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Senior Full Stack Engineer .NET / React (577)

Ubiminds Brazil

Posted 17 Sep 2026
Last seen 17 Sep 2026
Location Brazil
Lifecycle fresh
Grade D

Developer Senior Full Time

Info on the Senior Fullstack Engineer .NET / React roleReady to take 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 global teams. We curate top LATAM talent and connect professionals with long-term, high-impact opportunities while providing full employer-of-record support.In this role, you will join a US-based product company that builds digital interviewing and talent assessment solutions used globally.

Challenge

We’re looking for a Senior Full Stack Software Engineer with strong .NET (C#) and React expertise to join one of the Engineering (Integrations)teams.

As a Senior Software Engineer specializing in Integrations, you will be responsible for coding our cutting-edge human interaction software, specifically focusing on an Enterprise-level SaaS Video Interview and/or chatbot platform. You will work independently and collaborate directly with other Software Engineers, an Engineering Team Lead, QA Engineers, Product Managers, and Product Designers to bridge our platform with the broader HR tech ecosystem.

In this role, you will specifically innovate on Internal Tools to improve our users' day-to-day experiences and build and maintain robust connections with external Applicant Tracking Systems (ATS). A key part of your mission will be to drive solutions that automate repetitive manual tasks, shifting the focus toward high-impact innovation.

Responsibilities:

Mandatory Skills:

- Strong experience with .NET (C#) in production environments.- Solid experience building modern front-end applications with React.- Experience working with MS SQL or similar relational databases.- Senior-level mindset with strong ownership and accountability.- Experience working on existing production systems (not only greenfield).- Ability to handle evolving requirements and technical ambiguity.- Strong English communication skills (written and verbal).- Experience collaborating in distributed teams.

Nice to Have:

- Experience with microservices architectures.- Familiarity with AWS cloud environments.- Exposure to test automation practices.- Experience with AWS AI-related services such as SageMaker, Lex, Comprehend, or Rekognition (bonus, not required).

Team & Environment:

- Join one of the Assessment-focused engineering teams.- Collaborative environment with senior engineers and technical leadership.- Strong focus on product evolution and maintainability.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 Full Stack Engineer - NET / React @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 gamesHow our process works1. Interview with Tech Recruiter (chat about the job opening and your experiences)2. Technical Assessment3. Client Interview4. Offer (yay)

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  1. 17 Sep 2026 Himalayas first sighting

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