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. Founded in 2015, the company is one of the fastest growing companies in SaaS, raising approximately $250 million to date and valued at $1.6 billion. Apollo.io provides sales and marketing teams with easy access to verified contact data for over 210 million B2B contacts and 35 million companies worldwide, 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.
- Lead design and implementation of highly scalable, reliable LLM infrastructure that interfaces with multiple providers (Anthropic, OpenAI, GCP)
- Architect and build unified abstractions and frameworks for the organization's AI platform needs including:
- Provider API abstractions, authentication systems, and sophisticated usage policies
- Advanced provider routing with circuit breakers, retries, and graceful fallbacks
- Implement guardrails, content filters, and standardized prompt templating systems
- Design comprehensive observability for latency, cost, and quality metrics across AI systems
- Drive critical technical decisions across engineering organization for AI infrastructure adoption
- Lead development of core AI platform services from architecture to production, including developing robust async worker patterns and task orchestration systems
- Define and implement CI/CD best practices: establish pre-commit standards, reduce test flakiness, optimize test execution, harden GitHub Actions, and implement preview environments
- Architect cloud infrastructure and Kubernetes deployments with focus on security, scalability and cost efficiency
- Establish SLOs/SLIs and implement monitoring systems with Sentry, alert policies, metrics, logs, and dashboards
- Collaborate with cross-functional leadership to drive platform adoption and de-risk major launches
- Mentor engineers on platform best practices and guide architectural decisions across teams
- Strategic thinking with ability to influence and align engineering decisions across the organization
- Exceptional communication skills for collaborating with engineering leadership, product, and business stakeholders
- Self-motivated with demonstrated ability to lead complex, multi-team initiatives
- Excellent analytical skills to evaluate and solve complex technical challenges
- Strong technical leadership with proven track record of mentoring engineers
- Demonstrated experience establishing engineering best practices and systems thinking
- Exceptional attention to detail and commitment to high-quality deliverables
- Ability to navigate ambiguity and drive technical clarity in complex problem spaces
- Proficiency in leveraging AI tools to enhance productivity and engineering workflows
Required:
- 8+ years of experience in platform engineering, distributed systems, or AI infrastructure
- Proven track record of designing and implementing large-scale, production-grade systems
- Experience leading technical initiatives that span multiple teams and organizations
- Deep understanding of software architecture principles and design patterns
- Strong knowledge of cloud platforms, container orchestration, and microservices
- Bachelor's degree in Computer Science, Engineering, or related technical field
Preferred:
- Experience building production AI/ML infrastructure and platforms
- Expertise with Python, FastAPI, and modern async programming patterns
- Strong background in Kubernetes, infrastructure as code, and cloud-native architectures
- Experience with observability systems, performance optimization, and reliability engineering
- Knowledge of security best practices for AI systems and data handling
The listed Pay Range reflects base salary range, except for sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commission/sales bonus targets and annual base salary for the role. This pay range may be inclusive of several career levels at Apollo and will be narrowed during the interview process based on a number of factors, including the candidate’s experience, qualifications, and location. Applicants interested in this role and who are not located in the US may request the annual salary range for their location during the interview process.
Additional benefits for this role may include equity; company bonus or sales commissions/bonuses; 401(k) plan; at least 10 paid holidays per year, flex PTO, and parental leave; employee assistance program and wellbeing benefits; global travel coverage; life/AD&D/STD/LTD insurance; FSA/HSA and medical, dental, and vision benefits.
Apollo.io is an AI-native company built on a culture of continuous improvement. We’re on the front lines of driving productivity for our customers—and we expect the same mindset from our team. If you're energized by finding smarter, faster ways to get things done using AI and automation, you'll thrive here.
Why You’ll Love Working at ApolloAt Apollo, we’re driven by a shared mission: to help our customers unlock their full revenue potential. That’s why we take extreme ownership of our work, move with focus and urgency, and learn voraciously to stay ahead.
We invest deeply in your growth, ensuring you have the resources, support, and autonomy to own your role and make a real impact. Collaboration is at our core—we’re all for one, meaning you’ll have a team across departments ready to help you succeed. We encourage bold ideas and courageous action, giving you the freedom to experiment, take smart risks, and drive big wins.
If you’re looking for a place where your work matters, where you can push boundaries, and where your career can thrive—Apollo is the place for you.
Learn more here!
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What the Team is Saying
What We Do
Apollo is a $1.6B AI-powered sales platform that helps revenue teams find and engage leads, automate outreach, manage deals, and enrich data — all in one place. Known for its industry-leading B2B database of more than 210 million contacts and 35 million companies, Apollo’s end-to-end platform helps businesses of all sizes unlock their full market potential with unparalleled precision and ease.
Trusted by 500,000+ companies, including Autodesk, Cyera, and DocuSign, Apollo is building the number one go-to-market platform to make the sales process intelligent, turnkey, and accessible for all. Visit [apollo.io](http://apollo.io/) to learn more.
Why Work With Us
Apollo is building the #1 AI-powered go-to-market platform, trusted by 500,000+ companies. We move fast, invest in our people, and promote from within. You'll work on meaningful problems with a curious, driven team that values ownership, growth, and impact. Join us and help shape the future of sales.
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Hybrid Workspace
Employees engage in a combination of remote and on-site work.
We offer both remote and in-person roles, so you can work from home or from one of our growing office hubs.
