Registry · PA-F59DC6

Staff Backend Engineer, .NET and AWS Serverless

Fifteen years building the backends behind banks, payment networks and lending platforms in Nicaragua, Mexico and Panama. C# and .NET APIs, serverless on AWS Lambda, API Gateway, DynamoDB and Step Functions, with SQL Server and PostgreSQL underneath. Has led backend teams on systems that run 24/7 under high transaction volume.

Availability

Available nowProfiles presented within 48 hours

Seniority

Staff ยท 15 years

Stack

.NETC#RESTAws lambdaApi gatewayDynamodbStep functionsSQL ServerPostgreSQLMongodbNode.jsPython

Languages

Spanish (native)English (B1)
  1. 2023 to now Senior Software Engineer (independent) independent software servicesMay 2023 to Present
    • Designs and builds .NET REST APIs for high-volume transactional systems.
    • Designs serverless architectures on AWS for scale, resilience and cost.
    • Tunes critical systems in production, cutting response times.
  2. 2023 to 2024 Technical Lead payments network (Mexico)Jan 2023 to Nov 2024
    • Led the backend team on high-volume, high-availability systems, from architecture to release planning.
    • Designed event-driven, asynchronous processing for financial integrations.
    • Set quality standards and documentation, and integrated many external platforms.
  3. 2023 to 2024 Senior Backend Developer digital lending platform (Panama)Apr 2023 to Jan 2024
    • Built APIs and microservices for credit origination, onboarding and digital enrollment.
    • Integrated risk engines and AML checks against international watchlists.
    • Built quoting and approval flows for financial products in C#, Node.js and Python.
  4. 2017 to 2022 Software Development Coordinator regional business group (Nicaragua)Oct 2017 to Mar 2022
    • Built 24/7 REST APIs integrating core business systems, including banking environments.
    • Integrated payment networks and international services, and tuned high-volume processes.
    • Trained and coached internal development teams.
  5. 2015 to 2017 Analyst-Programmer regional bankDec 2015 to Oct 2017
    • Moved core banking processes from IBS/AS400 to Bizagi workflows, including account opening for individuals and companies.
    • Built the vehicle-loan request, quote and disbursement flow for the bank in Panama.
  6. 2011 to 2015 Developer technology and enterprise software companies (Nicaragua)May 2011 to Dec 2015
    • Built inventory, billing, healthcare and order-tracking applications, including GPS-based mobile apps, over SQL Server and MySQL.

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