Michal Lewandowski

AI/ML • 31 years • Warsaw, Poland • UTC+01:00 • In office, Partially remote, Fully remote • Work permits: Poland • Available in 2 weeks • from $60k per year

Java Developer

8+ years exp

2+ projects

Java

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Overview

Technical skills

Timeline

Roles

Overview

Senior Java developer with 6+ years building backend systems and microservices for an enterprise marketing platform. Led modernization work including migration from monoliths to microservices and upgrading services to Java 21, alongside AWS infrastructure provisioning with Terraform and operational monitoring with Datadog. Also served as Scrum Master and temporarily as de facto team lead for an 8-person team, including performance reviews.

Phone

Technical skills

Languages

Java

Databases

Oracle

DynamoDB

MySQL

Apache Kafka

DevOps

AWS

Amazon EC2

Terraform

Git

Datadog

Other

Spring Boot

Claude

Claude Code

Testcontainers

Kubernetes

AssertJ

WooCommerce

WordPress

Mockito

JUnit

Rest-Assured

Docker

Rest API

CI/CD

Jenkins

Timeline

Java Developer & Scrum Master • Middle

Acoustic Marketing Poland • Full-Time

Mar 2020 to Jun 2026 6 Years 3 Months In office

Developed and maintained backend microservices and REST integrations for a marketing platform, including migrating monolithic solutions toward a microservices architecture. Led client provisioning and modernization work, including improving onboarding speed significantly and refactoring key modules from older Java versions to Java 21. Managed AWS infrastructure provisioning with Terraform and supported operational monitoring using Datadog. Served as Scrum Master for an 8-person team, acting as de facto team lead during a period without a dedicated manager and conducting performance reviews.

Java

AWS

Terraform

Amazon EC2

Git

Datadog

Confluence

Claude

Claude Code

Junior Java Developer • Junior

SolDevelo • Full-Time

Nov 2019 to Jan 2020 2 Months In office

Worked in an international team to develop the backend of OpenMRS, an open-source medical platform. Contributed to Java-based backend development and data handling using MySQL as part of the system implementation.

Java

MySQL

Junior Java Developer • Junior

Finture • Full-Time

Apr 2018 to Nov 2019 1 Year 7 Months In office

Developed and maintained a backend claims-handling application for an insurance domain using Java and Spring Boot. Also contributed to extracting a microservice from an existing monolith, including implementing a CQRS-based approach for part of the system.

Java

Spring Boot

Military University of Technology

Bachelor's Degree • Computer Science

2014–2018 Warsaw, Poland