{"id":1669455,"url":"https://alion.io/job/viant-staff-software-engineer-ad-serving","title":"Staff Software Engineer - Ad Serving","company":{"id":685548,"name":"Viant","domain":"viantinc.com","url":"https://alion.io/company/viantinc","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":81,"open_postings":9,"ghost_share":0,"stale_share":0.556,"repost_share":0,"time_to_fill_p50_days":64,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Irvine, United States","Los Angeles, United States","Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":160000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon EC2","optional":true},{"name":"Amazon S3","optional":true},{"name":"AWS","optional":true},{"name":"AWS Lambda","optional":true},{"name":"GCP","optional":true},{"name":"MySQL","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-10-01T18:12:29Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-17T23:15:34Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"WHAT YOU’LL DO\nAs a Staff Software Engineer on our Runtime team, you will work directly with Viant’s ad server, managing a high-volume, low-latency application that processes billions of unique requests a day. This role offers a great opportunity to work with state-of-the-art technology as part of bid optimization, dynamic performance optimization, as well as develop a self-diagnostic and healing architecture. In this role, you will deliver simple, elegant, scalable, extensible solutions that strike the right balance between short-term and long-term considerations. You will design, develop, maintain and trouble software features with an eye on cost, scalability, performance and fault-tolerance. You will participate in design discussions, code reviews and bug triage / Root Cause Analysis (RCA) sessions. You will have the opportunity to be the technical lead of projects that involve 2-3 other engineers.\nPrimarily supporting Viant’s Demand Side Platform, VIANT DSP, you will collaborate with Product, other Engineering and Technical operations teams on the entire lifecycle from ideation to productization and beyond.\nTHE DAY-TO-DAY\nDrive the development and continuous improvement of existing projects while shaping the vision and scope of future initiatives.\nCollaborate with internal teams to design, build, and refine a highly reliable, highly available, low-latency runtime platform.\nOwn and provide technical leadership for multiple subsystems of the runtime platform, ensuring scalability, performance, and fault tolerance.\nOversee and guide all phases of the software development lifecycle, from design to deployment, with a focus on delivering high-impact solutions.\nMUST HAVE\n8+ years of professional experience in the software industry. \nGREAT TO HAVE\nBachelor’s degree in Computer Science, Mathematics, or a related field (Master’s degree preferred).\nProficiency in GoLang\nExpertise in designing, building, and delivering high-quality, scalable, and high-performance distributed systems, including developing detailed design specifications.\nExperience with relational databases (e.g., MySQL, Oracle, or SQL Serve r), including writing SQL.\nFamiliarity with cloud-based technologies, especially AWS (e.g., EC2, S3, Lambda, RDS) and GCP.\nKnowledge of multithreading, concurrency, and low-latency application development.\nProven ability to identify and resolve project issues effectively and in a timely manner.\nExperience in the AdTech domain is preferred.\nLIFE AT VIANT\nInvesting in our employee’s professional growth is important to us, but so is investing in their well-being. That’s why Viant was voted one of the best places to work and some of our favorite employee benefits includefully paid health insurance, paid parental leave and unlimited PTO and more. \nBase compensation range: $160,000 - $200,000\nIn accordance with California law, the range provided is Viant’s reasonable estimate of the compensation for this role. Final title and compensation for the position will be based on several factors including work experience and education.\nAbout Viant\nViant Technology (NASDAQ: DSP) is an exclusively buy-side, AI-powered advertising platform purpose-built for CTV. Viant uniquely combines proprietary content intelligence, household-level identity resolution, and person-level attention signals to connect advertisers with real customers and drive measurable outcomes across the open internet. Through its award-winning AI solutions, Viant is building the future of autonomous advertising, where AI doesn't just assist the campaign, it delivers real results. Learn more at viantinc.com.\nViant is an equal opportunity employer and makes employment decisions on the basis of merit. Viant prohibits unlawful discrimination against employees or applicants based on race (including traits historically associated with race, such as hair texture and protective hairstyles), religion, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, reproductive health decision making, gender, gender identity, gender expression, age, military status, veteran status, uniformed service member status, sexual orientation, transgender identity, citizenship status, pregnancy, or any other consideration made unlawful by federal, state, or local laws. Viant also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.\nBy clicking “Apply for this Job” and providing any information, I accept the Viant California Personnel Privacy Notice.","description_format":"text","description_chars":4692,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Health insurance","Parental leave","Unlimited PTO"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Advertising","Marketing & Sales AI"],"lifecycle":[{"event":"open","at":"2026-10-02T06:23:21Z"}],"visa":[],"liveness":{"score":84,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.839,"p_room":1,"age_days":15,"expected_fill_days":64,"reasons":["conf:1","win:early"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":false},"html_url":"https://alion.io/job/viant-staff-software-engineer-ad-serving","json_url":"https://alion.io/job/viant-staff-software-engineer-ad-serving.json","meta":{"generated_at":"2026-10-18T00:43:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1248,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":685548},"rest":"https://alion.io/mcp/rest/get_company?id=685548"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fviant-staff-software-engineer-ad-serving"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fviant-staff-software-engineer-ad-serving"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fviant-staff-software-engineer-ad-serving"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/viant-staff-software-engineer-ad-serving\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fviant-staff-software-engineer-ad-serving"}]}