Senior Product Engineer

Knapsack; Poland; Hybrid; PLN 246,000 - 290,000; Full time

Benefits offered by this job

Pager Duty (compensated)

20 days off per year

Job summary

Knapsack, Kraków-based developer-tool company behind Knapsack Pro, seeks a seasoned Product/DevTool Engineer. You will own end-to-end features across technologies, design robust public APIs, and craft pragmatic, performant code while collaborating with engineers and designers to ship valuable tooling for thousands of users.

The role emphasizes data-driven decisions in a fast-paced, experiment-oriented environment, with English communication and self-management being essential.

Qualifications

• Minimum 7+ years of professional experience, mainly as a Product/DevTool Engineer.
• Experience designing pragmatic, performant code and public APIs.
• Strong UX focus in dev-tools and products.

Responsibilities

• Own end-to-end features from ideation to maintenance.
• Design and refine public APIs and developer tools for customers.
• Use data to evaluate alternatives and pick the best solution.
• Communicate clearly with users and stakeholders.

Skills

7+ years experience

API design

DevTools

UX design

Data-driven decisions

English fluency

Experiment-driven

Self-management

Job description

About us and this role

Knapsack is the product company behind Knapsack Pro, a developer-tool that helps engineers optimize CI test runs since 2014. We are a small team located in Kraków (Poland). We mostly work remotely, but meet in person for some of the things.

This is a technical role, but we are looking for someone who is both excited and experienced in working on a product. We value good code and architecture, but they are always means to an end.

Tens of thousands of users rely daily on Knapsack, so you’ll be on the frontline talking with them to ensure their needs are fulfilled.

You’ll take ownership and responsibility for what you build. Everybody on the team responds to support tickets and takes part in Pager Duty.

We expect you to develop complex projects, from ideation and scoping to execution and maintenance. Again, if you're seeking end-to-end ownership, you might have come to the right place!

At Knapsack, it’s not unusual for one person to touch Heroku/AWS, Postgres/Redis, Ruby/Rails, JS/TS, and multiple CIs on the same day. So you should have experience in most and be capable of picking up the rest quickly.

We look forward to hearing from you!

Our recent projects include:

• PREDICT
• Retry-only-Failures
• Rewrite of the API to support tens of millions of test batches per day
• Support for Vitex and Playwright
• Creation and analysis of analytics to evaluate alternative pricing models

About you:

• Seven or more years of professional experience, mainly as a Product/DevTool Engineer.
• Proficiency in crafting pragmatic and performant code where it matters and taking smart shortcuts where appropriate
• Taste in designing public APIs, dev-tools, and User eXperiences
• Data-driven skills to evaluate multiple alternatives and converge on the most promising solution
• Excellent communication in English both in writing and verbally
• The right mix of art & science to deliver projects in an experiment-oriented environment
• Ability to self-direct and manage complex projects
• Comfortable in a fast-paced environment with rapidly changing priorities
• Preferably located in Kraków, Poland

Agreement details:

• B2B contract
• 22-26k PLN net / month
• 20 days off / year
• Pager Duty (compensated)