Senior Back-End Engineer (Python/Fast API) - Creative Agency (Brazil)

About Truelogic

At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals.

Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference.

By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future.

Our Client

A global digital innovation organization operating at the intersection of technology, data, and modern product experiences, focused on building scalable, high-performance platforms for data-driven applications.

Job Summary

The Senior Backend Engineer will play a key role in designing, building, and scaling high-performance backend services that power a data-intensive platform. This position is highly hands-on and focused on developing robust APIs, optimizing database performance, and ensuring system reliability at scale.

The ideal candidate has deep experience with Python and FastAPI, strong PostgreSQL expertise, and a solid understanding of cloud-native architectures. You will collaborate closely with frontend, DevOps, and product teams, contributing to architectural decisions while maintaining ownership of production-quality backend systems.

Responsibilities

• Design, build, and maintain scalable, low-latency RESTful APIs and microservices using Python and FastAPI.

• Develop and optimize backend services for data-intensive workloads, ensuring reliability and performance in production.

• Design, optimize, and maintain PostgreSQL databases, including schema design, indexing, query optimization, and large-scale data migrations.

• Work with vector-based data use cases using pgvector or similar technologies for embedding and similarity search.

• Collaborate with frontend, DevOps, and product teams to deliver features from design through production deployment.

• Contribute to CI/CD pipelines and cloud-native deployments using Docker and Kubernetes.

• Troubleshoot production issues, perform performance analysis, and drive improvements in scalability and system stability.

• Propose and implement improvements related to async programming, backend security, and modern cloud architectures on AWS or GCP.

• Participate in code reviews and technical discussions to promote clean, maintainable, and efficient backend systems.

Qualifications and Job Requirements

• 5+ years of professional backend development experience, with at least 3 years using Python in production environments.

• Strong hands-on experience with FastAPI, including async/await patterns and dependency injection.

• Advanced PostgreSQL expertise, including schema design, indexing strategies, query optimization, and high-throughput data handling.

• Experience working with pgvector or similar vector search solutions.

• Solid SQL fundamentals and proven ability to diagnose and resolve database performance issues.

• Hands-on experience with Docker and containerized applications; familiarity with Kubernetes is required.

• Experience working with cloud platforms such as AWS or GCP.

• Strong problem-solving skills and a pragmatic, production-focused engineering mindset.

What We Offer

• 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.

• Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.

• Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.

• Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.

• Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.

Why You’ll Like Working Here

• A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.

• Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.

• Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field.

Apply now!