Requirements

Expected technologies

Java

Spring Framework

SQL

Git

Jira

Confluence

Optional technologies

Kotlin

Cloud

DevOps

Python

Node.js

Operating system

Linux

Our requirements

• Minimum 5 years of professional experience as a Java Backend Developer
• Very good knowledge of Spring Framework, REST API, SQL
• Knowledge of NoSQL, Messaging and Caching Systems
• Knowledge of authn/z protocols and frameworks
• Knowledge of the Linux environment
• B.Sc. or M.Sc. degree in: preferably computer science, telecommunication, other STEM field
• Excellent problem-solving and critical thinking skills
• Ability to write clean and high quality code
• Good English and Polish - communication level

Optional

• Kotlin in backend
• Experience in Cloud and DevOps technologies
• Experience with mobile payments
• Knowledge of frontend technologies
• Knowledge of other backend technologies based on Python, Node.js
• Knowledge of mobile security and cryptography topics
• Familiar with data protection best practices
• Familiarity with various Digital ID related specifications and technologies (e.g.: OID4VC, ISO mDL, FIDO)
• Familiarity with decentralized technologies

Your responsibilities

• Developing and maintaining new and existing services and apps
• Support commercialization phase of Wallet App for EU region
• Participate in code reviews and contribute to the development of software engineering best practices
• Supporting full software development lifecycle of solution backend
• Participate in international meetings
• Research about innovative Digital Identity / authentication solutions
• Development of backend for PoC and commercial Digital ID solutions
• Implement and maintain security and data protection measures