Back-end developer
Job Description & Overview
Overview
Hi! We are looking for an experienced back-end developer to join our US-based start-up HeyDaily (with the backing of top investors like Sequoia). We offer a fast-paced environment with the ability of quick promotions.
A few words about our project: HeyDaily is enabling influencers to deliver exclusive SMS messages (text, voice notes, images, videos) to subscribed fans. We handle the payments, landing page and distribution through SMS. Influencers create bite-sized content (videos, images, text, voice notes) and send it through their app. The subscribers receive it as SMS and have a link to view media, which needs to be extremely mobile friendly (media could be set to disappear, think Snapchat in the browser).
Salary: PLN 14,000-24,000 net (B2B) + shares
Headquarters: Warsaw/NYC (WeWork), (optional remotely work).
Responsibilities
- Participate in the entire application lifecycle, focusing on coding and debugging;
- Troubleshoot and debug applications;
- Build a high-quality reusable code that can be used in the future;
- Collaborate with front-end developers to integrate user-facing elements with server-side logic;
- Gather and address technical and design requirements;
- Build reusable code and libraries for future use;
- Liaise with developers, designers and system administrators to identify new features;
Qualifications
- 3+ years of experience in JAVA
- Bachelor’s degree in Computer Science
- Analytical skills
- AWS experience
- Build smart applications with multiple services and APIs
- Assist in designing databases to manage our data
- SMS distribution systems (Twilio) - optional
- Experience with Stripe API - optional
- Experience creating user authentication and authorization between multiple systems, servers, and environments.
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Key Details
- Date Posted: 05 Oct 2026
- Location: warszawa
- Employment Type: Permanent
- Category: General
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HeyDaily Inc.
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