ELKIN BELTRÁN Systems Engineer | Senior Software Engineer

Senior Software Engineer

GLORY

Nov 2025 - Feb 2026 (4 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Developed cash management solutions integrating Glory cash counting machines and recyclers (CI‑50X, CI‑300, DE50/DE70 series). • Designed and maintained desktop applications with C#/.NET Framework 4.8/WPF, ensuring secure hardware integration. • Built backend services and RESTful APIs with .NET 7 for system integration and monitoring. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Created a middleware module enabling one application to manage multiple Glory machine models, reducing complexity. • Developed Python OCR automation scripts for POS transaction validation at D1 retail chain, improving efficiency and accuracy.

Independent .NET Consultant / Contractor

Undefined

Feb 2024 - Feb 2025 (1 year 1 month)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Provide architectural guidance and hands-on development for small to mid-sized companies using .Net Framework and .Net 6/7 (Backend): o Integrate current on-premise platforms (.Net Framework) with external third-party providers for online pin sales and top-up (API REST / SOAP. DB SQL Server). o Integrate current on-premise platforms (.Net 6) with Correspondent Banking to allow financial services to customers (API REST, Banking Protocols: ISO8583, BASE24. DB SQL Server)

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Independent .NET Consultant / Contractor

Feb 2024 - Feb 2025 (1 year 1 month)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Provide architectural guidance and hands-on development for small to mid-sized companies using .Net Framework and .Net 6/7 (Backend): o Integrate current on-premise platforms (.Net Framework) with external third-party providers for online pin sales and top-up (API REST / SOAP. DB SQL Server). o Integrate current on-premise platforms (.Net 6) with Correspondent Banking to allow financial services to customers (API REST, Banking Protocols: ISO8583, BASE24. DB SQL Server)

Senior Software Engineer

EPAM Systems

Jun 2021 - Dec 2023 (2 years 7 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Served as Senior Engineer for ARRIVIA (USA), leveraging .NET Core / .NET 6 (C#, REST/SOAP APIs, Azure Services). • Built and maintained a cloud B2C platform using Azure Service Bus topics, Azure Functions, CosmosDB, WebJobs, Logic Apps, AppInsights, API Management, Key Vault. • Managed and optimized MySQL and SQL Server databases. • Applied Scrum methodology and maintained Azure DevOps CI/CD pipelines. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Designed and developed Azure Functions (HTTP triggers) to integrate customer data from three different CRM systems. • Built Azure WebJobs to ETL customer data into the LiveVox IVR solution, improving interoperability. • Delivered a single view customer data presentation f

Software Designer

Globant

Nov 2018 - Jun 2021 (2 years 8 months)

Senior Software Developer

Globant

Nov 2018 - Jun 2021 (2 years 8 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Served as lead developer on the RADAR project for Disney Studios (Burbank, USA), using Microsoft .NET technologies (C#, Web API, REST services, Windows Services, SQL Server, ASP). • Defined and developed user stories within Rally/Jira, actively participating in Scrum ceremonies. • Maintained and optimized Jenkins CI/CD pipelines. • Managed DEV, QA, STAGE, and PROD environments, ensuring stability and smooth deployments. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Designed and implemented an Amazon SQS queue consumer for JSON data exchange. • Fostered strong collaboration with international teams across Uruguay, India, Argentina, and the USA. • Applied software design patterns to improve code quality and maintaina

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Chief Technology Officer

TECHNOLOGY SOLUTIONS

Mar 2017 - Jan 2018 (11 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Directed the software development team, allocating resources across projects including POS Spectra, Android, and Web applications. • Oversaw bug tracking and resolution using Mantis. • Led the development and implementation of monitoring and remote application download systems for both Spectra POS terminals and Android devices. • Prepared and submitted project proposals for major clients such as ETB, Banco W, and BBVA Perú. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Optimized resource distribution across projects, improving team efficiency. • Created Polaris Cloud Service, a product enabling POS geolocation, monitoring, and application updates. • Designed FlexiPOS, a flexible architecture framework for Spectra P

Lead Technical Specialist

Gattaca Outsourcing SAS GTK

Aug 2015 - Mar 2017 (1 year 8 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Defined and executed a migration strategy from the legacy COBIS switch to the new OmniPayments switch. • Documented switch requirements for inbound/outbound transactions (ISO8583, BASE24). • Designed architecture models using Archimate (Software Archi) to meet banking requirements. • Supported the design, testing, and validation of switch transactions, including unit and stress testing. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Secured CTO approval for a 21 step migration plan, successfully completing the first 12 steps. • Implemented the OmniPayments switch on HP NonStop servers. • Established an effective communication plan between Banco Agrario’s technical team and OmniPayments headquarters in India.

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Senior Software Developer

PointPay Colombia Ltda

Jan 2009 - Aug 2015 (6 years 8 months)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Developed and maintained a Transactional Switch (C++) to orchestrate operations across multiple businesses, including Top‑up, PIN Sales, Prepaid TV, Bill Payment, and Lottery. • Designed platform architecture covering application servers, databases, sales channels, firewalls, and VPNs. • Built and supported SQL Server 2005/2008 solutions (stored procedures, triggers, indexes, data migration). • Created sales applications for feature phones (J2ME) and desktop (Java Swing). • Developed a USSD integrator with TIGO mobile operator. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Enhanced the transactional platform to achieve 99.9% availability, processing 15 million transactions per month. • Introduced new sales channels

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Software Developer POS / Switch

TECHNOLOGY SOLUTIONS

Jan 2007 - Jan 2009 (2 years 1 month)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Developed financial and non‑financial POS applications for Spectra terminals (ANSI C). • Designed and implemented a Switch Core transactional (J2SE/J2EE) system to process top‑up transactions, deployed across Colombia, Venezuela, Mexico, and Costa Rica. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Strengthened the Spectra POS brand presence in LATAM, with notable impact in Colombia. • Built and launched Puntos Naranja, a transactional platform handling over 1 million monthly top‑up transactions.

IT Coordinator

Coompecens

Jan 2006 - Jan 2007 (1 year 1 month)

𝙆𝙚𝙮 𝙍𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨: • Led the development, support, and maintenance of the company’s bill payments platform. • Oversaw installation and configuration of internal software across all branch offices, ensuring operational consistency and reliability. • Provided ongoing technical support and troubleshooting to optimize system performance and user experience. 𝘼𝙘𝙝𝙞𝙚𝙫𝙚𝙢𝙚𝙣𝙩𝙨: • Successfully migrated the bill payment platform from Visual FoxPro (DOS) to a modern Windows environment, significantly improving cashier efficiency and customer service speed.

ELKIN BELTRÁN

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