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Яна Зелень
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Яна Зелень

@0009321

Backend engineer at Neoflex building a greenfield banking platform, from account lifecycle services to secure partner registry exchange.

Russian Federation
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At Neoflex, I joined a greenfield platform for special-purpose mortgage accounts from the start and helped take it to production. I work across account opening, servicing, closing, and registry exchange with an external partner.

My main area of ownership is the registry exchange: I built the Camunda process for secure file intake, validation, registry status tracking, and generating payment registries and reports. I also designed Kafka events for external consumers and built registry streaming into the bank’s data platform.

I’ve worked on account lifecycle and money flows, document generation, and production support. I investigated stuck Camunda processes, implemented PII masking in logs, and closed defects found during acceptance and integration testing.

Before Neoflex, I worked at Flexify.IO on a multi-cloud storage and data migration SaaS product in an English-speaking team. I integrated Scaleway storage, rewrote the migration progress algorithm, and set up CI with Testcontainers integration tests.

Experience

Work history, roles, and key accomplishments

NE
Current

Java/Kotlin Developer

Neoflex

Jun 2024 - Present (2 years 5 months)

Developed a greenfield banking platform for special-purpose mortgage accounts, taking it from initial service layer to production with 12 releases in 2025. Owned registry exchange with external partners, built Camunda processes, Kafka contracts, and audit migration across 8 microservices.

Education

Degrees, certifications, and relevant coursework

Lobachevsky State University of Nizhny Novgorod logoLN

Lobachevsky State University of Nizhny Novgorod

Professional Retraining, Data Analysis and Machine Learning

2023 - 2023

Completed a 9-month full-time professional retraining program in Data Analysis and Machine Learning.

MS

Maxima IT School

Course, Java Programming

2023 - 2023

Completed a Java Programming course in 2023.

Nizhny Novgorod State Linguistics University logoNU

Nizhny Novgorod State Linguistics University

Bachelor of Arts, Advertising and Public Relations

Earned a Bachelor of Arts in Advertising and Public Relations in 2022.

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