Senior Software Engineer - Experiment Platform
About The Position
Moloco is seeking a Senior Software Engineer to join the Ads Platform, Experiment team. This team owns Moloco's company-wide experimentation infrastructure, building systems that enable teams to safely roll out changes, measure impact rigorously, and make confident product and business decisions. The role involves leading the design and evolution of high-leverage systems that shape how Moloco runs experiments across products. The engineer will own technical areas end-to-end, drive sound engineering decisions in ambiguous problem spaces, and build platforms that improve the speed, safety, and trustworthiness of experimentation company-wide. This position is ideal for engineers who combine strong execution with technical judgment, enjoy working across backend and data system boundaries, and aim to raise the quality bar for an internal platform used by many teams.
Requirements
- 5+ years of professional software engineering experience in a production environment.
- Strong hands-on experience in backend systems, data infrastructure, distributed systems, or other relevant platform areas.
- Proven ability to independently drive technical projects from problem definition through production rollout in ambiguous problem spaces.
- Strong engineering judgment in system design, operational reliability, maintainability, and cross-functional execution.
- Bachelor's degree in Computer Science, Computer Engineering, or equivalent practical experience.
Nice To Haves
- Experience designing and implementing experimentation platforms, A/B testing systems, feature flagging systems, or dynamic configuration platforms.
- Experience owning platform or infrastructure systems used by multiple engineering teams.
- Experience working with analytical data systems, metrics pipelines, or data quality and correctness challenges.
- Familiarity with advertising, mobile product ecosystems, or performance-driven product environments.
Responsibilities
- Lead the design and implementation of major components across experiment management services, configuration delivery systems, and analysis pipelines.
- Own technical decisions for platform areas that require balancing correctness, reliability, performance, and ease of adoption.
- Improve the trustworthiness of experimentation by strengthening system design, observability, data quality, and operational standards.
- Partner closely with engineers, data scientists, statisticians, and stakeholders to turn ambiguous requirements into scalable platform capabilities.
- Mentor other engineers through design discussions, code reviews, and pragmatic technical leadership.
Benefits
- Medical insurance
- Dental insurance
- Vision insurance
- 401(k) plan with company match
- Short-term disability coverage
- Long-term disability coverage
- Basic life insurance
- Well-being benefits and perks
- Up to 12 scheduled paid holidays per calendar year
- One Thrive Day off per quarter
- Flexible Time Off (FTO)
- Bonus and equity awards (eligibility and amounts determined by performance and plan terms)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Number of Employees
251-500 employees
