Junior Back End Developer (Ruby)

Sensor Tower (View all Jobs)

Warsaw

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Interview Process

1. Phone call 2. On-site interview including discussion about projects/skills and a short real-world programming challenge

Programming Languages Mentioned

Python, Ruby


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About this role:

At Sensor Tower, we don’t just want you to write code; we want you to build the technical and product ownership that makes your work meaningful. We are looking for a talented Junior Back End Developer to join a high-priority strategic initiative.

In this role, you will build systems to track and analyze how major conversational Large Language Models (LLMs) perceive apps, brands, and digital entities. You will join a high-performing team to launch and quickly iterate on this new product, with high expectations for your work paired with a strong emphasis on fast career development and growth. We have a strong track record of leveling up talented juniors quickly, and this role offers a rare opportunity to pair closely with senior leadership on a greenfield project.

Our Engineering Culture

We believe that "Simplicity is a prerequisite for reliability." We are looking for engineers who align with our core values:

- Simplicity: We avoid over-engineering. We prefer the tools we already have and the most straightforward solutions over "shiny new toys."
- Quality: We write code that is a pleasure to read because we know code is written once but read many times. We don't cut corners, and we polish to a high level before shipping.
- Extreme Ownership: We don't just do the minimum. We expect you to understand the "why" behind your work and own the ultimate goal of fixing problems at their root cause, avoiding temporary band-aids.
- Prioritization: We focus relentlessly on what is important, not just what is urgent.

What You Will Do
  • Build New Insights Features: You will build and maintain reliable, high-performance pipelines to aggregate and analyze data from various AI models.
  • Own the Full Development Lifecycle: You will participate in the complete development lifecycle through design, implementation, and release. You won't consider a project done just because it was merged; you will own the follow-up to ensure no tech debt accumulates.
  • Collaborate Cross-Functionally: You will work closely with cross-functional teams, ensuring you understand the end-to-end process to design the correct systems.
  • Drive Future Strategy: Long term, you will work on additional strategic engineering projects to continuously make a business impact and grow our footprint.
  • Experience We Are Looking For
  • Stack Alignment:
  • Preferred: Knowledge of Ruby on Rails and the broader Ruby ecosystem is a large plus. Alternatively, demonstrated proficiency in Python or similar languages, with a willingness to cross-train in Ruby, is acceptable.
  • Nice-to-have: Experience with Clickhouse or other OLAP databases; MongoDB or other document stores; Sidekiq or other asynchronous task runners.
  • Technical Foundation: A strong grasp of algorithms, RESTful systems, and API design. Experience with data analysis and data pipelining is ideal.
  • Github/Portfolio: A portfolio of meaningful Github contributions, open-source work, or interesting personal projects that demonstrate you can build working software.
  • Curiosity & Drive: A proactive approach to digging into sources yourself rather than relying on second-hand information, and an eagerness to understand why a project is valuable before you start coding.
  • Why Join?
    We don’t want you to be here just for a job. We want you here because you enjoy the problems we solve and want to make an impact. If you are ready to do high-quality work, focus relentlessly on the most important priorities, and grow your career by solving hard problems, we want to hear from you.

    About Sensor Tower

    Sensor Tower cultivates responsibly sourced market intelligence that provides visibility into the trends shaping the global digital economy. Our customers use these insights to help them make better business decisions.

    Why Sensor Tower?

    Our flexible work environment allows employees to live in greater connection with the people, places, and activities they love! 

    Our benefits for full-time positions include:
    - Flexible time off so employees can shape their time away from work.
    - Health and wellness stipend to achieve and maintain a healthy lifestyle through physical and mental fitness.
    - Monthly internet stipend and a one-time $500 home office stipend.

    We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, and veteran status. We will consider qualified applicants with arrest and conviction records. If you have a disability or special need, please do not hesitate to let us know and we'll do our best to accommodate.


    Please mention No Whiteboard if you apply!
    I'm a one-man team looking to improve tech interviews, and could use any support! 😄


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