Senior Frontend Engineer - Team Lead

Location: Santiago (Hybrid)

1. Purpose of the Role The Senior Frontend Engineer Team Lead leads technical execution and sprint delivery for a dedicated squad of 3 to 6 frontend engineers while driving user interface modernization across high-traffic, real-time platforms. Partnering with the Engineering Manager and Product team, this role serves as the squad's technical driver to drive technical excellence , decompose complex initiatives, and ensure seamless daily execution.

Please note: This position focuses on technical leadership and delivery without direct reports . It is tailored for a senior practitioner who excels at architectural design, sprint facilitation, and hands-on execution rather than formal line management.

2. Key Responsibilities

A. Technical Execution and Frontend Architecture

- Architect and implement scalable and performant solutions using React, TypeScript, and core design systems.
- Establish high code standards through detailed code reviews, technical discussions, and clean code principles.
- Streamline real-time data flows and user journeys into clear, modular components and interactive dashboards.
- Optimize client-side performance , rendering speeds, asset loading, and network efficiency under heavy load.

B. Team Leadership and Delivery Coordination

- Lead agile team ceremonies , such as stand-ups, backlog grooming, and sprint planning for 3 to 6 developers.
- Partner with Engineering Managers and Product leads to estimate, organize, and assign work matching squad capacity.
- Decompose complex user components and flows into modular technical tasks, user stories, and execution phases.
- Provide technical guidance to remove engineering blockers, keeping momentum strong without people management duties.

C. Operations, Quality, and Cross-Functional Alignment

- Establish comprehensive testing strategies covering unit coverage (Jest), integration testing, and end-to-end suites (Cypress).
- Incorporate performance metrics and telemetry (e.g., Sentry, New Relic)



to uphold application health and operational trust.
- Align frontend architectural direction with backend API contracts (GraphQL/REST) and inter-team dependencies.
- Solve complex user challenges by working with Product and UX to refine ambiguous ideas into production specifications.

3. Key Competencies

Technical

- "T-shaped" profile with technical mastery in React, TypeScript, state management, and performance, while staying autonomous across related stack domains.
- Understands and models best practices across software delivery, testing frameworks, and structured task breakdown.
- Technical curiosity and problem-solving drive to unpack and resolve performance bottlenecks.

Interpersonal

- Facilitates team rituals effectively to ensure daily stand-ups and refinements remain focused and highly actionable.
- Effectively communicates task status , trade-offs, and technical risks to management to eliminate delivery surprises.
- Maintains a positive and collaborative mindset during pairing and stakeholder interactions.

Leadership and Judgment

- Takes accountability for code quality , sprint milestones, and continuous technical execution.
- Accurate estimation and planning when dividing deliverables and forecasting delivery timelines.
- Mentor less experienced peers through pairing and constructive code reviews to promote engineering excellence.

4. Minimum Qualifications

- Proven experience of 5+ years in professional software engineering with a strong frontend emphasis (React, TypeScript, ES6+).
- Agile leadership experience running team ceremonies and steering technical delivery for small engineering squads (3–6 developers).
- Track record in technical lead roles operating with no direct reports ,



emphasizing hands-on delivery and task distribution.
- Mastery of the core stack including React, TypeScript, modern JavaScript, CSS/HTML layouts, and testing suites (Jest, Cypress, RTL).
- Demonstrated skill in breaking down high-level requirements into clear work items for engineers.
- Advanced language proficiency in written and spoken English for technical and conversational interaction.
- Desirable knowledge of design systems, GraphQL/REST APIs, operational monitoring tools, and CI/CD workflows.

What we offer:

- Opportunity to work with cutting-edge tech stacks and Fortune 500 clients.
- Continuous professional growth and career development pathways.

? What to Expect (Our Hiring Process): We value your time and believe in a transparent, fast-moving recruitment journey. Here is what our process looks like:

1. Application & AI Screening: Submit your application. Our smart screening tools match your profile against core job requirements.
2. Recruiter Video Call (30 mins): A 1-on-1 video call with a Talent Acquisition Specialist to discuss your background, career goals, and cultural alignment.
3. Variacode Internal Technical Assessment & System Design Interview: A practical technical evaluation followed by an architecture deep-dive conducted by Variacode's internal Technical Lead team, focusing on System Design.

- ? Pro-tip for candidates: Be prepared to draw and explain architectural diagrams live during the interview, we recommend practicing beforehand with tools like draw.io or Lucidchart.

1. Client / Partner Interview: Meet directly with the client's engineering or leadership team to align on technical expectations, real-world project challenges, and team synergy.

- ? Note: Depending on the client's internal process, they may request an additional client-specific technical assessment or coding exercise during this stage.

1. Offer & Onboarding: Receive your formal offer, sign your agreement, and kick off your onboarding journey with Variacode!

📌 Senior Frontend Engineer - Team Lead (Santiago)
🏢 Variacode
📍 Santiago