Here at Lusha, we power sales with data. Over 1.5M users and teams at Google, Zendesk, and Yotpo use our platform to find verified contacts, spot real-time buying signals, and automate workflows with 200M+ records.
As a Senior Full Stack Developer, you'll build the customer-facing products that hundreds of thousands of users interact with daily. Your code bridges AI-powered backends with sleek frontends—creating the seamless experience that makes Sales Streaming feel like magic.
What You'll Actually Do:
- Build and scale full-stack applications using Node.js, NestJS, and React.js that handle millions of user interactions.
- Design APIs, microservices, and backend systems that power real-time sales intelligence features.
- Write comprehensive tests (unit, integration, end-to-end) because quality isn't negotiable at our scale.
- Optimize performance and eliminate bottlenecks—every millisecond matters when salespeople are prospecting.
- Deploy through CI/CD pipelines in microservices architecture that scales with our explosive growth.
- Collaborate with Product, Design, and Engineering teams in fast-moving Agile squads.
Requirements
- Senior developers with 5+ years building backend-focused, user-facing web applications at scale.
- Node.js experts who know their way around SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases.
- Quality advocates experienced with comprehensive testing strategies and CI/CD processes.
- Full-stack thinkers comfortable with microservices environments and modern deployment practices.
- Team players with strong communication skills and data-driven decision-making approach.
- Nice to have: Message brokers (RabbitMQ, Kafka), containerization (Docker, Kubernetes), React.js/Vue.js/Angular, event sourcing architectures.
Why Lusha:
- Your code powers deals. Every feature you build helps salespeople close more business and waste less time prospecting.
- Real scale, real impact. Handle hundreds of thousands of users, real-time AI recommendations, and data that changes how B2B sales works.
- Ownership with autonomy. Lead technical decisions, influence product direction, and see your ideas ship to market fast.
- Rocket ship trajectory. Join the unicorn that's just hitting its stride—your growth matches ours.
Ready to build the future of sales technology? Apply now and help millions of salespeople work smarter.
Top Skills
What the Team is Saying
What We Do
At Lusha, we're building a future where every B2B sales professional is equipped with the data they need to succeed. Founded in 2016 by Assaf Eisenstein and Yoni Tserruya, our mission is to organize the world's business data while empowering our customers to uncover relevant revenue and growth opportunities. We're proudly GDPR compliant and maintain a globally compliant database.
With a staggering reach of 1 million users and a database boasting over 200 million entries, including 45 million direct contacts in North America, 50 million enterprise and SMB business profiles, and 21 million GDPR-compliant European contacts, Lusha stands as an indispensable resource in the B2B landscape. Our community has surged to over 670,000 sales professionals and 223,000 sales organizations, proudly showcasing partners such as Zendesk, Google, and Yotpo.
With significant investments totaling $240 million, we've transitioned from our bootstrap origins to unicorn status with a value estimation of $1.5 billion. Starting as a profitable bootstrap company and surviving solely on profits for 4.5 years, our journey is a testament to our commitment to innovation and the iconic brand we've become, continuously setting new standards in the industry.
In total, Lusha has 300 employees globally in two sites—Tel Aviv and Boston. Our teams are the driving force behind everything we do, dedicated not only to meeting but exceeding our customers' needs. We understand the importance of connection, fostering a collaborative environment where every employee contributes to our success.
Your voice matters, your ideas count, and together, we'll thrive.
Join us on this journey to revolutionize B2B sales. Let's grow better together.
Why Work With Us
Welcome to Lusha, where culture isn't a label—it's our DNA. Dream-driven creators, user-centric innovators, and relentless learners, we thrive on simplicity, collaboration, and trust.
Join us in shaping a company we're proud of—one where every voice matters and dreams fuel our journey.
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Lusha Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
