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Junior Back End Engineer

1 month, 3 weeks ago
Poland
Full-time
Junior
Backend Engineer
Software Development
ClickHouse GitHub MongoDB Python REST API Ruby Ruby on Rails Sidekiq
Apply Now
Sensor Tower

Sensor Tower

Sensor Tower provides a comprehensive digital intelligence platform that specializes in app store analytics and mobile engagement insights, enabling businesses to enhance their app visibility, drive organic user acquisition, and make informed strategic...

Media
11-50
Founded 2013
$46M raised
View All Jobs 18

Description

  • Contribute to features across the full development lifecycle, from design through shipping.
  • Design, build, and maintain APIs and backend services that power customer-facing products.
  • Work with large datasets and high-performance databases to ensure fast, reliable data access.
  • Improve code quality through testing, refactoring, and participating in code reviews.
  • Pair-program and collaborate with teammates and mentors to solve problems and deliver features.
  • Troubleshoot, optimize, and support production systems and workflows.
  • Gradually take on increasing ownership of components and features as you grow.

Requirements

  • Early-career / junior engineer with strong potential, curiosity, and eagerness to learn.
  • Preferred: Knowledge of Ruby on Rails; alternatively, demonstrated proficiency in Python or similar languages with willingness to cross-train in Ruby.
  • Strong grasp of algorithms, RESTful systems, and API design.
  • Experience with data analysis and data pipelining is ideal.
  • Nice-to-have: experience with ClickHouse or other OLAP databases.
  • Nice-to-have: experience with MongoDB or other document stores.
  • Nice-to-have: experience with Sidekiq or other asynchronous task runners.
  • Portfolio of meaningful GitHub contributions, open-source work, or personal projects that demonstrate you can build working software.
  • Strong communication, collaboration, proactive problem-solving skills, and eagerness to ask questions and learn.

Benefits

  • Mentorship from senior engineers.
  • Real ownership of features (not just small tasks).
  • Exposure to large-scale production systems and technical challenges.
  • Collaborative culture and opportunities to grow and learn new things.
  • Fully remote, full-time role with close pairing opportunities with senior leadership.

Interested in this position?

Apply directly on the company website

Apply Now

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