Senior Software Engineer, Common Infrastructure
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What you'll do
- Build and extend platforms and developer tooling that provide common capabilities for service development and deployment.
- Improve the scalability, reliability, security, and cost efficiency of our infrastructure.
- Lead infrastructure projects and collaborate with engineers across Moloco to deliver durable solutions.
- Help shape our approach to AI infrastructure, including enabling teams to build, deploy, and host AI workloads in a safe, compliant, and cost-effective manner.
- Establish safe defaults, guardrails, and best practices across the company so teams can move quickly without taking on unnecessary risk.
- Mentor other engineers and raise the quality of software design and implementation across the team.
What they're looking for
- BS in Computer Science or related fields.
- 5+ years of hands-on software development experience.
- Strong software development skills and fluency in at least one modern programming language, such as Go, Java, Rust, or Python.
- Experience designing and building large-scale, low-latency, highly reliable systems.
- Strong system design skills, with experience taking projects from requirements through design, implementation, launch, adoption and production operation.
- Experience working with cloud platforms and cloud-native technologies (e.g. Kubernetes, Airflow, Dataflow, Spark, Redis, BigTable, etc.)
- Experience using software delivery and developer tools (e.g. CI/CD systems, GitHub, Jenkins, or AI-assisted development tools, etc.)
- Strong problem-solving skills and the ability to make sound engineering tradeoffs in ambiguous situations.
- Ability to leverage AI-assisted development tools to increase productivity while independently validating their outputs and owning the resulting design, implementation, testing, and security decisions.
- Ability to communicate clearly and collaborate effectively with engineers and stakeholders across teams.
- Experience leading projects through influence while remaining hands-on in the technical work.
Nice to have
- Experience building foundational platforms, developer infrastructure, or highly reusable shared services.
- Experience improving developer productivity through platform design, tooling, automation, or adoption.
- Experience with infrastructure observability, performance optimization, or cost efficiency.
- Experience working in AI infrastructure, such as agent identities, MCP servers, LLM gateways, model hosting, or workload orchestration.
- Experience enabling other teams to build, deploy, and operate AI workloads in a safe, compliant, reliable, and cost-efficient way.
- Familiarity with security, privacy, access control, data governance, or compliance considerations for shared infrastructure and AI systems.
Summarised by NextRaise from the employer’s description, which follows in full below.
Full description from employer
About Moloco:
Moloco builds some of the most powerful AI advertising solutions in the world. Our name—short for "machine learning company"—reflects our core mission: democratizing access to the advanced AI that has historically been reserved for tech giants. Led by machine learning pioneers who built some of the most successful ad systems at Google, including YouTube's monetization engine and key search advertising technologies, we're transforming how businesses grow and compete in the digital economy.
Built with AI from day one, Moloco’s planet-scale machine learning platform powers a suite of solutions for advertising growth and monetization. Moloco Ads is an AI-powered platform that delivers real business outcomes for mobile app marketers through performance-based user acquisition. Moloco Commerce Media enables retailers and marketplaces to build revenue-generating ad businesses that balance user experience and advertiser performance.
Moloco is headquartered in Silicon Valley, with offices in Seattle, New York, San Francisco, Seoul, Beijing, Singapore, Gurgaon, Tokyo, Shanghai, London, Tel Aviv, and Berlin.
Moloco is a truly rewarding place to work and in an exciting period of growth, which you could be a part of. Join us today and apply now!
The Impact You'll Be Contributing to Moloco:
The Common Infrastructure team builds the platforms and infrastructure that form the foundation of Moloco Ads. We build developer experience, cloud infrastructure and shared platforms to enable other engineers to deliver software efficiently.
As a Senior Software Engineer, you’ll work on foundational problems that affect many teams across the company. You'll design and build reliable, scalable, secure, and easy-to-use systems, turning common infrastructure needs into reusable platforms, tooling, and automation. Your work will improve engineering velocity and help teams build and deploy services (and increasingly AI workloads) without each team having to solve the same infrastructure problems independently.
The Opportunity:
You'll work across platform engineering, developer experience, cloud and AI infrastructure, and security and compliance. You’ll own complex infrastructure problems end to end: from understanding what engineering teams need, to designing and building robust systems, to helping teams adopt and use them effectively.
