Junior Software Engineer at Blaze

Location: Mexico City, Mexico

About Blaze:

Ready to join a YC-backed startup revolutionizing global payments? Blaze is building the world’s leading cross-border payments app, powered by USDC, to deliver seamless, low-cost transfers between the US, Latin America, and beyond. Backed by top-tier investors and Y-Combinator, we’re on a mission to empower digital nomads, freelancers, and businesses with fast, affordable, and borderless financial solutions. Join us on the ground floor of a high-growth startup and shape the future of fintech!

Learn more about Blaze here.

Role Overview:

As a Junior Software Engineer at Blaze, you’ll be at the forefront of our AI-first approach, leveraging cutting-edge AI tools to build our payment platform in a fast-paced, challenging environment. We’re seeking graduating seniors or recent graduates who are passionate about tinkering with AI, proficient in tools like Cursor, and excited to use AI-driven development to achieve 10x productivity. You’ll need strong problem-solving skills to dive into issues hands-on and stay up-to-date on AI advancements to help us innovate. This is your chance to grow rapidly, make a global impact, and set the stage for a stellar career—or even launch your own startup one day.

Key Responsibilities:

• Use AI tools (e.g., Cursor, code generation, and prompting) to accelerate the design and implementation of end-to-end features for the frontend (mobile app and website, using React and React Native) and backend (NodeJS server).

• Debug and resolve technical issues across the frontend and backend, combining AI-assisted workflows with hands-on problem-solving to ensure platform reliability.

• Collaborate with the team to deliver secure, scalable code for a high-reliability financial application, integrating AI-driven efficiencies where possible.

• Engage in system design discussions, proposing AI-enhanced solutions to improve architecture and development processes.

• Stay current on AI advancements in software engineering and share insights to optimize our development practices. Qualifications:

• Demonstrated ability to build interesting and functional projects (e.g., school projects, personal work, hackathons, or open-source contributions), ideally using AI tools. Applicants must provide a portfolio or links to examples of past work.

• Strong grasp of JavaScript, CSS, and modern web technologies.

• Familiarity with React, React Native, or similar frameworks; exposure to Next.js, GraphQL, PostgreSQL, TypeScript, or NestJS is a plus.

• Proficiency in AI-driven development tools (e.g., Cursor, Windsurf, GitHub Copilot) and effective prompting techniques to boost productivity.

• Ability to write clean, testable, and scalable code under tight timelines, with or without AI assistance.

• Graduating senior or recent graduate in Computer Science, Engineering, or a related field.

• Passion for using AI to achieve 10x development speed while maintaining strong problem-solving skills to address challenges directly.

• Up-to-date knowledge of AI advancements in software engineering and eagerness to educate the team on innovative approaches.

• Passion for fintech and solving real-world problems for global users.

• High math and problem-solving skills are a plus.

• Bonus: Hackathon wins, coding competition achievements, or notable AI-driven projects. What We Offer:

• A rare opportunity to join a YCombinator-backed startup on the ground floor with equity.

• Competitive compensation of MX$200,000 per year plus equity, offering both immediate and long-term rewards.

• The chance to work directly with our founders, gaining insights and mentorship from experienced entrepreneurs.

• A high-intensity, supportive environment where you’ll be challenged to grow technically and professionally.

• The chance to make a tangible impact on our product and users in Mexico City and beyond.

• A dynamic workplace in the heart of Mexico City.

• A launchpad for your career—whether you aim to lead in tech or start your own company. How to Apply:

Are you ready to leverage AI, grow, and build the future of global payments with Blaze? Send your resume, a portfolio or links to examples of projects you’ve built (especially those using AI tools), and a brief cover letter explaining why you’re excited to tackle this challenge.