Lead Software Engineer (Brazil)

At Volis, we are revolutionizing the way companies utilize their data. We are a rapidly growing startup with the mission of unlocking the hidden potential in organizations’ data, delivering actionable insights and innovative solutions. We offer end-to-end solutions that cover all aspects of data transformation to the use of AI and Machine Learning algorithms. Your journey as a Lead Software Engineer: As a Lead Software Engineer at Volis, you will play a key role in building our platform for the mining industry, from technical vision to production. You will join a small team where your decisions shape both the product and the way we build it. You will have the opportunity to: Lead the technical vision: Define architecture, technical standards and priorities for the platform, balancing speed of delivery with long-term scalability. Stay hands-on: Write code, review pull requests and tackle the hardest technical problems alongside the team. Develop the team: Mentor engineers, give regular feedback and help grow the team as the company scales, including taking part in hiring. Ship with quality: Own engineering practices such as testing, CI/CD, observability and code review, so we deliver reliably and predictably. Directly impact the business: Work closely with the business to turn real operational needs in mining into well-scoped technical solutions. What we are looking for: Solid engineering foundations: Experience building and running production software, with deep knowledge of software design, data modeling and APIs. Technical leadership: Experience leading technical decisions and guiding other engineers through architecture choices, code reviews and mentoring. Ownership mindset: Proactivity, autonomy and a passion for solving complex problems. Results-oriented: Ability to deliver projects with quality and within established deadlines. Curiosity and continuous learning: Willingness to learn new languages and paradigms. Our stack is Clojure, React, Postgres and GCP, and we care more about strong fundamentals than about prior experience with any specific tool. Fluency in English: It is essential as we have English-speaking clients. What we offer: Innovative work environment: Collaborative, remote culture with the opportunity to grow with the company. Founder experience: Join a rapidly growing data startup early and help define our engineering culture, best practices and processes. Great challenges: Build a platform that solves real problems for large companies in the mining industry. Nice to have skills: Experience with Clojure or other functional programming languages. Hands-on experience with React, PostgreSQL and/or GCP. People management experience (1:1s, performance feedback, career development). Background in startups, industrial software or the mining sector. If you are passionate about building great software and want to lead a team that is transforming an entire industry, come join Volis!