engineering, and financial intelligence, tackling complex global challenges daily. Whether analyzing blockchain data, developing cutting-edge tools, or collaborating with global organizations, you\u2019ll have the opportunity to make a meaningful and lasting impact.

The Data Platform team collaborates with an experienced group of data scientists, engineers, and product managers to build highly available and scalable data infrastructure for TRM\u2019s products and services. As a Data Infrastructure Engineer, you will be responsible for developing, managing, and scaling TRM\u2019s robust database infrastructure that will ultimately help to build a safer financial system for billions of people.

The impact you will have here:

• Design and maintain petabyte scale high-performance databases and data models that support real-time investigations and analytics use cases
• Build and optimize production data pipelinesatch and streaming ata that transform large-scale blockchain datasets
• Diagnose and tune complex SQL queries under heavy load, working closely with product and research teams
• Own key infrastructure initiativesrom query optimization and index strategy to storage optimization and system resilience
• Collaborate cross-functionally to deliver reliable and impactful data workflows end-to-end

What we\u2019re looking for:

• 5+ years of experience in data engineering, analytics infrastructure, or backend systems with RDBMS depth
• Experience implementing and maintaining database security measures, including access control, encryption, and compliance with security frameworks and standards
• Proven expertise with at least one of: Postgres, MySQL, or SQL Server at production scale (e.g., TB-scale datasets, concurrency, replication, tuning)
• Strong command of SQL reasoning.g., debugging, explaining, and optimizing queries, not just writing them
• Experience designing and evolving data models (normalized and denormalized) to support analytical or operational use cases
• Familiarity with data pipeline frameworks (e.g., Airflow, DBT, custom orchestration)
• Systems thinking and ownership mindsetomfortable solving ambiguous, cross-functional problems from end to end

Engineer: Responsible for helping to define project milestones and executing small decisions independently with the appropriate tradeoffs between simplicity, readability, and performance. Provides mentorship to junior engineers, and enhances operational excellence through tech debt reduction and knowledge sharing.

Senior Engineer: Successfully designs and documents system improvements and features for an OKR/project from the ground up. Consistently delivers efficient and reusable systems, optimizes team throughput with appropriate tradeoffs, mentors team members, and enhances cross-team collaboration through documentation and knowledge sharing.

Staff Engineer: Drives scoping and execution of one or more OKRs/projects that impact multiple teams. Partners with stakeholders to set the team vision and technical roadmaps for one or more products. Is a role model and mentor to the entire engineering organization. Ensures system health and quality with operational reviews, testing strategies, and monitoring rigor.

Our Leadership Principles shape everything we do0e.g., how we make decisions, collaborate, and operate day to day.

• Impact-Oriented Trailblazer We put customers first, driving for speed, focus, and adaptability.
• Master Craftsperson We prioritize speed, high standards, and distributed ownership.
• Inspiring Colleague We value humility, candor, and a one-team mindset.

Accelerate your Career

At TRM, you\u2019ll do work that mattersisrupting terrorist networks, recovering stolen funds, and protecting people around the world. You will:

• Work alongside top experts and learn every day.
• Embrace a growth mindset with development opportunities tailored to your role.
• Take on high-impact challenges in a fast-paced, collaborative environment.
• Thrive in a culture of coaching, where feedback is fast, direct, and built to help you level up.

What to Expect at TRM

TRM moves fastreally fast. We know a lot of startups say that, but we mean it. We operate with urgency, ownership, and high standards. As a result, you\u2019ll be joining a team that\u2019s highly engaged, mission-driven, and constantly evolving.

To support this intensity, we\u2019re also intentional about rest and recharge. We offer generous benefits, including PTO, Holidays, and Parental Leave for full time employees.

That said, TRM may not be the right fit for everyone. If you\u2019re optimizing for work life balance, we encourage you to:

• Ask your interviewers how they personally approach balance within their teams, and
• Reflect on whether this is the right season in your life to join a high-velocity environment.
• Be honest with yourself about what energizes yound what drains you

We\u2019re upfront about this because we want every new team member to thrive-not just survive.

The Stakes Are Real

Our work has direct, real-world impact:

• Jumping online after hours to support urgent government requests tracing ransomware payments.
• Delivering actionable insights during terrorist financing investigations.
• Collaborating across time zones in real time during a major global hack.
• Building new processes in days, not weeks, to stop criminals before they cash out.
• Analyzing blockchain data to recover stolen savings and dismantle trafficking networks.

Thrive as a Global Team

As a remote-first company, TRM Labs is built for global collaboration.

• We cultivate a strong remote culture through clear communication, thorough documentation, and meaningful relationships.
• We invest in offsites, regional meetups, virtual coffee chats, and onboarding buddies to foster collaboration.
• By prioritizing trust and belonging, we harness the strengths of a global team while staying aligned with our mission and values.

We\u2019re looking for team members who thrive in fast-paced, high-impact environments and love building from the ground up. TRM is remote-first, with an exceptionally talented global team. If you enjoy solving tough problems and seeing your work make a difference for billions of people, we want you here. Don\u2019t worry if your experience doesn\u2019t perfectly match a job description we value passion, problem-solving, and unique career paths. If you\u2019re excited about TRM\u2019s mission, we want to hear from you.

Recruitment agencies

TRM Labs does not accept unsolicited agency resumes. Please do not forward resumes to TRM employees. TRM Labs is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company without a signed agreement.

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By submitting your application, you are agreeing to allow TRM to process your personal information in accordance with the TRM Privacy Policy

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