Senior Full Stack Engineer – Ruby /React (460)

Senior Full Stack Engineer – Ruby / Ruby on Rails
Remote · Full-time

About Ubiminds
Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubi custom-curates Brazil’s top 5% talent to support LATAM strategies through a unique combination of staff augmentation and employer-of-record services.
We are assisting a U.S.-based company in expanding its engineering team with a Senior Full Stack Engineer who enjoys working across backend and frontend, delivering scalable, secure, and high-quality software solutions.

Job Purpose:
A senior software engineer plays a critical role in designing, developing, and maintaining complex software systems while providing technical leadership within a team. Their primary purpose is to architect scalable and efficient solutions, ensuring that software meets both functional and non-functional requirements such as performance, security, and maintainability.

Roles and Responsibilities:
As Senior Software Engineer you will be responsible for writing high-quality, scalable, and efficient code, ensuring that software meets business and technical requirements. In this role, you will review and optimize existing code, conduct thorough testing, and troubleshoot complex issues to improve system performance and reliability. You are a strong communicator who is able to foster a culture of continuous learning and best practices in coding, architecture, andsoftware development methodologies. You are a natural connector who can easily build
relationships with cross-functional teams, including product managers, designers, and quality assurance professionals, to align technical solutions with business objectives. You are a self-starter, who can work independently to proactively identify business needs, contribute to architectural decisions, evaluate new technologies, and drive innovation within the organization.

How You Will Make an Impact:
As a key member of our team, you will help strengthen and grow one of the top-performing
verticals at Nerdwallet. Your contributions will be meaningful and visible as you:

● Drive strategic initiatives that directly influence our vertical's growth and enhance Nerdwallet's position as a trusted financial guidance platform
● Collaborate with a high-performing team of experts who are passionate about
empowering consumers to make smarter financial decisions

What You’ll Do
● Identify innovative solutions to diverse business challenges that require both analytical thinking and creative problem-solving
● Contribute to building sustainable processes that scale with Nerdwallet's ambitious growth plans
● Make meaningful connections with stakeholders across the organization to ensure alignment and maximize our impact on consumers' financial lives
● Be part of shaping the future direction of a critical business unit within Nerdwallet

Required Skills and Qualifications (Your Experience):
● Experience:Minimum of 4+ years in software engineering, with a strong background in
backend development
● Technical Skills:
○ Programming Languages – Proficiency in languages like Ruby, JavaScript, or others based on the stack.
○ Software Development – Strong understanding of software development lifecycle (SDLC) and methodologies (Agile, Scrum, DevOps).
○ System Design & Architecture – Architect Ruby (or other) applications with clean
separation of concerns
○ Databases – Knowledge of SQL (PostgreSQL, MySQL) databases.
○ Cloud Platforms – Experience with AWS, Azure, or Google Cloud for deploying and managing applications.
○ Familiarity with RESTful APIs, GraphQL, and MVC architecture.
○ DevOps & CI/CD – Experience with automation tools (Docker, CircleCi, GitHub Actions).
○ Testing & Debugging – Proficiency in unit testing, integration testing, and debugging tools.
○ Security Best Practices – Awareness of security principles, authentication, and authorization techniques.
○ Version Control – Proficiency with Git and workflows like GitFlow.

Preferred Qualifications (Bonus Points):
● Experience in consumer credit, lending, loans, or insurance.
● Familiarity with Ruby and Ruby on Rails

Perks @Ubiminds
Work with U.S.-based product teams.
Remote-first culture + MacBook provided.
English lessons, referral bonuses, tech talks, and learning initiatives.
Full back-office support: HR, career development, and admin services.

👉 Apply now and grow your international career as a Senior Full Stack Engineer, building end-to-end solutions with modern technologies.