Apollo.io is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies and millions of users globally, from rapidly growing startups to some of the world's largest enterprises. Apollo.io provides sales and marketing teams with easy access to verified contact data for over 270 million B2B contacts, along with tools to engage and convert these contacts in one unified platform. By helping revenue professionals find the most accurate contact information and automating the outreach process, Apollo.io turns prospects into customers. Apollo raised a series D in 2023 and is backed by top-tier investors, including Sequoia Capital, Bain Capital Ventures, and more, and counts the former President and COO of Hubspot, JD Sherman, among its board members. Apollo.io is growing rapidly, with 900% revenue growth since 2021, and is looking for world-class talent to keep building with us.
OUR ROLE & MISSION
As a Senior Fullstack Engineer at Apollo, you will work with Apollo’s 200M+ Leads data and build features on top of it. You will be responsible for improving the quality of our data and building customer-facing products by coming up with innovative, yet simple, solutions and implementing them end-to-end. This involves building highly scalable web services, an excellent understanding of software design and databases, and a solid grasp of frontend engineering. You will be a critical part of our growing company, working on a cross-functional team to implement and drive best practices in technology, architecture, and process. In this role, you will interface with a product, design, software engineers, and members on teams outside of Engineering. At Apollo, we are obsessed with improving quality, automation, and squashing any bugs that sneak through, and we expect the same from you. You have a drive to constantly investigate performance improvements and generate innovative ideas.
DAILY ADVENTURES & RESPONSIBILITIES
What we offer
Benefits
Development opportunities we offer
Besides the great compensation package and culture that thrives in openness and excellence, we invest tremendous effort into developing our remote employees’ careers. The team embraces that we have a sole purpose: to help customers maximize their full revenue potential on the Apollo platform. This mindset opens us up to a lot of creative approaches to making customers successful at scale. You’ll be a significant part of a lean, remote team, empowered to really own your role as a proactive educator. We’re very collaborative at Apollo, so you’ll be able to lean on your teammates, even in adjacent departments, to help you achieve lofty goals. You’ll be supported and encouraged to experiment and take educated risks that lead to big wins. And, you’ll have a whole team remotely by your side to help you do it!
QUALIFICATIONS
Nice to have:
Have you heard of, or maybe even used Apollo.io?
We're top 20 best sales software products for 2025: https://www.g2.com/best-software-companies/top-sales
One of the fastest growing companies in SaaS, raising approximately $250 million to date and valued at $1.6 billion.
Apollo.io provides with a B2B E2E Sales Platform with an easy access to verified contact data for over 210 million B2B contacts and 35 million companies worldwide. Designed to search, engage, and convert potential leads to clients.
Mission: help all companies reach their full growth potential 🚀
We have been monetizing since 2022. Our ARR 2024 = 133 MLN USD.
Celebrating a $100M Series D Funding Round raised in Aug 2023 🦄
Having 700 people all round the world (270 in Engineering) we decided to start building our presence in Poland. 45 folks in PL already!
We are hiring globally 🌎
#100% remote company 🌴
Join our team in Poland 🤍❤️
Our values:
PS We’re language agnostic, you don’t need any previous Ruby experience for the backend positions. Any of those programming languages - Java, Python, Scala, Go, Elixir, C++ will be great as you'll learn Ruby during the onboarding.