Sherkhan Iskender
@sherkhaniskender
Senior Frontend Engineer at Neocode / Paylink, building a payment platform processing ~$9K in payments daily.
KazakhstanWhat I'm looking for
At Neocode / Paylink, I built a payment platform from scratch, including merchant Back Office and Front Office products and an embeddable payment widget. It now processes ~$9K (~4M KZT) in payments daily, and I own frontend architecture for its core payment flows.
I implemented Content Security Policy controls for cardholder-data pages to meet PCI DSS requirements. I also instrumented the payment funnel with analytics events and behavioral tracking, giving product a step-by-step view of conversion.
At Kcell JSC / OMNI, I shipped seven services across multiple platforms serving 86,000+ customers, with zero-downtime releases. I integrated identity verification with facial biometrics and introduced a standardized error-handling layer.
At MTour, I chose the frontend stack and architecture, configured Next.js SSR, and reduced Time to Interactive from five seconds to 2.5 seconds. Earlier, at KAZPROM ENGINEERING, I worked on TypeScript migrations, GraphQL query optimization, and real-time industrial equipment monitoring endpoints.
Experience
Work history, roles, and key accomplishments
Senior Frontend Developer
Neocode / Paylink
May 2025 - Present (1 year 5 months)
Built a payment platform from scratch, including merchant back office, front office, and embeddable payment widget, processing ~$9K daily. Implemented client-side security controls for PCI DSS and led code reviews while mentoring two developers.
Frontend Developer
Kcell JSC / OMNI
Sep 2023 - May 2025 (1 year 8 months)
Shipped 7 services across multiple platforms serving 86,000+ customers with zero-downtime releases. Integrated identity verification with facial biometrics and introduced a standardized error-handling layer.
Lead Frontend Developer
MTour
Mar 2022 - May 2023 (1 year 2 months)
Chose frontend stack and architecture for a multi-module product, configured SSR in Next.js cutting Time to Interactive from 5s to 2.5s. Built a reusable UI design system and a content-management CRM.
Backend Developer
KAZPROM ENGINEERING
Jan 2021 - Mar 2022 (1 year 2 months)
Migrated core systems to TypeScript, optimized GraphQL queries, and built real-time industrial equipment monitoring endpoints. Maintained company CRM by fixing critical bugs and shipping new business logic.
Education
Degrees, certifications, and relevant coursework
Astana IT University
Bachelor of Science, Software Engineering
2020 - 2023
Bachelor of Science in Software Engineering from Astana IT University, completed in 2023.
Availability
Location
KazakhstanAuthorized to work in
Salary expectations
Job categories
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