Ubiminds

SDET

• Info on the Senior Automation Engineer - C# / Java role
• Want to get to the next step in your international career? We can support you!
• Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubi custom-curates Brazilian top 5% talent for their LATAM strategy, offering a unique combo of staff augmentation and employer-of-record services.
• Ubiminds is assisting a company that is building an exciting new product suite for Public Safety.
• Challenge
• We’re looking for a Senior Automation Engineer with strong experience in #C or Java to help build modern, scalable, and maintainable applications.
• This role is ideal for someone who enjoys working across the full stack — from crafting intuitive, responsive user interfaces to designing robust APIs and cloud-ready backend services — while applying clean architecture principles and modern engineering practices.
• Responsibilities:
• - Write and maintain automated unit and integration tests (frontend + backend)
• - Review existing codebases to improve test coverage and identify gaps
• - Use company-provided AI tools (e.g., Claude, Copilot) to speed up test creation and refactoring
• - Debug test failures across application, infrastructure, and data layers
• - Reduce test flakiness and noise in CI pipelines
• Mandatory Skills:
• Software Engineering
• - Strong programming skills in C# or Java, and experience with Playwright
• - Comfortable working in large, existing codebases
• - Able to understand and navigate unfamiliar systems
• - Solid understanding of testing fundamentals (unit vs. integration, mocking, isolation, etc.)
• Test Automation
• - Hands-on experience writing and maintaining unit and integration tests
• - Familiar with frameworks like xUnit, JUnit, Jest, Karate, or similar
• - Able to troubleshoot test failures across multiple layers of the stack
• Engineering Practices
• - Strong debugging and problem-solving skills
• - Committed to writing high-quality, maintainable test code
• - Comfortable in a Shift Left development environment
• - Self-driven and able to collaborate effectively with cross-functional teams
• - Clear and simple English communication (written and verbal)
• AI & Modern Development
• - Excited to use AI-powered tools (Claude, Copilot, etc.) in your daily work
• - Willing to experiment with AI for test generation, refactoring, and coverage analysis
• - Basic understanding of AI concepts like LLMs, or a strong interest in learning
• Nice to Have:
• - Strong experience writing tests based on product use cases or specs
• - Hands-on experience writing tests using Claude Code or similar AI tools
• - Experience writing end-to-end tests using Playwright
• Team & Environment:
• - Collaborative environment working closely with PMs, QA, and designers.
• - Engineers are fully responsible for testing and code quality (shift-left development culture).
• - Balanced workload of new feature development and ongoing system maintenance.
• - Encourages ownership, accountability, and continuous improvement.
• About Ubiminds
• Our Culture
• People First. We are all about people!
• Challenge yourself. There’s always room for improvement and continuous improvement is in our essence.
• Make it happen. Be ready to take challenges as they come. It’s all about attitude and commitment.
• We’re in this together. We work as a team, thrive as a team, and evolve as a team.
• Averaging on awesome. We work hard to deliver high-quality services and look forward to exceeding expectations.
• Keep it real. We promise you honesty, transparency, and openness, regardless of the situation.
• Perks and Benefits
• As a Senior Automation Engineer - C#/ Java @Ubiminds, you:
• - You are placed in a product-based company, with the same treatment as their full-time employees.
• - Have our full back-office support, from career guidance to HR and concierge services.
• - Enjoy our remote-first policy – we are a distributed team, after all.
• - Get your own MacBook (none of that "bring your own device" stuff here).
• - Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!
• - Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!
• - Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
• - Miss working in the office? Our cool Florianópolis headquarters is available, whenever you want, with weekly quick massages & tasty snacks, soft drinks, and games
• How our process works
• 1. Interview with Tech Recruiter (chat about the job opening and your experiences)
• 2. Technical Assessment
• 3. Client Interview
• 4. Offer (yay)

Senior Test Automation Engineer – C# / Java

Backend Engineer

• Design, implement, and maintain robust .NET Core services and APIs within a microservices architecture.
• Build responsive and accessible front-end experiences using React and TypeScript.
• Write clean, testable, and scalable code, following modern engineering best practices.
• Support automated test coverage for high-quality releases.
• Participate in design reviews, code reviews, and technical planning.
• Help identify and reduce technical debt across the platform.

Senior Full Stack Software Engineer – .NET, React

DevOps Engineer

• Analyze and assess legacy CI/CD pipelines, identifying inefficiencies, bottlenecks, and manual processes.
• Design and implement modern CI/CD pipelines with automated testing, security checks, and optimized deployments.
• Migrate existing infrastructure and build processes to Infrastructure as Code (IaC) using AWS CloudFormation.
• Define and standardize “golden paths” for build and deployment workflows across environments.
• Improve pipeline observability through logging, monitoring, and alerting to ensure fast and actionable feedback.
• Collaborate closely with engineering teams to improve build reliability and deployment confidence.
• Own CI/CD improvements end-to-end, from design through production rollout.
• Proactively contribute to improving DevOps practices, tooling, and engineering efficiency.

