Requirements

Expected technologies

SQL

Microsoft SQL Server

Android

Git

Jenkins

RxJava

Room

Dagger2

Jira

Confluence

Kotlin

Optional technologies

Java

C

C++

Python

HTTP

HTTPS

Operating system

Windows

Linux

Our requirements

• Good knowledge of Kotlin (primary language)
• Cryptography: understanding of cryptographic concepts, algorithms, standards, strength and weaknesses of various implementations. Experience with cryptography libraries such as OpenSSL, CryptoPP, Botan etc.
• Networking :TCP/IP, Eth framing, SSL/TLS, HTTP/HTTPS, VPNs. Experience in Wireshark for network analysis.
• Databases : SQL preferably MS-SQL, DB administration
• Good understanding of common software design patterns and Android design patterns
• Knowledge of Android API capabilities of different versions
• Understanding of Android framework components and their lifecycles
• Experience with source control system Git/Jenkins
• Ability to decompose a complex task, design solution and implement it
• Out Android app stack: RxJava, Room, Dagger2
• Experience in Jira, Confluence, bug tracking systems

Optional

• Knowledge of Java
• Base knowledge of any programming language (C/C++)
• Python
• HTTP/HTTPS
• Knowledge of payment transactions principals
• Base knowledge of EMV technology
• Base knowledge of financial protocols
• Practical experience with EFT POS terminal

Your responsibilities

• Development of software on Kotlin/Java for EFT POS terminals on Android platform, as well as related software tools for Windows/Linux
• Functional & unit tests of developed functionality, configuration of Dev environment
• Writing of internal technical specifications, K&B articles
• Software maintenance (issues investigation, bug fixes, refactoring)
• Analysis of requirements and customer’s specifications, participation in workload estimations
• Modeling / proof of concept code, analysis of legacy code
• Collaboration with QA team on within SW production cycle.
• Collaboration with Support team on investigation of issues and functional changes during UAT process.
• Code Review and Mentorship: middle developer may be involved in code reviews and mentoring junior developers, providing constructive feedback and guidance to improve the overall code quality.
• Staying updated with the latest advancements in the field of software development, particularly in the context of financial technology and POS systems.