Duolingo French Fluency: Elementary (A1)

Google Cloud Fundamentals: Core Infrastructure

Smart Marketing with Price Psychology

I gave a speech during career days in Vytautas Magnus University. My topic was: "Think different while planning your career". I received nice feedback, people said that it was interesting and informative. During the same event I also participated in the debate on "Successfully career is possible in Lithuania - agree or disagree". I was leader of the team and we won.

Speaker

Master's degree

French language

Information Technology

Business and Applied Informatics

Bachelor of Science (B.S.)

Bachelor's degree

Rayna Tours has thousands of employees and partnerships selling many things related to tourism in United Arab Emirates and surrounding regions. Company runs at $250M/year.

Company had internal ambition to reshape technical side of it, explore how it could do better. I helped to develop processes, systemise these visions. Built tech processes, dev teams, trained & mentored, worked close with other PMs, designers and managers. Developed ways to achieve complex goals of Rayna.

Lead Project Engineer

TradeCafe was founded in 2018 and in 2024 it already has over 2000 corporate users, a multilingual team with 40+ years of trading experience, and proven proprietary technology in order to finance and fulfill over $2 billion in transactions. You can see related recommendations below.

I'm responsible for all technical infrastructure and integrations. Working directly with CTO, dev teams leads and product managers. Powerful structures of top talent from around the globe.

Technical lead for infrastructure and integrations

I've built 99% of it. AWS DynamoDb, NodeJs, EC2 at backend. ReactJs + D3 at frontend. POSIX shell script as installable Linux agent.  Multi-master 3 edges, global API centric load-balanced architecture.

Software Engineer

I built various websites & scripts, there were no apps back then. Internet was not dynamic. IE6 was new & cool back then. There was almost no JS, only later jQuery started which was pushed away by things like ReactJs. It was era when WordPress was something new too. Joomla was popular. Drupal was cool too. Most of the web was static HTML with some styles *inside* attributes. Then CSS came in and CSS2, CSS3 was all new internet. In ±2011 i built biggest local community of web developers at manualai.lt. I wrote 300+ articles on HTML, CSS & PHP. Was running major forum and hosting some small scale events. Fun, wild internet times. No facebook or youtube as we know today. mIRC instead. Times, when many didn't even believed that Internet will stay around :)

Freelancing developer. HTML, CSS, PHP, SQL.

After building startups with the best talents from Google, NASA, and other places. I landed as a CTO at Little SaaS, Inc. Had to build remote dev teams, find talent, train, deliver tech. You can see multiple recommendations below related to this experience.

Chief Technology Officer

I'm "Top Talent" at the largest freelancing site on the planet - upwork.com with 12+ million freelancers and 5+ million clients. I'm "top 10%" or better in: JavaScript, Node.js, ReactJs, MongoDB, CSS, Bootstrap.
https://www.upwork.com/freelancers/~012711048556a4a4a1

Principal Software Engineer

Only 3% of best developers from all the world manage to join Toptal. I'm one of them. https://www.toptal.com/resume/lukas-liesis 

Why 3%? https://www.toptal.com/top-3-percent

Was helping to develop backend structures at early stage of TradeCafe.com, later came back to company as technical lead for infrastructure and integrations. In 2024 platform already process over $2 billion in transactions with thousands of enterprise customers.

Challenge: Improve SEO to increase on-line sales. Remake all administration panel to make it easier to use. Teach administrators to use CMS. Make all required updates to content, layout etc.

Developer / SEO Consultant / Freelancer

I was 5th developer at Hostinger. Started when Hostinger was a company in Kaunas with couple desks in one room, when i left they already had HQs in couple countries and amazing custom built office here in Kaunas. I was working at Hostinger while it was growing to 15M+ users world wide.

Developing software (15.000.000+ users) with Zend Framework and Doctrine.
Developing internal software for users, staff members and invoices management.

Hostinger is a leading provider of free and paid hosting services, domain names, virtual private servers.

Hostinger currently holds several projects:

http://www.hosting24.com/
http://www.youhosting.com/
http://www.vps.me/
http://www.hostinger.com/

Hostinger also provides localized services to many countries. You can find the list in hostinger.com website.

I've redone and optimized main home page: http://www.hostinger.com/  Created invoice management system for internal usage. Added a lot of new futures for Hostinger's network management system.

Exploring no-code marketing world and related tech.

This is personalised marketing automation for Bubble.io, custom saas, e-com, apps. Solofounders are in my heart here.

1. Your app sends events about your users to Oisie.com 
2. On Oisie - segment user profiles, automatically send personalised emails, do integrations, view metrics.

Try for free at https://oisie.com/

Founder

Opinionated  technical tools to build saas effectively. Currently in public beta at https://client.saasly.io/ Typescript, nodejs, reactjs stack.

Challenge: make representative website for Retro Avenue cafe and teach administrator how to use an administration panel.

I've built it all. Challenge: minimize technology stack. It's fullstack livechat saas project with only one programming language - JavaScript. I use it at server, client and database. Even for most CSS. I also used material-design specification to create easy to use UI. With ReactJs I was so much more productive than with PHP's MVC style frameworks. It was pleasure to move out of PHP world. My stack for this project (reactjs+mongodb+material ui): http://stackshare.io/liesislukas/arcchat-com All done in 3 months.

ReactJs Developer

VEGE is one of the world’s largest independent suppliers of remanufactured petrol and diesel engines. I have built the website for VEGE ru. It is an official VEGE's website to represent the company for clients from Russia, Ukraine and other Russian speakers.

Cold email outreach marketing platform. Had to build a devs team, manage them, work with UI designers, work directly with CEO to build & launch the product.

Pace Revenue is founded by ex-Googler Jens Munch and NASA scientist professor John-Paul Clarke. I've done front end and specialized demos with ReactJs & redux. Check feedback from CEO of Prix and ex-Googler Jens Munch in recommendations section.

https://otelic.com/ is Logs & Traces hosting service. 

Powered by ClickHouse for fastest logs & traces search
Native OpenTelemetry for best data quality
Focused tool for best developer experience

2 decades of web tech experience. Building Otelic.com - better Logs & Traces for dev teams

Know about Lukas Liesis's work experience, education, bootcamps, certifications, and much more. Lukas Liesis