Job Summary: We are looking for a Backend Engineer to contribute to the construction and evolution of the .NET chassis, implementing and refining its components, supporting teams, and defining standards. Key Highlights: 1. .NET chassis construction and evolution 2. Supporting teams during migrations (Strangler Fig) 3. Defining standards and guidelines for adoption At Vindi, we are more than a financial services company; we are a powerhouse of integrated solutions. With comprehensive features, our platforms offer intelligent capabilities for **one-time** or **recurring payments**, and the opportunity to enter the ***embedded finance*** market by building **customized credit solutions** for both financial and non-financial enterprises. Our **years of history** encompass numerous achievements, journeys, and trajectories that, over time, have converged to form a true powerhouse in the financial market. We are driven by passion for what we do, tirelessly working to optimize processes and promote **excellence in financial services**, always guided by the values of collaboration, commitment to results, positive attitude, ethics and transparency, creativity and innovation, diversity and inclusion. At Vindi, **every employee is a fundamental part of our success.** With a diverse and inclusive team, we value the unique contribution of each individual, fostering an environment of collaboration, autonomy, and mutual respect. Here, we work united by a common purpose: **to be the benchmark for financial services in Brazil.** **Join us and be part of this transformation journey.** If you are passionate about challenges, come make a difference at Vindi and help us build the future of financial services in Brazil. **Responsibilities and Duties** **Your day-to-day will include:** * Contributing to the construction and evolution of the **.NET chassis**, implementing and refining its components: persistence, messaging, observability, authentication, resilience, and testing * Implementing the first migrated services based on the chassis, validating its conventions in practice * Supporting stream-flow teams during migrations (Strangler Fig), serving as the technical reference point for using the chassis * Actively contributing to defining standards, guidelines, and examples that accelerate adoption across other teams **Requirements and Qualifications** **To excel in this role, you’ll need:** * **Deep Ruby knowledge** — Ruby doesn’t need to be your current daily language, but you must master it * Solid production **backend engineering experience**: relational databases, messaging systems, REST APIs, automated testing * Ability to independently navigate legacy code — understand existing implementations, identify coupling points, and propose incremental extractions * **Active use of AI-powered programming tools** (e.g., Claude Code, Cursor, or similar) in daily work — not as a curiosity, but as part of your development workflow **Bonus qualifications (nice to have):** * **Experience with modern .NET** — ideally someone with a Ruby background who currently uses .NET * Experience with opinionated microservices chassis or frameworks (e.g., Spring Boot, .NET, etc.) as conceptual references * Experience in **PCI DSS** and/or regulated environments (BACEN, Open Finance) * Knowledge of cloud infrastructure (AWS or GCP) and container/Kubernetes practices **Additional Information** **What we offer:** Health insurance; Dental insurance; Meal allowance or food allowance; Childcare assistance; Transportation allowance; Profit-sharing program (PPR); Birthday day off; Life insurance; Wellhub; Férias&Co (travel benefit); 6-month maternity leave and 20-day paternity leave; Flexible working hours; \#Secuida — our Quality of Life Program; Partnerships with various establishments and institutions in education, health, leisure, entertainment, and other areas. **Our location:** R. do Paraíso, 148 \- Paraíso, São Paulo \- SP \| 04103\-010 **Important note:** This and all open positions at LWSA are open to all individuals, regardless of gender, ethnicity, sexual orientation, disability, or socioeconomic status. We emphasize that our positions are open to all persons with disabilities (PcDs). Did you know LWSA is a digital solutions ecosystem composed of multiple companies? Indeed, and all of them share a single objective: **transforming businesses to help them grow and thrive through technology**. Our team is recognized for **passion, creativity, perseverance, and collaboration**. And just like the people building their careers here, each of our brands has its own unique identity while sharing the same drive to evolve and consistently deliver the best. **LWSA has a place that could be perfect for you!** Here, you can build your career in an environment of **autonomy, respect, and diversity**, within a company committed to developing its professionals to keep innovating and creating tomorrow’s solutions. So, are you ready to join this ecosystem and discover all the possibilities we have for your career? Feeling a strong “match” with our profile and sharing your resume here is the first step toward joining our team!
João Silva
Indeed · HR
João Silva
Indeed · HR
