HubMub
-
Bondex

Back-End Software Engineer , DeFi wallet(Paris)

Bondex
France · Full-time · Director
Candidate requirements

These are the minimum requirements a candidate must meet to be considered for this role.

  • Experience working with Blockchain technologies (EVM or non-EVM chains, and defi protocols)
  • You have at least one year of experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices
  • You have experience building and shipping highly-available, fault tolerant, production ready distributed backend systems
  • You know how blockchain systems work, and preferably, you worked closely with at least one
  • You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring
  • You inspire other engineers to do better
  • Understanding of data structures, databases and large-scale distributed systems
  • Preferably exposure to technologies such as Kafka, PostgreSQL, Redis, RabbitMQ
  • You are customer focused and continuously suggest how the backend can provide the best Customer Experience
  • A passion for crypto and the transformations it enables
  • We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more

Job responsibilities

  • Be at the forefront of the cryptocurrency ecosystem building out new distributed software to handle our rapidly growing user base of 75M+ wallets to reach 1B+ customers
  • Become a key member of a dedicated engineering team committed to rapidly shipping, and iterating on products that directly impact millions of users
  • Advocate best practices, code quality, test coverage and drive technical discussions
  • Build scalable services with Kotlin, and deal with problems like synchronization, asynchronous operations, database optimisations, scalability and reliability of systems
  • Gain exposure to an array of technologies such as Kafka, PostgreSQL, Redis, Docker etc
  • Optimise existing systems for scalability, extensibility and performance whilst building out reusable, modular code for use across Blockchain's products
  • Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data
  • Work within interdisciplinary teams to continually deliver the highest quality software to our users

Key Skills

Ranked by relevance

postgresql kotlin redis kafka blockchain data structures cryptocurrency grafana datadog docker scala java jvm
Login to Apply
🇫🇷

Country Guide

France

Large economy with strong startup and AI ecosystem

Posted
Feb 22, 2025
Type
Full-time
Level
Director
Location
Paris
Company
Bondex

Industries

Mobile Computing Software Products

Categories

Engineering Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
TRIBBU
Related

Principal Android Developer

2026-03-23

Full-time
Entry
Spain
Mobile Computing Software Products
Engineering
View Job Details
Knowunity
Related

AI Engineer

2026-02-09

Full-time
Entry
Germany
Mobile Computing Software Products
Engineering
View Job Details
Loop
Related

Software Engineer, Full-Stack

2026-05-24

Full-time
Mid-Senior
United States
Construction
Engineering