Senior Software Engineer / Tech Lead
Poznańska 16, Warszawa
L2BEAT
L2BEAT is a public goods company dedicated to providing onchain transparency.
What sets us apart is our commitment to delivering accurate and reliable information. We are an impartial and independent watchdog that delivers data and tools for our community to educate themselves, transact securely, and make well-informed decisions.
We’re looking for a person to lead a small team of engineers and develop new functionalities and solutions that will further our mission.
Key Responsibilities
Adding new functionality to l2beat.com (some frontend work, but mainly analysing and processing blockchain data on the backend) and leading a small team of engineers.
Implementing integrations with various blockchain systems (APIs, explorers, L2s, bridges, tokens, etc.)
Ensuring smooth operations of our deployments
Technical requirements
Excellent problem solving skills
Practical understanding of system design beyond CRUD applications
Components (client apps, backend services, etc)
Data modeling
Infrastructure (different models: docker, bare metal, server-less, cloud)
Data storage (file, RDS, NoSQL, redis etc.)
Logging and monitoring (incl. distributed systems)
TypeScript/Node.js proficiency mainly in backend but also on the frontend side
Experience with database schema design and query optimisation
Monitoring and observability experience
A Comp-Sci degree or a degree in a related field
Minimum of 5 years of professional experience
The solution to every problem is not another JS library
Experience with the EVM and smart contracts will be an additional asset
Non-technical qualities
Proficiency with the English language both in spoken and written form
Open-mindedness; L2BEAT’s setup is quite unusual and we rely a lot on technologies developed in house
Focus on the bigger picture and critical thinking when tackling abstract problems
Mentoring skills to foster young talents
Proactivity and willingness to ask questions
You are based in Europe and work in the CET/CEST time zone
Our technology stack
Typescript
Node.js
PostgreSQL
React
A lot of in house tooling built around gathering and analysing blockchain data
We Offer
Competitive salary
Paid time off
Opportunity to work alongside experienced Ethereum engineers
Work on open-source projects
Regular knowledge sharing meetings
Elastic working hours
Travel, conferences, off-sites, and integration events
Fully remote work (we can sponsor a coworking desk)
Join us!
To apply please send your CV via JustJoin or to work@l2beat.com. We’ll reach out to discuss the opportunities available at L2BEAT.
Senior Software Engineer / Tech Lead
Senior Software Engineer / Tech Lead
Poznańska 16, Warszawa
L2BEAT