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Core Experience Engineer – Senior Software Engineer

Job Overview

Location

Brazil

Job Type

Full-time

Category

Full-Stack Engineer

Date Posted

March 2, 2026

Full Job Description

📋 Description

  • As a Core Experience Engineer – Senior Software Engineer at Latamcent, you will be at the forefront of innovation, playing a pivotal role in shaping the future of demo automation. This is a unique opportunity to join a fast-paced, product-driven startup environment where your contributions will directly impact the core product and the experiences of our users. You will be instrumental in building and maintaining critical features across the entire TestBox platform, spanning both front-end and back-end development. Your expertise will be crucial in translating complex customer needs into elegant, scalable, and robust software solutions.
  • You will take full ownership of technical projects, guiding them from the initial design phase through to successful deployment. This involves not just writing code, but also collaborating closely with the Product team to ensure that the solutions we deliver are precisely what our customers need and exceed their expectations. Your ability to understand user requirements and translate them into technical specifications will be paramount.
  • A significant aspect of this role involves contributing to the technical direction and decision-making processes. You will work alongside the Tech Lead and the broader Engineering team, sharing your insights and helping to define the architectural roadmap and best practices that will guide the company's product development long-term. This is a chance to leave your mark on the technical foundation of a rapidly growing company.
  • We are committed to delivering high-quality software. Therefore, a core responsibility will be writing clean, maintainable, and well-tested code. This commitment extends to participating actively in code reviews, where you will provide and receive constructive feedback, fostering a culture of continuous improvement and shared learning within the engineering team.
  • In a dynamic startup environment, the ability to adapt and respond quickly is essential. You will be expected to debug and resolve production issues, contributing to a shared on-call rotation. This ensures the stability and reliability of our platform, maintaining a seamless experience for our users.
  • This role offers the chance to work on foundational, greenfield systems from the ground up, providing an unparalleled opportunity to make a significant impact. You will tackle challenging UI/UX problems, particularly those relevant to a technical user base, requiring creative and effective solutions.
  • You will have the autonomy to define frontend architecture and establish best practices that will have a lasting influence on the company’s product strategy and execution. This is an opportunity to shape how we build and deliver software, setting standards for quality, performance, and user experience.
  • Latamcent, through its TestBox platform, is on a mission to revolutionize the way software is bought and sold. We are building a cutting-edge platform that empowers buyers with transparent, interactive software experiences, while simultaneously equipping sellers with powerful tools to deliver exceptional buying and onboarding journeys. As a fast-growing startup backed by world-class investors, we are actively disrupting the traditional B2B sales motion.
  • Our company culture is obsessed with customer experience, speed, and scale. We value experimentation, rapid iteration, and demonstrable impact. Joining us means becoming part of a team that is passionate about building innovative solutions and driving meaningful change in the industry. You will be empowered to take initiative, experiment with new technologies, and contribute to a culture of high performance and continuous learning.
  • This role is ideal for a proactive, ownership-driven engineer who enjoys seeing projects through from concept to completion. If you are excited by the prospect of solving complex technical challenges, collaborating with a talented team, and making a tangible difference in a high-growth startup, this is the role for you.
  • You will be a key player in defining and implementing the core user experiences that differentiate TestBox in the market. This involves a deep understanding of user needs, a passion for elegant design, and the technical prowess to bring these experiences to life across the full stack.
  • The opportunity to define frontend architecture and best practices is significant, allowing you to influence the long-term technical vision of the product. This includes making strategic decisions about technologies, frameworks, and methodologies that will ensure scalability, maintainability, and performance.
  • You will be part of a team that is dedicated to customer success, understanding that the quality of our product directly impacts our users' ability to succeed. This customer-centric approach will guide your development efforts and ensure that we are always building solutions that provide real value.
  • The collaborative environment encourages knowledge sharing and continuous learning. You will have opportunities to mentor junior engineers, learn from experienced colleagues, and stay abreast of the latest advancements in software development. This is a role where professional growth is not just encouraged, but actively supported.

Skills & Technologies

React
Django
AWS
Azure
GCP
Senior
Remote

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About Latamcent

Latamcent is a market research and data analytics firm focused on the Latin American region. It delivers consumer insights, competitive intelligence, and strategic advisory services to multinational corporations and regional brands. Through syndicated studies, custom research, and advanced analytics, the company helps clients optimize pricing, distribution, and product positioning across diverse Latin American markets. Its multilingual team combines local expertise with global methodologies to provide actionable intelligence for retail, CPG, technology, and financial services sectors.

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