Careers – Internship R&D Blockchain

Job Description

Do you want to become part of an early-stage startup adventure within an experienced and highly motivated team and have a meaningful impact in the financial services Industry?

You are a fast learner, with an entrepreneurial mindset and a technological and digital appetite?

If yes, then we have a great opportunity for you!

WeeFin is a young, innovative FinTech (Company that aims at providing financial services by making use of software and modern technology) founded by 3 seasoned finance professionals with strong Big 4 experience in risk & analytics, regulation and innovative technology.

WeeFin has a real disruptive project: Compete against traditional Bank models by fostering alternative finance and turning it into a driver for sustainable development.

WeeFin values people, hard work and good ideas. Everyone in the company puts the hands on to get the wins. But the team always finds time to celebrate.

With two complementary services -a consulting service advising finance top players and a R&D Lab leveraging on new technologies- WeeFin has a unique & disruptive positioning amongst other Fintech.

By joining WeeFin, you won’t be an intern among hundreds: you will be given real responsibilities that will let you put everything you’ve learned immediately into practice.

Principal Mission

You will be joining the R&D team to help us building our finance decentralized platform & will be responsible of the development of the blockchain technology in the platform. Your mission will cover:

  • Blockchain Development, testing, release, support and maintenance of our internal Dapp (Decentralized Application)
  • Delivering strategic technical solutions to match business requirements and project life cycle deliverables using various techniques and tools (Big Data analytics, Machine Learning etc…)


You have a Bachelor’s degree in computer science or computer engineering, with strong skills writing maintainable and scalable code.

You are able to take on responsibilities and meet with your commitment. You have a passion for Blockchain and decentralized tech and for building great products.

You have a market finance background or are keen on learning cutting edge business practices.

Preferred qualifications and competencies

You have strong knowledge in computer languages such as Java, C++, Golang, Rust. Knowledge in functional language is desirable. Knowledge in Solidity (language for smart contract), Python or Javascript are welcomed.

You understand the concept of decentralized platform such as Ethereum and  the principles of blockchain. You have some experiences with blockchain frameworks such as Hyperledger, Ethereum, Coda, Neo, …).

Knowledge in  software development best practices and project lifecycle (Continuous Integration/Continuous Development) is desirable.

You have experience in Cloud application design (AWS preferred) from a DevOps perspective. You have interest in Big Data technology.

Excellent analytical, communication, organizational and problem-solving skills coupled with a strong work ethic.

You have a market finance background or are keen on learning cutting edge business practices. You have high interest in crypto-currency and the transformative impact it has in the economy.

You are an effective communicator and you like to have a wide degree of creativity and latitude.

“The best way to learn swimming is to jump into the Lake”

Join us on this challenging adventure, we will give you a host of real-life experience that will be hard to get in a brand-name company. We will give you the confidence to know you can take on a new project and run with it. We will give you ownership, we will help you make an impact!

Job details

Location: Neuilly-Sur-Seine, Ile-de-France

Contract: Internship

Reference: Job-2017-Internship-RD-Blockchain

Interested? Join Us!