dexterd

Software Engineer

Senior Software Engineer with hands-on experience in backend and full-stack development, specializing in Kotlin and modern JVM ecosystems. Strong startup mindset with experience building platforms from scratch, including contributing to a project taken from zero to a PCI-certified, production-ready payment platform for public transport. Closely involved in system architecture decisions, core process design, and end-to-end implementation. Took ownership of platform documentation and served as the go-to engineer for onboarding developers. Focused on building scalable, maintainable solutions for payment platforms and enterprise applications.

Experience: 6 years

Yearly salary: $130,000

Hourly rate: $85

Nationality: 🌏 Remote

Residency: 🌏 Remote

Experience

Software Engineer

Vayapay

2022 - 2026

Building and maintaining distributed payment platform services, contributing to system architecture decisions and core process design, designing and implementing Camunda BPMN workflows for transaction processing and routing, managing real-time payment state and persistence, developing ISO 8583 message builders and routing logic for POS gateways (Elavon, Fiserv), deploying and operating services in AWS environments with load balancing and object storage, implementing monitoring and telemetry for production systems, collaborating with cross-functional teams to deliver scalable, high-availability fintech platforms, developing backend Android applications for payment devices, supporting and completing payment device certification processes.

Software Engineer

Picturae

2018 - 2022

Key Responsibilities Developed custom APIs and web systems for cultural and heritage organizations Built and maintained a Kotlin (Ktor) API for an EU-funded digital archives project (Elvis / DiSSCo) Maintained and modernized legacy PHP applications, transitioning systems to modern stacks Integrated Solr search for large-scale archival and content discovery systems Dockerized project environments to improve consistency and deployment workflows

Skills

aws

docker

kotlin

nginx

nosql

php

sql

java

english

dutch

romanian

russian

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