Backend Engineer - Senior - Bot

Grupo Foxbit is seeking a Senior Backend Engineer to join the Quant and Trading Bots team. You will develop and maintain backend solutions for investment automation, evolving trading robots and creating new products. We value technical autonomy, a critical eye toward information security, and a passion for delivering high-quality, reliable, and secure software.

What you'll do

• Develop and maintain robust, scalable backend solutions for trading strategy automation and investment robots
• Integrate and consume REST APIs and WebSockets for real-time data processing and high-performance order execution
• Ensure code quality through automated testing, rigorous code reviews, and sound architectural practices
• Apply information security principles throughout the development lifecycle
• Contribute to the evolution of architecture, processes, and technical documentation for the team
• Collaborate with Engineering and Product teams in an agile environment

What you bring

• Minimum 5 years of experience as a software engineer
• Experience with REST APIs and WebSockets
• Solid knowledge of SQL, relational databases, and Redis
• Knowledge of basic information security principles in software development
• Ability to produce high-quality, well-tested code following best practices in development and security
• Solid knowledge of Design Patterns, SOLID principles, Code Review, automated testing (TDD), and writing readable and clear code
• Product and customer-focused development mindset
• Comfort with challenges, resilience in collaboration, and openness to constructive feedback

Nice to have

• Experience with JavaScript/TypeScript, Ruby, or Elixir
• Experience with Linux servers
• Knowledge of the financial market and/or cryptocurrency space
• Experience with infrastructure as code using Terraform
• Knowledge of Blockchain and/or Smart Contracts
• Previous experience with investment robots, algorithmic trading, or order execution systems
• Interest in understanding how Foxbit and its products work, and in staying current with new technologies

What we offer

• Market-competitive salary
• SulAmérica health insurance (discount on salary only if upgrading)
• SulAmérica dental insurance (discount on salary only if upgrading)
• Prudential life insurance (no salary deduction)
• Swile card with R$ 1,168.64 monthly (R$ 800.00 meal voucher and flexible spending without deduction)
• Public transportation allowance or home office allowance (R$ 250.00 monthly)
• Education allowance (subject to approval, available after 3 months with the company)
• One day off during your birthday week
• Employee referral bonus program
• Profit sharing (PLR)
• 100% remote work

About Grupo Foxbit

Grupo Foxbit has been a pioneer in Brazil's cryptoeconomy since 2014, offering a comprehensive ecosystem for cryptocurrency operations. The group provides services across B2B, B2C, and B2B2C markets, including a cryptocurrency exchange, OTC trading desk, crypto payment gateway, Crypto as a Service solutions, and asset tokenization.