{"id":831092,"url":"https://alion.io/job/zefr-senior-software-engineer","title":"Senior Software Engineer","company":{"id":689429,"name":"ZEFR","domain":"zefr.com","url":"https://alion.io/company/zefr","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Marina, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Apache Kafka","optional":false},{"name":"ArgoCD","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Dask","optional":false},{"name":"Docker","optional":false},{"name":"ElasticSearch","optional":false},{"name":"GCP","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Kubernetes","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Multimodal AI","optional":false},{"name":"Pandas","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Snowflake","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-07-23T16:37:53Z","employer_posted_date":"2026-07-23","last_verified_at":"2026-10-05T23:59:10Z","board_verified":true,"closed_at":null,"days_open":74,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":74},"description":"What we do:\nZefr is the leader in AI-powered content classifications for brands and advertisers. Zefr's platform is purpose built for multi-modal content understanding on open platforms like YouTube, TikTok, Meta and Snap, with pre-bid activation and verification solutions. Our products safeguard media and AI investments, while maximizing performance and efficacy on those channels.\nHeadquartered in Los Angeles with global offices across New York, Chicago, London, Toronto, Singapore, and more, Zefr is redefining what trust and transparency means for social media in the age of AI.\nWhat you'll do:\nWe are hiring a Senior Software Engineer to own the design, implementation, and operation of microservices running in Kubernetes and other cloud-scalable, highly available environments. In this role you will build and run the production systems that power Zefr's platform at scale, and you will use AI fluently - for coding, research, and problem-solving - as a core part of how you work. Success in this position looks like a self-starter who takes ambiguous problems from design through production, operates what they build, and raises the engineering bar for the team through strong collaboration and clear communication.\nOwn the design and implementation of microservices, and run and operate them in Kubernetes and other cloud-scalable, highly available environments.\n\nDesign systems for scale, reliability, and high availability, and take accountability for the operational health of owned services, including observability, alerting, and incident response.\n\nUse AI tools for coding and research as a daily part of the engineering workflow, and help the team adopt effective AI-assisted development practices.\n\nCollaborate with product, ML, and infrastructure teams to translate requirements into robust technical designs.\n\nContribute to architectural decisions, design reviews, and engineering standards across the platform.\n\nMentor other engineers and communicate technical direction clearly to technical and non-technical stakeholders.\n\nLanguages: Python Data stores: Snowflake, Elastic Search, PostgreSQL Data processing: Apache Kafka, Dask, Pandas DevOps: Github Actions, Docker, Terraform, Kubernetes, ArgoCD, AWS/GCP\nWhat we're looking for:\nBachelor's or Master's degree in Computer Science or related field with 5+ years of professional software engineering experience\n\nDeep hands-on experience designing, building, running, and operating microservices in Kubernetes and cloud environments (GCP, AWS, or Azure)\n\nProficiency using AI for coding and research as a daily productivity multiplier (e.g., Claude Code, Copilot, Cursor)\n\nStrong foundation in distributed systems, API design, data structures, algorithms, and software design\n\nThorough testing and code review standards/practices\n\nSelf-starter who identifies problems, proposes solutions, and drives them to completion with minimal direction\n\nStrong collaboration skills and strong verbal and written communication skills\n\nBig plus: proficiency with LLMs, MCP (Model Context Protocol), agent-gateway, and agentic infrastructure\n\nBenefits (for US based employees):\nFlexible PTO\n\nMedical, dental, and vision insurance with FSA options\n\nCompany-paid life insurance\n\nPaid parental leave\n\n401(k) with company match\n\nProfessional development opportunities\n\n10+ paid holidays off\n\nSummer Fridays (we leave early)\n\nHybrid work: 2 days in our Marina del Rey office, 3 days remote\n\nIn-office lunches and lots of free food\n\nOptional in-person and virtual events (we like to celebrate!)\n\nCompensation (for US based employees):\nThe anticipated salary for this position is between $180K and $200K. Within the range, individual pay is determined by factors such as job-related skills, experience, and relevant education or training. If your compensation expectations fall outside of this range, it may still be worth having a conversation.\nZefr is an equal opportunity employer that embraces diversity and inclusion in the workplace. We are committed to building a team that represents a variety of backgrounds, skills, and perspectives because we know this only makes us better. We strongly encourage women, persons of color, LGBTQIA+ individuals, persons with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply even if you do not meet 100% of the qualifications.","description_format":"text","description_chars":4361,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Life insurance","Parental leave","Professional development","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-12T16:41:40Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 5 · green card filings: 6","filings_12m":5,"filings_prev_12m":4,"green_card_filings_12m":6,"median_offered_wage_usd":168864,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":3}],"liveness":{"score":24,"band":"cold","label":"Long shot","p_open":1,"p_active":0.678,"p_room":0.36,"age_days":73,"expected_fill_days":45,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-05T05:45:15Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/zefr-senior-software-engineer","json_url":"https://alion.io/job/zefr-senior-software-engineer.json","meta":{"generated_at":"2026-10-06T01:33:54Z","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","counted_by":"address","units_charged":1,"used_today":2203,"day_limit":5000,"remaining_today":2797,"minute_limit":60,"resets_at":"2026-10-07T00:00:00Z"}},"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":689429},"rest":"https://alion.io/mcp/rest/get_company?id=689429"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fzefr-senior-software-engineer"},{"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%2Fzefr-senior-software-engineer"},{"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%2Fzefr-senior-software-engineer"},{"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/zefr-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fzefr-senior-software-engineer"}]}