Damian Ś. - CTO

Go to Website

Munich, Germany

Experience

Aug 2022 - Present

3 years 5 months

Munich, Germany

CTO

FRATCH.IO

Managed end-to-end product development, overseeing the successful delivery of technical solutions.
Led and mentored a team of highly specialised technical professionals, fostering a culture of collaboration and innovation.
Oversaw the hiring process to build a talented and dedicated team.
Built a scalable and robust backend microservices system from scratch, designing and extending it to meet evolving business needs.
Ensured the system's high availability with a 99.99% up time, implementing resilient architecture and monitoring mechanisms.
Developed and implemented technical strategies, aligning them with business goals and objectives.
Skills: Strategic Thinking, Project Management, Team Management, Kotlin, Java, Python, SQL, Spring Boot, PostgreSQL, Docker, Kubernetes, DevOps, System Architecture.

May 2022 - Jul 2023

1 year 3 months

Zürich, Switzerland

Software Engineer

UBS

Developed and extended the core system for credit risk calculation.
Collaborated with cross-functional teams to implement robust solutions.
Implemented scalable data processing mechanisms for efficient handling of data.
Conducted thorough testing and debugging to ensure accurate calculations.
Optimised code performance and identified areas for improvements.
Maintained system stability and reliability.
Stayed updated with industry best practices for credit risk calculation.
Skills: Java, SQL, PL/SQL, Oracle DB, Linux, Big Data, Back-End Development, DevOps, System Architecture.

Sep 2021 - Feb 2022

6 months

Software Engineer

SEBA Bank AG

Developed frontend and reactive backend applications.
Designed, implemented, and tested a high-traffic, asynchronous big data system.
Optimized code for performance and efficiency.
Built data pipelines for processing large datasets.
Integrated RabbitMQ for efficient message queuing.
Created responsive frontend interfaces using Angular and TypeScript.
Employed Docker for easy deployment and scalability.
Implemented automated testing with Testcontainers.
Utilized Prometheus, Grafana, and Kibana for system monitoring.
Skills: Java, Kotlin, Spring Boot, REST, Big Data, PostgreSQL, SQL, TimescaleDB, TypeScript, Angular, DevOps, RabbitMQ, Docker, Reactive Programming, Functional Programming, System Architecture, Grafana, TDD.

Apr 2021 - Aug 2021

5 months

Java Developer

Decerto

Improved the company's core product, "Hyperon," a tool for managing business rules.
Implemented multithreading algorithms to enhance performance and efficiency.
Resolved bugs and addressed performance issues to ensure product stability.
Collaborated with teams to understand user requirements and deliver effective solutions.
Conducted rigorous testing and debugging to ensure high-quality code.
Participated in code reviews to provide feedback and foster continuous improvement.
Skills: Java, Spring Boot, SQL, PostgreSQL, Back-End Development, Maven, DevOps, Docker, Front-End Development.

Jun 2019 - Jan 2020

8 months

Wrocław, Poland

Software Engineer Intern

Capgemini

Developed frontend and backend applications.
Implemented automation solutions to streamline processes and improve efficiency.
Collaborated with cross-functional teams to understand requirements and deliver robust technical solutions.
Skills: Java, JavaScript, Spring Boot, Back-End Web Development, Angular, Docker, Front-End Development.

Jun 2018 - May 2019

1 year

Wrocław, Poland

Software Engineer Intern

Axis Data

Developing high traffic microservice backend system.
Debugging and testing microservices.
Creating, managing and monitoring Kubernetes pods.
Skills: Java 11, Dropwizard, Spring Boot, NoSQL, Redis, Docker, Kubernetes, Protobuf.

Jul 2017 - May 2019

1 year 11 months

Wrocław, Poland

Junior Software Engineer Intern

Axis Data

Developed a high-traffic microservice backend system.
Designed and implemented scalable solutions for horizontal scaling, ensuring efficient handling of increased traffic.
Profiled, debugged, and tested core JVM applications to identify and resolve bottlenecks.
Optimized memory usage to enhance overall system efficiency and stability.
Implemented caching solutions to improve response times and reduce database load.
Created, managed, and monitored Kubernetes pods, jobs, and cronjobs.
Actively participated in code reviews, providing feedback and suggestions for continuous improvements.
Skills: Java, Spring Boot, Big Data, Redis, SQL, NoSql, Microservices, Kubernetes, DevOps, Docker, System Architecture.

Summary

I'm an experienced software engineer, architect and technical lead with a proven track record of delivering exceptional solutions across diverse industries, particularly in the financial sector.

Over the years, I have honed my skills as a contractor, collaborating on mission-critical projects that demand precision and innovation.