--- title: 'Staff Software Engineer at Liftoff' canonical: 'https://feeny.ai/job/staff-software-engineer-liftoff-london-vdbsgr9tjxx3' type: 'job' last_seen: '2026-10-13' --- # Staff Software Engineer at Liftoff - **Company:** Liftoff - **Location:** London, United Kingdom - **Posted:** 2026-09-28 - **Last confirmed live:** 2026-10-13 - **Apply:** https://liftoff.io/job/8236493?gh_jid=8236493 ## Job description Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while enabling publishers to maximize revenue across programmatic and direct demand. Liftoff’s solutions, including Accelerate, Direct, Monetize, Intelligence, and Vungle Exchange, support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance, ecommerce, and entertainment. Founded in 2012 and headquartered in Redwood City, CA, Liftoff has a diverse, global presence. About this team: At Liftoff, the View Master team plays a crucial role in the company's success. Our team builds mobile SDKs (iOS, Android, Windows), and systems that connect Liftoff’s publishers with advertisers, managing applications, campaigns, and creatives that feed into our ad serving pipeline. We create innovative advertisements viewed by millions daily, ensuring a seamless user experience and optimizing ad performance.  We're a group of innovative engineers who leverage the latest technology to develop efficient and scalable systems. If you're passionate about building and scaling low-latency, high-throughput systems, we'd be delighted to speak with you! Responsibilities: - Own the technical direction for new ad format development in the SDK, driving decisions on native/web architecture and cross-platform compatibility without needing detailed direction - Independently scope and lead ambiguous, cross-team initiatives from problem definition through rollout — e.g., overhauling automation quality and creative/SDK interoperability - Drive multi-quarter improvements to system efficiency, reliability, and rendering performance, owning tradeoffs between short- and long-term solutions - Set and evangelize testing strategy and standards (unit, integration, automated) across the team, not just execute against existing practices - Design and drive experimentation and canary-release strategy for ad unit performance, including recommending which approaches to pursue - Technically lead and mentor other engineers on the team, including guiding junior/mid-level engineers' project work and growth (not just informal mentorship) - Represent the team in cross-functional and roadmap discussions, influencing prioritization and scope rather than only attending for alignment - Uphold and help define the team's engineering bar for code quality, security/privacy, cost efficiency, and production hygiene (oncall, monitoring, documentation) - Contribute to hiring and leveling: participate in interviews, help hold the technical bar for the role Requirements: - Bachelor’s degree in Computer Science or related fields and 6 years of relevant experience - Deep expertise in JavaScript (ES6+), CSS preprocessors, and HTML5, with demonstrated ability to make architectural decisions in this stack - Experience working in and helping shape Agile processes for a team - Strong communication skills, including the ability to influence technical direction across engineering and product without formal authority Nice to Have: - Previous AdTech experience is highly valued - Experience developing mobile applications - Advanced automated testing strategies using tools such as AWS Device Farm, iOS and Android simulators, Playwright, Selenium, etc. Location: This role is eligible for remote or hybrid work out of our London office. Travel Expectations: We offer several opportunities for in-person team gatherings, including but not limited to project meetings, regional meet-ups, and company-wide events. We expect our employees to attend these gatherings at least once per quarter. These gatherings provide essential opportunities for collaboration, communication, and team building. Compensation: Liftoff offers all employees a full compensation package that includes equity and health/vision/dental benefits associated with your country of residence. Base compensation will vary based on the candidate's location and experience. ## #LI-REMOTE ## #LI-NM1 Liftoff offers a fast-paced, collaborative, and innovative work environment where employees are empowered to grow and make an impact. We’re shaping the future of the mobile app ecosystem—join us and help accelerate what’s next. Liftoff’s compensation strategy includes competitive salaries, equity, and benefits designed to support employee well-being and performance. We benchmark compensation based on role, level, and location to ensure fairness and market alignment. Benefits may include medical coverage, wellness stipends, and additional perks based on your country of residence. Liftoff is an equal opportunity employer. We are committed to creating an inclusive environment for all employees and applicants regardless of race, ethnicity, national origin, age, marital status, disability, sexual orientation, gender identity, religion, veteran status, or any other characteristic protected by applicable law. Agency and Third