I am a Senior Software Engineer with over 7 years of experience in full-stack application development, specializing in e-commerce, fintech, and insurance industries. I have strong expertise in Java Spring Boot and Node.js/Nest.js for building scalable backend systems, along with frontend skills in Next.js, React, Angular, and Vue.js. I am passionate about delivering high-performance cloud-native applications and leading engineering teams with a focus on best practices such as Domain-Driven Design and clean architecture. Throughout my career, I have successfully designed and implemented backend microservices, real-time recommendation engines, and secure payment integrations. I am experienced with cloud platforms like AWS and Azure, container orchestration with Kubernetes, and CI/CD pipelines ensuring smooth software delivery. I enjoy collaborating across functional teams and striving for excellence in software craftsmanship and operational efficiency.

Albin Molek

I am a Senior Software Engineer with over 7 years of experience in full-stack application development, specializing in e-commerce, fintech, and insurance industries. I have strong expertise in Java Spring Boot and Node.js/Nest.js for building scalable backend systems, along with frontend skills in Next.js, React, Angular, and Vue.js. I am passionate about delivering high-performance cloud-native applications and leading engineering teams with a focus on best practices such as Domain-Driven Design and clean architecture. Throughout my career, I have successfully designed and implemented backend microservices, real-time recommendation engines, and secure payment integrations. I am experienced with cloud platforms like AWS and Azure, container orchestration with Kubernetes, and CI/CD pipelines ensuring smooth software delivery. I enjoy collaborating across functional teams and striving for excellence in software craftsmanship and operational efficiency.

Available to hire

I am a Senior Software Engineer with over 7 years of experience in full-stack application development, specializing in e-commerce, fintech, and insurance industries. I have strong expertise in Java Spring Boot and Node.js/Nest.js for building scalable backend systems, along with frontend skills in Next.js, React, Angular, and Vue.js. I am passionate about delivering high-performance cloud-native applications and leading engineering teams with a focus on best practices such as Domain-Driven Design and clean architecture.

Throughout my career, I have successfully designed and implemented backend microservices, real-time recommendation engines, and secure payment integrations. I am experienced with cloud platforms like AWS and Azure, container orchestration with Kubernetes, and CI/CD pipelines ensuring smooth software delivery. I enjoy collaborating across functional teams and striving for excellence in software craftsmanship and operational efficiency.

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Experience Level

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Expert
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Work Experience

Senior Full-Stack Engineer at SimpleNursing
June 1, 2025 - August 26, 2025
Designed backend microservices using Java Spring Boot and Nest.js to support product catalog, order, and payment workflows. Built real-time product recommendation and search services leveraging Java and ElasticSearch. Developed a dynamic Next.js and React frontend used by over 100,000 active users. Integrated payment gateways, analytics dashboards, and secure authentication APIs. Managed deployments on AWS utilizing ECS, RDS, CloudFront, and Lambda, with CI/CD pipelines based on Docker, Kubernetes, and GitHub Actions. Led a cross-functional engineering team while enforcing Domain-Driven Design, clean code principles, and comprehensive testing practices.
Full-Stack Engineer | Back-end Focus at Authologic
November 1, 2022 - August 26, 2025
Developed identity verification backend services using Java and Nest.js, supported by PostgreSQL and Redis. Created fraud detection modules integrated with OCR and biometric APIs. Designed Angular-based admin dashboards for operational monitoring. Implemented an event-driven architecture using Kafka and Redis to handle over one million verification requests daily. Enhanced platform security through OAuth2, JWT authorization, and GDPR-compliant APIs.
Software Engineer at Aviva
January 1, 2018 - August 26, 2025
Developed Java Spring-based REST APIs to facilitate insurance claims and fraud detection integration with external partners. Automated ETL pipelines for claims and customer data reporting. Supported migration of legacy workflows to Azure cloud infrastructure.

Education

B.Sc. in Computer Science at Warsaw University of Technology
January 1, 2014 - January 1, 2018

Qualifications

Oracle Certified Professional: Java SE 11 Developer
January 1, 2023 - August 26, 2025
AWS Certified Solutions Architect – Associate
January 1, 2023 - August 26, 2025
OpenJS Node.js Services Developer (JSNAD)
January 1, 2021 - August 26, 2025
Certified Kubernetes Administrator (CKA)
January 1, 2022 - August 26, 2025

Industry Experience

Retail, Financial Services, Software & Internet, Healthcare