You’ll have opportunities to:
- Build and extend platforms and developer tooling that provide common capabilities for service development and deployment.
- Improve the scalability, reliability, security, and cost efficiency of our infrastructure.
- Lead infrastructure projects and collaborate with engineers across Moloco to deliver durable solutions.
- Help shape our approach to AI infrastructure, including enabling teams to build, deploy, and host AI workloads in a safe, compliant, and cost-effective manner.
- Establish safe defaults, guardrails, and best practices across the company so teams can move quickly without taking on unnecessary risk.
- Mentor other engineers and raise the quality of software design and implementation across the team.
How Do I Know if the Role is Right For Me?
Software Engineering Foundation
- BS in Computer Science or related fields.
- 5+ years of hands-on software development experience.
- Strong software development skills and fluency in at least one modern programming language, such as Go, Java, Rust, or Python.
Systems and Technical Depth
- Experience designing and building large-scale, low-latency, highly reliable systems.
- Strong system design skills, with experience taking projects from requirements through design, implementation, launch, adoption and production operation.
- Experience working with cloud platforms and cloud-native technologies (e.g. Kubernetes, Airflow, Dataflow, Spark, Redis, BigTable, etc.)
- Experience using software delivery and developer tools (e.g. CI/CD systems, GitHub, Jenkins, or AI-assisted development tools, etc.)
Ownership and Collaboration
- Strong problem-solving skills and the ability to make sound engineering tradeoffs in ambiguous situations.
- Ability to leverage AI-assisted development tools to increase productivity while independently validating their outputs and owning the resulting design, implementation, testing, and security decisions.
- Ability to communicate clearly and collaborate effectively with engineers and stakeholders across teams.
- Experience leading projects through influence while remaining hands-on in the technical work.
Preferred Skills:
- Experience building foundational platforms, developer infrastructure, or highly reusable shared services.
- Experience improving developer productivity through platform design, tooling, automation, or adoption.
- Experience with infrastructure observability, performance optimization, or cost efficiency.
- Experience working in AI infrastructure, such as agent identities, MCP servers, LLM gateways, model hosting, or workload orchestration.
- Experience enabling other teams to build, deploy, and operate AI workloads in a safe, compliant, reliable, and cost-efficient way.
- Familiarity with security, privacy, access control, data governance, or compliance considerations for shared infrastructure and AI systems.
Compensation & Benefits
U.S.-based employees have access to medical, dental, and vision insurance, a 401(k) plan with company match, short-term and long-term disability coverage, basic life insurance, and well-being benefits and perks. U.S.-based employees also receive up to 12 scheduled paid holidays per calendar year and one Thrive Day off per quarter. Additionally, all employees have Flexible Time Off (FTO).
The successful candidate may be eligible for a bonus and equity awards. Eligibility and amounts are determined by performance and the terms of the applicable plans.
The location for this role is listed above. For base pay range purposes, location-based compensation is grouped into the following regions. Your region is determined by your assigned work location.
- Region A: Menlo Park Office, New York Office, SF Bay Area, New York Metro Area
- Region B: Seattle Office, Seattle, Los Angeles/Orange County, San Diego, Austin, Boston, Washington DC Metro Area, Miami
- Region C: All other U.S. locations
Salary Ranges:
Moloco Thrive: Benefits and Well-Being:
We take care of you and create the conditions for you to do the best work of your career. Through a lens of inclusion, we offer innovative benefits that empower our employees to take care of themselves and their families so they can do the best work of their lives.
Moloco Values:
- Lead with Humility: Everyone’s voice is respected, valued, and heard. With humility, we become more open and accessible to each other. We win, lose, and learn together. Accountability and feedback are essential to our success.
- Uncapped Growth Mindset: We see all situations as opportunities to learn, grow, and improve as individuals and as an organization. We seek diverse perspectives, encourage curiosity, and promote experimentation to push the boundaries of what’s possible.
- Create Real Value: We pursue the most impactful opportunities with rigor and integrity. We take intelligent risks and make disciplined trade-offs to maintain deep focus. We help our customers win by delivering durable value.
- Go Further Together: We’re one team working towards one mission and vision. We collaborate proactively and inclusively, involving the right people at the right time and in the right way. We strive to create a more equitable workplace. We won’t let each other fail.
Additional Resources:
AI Use in Interviews
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Company
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