Party Recruiter Notice: Liftoff does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or Recruiting Team. All candidates must be submitted via our Applicant Tracking System by approved Liftoff vendors who have been expressly requested to make a submission by our Recruiting Team for a specific job opening. No placement fees will be paid to any firm unless such a request has been made by the Liftoff Recruiting Team and such a candidate was submitted to the Liftoff Recruiting Team via our Applicant Tracking System. ## About Liftoff ## Company Overview - **One-liner**: Liftoff is an AI-powered performance marketing platform that helps mobile app businesses acquire, engage, and monetize users through a full-stack growth acceleration platform. - **Entity Type**: Public (NYSE: LFTO) - **Headquarters**: Redwood City, California, USA - **Founded**: 2012 - **Founders**: Not publicly listed (company was co-founded by a team; specific founder names are not disclosed on the company site) ## Core Business - **Primary industry/industries**: Mobile advertising, performance marketing, adtech, programmatic advertising, mobile app analytics - **Target customers**: B2B – mobile app marketers, publishers, and advertisers across gaming, social, finance, ecommerce, and entertainment sectors - **Mission or purpose statement**: “Connect people to the mobile apps and tools they love” ## Products & Services - **Accelerate** (SaaS): ML-powered user acquisition platform that helps advertisers attract and engage high-value users at scale. - **Monetize** (SaaS): Revenue optimization platform for publishers to maximize earnings through premium demand and superior ad experiences. - **Vungle Exchange** (Platform): Programmatic exchange that increases reach for performance-driven ad experiences across mobile apps. - **Intelligence** (SaaS): Analytics suite (including GameRefinery and AppRefinery) that provides app insights to boost revenue, drive growth, and stay competitive. - **Creative** (Service/Technology): Ad creative production and optimization using innovative strategies and first-party data. All products are powered by **Cortex™**, Liftoff’s AI-enabled growth platform using advanced neural-network technology. ## Market Standing - **Valuation/Market Cap**: Not disclosed in available sources (public company; refer to SEC filings for current market cap) - **Key Metric**: Annual revenue not publicly available from search results; total funding not applicable (public company). Notable: supports over 6,600 mobile businesses across 74 countries. - **Notable Investors/Partners**: Merged with Vungle in 2021, creating one of the world’s largest independent privacy-friendly platforms. Prior to going public, Liftoff was backed by institutional investors (specific names not listed in search results). - **Growth Signals**: - Headcount of 645 employees (235 in product + tech) as of latest data. - Global presence with offices in Redwood City, London, Berlin, Paris, Singapore, Beijing, Helsinki, Seoul, New York, Los Angeles. - Public listing (ticker LFTO) indicates maturity and market confidence. ## Competitive Advantages - **AI-first platform**: Cortex AI is embedded in all products, using neural networks to unlock patterns from massive datasets for data-driven ROI. - **End-to-end stack**: Covers the entire mobile app lifecycle – user acquisition, engagement, monetization, and analytics – reducing the need for multiple vendors. - **Scale and independence**: Post-merger with Vungle, Liftoff is one of the largest independent ad platforms, with a publisher base of 100,000+ active apps and an advertiser base of 4,500+ companies. - **Privacy-friendly**: Emphasis on privacy-compliant solutions in a rapidly changing regulatory environment. ## Strategic Focus - Expanding AI and machine learning capabilities across all products (e.g., conversion ML, ML platform). - Deepening global reach with hubs in key markets (APAC, EMEA, Americas). - Continuing to integrate Vungle’s assets and drive cross-sell between Accelerate, Monetize, and Intelligence. - Investing in creative technology and programmatic exchange growth. ## Why Work Here - **Culture**: Emphasizes data-driven decision-making, agency and urgency, collaboration (“in this together”), and a growth mindset. Employees are encouraged to experiment and learn from failure. - **Work environment**: Remote-first company with global hubs for purposeful in-person collaboration. Flexible remote work options available across many roles. - **Benefits**: - Unlimited time off - Stock options - 401(k) / pension plans with matching - Healthcare (health, dental, vision) - Connectivity stipend (mobile phone and home internet) - Lifestyle stipend (health, wellness, pet, groceries) - Professional development support - Office snacks and fun team gatherings - **Diversity & inclusion**: Offices across 10+ locations worldwide; values diverse perspectives. ## Sources 1. [liftoff.ai](https://www.liftoff.ai/) 2. [liftoff.ai/company](https://www.liftoff.ai/company/) 3. [liftoff.ai/company/careers](https://liftoff.ai/company/careers/) 4. [liftoff.ai/company/careers/jobs](https://liftoff.ai/company/careers/jobs/) 5. 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