Senior Software Engineer DevTechStudio LLC
Held a remote Senior Software Engineer role at DevTechStudio LLC in Denver, United States.
Contributed senior-level software engineering experience across scalable back-end and full-stack business systems.
Daniel Freitas
Senior Software Engineer
Open to offers · Member since 5 Nov 2026- Location
- São Paulo, Brazil
- Desired salary
- Unspecified
- Work preference
- Remote Only
- Experience level
- Senior
About
Professional summaryI am a Senior Software Engineer with 11 years of experience building scalable back-end and full-stack solutions. My work has focused on financial systems and complex business transactions that improve operational efficiency.
I have designed secure payment systems that integrate multiple financial services. I prioritize reliability, accurate reconciliation, and observability in systems where transaction integrity is critical.
My core development experience includes JavaScript, TypeScript, PHP, SQL, Node.js, React, Laravel, and Flutter. I build applications across web, mobile, API, and microservice environments.
I have worked with PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, AWS, Azure, and Google Cloud. I am experienced with CI/CD, code review, Agile delivery, distributed tracing, background processing, and cloud deployments.
I have delivered CRM, ERP, CMS, customer-data, inventory, and mobile solutions for businesses. I am also an AWS Certified Developer, Docker Certified Associate, and Google Cloud Associate Cloud Engineer.
Skills
26 capabilitiesTech stack & tools
Working toolkitApplication Hosting
Collaboration
Data Stores
Languages & Frameworks
Monitoring
Experience
Career historyFull-Stack Developer Bits Kingdom
Worked remotely as a Full-Stack Developer for Bits Kingdom in State Line, United States.
Delivered web and application development work using modern full-stack technologies and cloud services.
Software Engineer IT Crowd
Built a customer data management dashboard with React and Node.js, reducing client onboarding to one day. Engineered an Azure-hosted mobile API processing more than 500 requests per minute, and deployed highly available, scalable microservices on AWS.
Implemented Node.js background jobs with BullMQ to reconcile Stripe webhook events and prevent duplicate charges. Set up SAML SSO, implemented tracing with OpenTelemetry and Jaeger, developed Astro sites, Flutter offline-posting functionality, CRM and catalog systems, and Google Cloud integrations for improved reliability and monitoring.
Junior Software Engineer Studocu
Worked on ERP implementation projects, integrating business processes into a unified platform. Added VAT rules to a checkout service and migrated legacy code toward a more modular architecture.
Developed a content management system for uploading and sharing study materials. Configured Sidekiq queues for mailers and indexers so resource-intensive PDF processing ran outside web requests.
Education
Learning historyUniversity of California-Berkeley
Bachelor of Science (BSc), Computer Science
Bachelor of Science in Computer Science. Located in California, United States.
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