DevOps Engineer – CI/CD Optimization

• Design and implement scalable microservices in a cloud-first environment (AWS).
• Translate product requirements into robust technical designs and architectural decisions.
• Develop secure, resilient backend services using C# and .NET Core.
• Ensure strong automated testing practices aligned with the test pyramid.
• Review peers’ code and mentor engineers to elevate engineering standards.
• Lead research and technical planning for complex initiatives.
• Troubleshoot and resolve complex production issues across distributed systems.
• Promote best practices balancing performance, scalability, cost, and delivery timelines.
• Collaborate cross-functionally with Product Managers, UX Designers, and UI Engineers.

Senior Backend Software Engineer – .NET, AWS

Full-stack Engineer

• Break down large or complex problems into smaller parts, design clean solutions, and implement the core framework.
• Build and maintain RESTful APIs and backend services using C#, .NET Core, Entity Framework, and Web API.
• Apply software architecture patterns like Domain-Driven Design (DDD) and CQRS to build modular and scalable systems.
• Work directly with SQL Server—designing databases, writing stored procedures, optimizing queries, and tuning performance.
• Use Entity Framework (EF Core or EF6) for ORM and data access.
• Write clean, testable, and maintainable code with proper documentation.
• Take full ownership of testing your own code—unit, integration, and performance testing—as part of a Shift Left / No QA team setup.
• Collaborate with product managers and other teams to understand requirements and deliver customer-focused features.
• Use AI development tools (required)—including GitHub Copilot, Claude, or similar—to assist with code generation, refactoring, documentation, and development speed.

Senior FullStack Engineer – Integrations Developer

• Design and implement new features in a React/TypeScript codebase;
• Manage routes and server-side rendering with React Router;
• Build responsive, accessible UIs using Tailwind CSS and modular CSS;
• Integrate with backend services via Axios (or similar) and maintain a clean API client layer;
• Define and maintain TypeScript interfaces/models for data and service contracts;
• Enforce code quality with ESLint, Prettier, lint-staged and Husky pre-commit hooks;
• Write unit/integration tests (Jest, React Testing Library or equivalent);
• Collaborate with product and design teams to translate requirements into polished UI;
• Troubleshoot bugs, optimize performance, and participate in code reviews

Database Engineer

Frontend Engineer

• Design and implement new features in a React v19 / TypeScript codebase.
• Manage routes and server-side rendering using React Router v7.
• Build responsive and accessible UIs with Tailwind CSS and modular CSS.
• Integrate backend services via Axios (or similar), maintaining a clean API client layer.
• Define and maintain TypeScript interfaces/models for APIs and data contracts.
• Enforce code quality using ESLint, Prettier, lint-staged, and Husky.
• Write unit and integration tests using Jest and React Testing Library.
• Collaborate with product and design teams to transform requirements into polished interfaces.
• Troubleshoot bugs, optimize performance, and participate in code reviews.

Senior Front-End Engineer – React, TypeScript

Affiliate Manager

• Partner directly with the Chief Technology Solutions & Advisory Officer to develop and execute account strategies aligned with client business goals and long-term growth opportunities.
• Drive revenue growth through proactive new business development, upselling, renewals, and scope expansion across advisory, consulting, and Talent-as-a-Service engagements.
• Identify and close new opportunities within existing clients, positioning Ubiminds as a strategic partner capable of delivering high-value consulting and nearshore solutions.
• Collaborate with internal stakeholders to align client needs with Ubiminds’ advisory capabilities, delivery expertise, and long-term partnership strategy.
• Establish and monitor strategic KPIs aligned with advisory and consulting engagements, ensuring measurable value delivery to clients.
• Lead the preparation and delivery of Quarterly Business Reviews (QBRs), presenting strategic insights, value delivered, and opportunities for expansion.
• Strengthen executive relationships with client stakeholders, reinforcing Ubiminds’ positioning as a consultative and trusted advisor.
• Promote continuous improvement initiatives that enhance client satisfaction, long-term retention, and partnership value.
• Track and monitor partner-related KPIs such as joint revenue contribution, partner satisfaction, and co-selling effectiveness.
• Manage and oversee partner and client agreements (MSAs, SOWs, amendments, and partnership addendums) in collaboration with legal and operations teams.