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Nelson OmbuyaNO
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Nelson Ombuya

@nelsonombuya

I build reliable backend integrations and distributed fintech platforms.

Kenya
Message

What I'm looking for

I'm looking for focused end-to-end technical ownership building reliable backend, platform, and distributed systems, where I can collaborate across engineering and business teams while growing my applied AI/ML capability.

I'm delivering a bank-platform implementation at Vyntra Global, deploying fraud and transaction-monitoring analytics across client server clusters. I build Python and Bash automation, troubleshoot Kafka, Mesos, Helix, ZooKeeper, and Elasticsearch, and harden RHEL systems with Ansible, mTLS, and OAuth 2.0/OpenID Connect.

Previously at Davis & Shirtliff, I built multi-country tax and e-invoicing integrations connecting Microsoft Dynamics 365 Business Central to revenue-authority systems in Zambia, Tanzania, and the DRC. I also built real-time Kafka pipelines handling 10,000+ IoT messages daily, improved API transaction processing by 40%, and developed automation, reporting, and internal platforms used across the business.

Experience

Work history, roles, and key accomplishments

Vyntra Global logoVG
Current

Professional Services Consultant

Jan 2026 - Present (7 months)

Took ownership of an active bank-platform implementation, deploying a fraud and transaction-monitoring analytics platform across the client’s server cluster.
● Coordinated historical-data ingestion for model training with client engineering and business teams, aligning technical delivery with operational requirements.
● Built Bash and Python automation for platform builds, ingestion workflows, and

Davis & Shirtliff logoDS

Assistant Systems Developer

Mar 2022 - Dec 2025 (3 years 9 months)

● Built and maintained backend applications and integrations using Python, PHP, JavaScript, SQL, PostgreSQL, Redis, and Microsoft Dynamics 365 Business Central.
● Built real-time data pipelines processing 10,000+ IoT messages daily using Kafka, Redis, and PostgreSQL.
● Improved high-performance API transaction processing by 40% through debugging, optimization, and systems integration work.
● Deliv

Mentor High School logoMS

IT Consultant

Jun 2015 - Dec 2022 (7 years 6 months)

● Managed IT systems, student records, online KCSE registration, and project support.
● Built an automated Student Leaving Certificate process and improved record-keeping workflows.
● Improved fee-record accuracy and contributed to a 20% per-term revenue increase.

Davis & Shirtliff logoDS

Assistant I.C.T. Administrator

Nov 2021 - Feb 2022 (3 months)

● Provided first-level support to users for software, hardware, and business systems
● Managed and issued computers and peripherals to users, maintaining accurate records
● Created and maintained a knowledge base for users to troubleshoot ICT solutions
● Managed and maintained user licenses and groups, and installed software on Azure
● Trained new interns in our department to assist in providing t

Davis & Shirtliff logoDS

IT Attaché

Jul 2021 - Nov 2021 (4 months)

● Provided first-level support to users for their software and hardware systems
● Managed and issued computers and peripherals to users, maintaining accurate records
● Set up and inducted new employees on the company's IT services
● Resolved the highest number of cases in the second month of attachment
● Trained a new employee in our department to assist in providing technical support to users in

Education

Degrees, certifications, and relevant coursework

UN

University of Nairobi

Bachelor of Engineering - BE, Electrical and Electronics Engineering

BR

Brainnest

Python Industry Developer Training Programme, Computer Software Engineering

2023 - 2023

Deepened my knowledge of Python and gained hands-on experience with industry-relevant Python applications, under the guidance of seasoned professionals. This immersive program has sharpened my problem-solving, teamwork, and communication skills, while also keeping me up-to-date with the latest trends in the dynamic world of software development.

KU

Kabarak University

Bachelor of Science - BS, Computer Science

2018 - 2021

Graduated with a Second Class Honors - Upper Division with a focus on Software Development

Kabarak University logoKU

Kabarak University

Bachelor of Science, Computer Science

2018 - 2021

Grade: Second Class Honors - Upper Division

Graduated with a Second Class Honors - Upper Division with a focus on Software Development.

UA

Utumishi Boys Academy

2011 - 2014

● Participated in a range of extracurricular clubs including Scouts, Choir, Drama, Science, Math, Computer, and Photography.
● Elected as class representative for Maths, Computer Studies, and Physics, demonstrating leadership and responsibility
● Demonstrated a diverse range of interests and skills, including an aptitude for math, science, and technology, as well as musical and creative abilities.

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