Congero, v. (kon-JER-ō) {Latin}
to bring together, compile, accumulate
Why Congero?
Working with Congero Technology Group
At Congero Technology Group, we combine cutting-edge ideas with proven dependability.
We understand that no two businesses are alike, we’ve built a diverse team of 35 team members from around the world. When our team is on site, we have one mission: to deliver a unique billing solution that increases revenue for your company.
Our process is transparent, and we’re honest about what works and what doesn’t. We know every member of your team is critical to understanding your business needs, and we treat them that way—from the CEO to the administrative assistant.
When you work with Congero Technology Group, your team becomes our team. Your goals become our goals. And our successes become yours.

Team Members
Customers
Countries
Years in Business
offices
Our international headquarters

Reston, USA

Toronto, Canada

Queretaro, Mexico

Bangalore, India

San Jose, Costa Rica
Our Story
Over the Years
2003
Thomas Cong left Portal Software and started an independent consulting business for customers such as GM Onstar and Sirius XM
2006
Oracle acquired Portal Software and renamed it Oracle Billing and Revenue Management
2008
Ebillsoft incorporated in Fairfax VA by Thomas Cong and Jorgen Jensen. Ebillsoft became Oracle Gold Partner and started delivering BRM implementation services.
2012
Ebillsoft started business in Canada
2015
We recognized the need for cloud-based solutions Ebillsoft embarked on BRMbox cloud billing platform based on Oracle BRM
2016
We opened our first R&D center in Bangalore India
2017
Ebillsoft Mexico opened our first office in Latin America
2018
We re-launched as Congero Technology Group
2019
Congero started a consulting delivery team in Costa Rica
the team
Meet our team members

Thomas Cong
President & CEO
Mr. Cong has more than 17 years of experience in application design and development, enterprise systems integration and consulting. He possesses strong knowledge and hands-on experience of enterprise platform technologies including CRM, billing & revenue management, Java enterprise systems. As a dedicated team player with strong communications skills, he has track records to take on leadership role in challenging projects to achieve customer total satisfaction.

Kamal Bhasin
Vice President of Strategy and Delivery Management
Kamal Bhasin graduated with his MCA in Computer Science and Applications from South Gurjarat University. After college, Bhasin went on to be a Solutions Architect for well-known software companies such as Oracle, Portal Software, and Cisco. He joined the Congero Technology Group as a Consultant in 2012. Now, Vice President of Strategy and Delivery Management, Kamal is responsible for the strategic direction of the Congero Cloud and the Consulting efforts of the Congero Technology Group. Kamal delivers the highest quality success for our clients.

MICHAEL WANG
Sr. Principal Consultant
After graduating with a Ph.D. degree from Washington University in St. Louis, Michael started working in both scientific and industrial computing. He accumulated many years of experience in the full life cycle of enterprise software architecting, design and development.

Manikandan Sekar
Principal Cloud Architect
Manikandan is versatile software engineer who primarily works on cloud operations and devOps for Congero. He also has more than 13 years of billing domain experience and specializes in architecting cloud friendly microservices.

Federico Piazza
Sr Principal Consultant
Federico is a Java Senior Software Engineer with 14 years experience in backends. He is passionate about distributed systems, software architecture, event oriented systems, microservices and technology. In his free time, he enjoys sailing, kayaking, scuba diving and outdoor activities

Alexander Salazar
Delivery Lead, LATAM
Graduated with an Electrical Engineer degree, Alex has experience in software development and solution architecture after working for Oracle and joining Congero Technology in 2018. In his free time, he enjoys reading, doing martial arts and obtaining knowledge through acquiring new certifications.

Minh Phanivong
Sr Principal Consultant
Minh Phanivong is a principal IT Consultant with extensive experience in Team Lead, Architecture, Requirements, Analysis, Design, Development, Testing, and Implementation. Over the course of his career, Minh has completed extensive work on Oracle BRM, Kenan and Amdocs billing platforms.

Marilyn Miranda
Technical Consultant
Marilyn is a graduate in Systems Engineering from Universidad de Costa Rica. She also has a degree (licenciatura) in Computing Engineering from Universidad Estatal a Distancia of Costa Rica. In recent years, she has been dedicated to web development and is very interested on the area of testing software (QA).

Alexander Bramford
Principal Consultant
Alex started his career in the digital typesetting and pharmaceuticals ERP worlds and has worked as billing consultant in the Telecoms and Finance industries since the early 00’s. He brings a wealth of experience in integrating billing systems to third-party payment processing and taxation vendors.

Sanchit Sharma
Delivery Lead, North America
Sanchit has over 17 years of experience in Technology with successful record of delivering large enterprise projects. He is passionate about Cloud architecture, microservices, event driven architecture and Big data technologies. Besides work, he spends time with family outdoor, runs and plays tennis.

