Krzysztof Kwiecień
Verified Expert in Engineering
Software Development Developer
Krzysztof has three years of experience in Deloitte Digital as a full-stack developer, currently in a management position. During his tenure, he worked for various clients from the banking, insurance, pharmaceutical, retail industries, and public sectors. Before that, he spent two years in Accenture as both web developer and team leader, where he worked on projects regarding insurance and financial services.
Portfolio
Experience
Availability
Preferred Environment
Git, MacOS, Visual Studio Code (VS Code)
The most amazing...
...project I've worked on is introducing the client's IT team to scrum development, Angular, and Node.js, and developing an app from scratch in three months.
Work Experience
Engineering Manager
Klarna
- Managed engineering delivery in a group of three teams. Led and mentored 11 engineers, including one engineering manager.
- Led sign-in development with Klarna, Klarna Express button, and Express Checkout in all Klarna markets.
- Released the SSO product for merchants in Sweden, getting 15% of all sign-ups overnight.
- Led self-onboarding delivery for two products, focusing on the user journey for merchants and consumers, minimizing effort for the PST team.
- Slashed IT spending by 30% through savvy budgeting. Optimized operations, eliminated redundant services, halved costs, and streamlined maintenance efforts.
- Contributed to promoting three engineers to senior roles and one to a lead position.
- Led cross-domain initiatives and contributed to unifying Klarna's APIs and credentials, wrote and reviewed API change documents, prepared implementation plan,s and executed parts of them.
Engineering Manager
Deloitte
- Crafted a visionary 3-year strategy for the front-end/Salesforce developers team, aligning technical initiatives with business goals.
- Nurtured a team of seven software engineers, implementing personalized growth plans that resulted in two engineers advancing to the next level.
- Established and cultivated a thriving partnership with one of the largest clients from the US, leading to an impressive extension of our initial engagement by an additional year, with an increased team size to support the collaboration.
- Introduced a successful mentoring program, enhancing junior developers' skills and fostering a culture of continuous learning.
Full-stack Developer
Deloitte Digital
- Developed a React-web application integrated with SharePoint. Helped design and implement a dashboard, presenting detailed information regarding each funding application.
- Implemented HTML and CSS3 for desktop, tablet, and mobile with Qlik-data integration. Built an interactive tool capable of achieving the overreaching goal of aid transparency.
- Helped with the full-stack development for medical affairs and vaccines departments. Worked with Angular 7 and Node.js connected with the MySQL database.
- Developed an Angular app hosted on Azure, used to facilitate calculating the needed amount and type of tools for a particular drilling project.
- Designed a front-end architecture for a React web app, Next.js email template builder, and a platform to utilize these templates for one of the FAANG companies. Led a team of eight front-end developers on these two streams.
Rollout Consultant
BSH Hausgeräte
- Contributed to the implementation of IT solutions in the fields of WCMS, eCommerce, and customer service.
- Provided business and technical support to corporate and regional customers.
- Maintained the problem documentation and managed the knowledge library.
- Carried out on-site technical training for 30 people from many different countries.
Web Developer
Accenture
- Developed the front end of a crucial part of the CRM 360 dashboard view for users.
- Improved the client's existing front-end JavaScript framework.
- Developed a platform that connects insurance companies, garages, and vehicle owners. The app suggested cheaper replacement parts for users.
Experience
Dashboard for Investment Banking Clients
React with Redux and TypeScript were used to speed up the development and create a library of reusable components that the client might use to extend the app.
First Point of Contact App for a Manufacturing Sector Client
Intranet for a Consulting Company
Website for a Medical Clinic in Poland
The website includes pages for all the clinic's services, doctors who work there, and other various data essential to the patients. The traffic has increased by 15% since the new website was introduced.
Skillset
Languages
JavaScript, HTML, CSS, TypeScript, SCSS, JavaScript 6, GraphQL
Frameworks
AngularJS, Angular, Jakarta Server Pages (JSP), Spring Boot, Redux, Express.js
Libraries/APIs
React, Node.js, RxJS
Tools
Git, Jira, Confluence, Webpack, Jenkins
Other
Software Development, Front-end, Software Design, Software Architecture, eCommerce, Recruiting, Engineering Management, Back-end, Software Evaluation, Gatsby, Frameworks, Delivery Management, System Design
Paradigms
Agile Project Management, E2E Testing, Testing
Platforms
Amazon Web Services (AWS), MacOS, Salesforce, Azure, Visual Studio Code (VS Code), Docker
Storage
PostgreSQL, Microsoft SQL Server
Industry Expertise
Project Management
Education
Bachelor's Degree in Computer Science
Warsaw University of Technology - Warsaw, Poland
Certifications
AWS Certified Cloud Practitioner
Amazon Web Services
Agile Project Management Foundation
APMG International
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