Senior Java & Cloud Platform Lead Engineer

YULIIA MAKARCHUK

NORTHBROOK, IL +1-224-***-**** **********@*****.*** linkedin.com/in/yuliia-makarchuk-ba51135 SUMMARY

Lead Software Engineer with 16+ years’ of experience building and owning high-scale systems, primarily in the Java and AWS ecosystems. Delivering true end-to-end ownership: from partnering with product teams to shape requirements, to designing resilient architectures and ensuring systems’ stability and observability in production. Whether launching a startup MVP or modernizing an enterprise platform, my focus remains on building clean, secure, and cost-effective solutions that deliver real customer impact.

WORK EXPERIENCE

GlobalLogic (Client: Stellantis, EU)Cracow, Poland Lead Software Engineer Dec 2023 – Sep 2025

● Designed and implemented the TeamCity DSL library for 600+ pipelines, eliminating manual steps and accelerating CI/CD.

● Developed scalable EC2-based compute orchestration platform reducing CI pipeline time by 90%.

● Introduced AI-assisted engineering tools and SDLC standards, leveraging DORA metrics to improve code quality and release speed.

● Led STRIDE threat modeling and drove remediation of identified security risks. Technologies: Kotlin, Java 17, Python, TeamCity DSL, AWS, Maven GlobalLogic (Client: Raiffeisenbank, EU)Cracow, Poland Cloud Migration Architect Jan 2022 – Nov 2023

● Led cloud architecture strategy and hands-on migration of 20+ legacy systems to AWS, designing secure, highly available infrastructure using Terraform and AWS native services.

● Supervised migration of Oracle databases to PostgreSQL on AWS using AWS DMS and Schema Conversion Tool, optimizing schemas and queries for performance.

● Coordinated 6 vendors and distributed internal teams to ensure secure, compliant, on-time delivery.

● Created mentoring programs and standards, reducing post-release issues by 20%.

● Saved $5,000/month via AWS cost saving initiatives.

● Architected secure AWS infrastructure ensuring data protection, compliance, and operational resilience. Technologies: AWS, Terraform, Terragrunt, Java, .Net Intellias (Client: Elevate.io, USA)Lviv, Ukraine

Lead Software Engineer Mar 2021 – Jan 2022

● Implemented ACH settlement integration between POS systems (Fiserv via jPOS) and UBS Bank, developing a reusable financial file processing library.

● Led hands-on development of Java microservices & Temporal.io workflows for a fintech healthcare platform (5 scrum teams).

● Architected scalable microservices by translating complex requirements through close collaboration with technical leads and clients.

● Established SDLC and architecture standards, improving team productivity 50%.

● Launched the first production version 1 week ahead of schedule. Technologies: Java 15, Spring Boot Cloud, Microservice Architecture, Temporal.io, AWS, Postgres DB, Kubernetes, Gradle Movebubble (GB, 15 employee startup)Lviv, Ukraine

Senior Software Engineer Aug 2019 – Dec 2020

● Built a microservices-based real estate rental platform featuring instant property viewing, in-app video tours, chat, and advanced search.

● Built asynchronous data pipelines with RabbitMQ for data ingestion, enhancement and indexing improving data processing speed by 50%.

● Led production support, performing deep root-cause analysis and implementing long-term fixes to improve reliability and resiliency.

Technologies: Java 11, Spring Boot, Microservice Architecture, React, AWS, MongoDB, Postgres DB, Elasticsearch, RabbitMQ, Redis, Kubernetes

NiX (Client: OVO Energy, GB)Lviv, Ukraine

Lead Software Engineer Jan 2018 – Jul 2019

● Managed full-stack development team for a smart home B2C platform, delivering energy management, device integration, and quantum heater services.

● Refactored legacy monolithic applications into scalable microservices, improving maintainability and system performance.

● Acted as Scrum Master, implementing Agile processes, mentoring engineers, and driving cross-team collaboration.

● Built CI/CD pipelines and AWS infrastructure-as-code (Terraform, CloudFormation), accelerating MVP delivery and shortening development time.

Technologies: Scala, Akka, Microservice Architecture, Docker, Kafka, DynamoDB, React, GCP, AWS, Terraform NiX (Client: Vable, GB, 15 employee startup)Lviv, Ukraine Senior Software Engineer Aug 2016 – Jan 2018

● Engineered scalable, event-driven B2B platform for judiciary clients, with advanced search, content indexing, and automated notification pipelines.

● Developed core microservices modules (access control, logging, auditing, monitoring) and optimized performance with asynchronous workflows, caching, and database indexing. Technologies: Java 8, Spring Boot, Microservice Architecture, Python, AWS, MongoDB, Elasticsearch, RabbitMQ, MySQL, Redis, Swarm

Other Experience Lviv, Ukraine

Software Engineer Aug 2008 – May 2013

● Developed and integrated web/data processing platforms for gambling, government, telecom clients.

● Progressed from junior developer to team lead, completing multiple successful projects. Technologies: Java, JRuby on Rails, Oracle ESB/SOA Suite, SOAP/REST, XQuery, XPath, Oracle, MySQL, PostgreSQL SKILLS

Programming Languages: Java 8-17, Kotlin, Python, Scala Frameworks & Libraries: Spring Boot, Spring Cloud, Hibernate, JPA, Akka, Temporal.io, Mockito, JUnit, TestNG, React, Angular, Node.js, Liquibase, Consul, Eureka, Vault, Stripe, Here/Google Maps, FFmpeg, Sendgrid, Mandrill Cloud Platforms & Infrastructure: AWS (EC2, Lambda, ECS, EKS, S3, EFS, FSx, RDS, DynamoDB, Cognito, KMS, Security Hub, Route 53, SQS, SNS, Kinesis, Firehose, API Gateway, CloudWatch, Cloud Trail, CodeCommit, Build Pipelines, ECR, AMI Release Factory, Billing, OpenSearch), GCP,

DevOps & CI/CD: Jenkins, TeamCity, GitHub Actions, CircleCI, Maven, Gradle, Helm, Terraform, Terragrunt Containerization & Orchestration: Kubernetes, Docker, Swarm, Ansible Databases & Storage: PostgreSQL, MySQL, MongoDB, Redis, Memcache, Elasticsearch, BigQuery Messaging & Streaming: Kafka, RabbitMQ

Tools & Technologies: Microservices Architecture, RESTful APIs, Event-Driven Systems, IaC, Distributed Systems, Observability (ELK, Grafana, Kibana, Prometheus), Testing (TDD, BDD, E2E), Artifactory, Cast, Flexera, LDAP, AD, SonarQube, Twilio, Redash

Methodologies & Practices: Agile (Scrum, Kanban), SDLC, CI/CD, Code Reviews, TDD EDUCATION

IVAN FRANKO NATIONAL UNIVERSITY OF LVIV Lviv, Ukraine Bachelor of Science in Computer Science and Applied Mathematics Sep 2000 - Jul 2005 Bachelor of Science in Economics Sep 2005 - Jul 2007 WORK AUTHORIZATION

Authorized to work for any US employer; does not require sponsorship. EAD (implied by L-2A, valid until Apr 2028), Green Card petition in progress.

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