All offersWarszawaPythonSenior Backend/Data Engineer
Senior Backend/Data Engineer

Senior Backend/Data Engineer

Type of work
Employment Type
Operating mode

Tech stack

    nice to have

Job description

Online interview
Friendly offer

Who are we?

Kalepa is a fully remote startup dedicated to enhancing underwriting performance and driving profitable premium growth for the commercial insurance industry. Kalepa's AI-powered Copilot software enables underwriters to focus on the highest ROI opportunities and quickly evaluate and optimally select risk. Kalepa is backed by IA Ventures, Inspired Capital, and leaders in technology and financial services. Our HQ is located in New York.

Kalepa is looking for a Senior Backend Engineer with 5+ years of experience to lead our world-class software development for commercial insurers. As a Senior Backend Engineer, you will solve interesting and challenging problems at the intersection of large and performant data pipelines, distributed systems, and robust infrastructure.

Team members are given full ownership over their projects and are expected to drive the project’s direction and maintain focus. The team works in a two-week sprint and collaborates with a small team of full-stack, data, ML, and DevOps engineers.

🛠 Tech Stack:

🎯Back End: Python, Connexion

🎯Front End: React + Query + Typescript

🎯Development process: Docker

What you will be responsible for:

🕹Working on distributed systems, creating scalable, fault-tolerant infrastructure

🕹Building data-driven microservices leveraging RESTful APIs

🕹Understanding customer business needs and translating them into specifications or code

🕹Collaborate with a small team of full-stack, data, ML, and DevOps engineers

✅Apply ✅to us if you have:

⭐ Minimum of 5 years of experience

⭐ Have excellent development skills, including design, debugging, and problem-solving

⭐ You possess a bachelor's or master's degree in computer science or a related field

⭐ We primarily use Python3 however are open to seeing your code in other OO languages (Java, C++, C#, etc.)

⭐ Experience with AWS as we work with serverless technologies and asynchronous workflow. (EC2, Lambda, etc.)

⭐ Have worked with relational databases with a preference for PostgreSQL

⭐ Excitement about using a comprehensive set of technologies, ultimately focused on finding the right tool for the job

⭐ Preference for an open, frank, and respectful communication style

A concrete mindset 🧘 is crucial to us, so ⛔DON’T ⛔apply if:

💔 You’re not a true hustler. Who’s a hustler? Good question! Somebody who never takes no for an answer. The words “it can’t be done” don’t exist in their vocabulary

💔You’re looking for an 8-16 job

💔You don’t like to take ownership

💔You’re afraid of constructive feedback

💔You’re not comfortable with independent work

What you’ll get: 

🔥 A personalized and transparent career development plan, including employee reviews every six months. We invest time in developing and supporting our employees, giving them opportunities to grow. 

🔥 Transparent and fair compensation and promotion discussions solely based on performance. One of our top performers was even promoted after only 3 months.

🔥 The possibility of working with an ambitious, intelligent, global, and fun team that is transforming a trillion-dollar industry 

🔥 A ground-floor opportunity to build the foundations for the product, team, and culture

🔥 Exposure to wide-ranging intellectual challenges spanning full-stack software development, AI / ML, and design

🔥 Possibility to work with Kalepa's team members who bring experience from top technology, insurance, and intelligence institutions, including Facebook, Google, Amazon, ClassPass, Atlassian, Mastercard, MIT, Berkeley, UPenn, the University of Warsaw, and the Israel Defense Forces

🔥 Fully remote work environment. Flexible start and finish times


💵 Very competitive base salary 

📈 Significant equity options package (learn more

🏝 20 paid vacation days a year

🌆 Paid Bank Holidays

💆‍♀️ Unlimited Sick Leave (+ 👪 parental leave)

🏋 Multisport Plus Card, 🏥LuxMed comprehensive package

📞 Mobile phone bill reimbursement

🎒 Continued learning & 🏠Home office credit stipend

🌍 Quarterly teams offsites in global locations


Recruitment process in 10 quick steps 😳complete within 1-2 weeks(yes, not the shortest, but if you love challenges, you’re in the right place. To reward that, you will always get clear & honest feedback within 24h top ⏰)


Apply via the link and 📩 send us your CV (in English) 🇺🇸


Within 24h, our recruiter will verify your CV 📄 and reach out to you.

3️⃣ TASK

Based on your preference, we will send a task on the HackerRank platform - 3 tasks, 75 min to complete + you can choose a programming language


~30-minute conversation with a recruiter - you will learn more about the company and our culture & we will learn more about you


1h hands-on coding task with one of our Engineers


30-minute meeting to measure if you are a good match for our organization


2h back and forth interview session. It contains a one-hour meeting about System Design & Architecture + two 30-minute meetings during which you will meet our PM/Chief of Staff & CEO!


Uff, you are almost there... As part of our process, we hold 2-3 reference calls with individuals who have previously worked with you.


We will send you a proposal for the offer and await your decision.


You will write code from day one 

🙋🏻‍♀️Gosia will take care of your recruitment process!

If your expectations identify with ours and you want to join our team - apply today ​​👇