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 Backend Engineer in our Data Group, you'll build the high-performance APIs and services that make Sales Streaming possible. Your code sits between massive data stores and millions of users—delivering the right contact at the right moment, every time.
What You'll Actually Do:
- Build lightning-fast APIs serving recommendations, contact, and company data to millions of users daily.
- Design event-driven systems that sync data across products and data lakes in real-time.
- Optimize data retrieval, caching, and indexing for sub-second response times at scale.
- Create fault-tolerant services with robust monitoring and CI/CD that just work.
- Collaborate with Data Scientists and ML engineers to power AI-driven features customers use.
Requirements
- Backend engineers with 4+ years building production APIs and large-scale data systems.
- Polyglot developers fluent in Python and/or Node.js with strong performance optimization skills.
- System builders experienced with PostgreSQL/MySQL, MongoDB, ClickHouse/Elasticsearch, and Redis.
- Engineers comfortable with event-driven architectures, CI/CD, automated testing, and monitoring.
- AI enthusiasts excited to experiment with LLM-based solutions for intelligent data access.
Why Lusha:
- Your APIs power revenue. Every optimization directly impacts how sales teams discover opportunities.
- Scale that matters. Handle millions of requests and real-time sync across products.
- Innovation meets impact. AI-powered data access, intelligent caching, distributed systems that salespeople depend on.
- Growth trajectory. From bootstrapped startup to $1.5B unicorn—join a rocket ship hitting its stride.
Ready to build the data access layer that powers modern sales? Apply now.
Top Skills
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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