Cosmin Rusu

Duty Ventures - Software Design and Engineering Company

I'm leading a software development agency focused on fast iterations. Most of our clients are shipping more features, responding faster to support tickets, and have accelerated growth because of us.

We focused on HealthCare a lot lately due to the accelerated digitalization in this industry. I am a strong believer that we can make healthcare more technically advanced via pure software. 

In terms of technologies, our previous projects involved Ruby on Rails, React, React Native, Scala, Java, Kubernetes, GCP, AWS (ECS, RDS, AKS), Stripe Connect, HIPAA compliance.

Some of our previous clients: 
- Spotify
- Colgate
- Go4Ellis (incl. HIPAA compliance)
- KindBody (+1 HIPAA)
- NXT Sports
- Noom (Healthcare)
- Mochila Fulfillment
- 3Step
- Mylk Guys (YCombinator)
- NLV Productions
- SH Technologies
- One Step Software (Techstars)
- Ergodic Labs
- Med Prep
- Testing Psych
- Abundance Digital
- Tookitaki

Founder & Lead software engineer

Apple

Web Answers on the Siri Experience team, working on open-ended question answering. BERT, SBERT, TensorFlow

Machine Learning Engineer

Google

Intern in Google Ads team. Developed a daily training and prediction pipeline for a machine learning model. Worked closely with the data science and development team to integrate the R model in C++.

Intern in the Google Photos team. The project involved extending the selection framework for auto-created movies based on user content and implementing three new concept movies. Exposed to: Java 8, Protocol Buffers

Software Engineering Intern

Amazon

Amazon Development Center Iasi - Robot Detection Research team
The project involved creating a linkage and score system for robotic attributes. The main challenge was the huge amount of nodes and data that had to be processed every day.
Exposed to: Hadoop, MapReduce, Machine Learning, JavaScript, NodeJs

Software Engineer Internship

Transforming Visions into AI MVPs & Products | Founder @Duty Ventures | Ex {Google, Apple and Amazon}

Hi, I’m Cosmin, the Founder and Lead Engineer of Duty Ventures. 

After some experience as a software developer in companies such as Google, Apple, and Amazon, I decided to launch my project.

With several former colleagues and college friends, we launched our own startup specializing in software development for entrepreneurs and customers needing software development services. 

Duty Ventures is all about developing software products from start to finish, thanks to the experiences we have all acquired in the past years.

One of our most successful services is aimed at entrepreneurs and early-stage founders, for whom we provide an MVP-builder service getting their product from 0 to 1 within weeks!

However, our services are not limited to that. The teams we create do much more than just create MVPs and are able to adapt to the different technologies requested, all of this in an agile way.

Our most recurrent services are the following:
- MVP creation
- Custom Software Development
- Blockchain Development
- Mobile Development
- Checkout pages
- E-Commerce

And our most used technologies are:
- Ruby on Rails
- React
- React Native
- Java
- NodeJS


If you want to learn more about how we can help you, head over to: https://dutyventures.com


Phone: (+1) 669 200 9568 / (+40) 754 973 314
Email: cosmin@dutyventures.com

Engineering Teams for Ambitious Founders | Founder @Duty Ventures | Ex {Google, Apple and Amazon}

Perhaps my biggest lesson from working more than 5 years providing Software Development Services is: don’t burn bridges. It’s hard to do it. At some point, you might not deliver as well as you used to. There are peaks, and they are valleys. We need to be able to cross both, since we only have a North Star. What’s important is the process, not the outcome. If you focus on the process, the right outcomes will naturally come.

Now back to my idea: no matter what happens with a relationship, it’s best to end it on good terms. Make sure both sides are happy after moving in completely different directions. Why? Because really, that leaves the door open for future opportunities. This happened to me! Not once, not twice, but many times. Your current project might end, but the founder will have another side project they want to pursue, or they will move to a high-growth startup that could use your expertise.

It’s easier and better to invest in current and previous relationships than to build new ones. But one needs to do both for the best outcomes.

Remote work sounds simple. Hire from anywhere. Get talent everywhere.

But here’s what nobody tells you - compliance is a minefield.

Every country has its own labor laws, tax codes, regulations. What’s fine in the US might get you flagged in Germany or India.

I’ve worked with startups scaling global teams and seen founders blindsided by fines, audits, or even payroll freezes. Usually because they tried to copy-paste a US process onto the world.

Here’s what I tell anyone building a remote team:
- Never assume the rules are the same. Research each country before you hire.
- Don’t rely on guesswork. Use proper global payroll and compliance platforms.
- If you’re unsure, talk to a local expert. A quick check can save you months of trouble.
- Pay attention to IP and confidentiality laws. These differences can bite you later.

Bottom line: remote work makes geography irrelevant for talent, but not for compliance.

Get this wrong, and small mistakes become big distractions. Get it right, and your team can focus on what matters.

Ran into compliance surprises building your team? I’d love to hear what happened and what you learned.

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Steelcase

Application Support Analyst

HYPCCCYCL

HYPCCCYCL is an invite-only, professional community where top B2B revenue leaders cross-train their GTM skills with VCs.

Member

Main Mission:
Help the company grow and sell its services to new clients

Action points:
Management of the company's social media apps, rebranding their accounts and creating new ones
Development of new posting strategies bringing over 10,000 new followers
Monitoring and analysis of new tools related to marketing and sales
Creating new sales funnels and outreach campaigns, bringing services to new customers
Managing the relationships with existing and new customers 
Collaborating with the founder on decisions related to sales and marketing
Setting up internal tools related to sales and marketing (CRM, Notion space, ...)

Business Developer

Sco Escrime

Main mission
Development of "fencing for all": underprivileged public, health sport.

Secondary missions
Conception - Implementation of communication tools: recruitment of members, notoriety, image, partnerships, sponsoring
Budget follow-up, invoicing of services

Civic service

Humeau Beaupreau SAS

Main mission
Creation of a versatility and multi-skills matrix 

Secondary missions
Updating of already existing documents 
Creation of new materials helping the company

Intern

Université d'Angers

During the two years of the University Technological Diploma.

To encourage shy students with difficulties in English to participate more actively in class.
Pronunciation exercises, oral comprehension, written comprehension, exchange in English.

Student Tutor

What if Software Project Launch Was Easier than You Thought? | Business Developer @Duty Ventures | {UA & IAE Angers Alumni}

Hey there, I'm Vlad - a marketing enthusiast with a knack for tech, gaming, and entertainment. 

Kicking off my career at a tech startup post-graduation was an awesome adventure that fueled my love for innovation and entrepreneurship.

Currently stationed in Romania, I'm on a mission to soak in new cultures while diving headfirst into the international work scene.

Passionate about exploring new cultures and driven by a love for tech, gaming, and the entertainment industry, I'm on a mission to fuse innovative ideas with global perspectives.

I'm all about embracing the learning journey to keep up with the latest trends and tech in this ever-evolving landscape.

With a multicultural background merging Romanian and French influences, I bring a unique perspective and thrive in tailoring strategies to resonate across diverse cultures and markets, forging impactful global connections.

I'm super stoked to connect with fellow enthusiasts! Let's chat, swap stories, and explore our passions.

taplio

The Battle

Cosmin Rusu

Vlad Varzaru

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The Battle

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Vlad Varzaru

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