Saray Mora
QA Analyst

Roberto Castro
Sr Consultant
Working remotely from our team in Costa Rica, Roberto enjoys pushing himself to new challenges and learning new technologies. He enjoys nature and learning new things every day.

Randal Vargas
Sr Consultant
Graduated from University of Costa Rica in 2013, Randal started his professional career as developer on Oracle CRM (Siebel) working as part of a team and individual tasks. Over the years, he had different roles as analyst and deployer, integrations with different applications (like IBM-MQ, AIA and BRM).

Adrian Rocha
Tech Lead, LATAM
Adrian has broad experience in business supporting systems for telecom and financial companies. He led development teams and designed architecture solutions in different projects in Latin America, Europe and the U.S. Adrian holds a BS in Information Systems, and is pursuing an MBA at the University of Barcelona.

Sharon Solano
HR Lead, LATAM
As somone who has strong passion for her field, Sharon is working full time while pursuing a Business Administration degree. She pushes daily to improve herself professionally and is strongly motivated by her dreams and goals. Her hobbies include traveling, photography, reading and spending time with loved ones.

Quyen Dao
Finance/Payroll Lead
Quyen joined the Congero Technology Group in 2016. Along with the growth and development of the company, Quyen has accumulated a lot of experience and knowledge to utilize in her career field. Quyen is responsible for all areas of finance and administration including payroll, benefits, accounts payable and receivables, general ledger, banking, and reconciliations. In her free time, Quyen likes to hike, bike, and swim with her family and friends.

Prasad Gali
Principal Consultant
Graduated from JNTU University, Hyderabad, India, Prasad has over 14 years of experience in design, development and architecting in OSS, middleware and Big Data domain. Worked in various applications (OSM, ASAP and AIA) related to Oracle Communications suite and Big Data technologies.

Guillermo Romero Brenes
QA Consultant
“I’m a person who likes to learn about new technologies that help me to do better my work, I like to learn about everything that knows my coworkers that I can apply in my daily and think teamwork is really important to have a good work environment and to finish the project correctly.”

Tina Huynh
Digital Marketing Specialist
Graduated summa cum laude with a Bachlor’s in Mass Communication, Tina started her career in marketing with Congero Technology Group. She is experienced with Adobe CC, website design and blog writing. In her free time, she enjoys playing table tennis, guitar and trying new Vietnamese recipes.

Maria Cortes
QA Junior
I belong to a network of girls in technology called TIC-as, it is a project led by Cooperativa Sulá Batsú, it works with the economic support of the Fund for Gender Equality of UN-Women, the objective is to create employment conditions for women in the ICT sector in Costa Rica, we also develop Female Hackathons.
Apart from my technological training, I enjoy painting, drawing and learning to play the guitar.

Ericka Solorzano
Sr Consultant
“I can define myself as a proactive, committed and responsable person. I also have a high sense of urgency, I can define priorities on my task and work on that. My goal is to provide quality communication, work and professionalism, along with excellent collaboration & team building skills with proficiency in grasping new technical concepts quickly & utilizing the same in a productive manner”.

Saikat Sen
Principal Consultant
Graduated with Computer Science engineering from WBUT, India, Saikat is an Oracle certified specialist with more than 11 years of experience in design, implementation, analysis and development in Oracle BRM. He likes to lead projects from concept through release process. His favorite pass-times include playing cricket, badminton and chess.

Phien-An Nguyen
Cloud Infrastructure Engineer
Phien-An is passionate about making everything in the cloud work right. He enjoys riding bike or his big truck in his free time.

Daniel Vargas
QA Engineer
Graduated at Universidad Nacional de Costa Rica with a magister degree in IT, Daniel is a person who loves to learn about new technologies. He has experience working as a Developer in Siebel CRM, he also has experience in QA area working with difference tools (like Siebel CRM, AIA and Oracle BRM).

Frida Xirinachs
Technical Consultant
Recently graduated in Business Informatics from the University of Costa Rica, Frida joined Congero Technology Group as a Technical Consultant in 2020. Her work is directly related to Oracle Billing and Revenue Management.

Jose peralta
Technical Consultant
Jose graduated from the National University of Costa Rica in 2016. He has been working as a Software Engineer and other roles before getting his opportunity at Congero Technology Group. He is passionate about drawing, reading and learning about new technologies.

Francisco Herrera
Director of Business Development in Latin America
Francisco is a Cybernetics and Computer Engineer with 31 years of experience in the LATAM IT market. He is passionate about sales, marketing and technology, and is certified in three different methodologies of Consultative Selling.

Daniel Vargas
QA Engineer
Graduated at Universidad Nacional de Costa Rica with a magister degree in IT, Daniel is a person who loves to learn about new technologies. He has experience working as a Developer in Siebel CRM, he also has experience in QA area working with difference tools (like Siebel CRM, AIA and Oracle BRM).