Senior Node.js Back-End Developer

MWDN connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We aim to ensure our employees enjoy a rewarding and secure experience while collaborating with prestigious international clients.

Why does MWDN rock?:

Here’s what you can expect when you get employed by MWDN:

• Security first. We vet our clients to eliminate risks, ensuring reliability and timely payments for your hard work—no fraud or unforeseen events here!
• Career support. If a match isn't right, we're here for you. We actively assist our employees in finding new opportunities that fit their skills and aspirations.
• Legal assistance. We provide guidance on legal matters (e.g., opening and administering your private entrepreneur account, taxes, etc.).
• Professional development. We offer English courses and other engaging activities, including team-building events.
  
  

Why choose us? MWDN is ranked among the top 5 IT employers in our region by DOU, and we pride ourselves on our transparency and commitment to our team. Curious to learn more? Discover what our employees say about us in their DOU reviews: MWDN reviews.

What is your new project?:

This AI‑driven, evidence‑based peer support platform enables health plans, self‑insured employers, and government agencies to address the serious impact of loneliness and social isolation on health outcomes, costs, and engagement rates. The platform uses a unique approach to build tailored social support networks that adapt over time and respond to improvements in users’ social and mental well‑being.

The mission is clear: to help overcome the Loneliness Epidemic.

What Makes You a Great Fit

An established digital platform is looking for an experienced Senior Backend Developer to join a dynamic and highly collaborative team. In this role, you will help design, develop, and maintain the backend infrastructure that powers the platform, ensuring it is secure, scalable, and optimized for user experience.

The ideal candidate is mission‑driven, passionate about high‑quality engineering, excited about the intersection of data and digital health, and comfortable working in a fast‑paced environment with both local and international teams.

• 7+ years of experience as a backend developer, with strong skills in Node.js and TypeScript
• 3+ years working with MongoDB
• Deep understanding of RESTful API design and Express.js
• Strong proficiency in modern JavaScript (ES6+)
• Solid understanding of production environments and debugging
• Expertise in performance optimization and scalable architecture
• Knowledge of software engineering principles (SOLID, design patterns, OOP/FP, TDD)
• Familiarity with the Node.js ecosystem (package managers, linters, best practices)
• Excellent communication skills, team mindset, and empathy
• Ability to work with US-based teams and across time zones
• Understanding of service-oriented and event-driven architecture
  
  

Nice to Have

• Management or mentorship experience
• Experience with system architecture and modern frameworks
• Knowledge of IT systems, cybersecurity, DevOps, or compliance
• Bachelor’s degree in Computer Science or equivalent
  
  

Your Day-to-day In This Position

• Design, implement, and maintain scalable backend services
• Build RESTful APIs using Node.js, TypeScript, and Express.js
• Work with MongoDB databases and AWS services (ECS, SQS, EventBridge, Lambda, CloudWatch, SSM)
• Diagnose and resolve technical and production issues
• Identify and analyze performance bottlenecks
• Collaborate with cross-functional and cross-timezone teams
• Ensure system security, reliability, and best-practice architecture
• Carry requirements from early concept to full implementation
  
  

Why work with us?:

• People-oriented management without bureaucracy
• The friendly climate inside the company is confirmed by the frequent comeback of previous employees
• Flexible working schedule
• 29 paid time off (18 working days per year, plus 11 days - all national holidays)
• 9 sick leave days
• Full financial and legal support for private entrepreneurs
• Free English classes with native speakers or with Ukrainian teachers (for your choice)
• Dedicated HR
  
  

Our Next Steps

✅ Intro call with a Recruiter — ✅ Tech Client interview —✅ Home Assignment —✅ HR Client interview ✅ Offer