Senior Software Developer (Demo platform)

Sigma Software; São Paulo; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A tech startup in Brazil is looking for a passionate Senior Software Engineer to work on an innovative demo creation platform. Your role will involve developing features for a Chrome extension, mentoring junior engineers, and solving complex problems. The ideal candidate has over 5 years of experience in JavaScript and TypeScript, as well as familiarity with backend frameworks like Django and Flask. This opportunity offers a collaborative environment in a fast-paced setting.

Qualificações

• 5+ years of experience with JavaScript and TypeScript.
• Strong understanding of modern programming language features.
• Experience with Chrome APIs and client-side rendering.

Responsabilidades

• Develop and deliver complex features for the Chrome extension.
• Debug and resolve production issues.
• Collaborate closely with product managers and Senior engineers.

Conhecimentos

JavaScript

TypeScript

DOM manipulation

Problem-solving

Chrome APIs

Agile development

Mentorship

Ferramentas

Django

Flask

Docker

Kubernetes

Descrição da oferta de emprego

Overview

We are seeking a passionate and skilled Senior Software Engineer who wants to work on a cutting-edge product that powers application cloning and replay functionality. You will contribute across the stack, with a strong focus on JavaScript/TypeScript, DOM manipulation, and browser technologies. This is an exciting opportunity to work on a product that solves one of the biggest challenges in enterprise software sales: failed demos.

CUSTOMER

This is a fast-growing SaaS startup founded in the USA in 2018. It operates in the demo platform domain and serves thousands of enterprise users worldwide. Backed by leading venture capital firms, the company values diversity, innovation, and a culture focused on action and real impact.

PROJECT

The project is a cutting-edge demo creation platform that transforms how enterprise sales teams present complex software. Our goal is to reduce engineering dependencies, streamline the demo creation process, and provide customers with seamless, interactive experiences.

At this stage of development, we are focused on developing core cloning functionality, optimizing performance algorithms, and enhancing our Chrome extension and editor platform. This offers exciting opportunities to work on high-impact features in a fast-moving environment. Our dedicated team of engineers, product managers, and designers collaborate closely to deliver production-ready solutions for a market-leading SaaS product in the demo creation domain.

Job Description

• Develop and deliver complex features for the Chrome extension, editing platform, and replay rendering system
• Implement high-performance solutions for DOM diffing, tree traversal, and state synchronization
• Write high-quality, test-driven, and maintainable TypeScript/JavaScript code, with Back-end Django/Flask support
• Debug and resolve production issues and contribute to continuous integration pipelines
• Collaborate closely with product managers and Senior engineers to shape technical decisions and quickly deliver value to Customers
• Mentor Junior engineers, share knowledge, and promote the adoption of best engineering practices across the team
• Adapt to evolving startup priorities, contributing to both technical and process improvements

Qualifications

• 5+ years of experience with JavaScript and TypeScript with deep understanding of modern programming language features and reactive frameworks (React, Vue, and Solid)
• Skilled at solving complex problems involving DOM structures, Virtual DOM, tree diffing, and state synchronization
• Experience with Chrome APIs, service workers, client-side rendering pipelines, and browser internals
• Proficient in object-oriented design, algorithms, and data structures with a strong foundation in computer science
• Experience with the software development lifecycle, test-driven development, CI/CD pipelines, and scalable architecture
• Adept in debugging, serialization/deserialization of HTML, performance optimization, and building replay systems for user interactions
• Familiarity with Back-end frameworks (Django, Flask), REST APIs, and cloud-native environments (Docker, Kubernetes)
• Knowledge of microservices, event-driven approaches, and Agile development practices

Additional Information

• PERSONAL PROFILE
• Strong communication, mentorship, and collaboration skills to work effectively in cross-functional teams
• Passion for startup culture and ability to adapt to a fast-paced environment