Senior Full Stack Software Engineer - .NET, Python and React (428)

Ubiminds; Teletrabalho; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A leading tech company in Brazil is seeking a Senior Full Stack Software Engineer to join a high-impact product team. You will work on cloud-based SaaS applications, leading the development of product features and APIs using C#/.NET and Python. The ideal candidate has strong proficiency in React and SQL, with a collaborative working style. Enjoy a remote-first policy with fantastic perks including support for career growth, English lessons, and more at our Florianópolis headquarters.

Serviços

Full back-office support

Remote-first policy

Free English lessons

Candidate Referral bonus

Access to Florianópolis headquarters

Qualificações

• 5+ years in software engineering, including cloud-based SaaS applications.
• Hands-on experience with C#/.NET and Python, including RESTful APIs.
• Proficiency with React, TypeScript, HTML, CSS following accessibility best practices.

Responsabilidades

• Lead development of product features and APIs.
• Write clear, secure, and resilient code.
• Guide research and technical planning for new initiatives.

Conhecimentos

C#/.NET

Python

React

TypeScript

SQL expertise

AWS

Docker

Git

Communication skills

Ferramentas

Django/Celery

PostgreSQL

MSSQL

Descrição da oferta de emprego

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 transforming the way organizations discover, engage, and hire the best talent. Connecting companies and candidates anytime, anywhere, end-to-end hiring platform features video interviewing, assessments, and conversational AI. As an industry leader in science-backed, modern hiring solutions powered by ethical AI, they have hosted more than 70 million video interviews and 200 million chat-based candidate engagements for over 1,200 pioneering customers around the globe.

Apply now! This is a unique opportunity for you to not only accelerate your international career but also work in a groundbreaking company.

Challenge

We are seeking a Senior Full Stack Software Engineer to join a high-impact product team responsible for driving engagement and workflow solutions on a modern SaaS platform. This role combines full-stack development expertise with strong architectural thinking and a pragmatic mindset for balancing innovation, delivery, and maintainability.

What you’ll do

• Lead and contribute to the development of product features, APIs, and services in both Python and .NET (C#).
• Build accessible and performant user interfaces using React, TypeScript, and CSS.
• Write clear, secure, and resilient code with comprehensive unit and integration tests.
• Analyze product requirements and write scalable technical designs.
• Own and resolve complex system issues, ensuring high availability and reliability.
• Provide thoughtful code reviews and mentor fellow engineers.
• Guide research and technical planning for new initiatives.
• Ensure effective automated testing coverage at all layers of the test pyramid.
• Document design patterns and solutions; present ideas through documentation and technical discussions.
• Promote a risk-aware, pragmatic approach to design and operations.

In order to succeed in this position, you will need:

Mandatory skills

• 5+ years in a software engineering role building cloud-based SaaS applications.
• Strong hands‑on experience with C#/.NET and Python, Django/Celery, including RESTful API architecture.
• Proficiency with React, TypeScript, HTML, and CSS following accessibility and UX best practices.
• Solid SQL expertise (PostgreSQL, MSSQL), with experience in schema design, query optimization, and relational modeling.
• Familiarity with AWS (Lambda, S3, SQS, Fargate);
• Postgres, DynamoDB, OpenSearch;
• Familiarity with containerization.
• Experience designing scalable systems using cloud infrastructure (preferably AWS).
• Familiarity with Docker and microservices architecture.
• Proficiency with Git, including rebase, squashing, and clean branching strategies.
• Experience in distributed, remote team collaboration.
• Strong communication skills and ability to work effectively with Product and UX teams.

Nice to Have

• Experience with Django, Celery, WebRTC, or legacy system integration.
• Familiarity with observability and logging tools (Splunk, OpenSearch).
• Background with CI/CD tooling such as Jenkins or Octopus.
• Hands‑on with AWS services (Lambda, Fargate, EC2, SageMaker, Lex, Comprehend, Rekognition).
• Infrastructure as Code with Terraform.
• Experience using AI‑powered IDEs or development tools.
• Understanding of software security practices and performance testing strategies.

Perks and Benefits

As a Senior Software Engineer @Ubiminds, 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 laptop (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

• Interview with Tech Recruiter (specific chat about the job opening)
• Client process (including technical challenges and on‑demand assessments)
• Offer