Log inSign up free
  • Home
  • Profile
  • Jobs
    • Applications
    • Career
    • Resume
    • Cover letters
  • Content
    • Posts
    • Media
  • Messages
  • Analytics
    • Overview
    • Pages
  • Portfolio
  • More tools
    • Hiring
  • Settings
All jobs
SSSigma Software logo

Sigma Software

Warsaw, pl

Principal Software Engineer (Ruby Expert).

FULL TIMESTAFF LEVELENGINEERING
  • Architect and implement scalable, high-performance software solutions using Ruby and Ruby on Rails
  • Lead the design and development of new features and products, ensuring code quality and best practices
  • Collaborate with cross-functional teams to define and implement technical strategies
  • Mentor and guide junior developers, fostering a culture of continuous learning and improvement
  • Conduct code reviews and provide constructive feedback to team members
  • Optimize existing systems for improved performance and scalability
  • Contribute to the evolution of our technology stack and development processes
  • Participate in technical decision-making and help set the direction for our engineering efforts
  • Stay up-to-date with emerging technologies and industry trends, recommending innovations when appropriate
  • Troubleshoot and resolve complex technical issues in production environments
  • Expert-level proficiency in Ruby and strong knowledge of Ruby on Rails framework
  • 8-10+ years of software development experience, with a proven track record of leading complex projects
  • Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
  • Strong experience with web development technologies (HTML, CSS, JavaScript)
  • Proficiency in database systems (e.g., PostgreSQL, MySQL) and version control systems (e.g., Git)
  • Deep understanding of software design patterns, principles, and best practices
  • Experience with test-driven development (TDD) and automated testing frameworks
  • Knowledge of scalable and distributed systems architecture
  • Familiarity with cloud computing platforms (e.g., AWS, Azure, GCP)
  • Strong problem-solving skills and ability to architect complex software solutions
  • Excellent communication and leadership abilities, with experience mentoring junior developers
  • Experience working with Agile methodologies
  • Ability to balance technical leadership with hands-on coding
  • Passion for staying current with emerging technologies and industry trends

WILL BE A PLUS

  • вввва
  • ввв
  • паа

PERSONAL PROFILE

  • олллл
  • лоаолал
  • оаоал
Pay
Not stated
Where
Warsaw, pl
Work
Not stated
Type
Full time
Posted
22 Oct, 2026
Apply on the original postingSign in to apply

Unverified board

more at Sigma Software.

22 Oct, 2026

Sigma Software

Sound Producer

SSSigma Software logo
  • Part time
  • Remote

Kyiv, ua

Remote

Details
22 Oct, 2026

Sigma Software

GameDev Internship

SSSigma Software logo
  • Internship
  • Intern
  • Remote
  • Engineering

Kyiv, ua

Remote

Details
22 Oct, 2026

Sigma Software

Middle Java Developer

SSSigma Software logo
  • Full time
  • Remote
  • Engineering

Brasília, br

Remote

Details

similar roles.

22 Oct, 2026

Canonical

Support Engineer

CACanonical logo
  • Engineering

Office Based - London, UK

Salary not listed

Details
12 Jul, 2023

Canonical

Senior Software Engineer - Digital Workplace

CACanonical logo
  • Senior level
  • On-site
  • Engineering

Home based - EMEA

On-site

Details
21 Oct, 2026

Bevaya

Senior Software Engineer

BEBevaya logo
  • Full time
  • Senior level
  • Engineering

Phillippines Office

Full time

Details
22 Oct, 2026

BuildOps

Director of Engineering, Data

BUBuildOps logo
  • Leadership
  • Engineering

$176k–235k/yr

Toronto +2

Details
22 Oct, 2026

calix.com

Senior Test Automation Engineer (Salesforce Using Cypress)

CCcalix.com logo
  • Senior level
  • Engineering

Bangalore, India

Salary not listed

Details
22 Oct, 2026

Man Group

Senior Storage Platform Automation Engineer

MGMan Group logo
  • Senior level
  • Engineering

London

Salary not listed

Details