Senior Backend Developer

Remote · Full-time · Senior

About The Position

We are looking for a Senior Backend Developer with a proven track record of building scalable backend systems and APIs. You will play a key role in designing, developing, and maintaining our core backend services, with a focus on performance, reliability, and scalability.

Why does MWDN rock?

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.

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, army enrollment, 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?

Domain: FinTech

Location: Israel

Company size: 11-50

Founded in: 2022

What makes this project exciting?

We’re hiring for Atlas Invest, an Israel-based FinTech company that’s redefining the real estate-backed debt market. With advanced AI tools and proprietary tech, they connect investors and borrowers in a fast, transparent, and scalable way. The team is growing quickly and making a real impact on how real estate financing works in the U.S.

If you want to be part of an innovative, results-driven environment with big growth potential, this could be your next big move!

What makes you a great fit

  • 4+ years of backend development experience, with at least 3 years in TypeScript/Node.js
  • Solid experience with Python for scripting or service-level backend components
  • Strong understanding of PostgreSQL, MongoDB and GraphQL - query optimization, indexing, data modeling
  • Proficiency with REST API design and best practices
  • Deep knowledge of WebSocket protocols and real-time data handling
  • Experience with messaging systems/queues such as RabbitMQ, Kafka, or Redis streams
  • Familiarity with CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins)
  • Cloud deployment experience (AWS, GCP, or Azure) with emphasis on scalability and availability
  • Excellent problem-solving skills, debugging experience, and systems thinking
  • Strong communication skills and ability to mentor junior engineers

Your day-to-day in this position

  • Design, develop, and maintain backend services using TypeScript, Node.js, and Python 
  • Architect and optimize RESTful APIs and integrate with external/internal systems
  • Work with PostgreSQL, MongoDB, GraphQL to manage and optimize data models and queries
  • Integrate with AI tools, generate prompts, test & evaluate prompts results (a huge adv; at least one of them)
  • Implement scalable WebSocket-based communication and message queues (e.g., RabbitMQ, Redis, or similar)
  • Collaborate closely with product, frontend, and data teams to deliver high-quality solutions
  • Ensure smooth CI/CD pipelines and contribute to infrastructure-as-code and deployment strategies
  • Drive performance tuning, security hardening, and system monitoring for backend services
  • Troubleshoot complex issues and lead root cause analysis and resolution
  • Write clean, maintainable, and well-tested code with a strong emphasis on quality and performance
  • React js experience - big advantage  

Why work with us?

  • People-oriented management without bureaucracy.
  • The friendly climate inside the company is confirmed by the frequent comeback of previous employees.
  • Paid time off (18 working days per year, plus all national holidays and 10 sick days).
  • Flexible working schedule.
  • Full financial and legal support for private entrepreneurs.
  • Free English classes.
  • Dedicated HR.