PK
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Letztes Update: 03.02.2024

Freelance Software Professional

Abschluss: nicht angegeben
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Grundkenntnisse) | finnisch (Muttersprache) | englisch (gut)

Skills

As a software development professional, with solid 10 years of experience, I have worked in different positions depending on the project, be it back end or front end or data engineering. I have a pragmatic and business domain oriented take on development.

Working with data related tasks, such as database related work, implementing data pipelines or even data visualization, has been my biggest interest for the last 5 years. I'm always keen to learn more on that field, be it new technologies or just deepening my current knowledge.
Readable, scalable and maintainable code is always my goal when writing software. I have for example helped a big bank to succeed in their big data analysis and projects related to that, I've been planning and implementing core product from scratch for a  business intelligence SaaS startup, I've helped a big European online retailer to implement technical architecture to scale their subscription based business European wide and many other kind of projects.

During the last years of project work I've used and most enjoyed working with the following technologies: Python, Java, Kotlin, Bash and TypeScript.

Projekthistorie

04/2020 - bis jetzt
Freelance Software Developer
Freelancer (Internet und Informationstechnologie, < 10 Mitarbeiter)


10/2019 - 03/2020
Technology Lead & Software Consultant
Wunderdog GmbH

Besides hands on software development I was also in charge of
helping our tech team to succeed in their projects. Being part of the
administrative team at Berlin ofVce I also took part in establishing
internal structutures to help developers to focus on their core work. I
also did recruitment, helped in sales.

Technologies: Python, Pandas, Kubernetes, Postgres

Projects:

Internal dashboard for KPIs

I was building the ETL pipeline in Python using Pandas. Pipeline
extracts various data from Google Spreadsheets, transforms data to

sufVcient format and loads it to Postgres. API written in Python using
FastAPI serves the data. The whole pipeline and the API runs in
Kubernetes.

03/2011 - 03/2020
Junior Developer/Developer
Valve Group; Oy

Working in projects ranging from small web sites to biggest web
services in Finland.
Javascript, PQP, MySCL, jCuery

09/2018 - 09/2019
Software Developer & Consultant
Wunderdog GmbH

As a software consultant I helped our client companies to succeed in
their businesses, by helping them to build best possible software to
match their needs.

Technologies that I used: TypeScript, Kubernetes, Node.js, React

Besides the client work I took a part on our own recruitment and new
business development.

Projects:

Zalando Plus

Duration: 1y 1month

Apart from feature develpment I also refactored huge chunk of their
MHP code written in JS/Flow to TypeScript using Domain Driven
Development fundamentals. The new code runs in Kubernetes . In the
end I was leading the refactoring project.

Refactoring was done on both sides of the stack Node.js and browser
side (React). In browser side we used React Hooks .

01/2015 - 09/2019
Independent Developer
Self-Employed

Qelped my client companies to build software that matches their
business needs. My clients were companies ranging from few months
old startups to big corporate companies, a Finnish bank for example.

Some of the various technologies that I used during the years: Python,
Java, Kotlin, Node.js, React, Hue.js, JavaScript, PostgreSCL, Spark, Azure,
AWS, Docker, MongoDB

Projects:

OP Financial Group - Bank

Duration: 1y 6months

API development using Java 8 and Kotlin with SpringBoot . Besides API
development I was heavily involved in building AWS infrastructure for
their Big Data Platform using ~loud Formation.

I also worked closely along with Data Scientists and helped them to set
up their work-ows on the platform.

I also refactored bunch of their transformation parts of their ETL
pipelines. Those pipelines where built in Python and PySpark . Main
database that we used was Postgres .

Custobar - Customer data & marketing automation platform

Duration: 3 8 months

I build dashboard for them that allowed their customers to see how
their marketing campaigns performed based on few key metrics. I was
mainly working in the frontend part, using Vue.js and D3 . But also did
some backend part which was written in Python using Django.




Dear Lucy - KPI/Sales dashboard startup

Duration: 1h 6kk

I was the second developer to join the team when there was only
business idea and layouts. I was working as a full stack developer,
doing Node.js backend and React frontend. We integrated to various
data sources, ~RM, accounting software and google spreadsheets. Data
was fetched via REST or SOAP and transformed the data suitable for
our needs and then displayed that data on a nice fully responsive
dashboard.

Technologies we used were Node.js, React, MongoDb and Postgres.

07/2019 - 07/2019
Developer
SON Helsinki Oy

I worked as a developer for small advertisement agency. Got used to
tight deadlines and worked in a lot of different projects from small
browser games to bigger web portals.

Tech used: Node.js, Backbone.js, MongoDb

12/2014 - 07/2019
Senior Developer
SC5 Online Oy

Software development/consulting

Tech used: Node.js, JavaScript

11/2011 - 09/2018
Co-Founder & Developer
Monday Digital Oy

I was a coUfounder of a small software company based in Qelsinki. We
consulted our client companies on their software needs. Our company
managed to establish diverse client base during the years.

I sold my shares when I moved to Berlin.

03/2014 - 06/2014
Developer
SC5 Online

Software development/consulting

Tech used: Node.js, JavaScript

Reisebereitschaft

Nur Remote verfügbar
I can travel around Berlin on a daily basis and I'm willing to work at the customer premises. Few weeks every now and then around Germany would also work, say to Hamburg, Munich etc.
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