Anton

Personal Info
Anton Kuleshov
ak
Location
Senior Software Engineer Kharkiv, Ukraine
Open to remote

Summary Phone
[відкрити контакти](див. вище в блоці «контактна інформація»)
Senior Software Engineer with 9+ years of experience building and maintaining full-stack
web applications, primarily in PHP and Symfony. Currently a core engineer on a large E-mail

property-management platform, where I built a RabbitMQ-based notification microservice [відкрити контакти](див. вище в блоці «контактна інформація»)

from scratch, drove part of the monolith-to-microservices split and delivered bank / payment GitHub
integrations. Experienced across fuel retail, government and property-management domains github.com/antonkuleshov
in REST API design, high-load optimization and legacy modernization. Comfortable owning
LinkedIn
features end to end on the backend (Symfony, RabbitMQ, Elasticsearch, PostgreSQL) and the
[відкрити контакти](див. вище в блоці «контактна інформація»)
frontend (React, TypeScript). Fully effective in remote, distributed teams.
ov8

Experience Skills
2024-08 - Senior Software Engineer PHP / Symfony
Present Efumo SSC — RNP (Rīgas namu pārvaldnieks) platform
REST API / Microservices
Core backend engineer on the RNP ecosystem — the property-management platform of
Riga's largest residential housing manager (hundreds of thousands of apartments). A large RabbitMQ / Symfony
Messenger
PHP / Symfony monolith being decomposed into microservices, with a tenant self-service
portal and dozens of external integrations. Elasticsearch
• Built the platform's notification microservice from scratch (Symfony 7, RabbitMQ,
PostgreSQL / MySQL
Symfony Messenger, PostgreSQL) — worker containers with retry / back-off and dead-
Doctrine ORM
letter queues, REST API and monitoring. Primary contributor (~400 commits); it handles
all email, SMS, push and feed messaging with a ≤ 15-second SMS delivery target. Docker / GitLab CI/CD

• Designed the mass-distribution subsystem for tenant campaigns: recipient trees, categories, PHPUnit / PHPStan
templates, scheduled publishing, live progress tracking and stop / resume. Tuned consumer
SOAP / XML integrations
throughput (~1,200 messages/min per consumer) and led incident response for large
mailings. JavaScript / TypeScript

• Migrated all outbound email / SMS / push from the monolith and the tenant portal to the React / Node.js
new microservice, replacing scattered legacy senders behind a single API. HTML / CSS
• Delivered bank and payment integrations in the monolith — SEB, Swedbank (Swedbank
Git
Gateway / SOAP, e-invoice XML / XSD, payment-order PDF parsing), Luminor and
Citadele: statement import, backfill / retry jobs and recovery after production data
Languages
incidents.

• Developed features for the e-RNP tenant self-service portal (~190 commits): two-factor Ukrainian: Native

authentication with mandatory phone confirmation, contact-data management, cost- English: B1 (Intermediate)

estimate and document views, mobile layout.
• Added LDAP / Active Directory authentication, migrated core tables from MyISAM to Convert
InnoDB, and contributed API / BFF routes to the new Next.js frontend. To Pdf
• Helped shape the monolith-to-microservices roadmap (notifications, invoicing, call centre)
and owned the notifications domain end to end.
Also at Efumo: backend and admin panel for a fuel-provider mobile application (Symfony 7);
a sanction-management system for a government organization (Symfony 7).

Experience (continued)
2023-04 - Software Engineer (Freelance / Contract)
2024-08 Self-employed — Remote
• Delivered backend features, REST integrations and bug fixes for several clients
(PHP, Symfony), including modernization of legacy applications.

2022-04 - Senior Software Engineer
2023-04 Agile Fuel
• Developed new features and business logic for a retail platform API (Symfony
5, PHP 8.2), reducing response and page-load times through profiling and query
optimization.
• Built frontend features for the retail platform (React, TypeScript) and its admin
system (ExtJS).

2019-04 - Full-Stack Developer
2022-03 Rational-Soft
• Built a retail analytics platform from scratch (Symfony 5, DevExtreme / React
components) and a lead-collection system aggregating leads from multiple
external sources, covered with unit tests.

• Maintained and optimized a trade-in portal for a car dealer network;
implemented e-signature for document uploads (Symfony 3, jQuery, Twig).
Contributed to 4–6 parallel projects overall (Symfony, Nest.js, React).

2018-05 - Full-Stack Developer
2018-12 Fluvius
• Optimized a legacy Facebook ads/accounting system (native PHP, jQuery,
AngularJS) and built a promotional portal end to end (Symfony 4, jQuery,
Webpack).

• Reworked a CRM system for an outsourcing company as part of an
international team, integrating external APIs (Symfony 3, jQuery).

2016-09 - PHP Developer
2018-05 PJSC "Ukrzaliznytsia", IT department
• Migrated a train seat-availability platform to a new codebase and database
(PHP, JS); built internal reporting systems generating XML data from an Oracle
database.
• Developed an internal inter-department notes system with search and admin
management (Symfony 2, SonataAdmin).

2009-10 - Support Specialist
2016-08 PJSC "Ukrzaliznytsia"
Technical support for automated railway systems: log analysis, XML data checks
and monitoring of information reports.

Education
2015-09 - Kharkiv National University of Radio Electronics
2016-10 Specialist, Software Engineering
2003-09 - Kharkiv State Academy of Railway Transport
2008-05 Master, Organization of Transportation and Management