Resume

Technical Lead
Since Dec 2022

• Hands-on development as well as technical leadership
• Leading a team of 5 developers (3 backend, 2 frontend)
• Helping team members to grow and improve their skills
• Guiding team members to make technical decisions and find solutions
• Working closely with product management and other stakeholders to define and refine requirements
• Working closely with other teams to align on technical solutions and interfaces
• Working closely with the CTO and principal engineer(s) to define and refine the technical roadmap

Senior Backend Developer

• Developing and improving new and existing reactive style micro-services
• Reducing technical debt and improving code quality

Technologies, tools and concepts involved:

• Java, Vert.x, Kafka
• AWS DynamoDB, AWS Fargate, ECS, CloudWatch
• GitLab, GitLab CI, Docker
• Reactive Systems, REST, Swagger
• SCRUM, JIRA, Confluence

Interim Chief Technology Officer

• Take over status-co of the system from previous CTO
• Plan, specify and co-implement minor fixes and features in the time between take over and transfer of company into new ownership
• Participation and input in future architectural discussions with new ownership architects

Technologies, tools and concepts involved:

• Java, Spring, RESTful Services
• GitLab CI/CD, Docker, Traefik

Senior Software Engineer

• Developing and improving new and existing reactive style micro-services with very low latency (40ms end-to-end going through multiple services)
• Contributed code to Open Source projects in interest of and supported by company

Technologies, tools and concepts involved:

• Java, Vert.x, NATS, MongoDB
• Reactive Systems
• Docker, AWS, Traefik, Nomad, Consul
• OpenAPI, REST

Senior Software Engineer

• Worked on multiple external projects
• Participated in decisions regarding architectural and technological choices
• Developed micro-services and backends
• Setup test and deployment pipelines for developed components

Technologies, tools and concepts involved:

• Domain Driven Design, Reactive Systems
• Java, Spring, Spring Boot, Spring Cloud, Kafka, Spring Cloud Contract, OpenAPI/Swagger
• Docker, Kubernetes, Helm, AWS, Azure, Jenkins
• Kanban, SCRUM, JIRA, Confluence

Senior IT Consultant

• Worked as external member with different teams
• Consulted teams on deciding and choosing proper solutions for their projects
• Also developed together with external teams on their projects

Technologies, tools and concepts involved:

• Java, JavaEE, JSF, JavaScript, REST
• Git, SVN, Jenkins
• SCRUM, Kanban, JIRA, Confluence

CTO, Co-founder

• Led a team of 4 developers, building an online platform's backend and its 3 clients
• In contact with stakeholders, harvested the requirements and identified system's needs
• Designed structure of the system, its internal and public APIs and components as multiple micro-services
• Developed backend micro-services actively as part of the team
• Set up the test and delivery pipelines (CI/CD) for backend and clients
• Took measures including code review, pair programming and similar to improve and maintain code quality

Technologies, tools and concepts involved:

• Domain Driven Design, Reactive Systems, REST, Swagger
• Java, Vert.x, JavaEE, JAX-RS
• GitLab, GitLab CI, Docker, AWS
• SCRUM, JIRA, Confluence
• Postgres, OrientDB, MongoDB, Elasticsearch

Technical Team Lead

• Led technical aspect of a project building a support system for Emporia feature phones enabling remote management and assistance using external clients
• System allowed managing calendar entries, clock alarms, Geo fencing and live localisation of feature phone from a tablet or smart phone as well as receiving alarm in case of an emergency detection on feature phone
• Extracting system requirements and technical specifications based on stakeholders' expectation
• Defined and documented the public API and SLA of the system based on requirement
• Synchronised and was the contact point of two external teams and one internal team involved in the project building backend, 2 smart phone clients and 1 tablet client
• Verified the deliveries, did functional and load testing of deliveries by writing automated acceptance tests and delegating manual testing tasks to internal testing team

Technologies, tools and concepts involved:

• JavaEE, JAX-RS, MySql, Cordova, Apache JMeter
• JIRA, Confluence

Co-founder, Developer

• Developed various web and desktop applications as contractor
• Identified customer requirements in direct contact with them

Technologies, tools and concepts involved:

• Delphi, PHP, C#, MySql, JavaScript

Developed an Eclipse plugin as part of bachelor degree thesis “Feature-based Change Tracking in a Feature- oriented Software Development System”

Developed both software and hardware for bachelor degree thesis “Tracking non-GEO-synchronous satellites and setting communicator device”

I published the source of application (named MaxTrack) as can be found under portfolio page.