Senior backend developer jobs in Poland, NY

 ...Entwicklungsteam weiter auszubauen und unser E-Commerce-System kontinuierlich zu verbessern, suchen wir dich als erfahrenen Senior Backend Developer (m/w/d) für unser E-Commerce-Team . Aufgaben Du entwirfst skalierbare Prozesse rund um Continuous Integration sowie... 

Become a part of our developer team in Munich! We are currently looking for a talented and experienced backend developer with a strong background in web and backend technologies, including REST, GraphQL, Docker, SQL and HTML5. We place particular emphasis on extensive developer... 

 ...About the role At Ruby Labs, we are creating a new D2C product in the LegalTech category, and we are looking for a skilled Senior Backend Developer to join our team. In this role, you will be instrumental in designing, developing, and maintaining efficient and scalable... 

 ...Being an agentic workflow “poweruser” is a strong advantage At least an Upper-Intermediate level of English RESPONSIBILITIES Design, develop, and maintain reliable software in line with technical requirements, focusing on performance and availability Analyze requirements,... 

Ein dynamisches Unternehmen in den USA sucht einen erfahrenen Senior Backend Developer für das E-Commerce-Team. Sie entwerfen skalierbare CI/CD-Prozesse und optimieren Softwaresysteme. Sie bringen umfangreiche Kenntnisse in Cloud-Infrastruktur und Datenbankverwaltung mit... 

Senior Dotnet Backend Developer (Multithreading) As a Senior developer you will be responsible for ensuring the team delivers high‑quality software, using industry best practices for code management, testing and CI/CD. Key Responsibilities Take responsibility for the... 

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Developer - Node.js in Worldwide. This role offers an exciting opportunity to work on the development and maintenance of high-performance backend systems... 

 ...course when something's not working. Pivoting isn't a failure for us — it's how we grow and learn. Who We’re Looking For A Senior Backend Developer who thrives on solving complex performance and scalability problems in Node.js and Python environments. You’ll join a... 

Du willst skalierbare Backend-Architekturen für eine innovative SaaS-Lösung im Healthcare-Bereich entwickeln und mit einem ambitionierten Team neue Maßstäbe setzen? Dann werde unser neuer Senior Backend Entwickler * (m/w/d) bei der NEXT Data Service AG . Aufgaben Innovation... 

A technology company for the travel industry is seeking an experienced Backend Engineer to advance their Offer product. The role involves building capabilities using Golang, providing technical leadership, and mentoring new engineers. Ideal candidates should have over 5... 

 ...location technology company in New York is seeking a Senior Software Development Engineer to develop complex mapping and navigation software for various platforms...  ...have 5+ years of experience in building scalable backend services, be proficient in Python and AWS, and... 

A great workplace combines exceptional people with challenging problems. At ClickUp, we saw a world burdened by fragmented tools—with tasks, chats, calendars, documents, and other critical work all lost in silos. We knew there had to be a better way. So, we built a single...

As a Senior Back End Engineer, you will play a pivotal role in building scalable, fast and...  ..., and high-performance solutions. Develop and maintain cloud infrastructure on AWS...  ...Requirements Minimum of 5 years of experience in backend development, with expert-level... 

 ...What We’re Looking For We are seeking a product‑mindful, impact‑driven Senior Backend Engineer with strong experience in Domain‑Driven Design, cross‑functional product development and Developer Productivity . In this role, you’ll collaborate with product, engineering... 

 ...Roche Farma, Zurich Insurance, and hundreds of others. About the role: We are seeking a Back-end Product Engineer to enhance our backend development capacity by implementing new features, refactoring existing code, fixing bugs, investigating customer issues, and focusing... 

 ...part of how we work — not just for speed, but for creativity, documentation, and scale. We’re looking for people who are excited to develop within this space and contribute to such culture by bringing ideas to the table, and continuously evolving their approach to... 

 ...digitizing their administration, communication, and organization. We develop practical software solutions that solve real problems - from...  ...the integration of external interfaces or the optimization of backend processes. Your Profile We don't expect expert knowledge in... 

 ...institutional-friendly manner. Ethena has also developed USDtb: a fiat backed GENIUS compliant...  ...or Asian Time Zone The Role As a Senior Engineer you’ll contribute to the design...  ...users. The role has a strong emphasis on backend architecture and integrations. You will... 

A leading productivity tech company in New York is seeking a Back-end Product Engineer to enhance backend development capacity. Responsibilities include implementing new features, investigating customer issues, and collaborating with various teams. Ideal candidates should... 

Remote EMEA Location Our Senior Backend Engineer will be an integral part of our EMEA engineering teams. This full-time remote role is open...  ...logic. You'll be collaborating with product managers, and developers from other teams and also participate in product-making decisions... 

 ...applications integrate into core business processes so teams can develop, deliver, and govern AI at scale. DataRobot empowers...  ...demand for new features in our product, we are looking to grow our backend engineering team. The primary responsibilities of this team include... 

A leading tech talent platform is looking for a Senior Software Engineer to design and implement AI-powered features in a SaaS environment. This fully remote role requires 5+ years of backend or full-stack engineering experience, with proficiency in TypeScript/Node.js or... 

A dynamic digital library company is seeking an experienced backend developer to join their team. This role involves developing scalable services, working in a collaborative environment, and requires extensive experience in Python along with knowledge of web technologies... 

Overview We’re looking for a backend-focused software engineer with a strong interest in applied AI to help us integrate LLMs, RAG pipelines...  ...location-specific benefits Not applicable for freelancers Seniority level Mid-Senior level Employment type Full-time Job... 

Senior Software Engineer - Backend Focused (Viator) Viator, a Tripadvisor company, is the leading marketplace for travel experiences. We believe that making memories is what travel is all about. With 300,000+ travel experiences to explore - everything from simple tours... 

 ...results, upcoming sales, and exhibitions, ensuring they stay at the forefront of the art world. About the Role We are seeking a Senior Backend Engineer with deep expertise in system architecture. This role combines hands‑on backend development with architectural... 

 ...consistently trending as a Top 50 app across all categories, right next to X, PayPal, Coinbase, and ChatGPT. Responsibilities Staff Backend Engineer who blends systems thinking with product pragmatism and a real passion for crypto. You’ll design, maintain, and evolve the... 

 ...development company is looking for a Sr BackEnd Engineer What you will be doing Full stack...  ...healthcare platform Work closely with senior stakeholders and Product Management to...  ...in a timely manner and mentoring other developers Help improve and innovate the dev ops environments... 

 ...received from the FCMS, and invoices from vendors. Some regions have developed stand‑alone tools (i.e. Shark in AU), however, those tools do...  ...and contributions are vital to our shared success. Seniority level Mid‑Senior level Employment type Full‑time Job function... 

Senior QA Engineer (Backend) Europe As a Senior QA Engineer, you will play a key role in shaping and executing the automation strategy that ensures...  ..., and performance) for backend APIs and systems Develop and maintain an automation strategy integrated into the CI...