Principal Software Engineer (Brazil, Portugal) in Sigma Software

Lead a dynamic tech team with cutting-edge web1 and web3 technologies. Join us now!

As Sigma Software, we are involved with the client team to contribute to designing and developing a technical solution for the customer’s tokenized domain reservation platform. We started by assigning a software architect to design smart contracts and integrate blockchain into the solution.

The client has a distributed team of specialists from various countries. On Sigma’s side, there is an architect, a Scrum Master, and a DevOps.

The team follows Scrum methodology.

REQUIREMENTS

At least 8+ years of professional software development experience

Strong technical expertise in full-stack development, with proficiency in React, Node.js, JavaScript/TypeScript, HTML, and CSS

Experience with relational databases, preferably PostgreSQL

Experience with Web3, preferably Solidity or smart contracts

Strong understanding of software development methodologies, tools, and best practices

Experience in managing and leading engineering teams, with a track record of successful project delivery and team development

Ability to balance strategic thinking with a hands-on approach to problem-solving

Advanced level of English

WOULD BE A PLUS

Knowledge of ERC-721, ERC-1155, and ERC-20 standards.

Experience with microservices or other types of distributed architecture

Experience with Nest.js

Experience with Next.js

Experience with GraphQL

RESPONSIBILITIES

Guide and mentor a team of engineers, fostering their professional growth and ensuring high-performance delivery

Collaborate with product managers, designers, and stakeholders to define technical requirements, set priorities, and drive engineering initiatives

Work with the engineering team to design and develop robust and scalable solutions using Node.js on the backend and JavaScript, ReactJS/Redux on the frontend

Ensure technical excellence through code reviews, feedback, and the promotion of best practices

Foster a culture of quality, efficiency, and innovation by implementing engineering processes, tools, and methodologies

Collaborate with the product team to align engineering efforts with product vision and roadmap, ensuring timely and successful delivery

Stay updated with the latest technologies, frameworks, and best practices in web development, blockchain, and smart contract development. Guide the team in adopting new technologies where appropriate

Ensure the security and reliability of the core customer-facing product and internal tools, proactively addressing any potential issues or vulnerabilities

Collaborate with other teams, such as marketing and operations, to identify and address technical challenges and opportunities that impact the overall success of the company