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Baxtiyorjon Bekmuhammadov

@baxtiyorjonbekmuhamm

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I build fast, reliable payment and high-load backend systems on Java, Python, and AWS.

United States

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What I'm looking for

I'm looking for a fully remote role where I can build and simplify high-load backend systems, payments, and cloud infrastructure while leading technical delivery and mentoring engineers.

I'm building and maintaining dealer- and customer-hierarchy systems at Comtek, where I cut a heavily used API from 300ms to 150ms by improving queries, metrics, and retry handling.

Across payments and banking, I've delivered card transfers, billing, MFA-protected transactions, reporting, and booking-platform payment services. At Toptal, I removed a 20-second processing delay and improved high-traffic application performance by around 80%.

I've led a five-person engineering team at EPAM while staying hands-on with planning, code reviews, mentoring, and delivery. My work spans Java, Spring, Python, AWS, microservices, databases, messaging, CI/CD, and observability.

I also build products end to end, including Nazar, SiteFlow, and Yangi Davr—owning backend services, data pipelines, AWS infrastructure, CI/CD, and deployment.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Engineer

Current

Comtek

Oct 2022 - Present (3 years 11 months)

Build and maintain dealer-hierarchy and customer-hierarchy systems behind core business workflows. Brought a heavily-used API down from 300ms to 150ms by optimizing queries, moving metrics to EMF, and fixing retry handling.

Java AWS Lambda Fargate RDS DynamoDB Amazon SQS SNS CloudFormation Secrets Manager ALB Cloudwatch Azure CICD

Current

Backend Engineer

Current

Toptal

Jul 2022 - Present (4 years 2 months)

Tracked down and eliminated a 20-second delay in a client's processing flow by reworking the architecture. Replaced one-by-one data fetching with batch/prefetch loading, cutting response times and improving performance by around 80%.

Python Architecture Performance Optimization Batch Processing Prefetching

Senior Software Engineer

EPAM Systems

Oct 2021 - Oct 2022 (1 year)

Led a team of 5 building a document templating and sharing platform for an enterprise client. Managed staffing, mentoring, and career growth for engineers, and ran sprint planning and code reviews.

Java Spring Boot Struts 2 JSP MSSQL Team Leadership Mentorship Sprint Planning

Java Developer

Jafton

Jan 2021 - Oct 2021 (9 months)

Built the payment and calendar services for missed.com, an online booking platform with admin, creator, and client roles and plan-based billing. Worked in a microservice setup with Redis caching and a ReactJS front end on AWS.

Java Spring Framework Redis React AWS S3 EC2 RDS Microservices

Java Backend Developer

Inovia AI

Oct 2019 - Dec 2020 (1 year 2 months)

Worked on AIVA, a virtual assistant handling customer queries over chat, social, phone, and email, reducing operator workload by up to 90%. Built the social and email bot parts of the system.

Java Spring Framework Python React Kafka Elasticsearch Kibana Redis PostgreSQL Docker Kubernetes Helm

Java Backend Developer

Common Republican Processing Centre

May 2019 - Sep 2019 (4 months)

Built a monitoring system for the country's public info kiosks that flags problems, routes them to assigned technicians, and sends daily status reports.

Java Spring Framework GWT WebSockets Spring Memcached PostgreSQL

Java Developer

Smart Soft Development

Jun 2018 - Apr 2019 (10 months)

Built the backend for Aloqa Bank's mobile app, including card-to-card transfers, loan and merchant payments, with MFA on every transaction and full transaction reporting.

Java Spring Framework PostgreSQL MFA Transaction Reporting

Software Engineer

Kibera Technology

Feb 2018 - May 2018 (3 months)

Built a system to organize sporting events for the Uzbekistan Wrestling Federation.

Java Spring Rest Services Angular

Founder

Nazar

Founded and built Nazar, a competitive-intelligence platform for Uzbekistan's banks, tracking rates, campaigns, app reviews, hiring, and social signals across 50+ banks in a live dashboard refreshed every 6 hours, with AI digest and forecast features.

Backend Development Data Pipelines AWS CI CD AI Forecasting

Founder

SiteFlow

Founded and built SiteFlow, a construction-management SaaS with estimates, material tracking with FIFO costing, finance dashboards, and a Telegram Mini App for on-site crews.

Backend Development SaaS FIFO Costing Telegram Mini App AWS CI CD

Founder

Yangi Davr

Founded and built Yangi Davr, a school ERP with a parent portal, running day-to-day school operations and giving parents visibility into their child's progress.

Backend Development ERP AWS CI CD