Khvastov Maksym

SUMMARY

Backend Engineer with 10+ years of experience designing and delivering enterprise software systems, now specializing in AWS cloud-native and serverless architecture. Hands-on with event-driven design, infrastructure as code, and serverless workflows through independently built and deployed projects. Brings a strong foundation in data modelling, API design, and full-cycle technical ownership.

SKILLS

PROJECTS

SecureDocs | Automated Multi-Stage Document Validation

AWS CDK, Step Functions, Bedrock, Comprehend, Lambda, DynamoDB

• A serverless document validation workflow built on Step Functions automates multi-stage screening with AI-powered PII/content analysis via Comprehend and Bedrock
• Metadata-driven IAM access controls and immutable audit logging using Amazon DynamoDB and Amazon S3 Object Lock (WORM)

LorentzClick | Serverless Link Shortener

AWS (Lambda, DynamoDB, SQS, API Gateway, Cognito), Terraform, GitHub Actions

• An event-driven redirect pipeline uses async SQS processing to minimize latency and decouple analytics from metadata updates
• Automated data lifecycle management (DynamoDB TTL, scope-aware deduplication) cut storage footprint, with full IaC deployment via Terraform/GitHub Actions

Beadword | Daily Word Puzzle Game - live at beadword.link

AWS Serverless (Lambda, DynamoDB, API Gateway, CloudFront)

AIMages | Event-Driven Media Processing Gallery - live at aimag.es

AWS Step Functions, Lambda, DynamoDB, EventBridge, S3, CloudFront

PROFESSIONAL EXPERIENCE

Software Engineer | soft Xpansion Ukraine 2008 - present

Full-cycle backend engineer on a large-scale enterprise document management and workflow automation platform serving 6,000+ employees across 50+ subsidiaries. Solely responsible for end-to-end delivery of HR automationservices — from data modelling and business process design through implementation, integration, and support.

• Designed and delivered a company-wide leave planning system, replacing a manual paper-based process with web portal, mobile app, and self-service kiosk access
• Built an organisation-wide employee performance review workflow, used across thousands of employees
• Delivered end-to-end recruitment and onboarding automation, streamlining the full candidate-to-employee lifecycle
• Designed 15+ additional HR and document management workflows end-to-end - schema design, business process modelling, UI, integrations, and deployment, combining K2 process configuration, SmartObjects-based business logic, and C# service and integration layer
• Designed SQL Server data models per domain, maintaining shared schemas across related process families and integrating with internal ERP and external REST/SOAP services
• Partnered with cross-functional teams, stakeholders, and business analysts to translate requirements into technical solutions and align data/API contracts across platform domains

CERTIFICATIONS

EDUCATION

Donetsk National University, Department of Computer Technologies, Ukraine
Specialist degree in Intelligent Decision-Making Systems, 2011