Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Bruno Cunha

Sorocaba

Summary

Staff Engineer
Experienced in building scalable backend systems and leading high-impact engineering teams. Strong background in .NET, Azure, Kubernetes, CI/CD, and microservices.

  • Led architecture and development of a digital bank from scratch
  • First Tech Lead at Bankly (BaaS), delivering core client APIs
  • Developed a KYC system for a European payment gateway
  • Drove platform improvements at Stone in auth, cost efficiency, and scalability (KEDA, Hyperscale, logs)
  • Currently managing 3 cross-functional teams and leading the Credit Staff Engineering Chapter

Passionate about system design, developer experience, and using technology to unlock business value.

Overview

6
6
years of professional experience

Work History

Staff Software Engineer

Stone
03.2023 - Current
  • I've worked as a Staff Engineer in the Credit business unit at Stone, within the Platform Team, responsible for building and maintaining cross-functional applications used by all credit squads.
  • I focused on delivering reusable, scalable, and efficient platform components—ranging from APIs and SDKs to services for authentication, observability, and operational automation—ensuring consistency and acceleration across all credit engineering squads.
  • PicPay, Staff Software Engineer
  • Aug 2022 - Feb 2023
  • At PicPay, I serve as a Staff Engineer on Project Esmeralda, the company's strategic initiative to build its acquiring platform from the ground up. I am responsible for leading the technical architecture of the e-commerce domain, ensuring our systems are scalable, secure, and aligned with the business vision of becoming a major player in digital payments.
  • My role bridges high-level architectural design and hands-on guidance for engineering squads, helping define standards, enabling reusability, and ensuring seamless integration across services in the acquiring ecosystem.
  • Key responsibilities:
  • - Defined and maintained the architecture of the e-commerce acquiring platform, focusing on scalability and resilience
  • - Worked closely with product managers, architects, and engineering leaders to align tech vision with business strategy
  • - Supported engineering squads through design reviews, technical mentoring, and cross-domain coordination
  • - Promoted best practices in API design, observability, testing, and domain-driven design (DDD)
  • - Contributed to defining platform-wide standards and strategies, enabling efficient product delivery at scale

Senior Software Engineer

Paybyrd
09.2021 - 04.2022
  • At Paybyrd, a European payment gateway, I work as a Senior Software Engineer responsible for building and maintaining high-performance APIs and backend services that power e-commerce transactions, POS payments, and fund transfers across multiple countries.
  • I've continued to leverage the same modern backend stack I used at Bankly — including .NET Core, SQL Server, Redis, and Kubernetes — while adapting to the regulatory and technical requirements of European payment systems.
  • Career Highlight:
  • Designed and implemented a KYC (Know Your Customer) system for onboarding new sellers into the e-commerce platform. The system integrated with Azure DevOps Boards, allowing the operations team to manually review submitted documentation and streamline the approval process.
  • Key responsibilities:
  • - Developed and maintained APIs supporting e-commerce checkouts, POS devices, and fund transfers
  • - Ensured compliance with European payment regulations, including security and data handling practices
  • - Worked on transactional systems with high availability, consistency, and performance requirements

Team Lead

Bankly - Banking as a Service
03.2021 - 07.2021
  • After leading the initial technical foundation of Bankly, I transitioned into the role of Team Lead, where I was responsible for managing and growing a team of backend developers focused on serving high-volume transactional clients.
  • My role combined technical leadership, people management, and delivery ownership, ensuring that our APIs and systems were able to scale reliably to meet the demands of key enterprise clients. I worked cross-functionally with architecture, infrastructure, and product teams to deliver robust and secure solutions.
  • Key responsibilities:
  • - Led a team of backend developers focused on mission-critical BaaS APIs
  • - Oversaw delivery, planning, and prioritization for high-volume client features and integrations
  • - Worked closely with architecture and SRE teams to ensure performance and scalability under heavy load
  • - Coached and mentored team members, fostering growth and engineering excellence
  • - Represented the team in client-specific discussions, balancing business needs with technical constraints
  • - Promoted best practices in code quality, observability, testing, and system resilience

Lead Technical Specialist

Bankly - Banking as a Service
01.2020 - 03.2021
  • Following the success of the digital bank initiative (Acesso), I was selected as the first Tech Lead of Bankly, a new strategic business unit focused on delivering Banking-as-a-Service (BaaS) solutions. I played a foundational role in this new venture, leading the technical direction and guiding the initial development efforts.
  • My primary responsibility was to design and implement the first set of public APIs that would serve external clients, enabling them to integrate seamlessly with Bankly's financial services. I worked closely with architecture, security, and product teams to ensure scalability, reliability, and compliance from day one.
  • Key responsibilities:
  • - Acted as founding Tech Lead for the BaaS initiative within Acesso
  • - Led the design and development of core public-facing REST APIs used by Bankly clients
  • - Defined technical standards, architecture patterns, and CI/CD strategies for the platform
  • - Ensured security, compliance, and performance were embedded into the development lifecycle
  • - Collaborated with product managers and business leaders to align technical capabilities with customer needs
  • - Mentored the initial team of developers, setting the culture for technical excellence

Senior Software Engineer

Acesso Solucoes De Pagamento
02.2019 - 01.2020
  • After progressing through multiple roles at Acesso, I was promoted to Senior Software Developer (L3). In this role, I continued to develop backend systems using .NET Framework, .NET Core, SQL Server, and Redis, while also expanding my influence across technical decisions and cross-functional collaboration.
  • I worked closely with architects and product managers to define technical approaches and align development with business goals. My responsibilities included mentoring other developers, contributing to system design, and ensuring the delivery of scalable and maintainable solutions.
  • Career Highlight:
  • Was participating in the development of the company's digital banking app from scratch, contributing to its backend architecture, service integration, and delivery pipelines. I worked closely with architects and product managers to ensure technical soundness, scalability, and alignment with business goals.
  • Key responsibilities:
  • - Designed and implemented backend services using .NET Framework and .NET Core
  • - Participated in technical decision-making and architecture discussions for new features and services
  • - Collaborated with product teams to align technical solutions with business needs
  • - Maintained and evolved unit and integration test suites to uphold code quality
  • - Supported and mentored junior developers
  • - Ensured performance, security, and maintainability in all deliverables

Education

Bachelor's Degree - Systems Analysis and Development, Information Technology

Fatec Carapicuiba
01.2015

Data Science

Data Science Academy
08.2025

Information Technology

Strides Tech Community
03.2025

Bachelor's Degree - Information Technology Management, Information Technology Management

Universidade Paulista
01.2012

Skills

  • C#
  • Unit / Integrated Tests
  • Kubernets (docker, Healm)
  • Datadog (Observability)
  • Microsoft Azure Cloud
  • Aws
  • SQL Server
  • Mongo DB

Languages

English
Upper intermediate (B2)

Timeline

Staff Software Engineer

Stone
03.2023 - Current

Senior Software Engineer

Paybyrd
09.2021 - 04.2022

Team Lead

Bankly - Banking as a Service
03.2021 - 07.2021

Lead Technical Specialist

Bankly - Banking as a Service
01.2020 - 03.2021

Senior Software Engineer

Acesso Solucoes De Pagamento
02.2019 - 01.2020

Data Science

Data Science Academy

Information Technology

Strides Tech Community

Bachelor's Degree - Information Technology Management, Information Technology Management

Universidade Paulista

Bachelor's Degree - Systems Analysis and Development, Information Technology

Fatec Carapicuiba
Bruno Cunha