Senior Fullstack Engineer/Tech Lead

Join a QSR client as a Senior Fullstack Engineer and help develop an AI drive-thru platform that scales faster, smarter, and more accurately.       RESPONSIBILITIES In this role, you will: • Integrate with new POS systems and digital menu boards • Build data pipelines to process restaurant menus • Support existing integrations and pipelines • Debug and solve complex customer issues • Lead communication with integration partners to deliver the integrations • Estimate, plan and deliver the integration projects • Handle a large set of complex and diverse customer issues • Create documentation for integrations REQUIREMENTS • 7+ years experience in Python and JavaScript • Strong backend development and software architecture skills • Experience in developing and deploying multiple projects used in production • Proficient with Async IO • Experience with React, Redux (RTK), CSS modules • Experience with CI/CD, Clouds (AWS/GCP/Azure), Linux, Docker, Kubernetes, 3rd Party API integrations • Experience with Data Pipelines, ETL • Prior experience working in startups • BSc in Software Development or equivalent industry experience • 1+ years of experience in technical leadership   WHAT DO WE OFFER ON THIS PROJECT? • Cooperation based on a B2B contract. • 100% remote work. • The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. • Events and integration meetings, as well as participation in various initiatives, e.g., sports. • Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide  +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Barbara Krawczyk Junior IT Delivery Consultant barbara.krawczyk@speedapp.pl +48 734 469 838