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John Henry Tenesaca CriolloJC
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John Henry Tenesaca Criollo

@johnhenrytenesacacri

Backend software engineer at EPAM Systems / NEORIS building payment orchestration for Banco Pichincha’s transactional switch.

Ecuador
Message

At EPAM Systems / NEORIS, I work on the backend of Banco Pichincha’s high-throughput transactional switch. I improved response times by 10% and increased stability under high load, and I designed payment orchestration flows for validating, routing, and auditing transactions.

At KrugerCorp, I developed backend solutions for Corporación Favorita’s large-scale inventory systems. My work included Kafka event-driven stock tracking and services that processed more than 5,000 products daily; I also reduced processing times by 30% in critical inventory flows.

Earlier, at COOPERATIVA DE AHORRO Y CREDITO ERCO LTDA., I developed credit-control and batch-processing systems, as well as an SMS notification system for account transactions. I’ve also worked on web and mobile applications, academic software, and backend web services.

Experience

Work history, roles, and key accomplishments

EN
Current

Technical Consultant

EPAM Systems / NEORIS

Feb 2026 - Present (9 months)

Worked on the backend of a high-throughput transactional switch, handling real-time financial operations with strict latency requirements. Improved system performance, reducing response times by 10% and increasing stability under high load.

KR
Current

Technical Consultant

KrugerCorp

Sep 2022 - Present (4 years 2 months)

Developed backend solutions for large-scale inventory systems used in retail operations. Designed event-driven solutions using Kafka to track stock movements in real time and processed data for more than 5,000+ products daily.

CL

Software Developer

COOPERATIVA DE AHORRO Y CREDITO ERCO LTDA.

Apr 2022 - Sep 2022 (5 months)

Developed software solutions tailored to financial services, including credit-control systems integrated with Equifax and batch-processing systems using Java and Spring. Built an SMS notification system that reduced response times and saved 10% operational time.

WE

Web and Mobile Developer

Weconnect.corp

Jan 2022 - Mar 2022 (2 months)

Created and maintained web and mobile applications, including real-time bus tracking systems and notification systems for nearby bus stops. Implemented responsive user interfaces and optimized backend services.

CC

Web Services Developer

Coral Centro – Go Corp

Oct 2020 - Nov 2020 (1 month)

Developed and tested web services for internal applications, gaining hands-on experience with service-oriented architecture.

Education

Degrees, certifications, and relevant coursework

Universidad Politécnica Salesiana logoUS

Universidad Politécnica Salesiana

Master's in Software, Software

2023 - 2024

Pursued a Master's in Software with a focus on Systems Architecture Design from 2023 to 2024.

Universidad Politécnica Salesiana logoUS

Universidad Politécnica Salesiana

Bachelor's, Computer Science

2016 - 2021

Earned a Bachelor's in Computer Science from 2016 to 2021.

US

Unidad Educativa Técnico Salesiano

High School Diploma, IT Applications

2010 - 2016

Completed a High School Diploma in IT Applications from 2010 to 2016.

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