Job Description
Info on the Senior Fullstack Engineer React / .NET (more front-end) role
Ready 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 (more front-end) with strong React expertise and knowledge in .NET (C#) 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 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.
Mandatory Skills:
- Solid experience building modern front-end applications with React.
- Strong experience with .NET (C#) in production environments.
- Experience with Agentic Development practices and tools ( e.g. Claude Code, Cursor)
- 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 developing in Python with LangChain and Promptfoo
- Experience with AWS AI-related services such as Bedrock, SageMaker, Lex, Comprehend, or Rekognition (bonus, not required).
- Experience with IaC tools such as Terraform
- Exposure to Spec-Driven Development Practices and tooling (e.g. SpecKit, OpenSpec)
Team & Environment:
- Join one of the AI-agent feature-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 - React / NET (more front-end) @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)
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
