Senior Software Engineer Backend

Posted Yesterday
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Hiring Remotely in Buenos Aires, Ciudad Autónoma de Buenos Aires, ARG
In-Office or Remote
Senior level
Artificial Intelligence • Big Data • Information Technology • Analytics
Next Generation Consumer-Tech Platform
The Role
As a Senior Backend Engineer, you'll design and optimize backend systems, develop REST APIs, ensure data performance, and collaborate with cross-functional teams in a remote environment.
Summary Generated by Built In
About Trafilea

Trafilea is a Consumer Tech Platform for Transformative Brand Growth. We’re building the AI Growth Engine that powers the next generation of consumer brands.

With over $1B+ in cumulative revenue, 12M+ customers, and 500+ talents across 19 countries, we combine technology, growth marketing, and operational excellence to scale purpose-driven, digitally native brands.

We own and operate our own digitally native brands (not an agency), with presence in Walmart, Nordstrom, and Amazon, and a strong global D2C footprint.

Why Trafilea

We’re a tech-led eCommerce group scaling our own globally loved DTC brands, while helping ambitious talent grow just as fast.

🚀 We build and scale our own brands.

🦾 We invest in AI and automation like few others in eCom.

📈 We test fast, grow fast, and help you do the same.

🤝 Be part of a dynamic, diverse, and talented global team.

🌍 100% Remote, USD competitive salary, paid time off, and more.

Job Responsibilities

As a Backend Engineer, you’ll design and deliver robust, high-performance systems that power our globally loved DTC brands. You’ll work on projects ranging from core backend components to AI-powered features—always focused on scalability, reliability, and speed.

If you thrive on solving complex challenges, writing clean, efficient code, and collaborating in a fast-paced, product-focused environment, this is your opportunity to make an immediate global impact.

  • Architect, develop, and optimize backend services using Golang and Node.js to support millions of customers worldwide.

  • Design, build, and maintain REST APIs that enable seamless integrations across products, platforms, and teams.

  • Work with relational and non-relational databases, ensuring efficient data modeling, querying, and performance optimization.

  • Collaborate closely with cross-functional teams (Product, UX, Marketing) to translate business needs into technical solutions.

  • Apply AWS best practices for scalable deployments, security, and cost optimization.

  • Participate in sprint planning, estimation, and reviews within our Agile/SCRUM environment.

  • Continuously identify and address technical debt, ensuring the stability and scalability of our systems.

  • Document solutions and share knowledge to elevate technical standards across the team.

  • 4+ years of backend development experience, with deep proficiency in Golang and Node.js. (mandatory)

  • Strong understanding of SQL and NoSQL database design and optimization.

  • Skilled in API development and integration patterns.

  • Proficient in Git/GitHub workflows and collaborative coding practices.

  • Practical experience with AWS services (EC2, RDS, Lambda, S3, etc.).

  • Advocate for secure, performant, and maintainable software.

  • Effective communicator—capable of explaining technical concepts clearly to both technical and non-technical stakeholders.

  • Curious, proactive, and committed to continuous improvement in a fast-moving environment.

Top Skills

AWS
Git
Git
Go
Node.js
NoSQL
Rest Apis
SQL
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The Company
437 Employees
Year Founded: 2014

What We Do

Trafilea is a consumer tech platform business leveraging AI, advanced analytics, proprietary technology, and proven world-class marketing to build and scale category-defining brands in women’s intimates, beauty, and wellness — primarily for the U.S. market. We are a remote data-driven team of ambitious doers, passionate marketers, and tech innovators with the instincts and energy to transform the world as we know it.

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