Info on the Senior Backend Software Engineer .NET / AWS role
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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 opportunity, you’ll join a global product engineering team building and evolving a high-volume, AI-powered SaaS platform used by thousands of companies worldwide.
Challenge
We’re looking for a Senior Backend Software Engineer (7+ years) to design, build, and maintain scalable, cloud-native microservices in a business-critical SaaS environment.
This role goes beyond implementation — you’ll act as a hands-on technical leader, contributing to architecture decisions, mentoring engineers, solving complex distributed system challenges, and strengthening engineering standards across a globally distributed team.
The platform operates at massive scale, requiring strong focus on performance, reliability, security, and cost efficiency.
Responsibilities:
- 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.
Mandatory Skills:
- 7+ years of professional software engineering experience.
- Strong expertise in C# and .NET Core.
- Deep understanding of microservices architecture and service-oriented design.
- Solid AWS experience and strong cloud best practices knowledge.
- Hands-on experience with Docker and Kubernetes.
- Strong SQL knowledge and relational database design (MSSQL, PostgreSQL, Aurora).
- Familiarity with DynamoDB.
- Experience designing scalable, secure, cost-effective cloud applications.
- Strong understanding of secure coding practices.
- Experience working in distributed, global teams.
- Strong English communication skills (written and verbal).
Nice to Have:
- Experience working on high-complexity, high-volume SaaS platforms.
- Experience mentoring engineers and defining engineering standards.
- Deep operational monitoring and observability expertise.
- Experience promoting architectural patterns and engineering best practices.
- Background in AI-driven SaaS, enterprise B2B platforms, or HR Tech.
- Openness to learning additional tools and cloud optimization strategies.
Team & Environment:
- Cross-functional, globally distributed product team.
- Strong collaboration across Backend, Product, UX, and Frontend.
- Engineering culture focused on ownership, accountability, and continuous improvement.
- High-impact environment where architectural decisions influence millions of end users.
Perks and Benefits
As a Senior Backend Engineer - NET / AWS @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