Senior Full Stack Engineer

About the role

This role owns the design and implementation of critical user-facing features that directly impact core business metrics and customer experience. You will architect and maintain scalable front-end and back-end systems using modern JavaScript, TypeScript, Node.js, and React to deliver robust end-to-end functionality. The position requires a deep commitment to building experiments that validate production outcomes and inform broader release strategies in hyper-growth conditions. You will translate ambiguous business problems into technical solutions while ensuring clarity and precision in communication across distributed, cross-functional teams. Collaboration with design and product partners will be central to your work as you help define and refine product requirements based on user needs and technical constraints. You will be responsible for maintaining high standards of code quality and system performance while mentoring junior engineers and promoting best practices across the engineering organization. Your contributions will play a key role in enabling the company's rapid scaling efforts by ensuring that the technology stack remains reliable, efficient, and aligned with business goals.

Key facts

What you'll do

Implement end-to-end features using modern JavaScript, TypeScript, Node.js, and React to support core product functionality and user workflows.

Design and run controlled experiments in production environments to validate hypotheses and measure impact before rolling out changes at scale.

Collaborate with cross-functional stakeholders in Latin America to translate business requirements into clear technical specifications and deliverables.

Write clean, maintainable, and well-documented code that adheres to engineering standards and supports long-term product evolution.

Optimize application performance and reliability through careful architectural decisions and continuous refactoring of legacy components.

Analyze complex user journeys and identify opportunities to improve conversion, retention, and satisfaction through data-driven product decisions.

Work closely with designers and product managers to iterate on user interfaces and ensure alignment with brand standards and usability best practices.

Participate in code reviews, architectural discussions, and technical planning sessions to elevate the overall quality of the codebase.

Leverage debugging and troubleshooting skills to resolve production issues quickly and implement monitoring strategies for early problem detection.

Contribute to the definition of technical roadmaps and prioritize work based on business impact, feasibility, and technical risk.

Support the deployment pipeline and infrastructure improvements that enable faster, safer, and more predictable releases.

Engage in knowledge-sharing activities such as technical documentation, internal talks, and mentorship to strengthen the overall engineering culture.

Stay current with industry trends and emerging technologies to recommend improvements that enhance development speed, resilience, and scalability.

Act as an owner for assigned products or features, driving them from initial concept through implementation, launch, and post-launch optimization.

Requirements

Demonstrated experience shipping impactful software products in fast-paced environments must be shown through tangible examples of shipped features and their outcomes.

Comfort with rapid changes in scope and priorities is required as a standard practice due to the dynamic nature of hyper-growth companies.

Proficiency in modern JavaScript, TypeScript, Node.js, and React is required for core engineering tasks and for building scalable front-end and back-end solutions.

Fluency in English supports alignment across design, product, and engineering teams and is essential for effective collaboration in global meetings.

The ability to work independently and as part of a cross-functional team is necessary to navigate ambiguity and deliver results in fast-moving environments.

Strong problem-solving skills and a logical approach to debugging complex issues are mandatory for success in production engineering scenarios.

Willingness to engage in hands-on coding during the interview process and to demonstrate technical capabilities through practical exercises.

Commitment to writing tests, maintaining documentation, and following engineering best practices to ensure long-term code health and system stability.

Nice to have

Experience with AI-assisted development and data-centric products is beneficial for modern engineering workflows and can accelerate delivery of intelligent features.

Familiarity with marketplace or automotive domains provides context for specialized product areas and helps in understanding industry-specific requirements.

Practical notes

Interviewers focus on specific campaigns and the numbers behind them, asking about detailed results and decision rationales.

Typical interview steps

Marketing interviews often include a portfolio review, a campaign exercise, and analytics questions. Candidates may be asked to plan a launch, write a brief, or improve a funnel. Some loops include a presentation. Results from past campaigns carry the most weight. Interviewers ask about specific campaigns you ran and what the numbers said. Preparing a short case of one campaign with its results is strong preparation.

Nice to have

Experience with AI-assisted development and data-centric products is beneficial for modern engineering workflows. Familiarity with marketplace or automotive domains provides context for specialized product areas.

Skills & tools

Core responsibilities demand proficiency in modern JavaScript, TypeScript, Node.js, and React for end-to-end feature implementation and full-stack development.

Good to know

Engineering practices in AI-first products involve modern JavaScript and TypeScript ecosystems within fast-paced, iterative environments. Data-centric product workflows emphasize experimentation and iterative validation before broad deployment. Cross-functional collaboration aligns design, product, and engineering around user needs and business outcomes in fast-paced settings.

Questions to ask

Good questions to ask the employer in the interview: what does success look like in the first six months, how is the team structured, what is the current biggest challenge, and how are decisions made. Asking about growth paths and the review process is also well received. Employers expect questions, and good ones show preparation.

Career growth

Marketing careers move from associate to manager, director, and VP levels. Specializations include growth, brand, product marketing, and content. Generalists often start, then specialize as they advance. Measured impact on pipeline and revenue drives progression. Marketing careers reward measurable results and adaptability. Channel experience plus business sense usually beats a general resume.