{"id":6248,"url":"https://alion.io/job/perplexity-ai-internship-search-backend-infra-engineer","title":"Internship - Search Backend Infra Engineer","company":{"id":3,"name":"Perplexity AI","domain":"perplexity.ai","url":"https://alion.io/company/perplexity","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":80,"open_postings":34,"ghost_share":0,"stale_share":0.794,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-10-27T05:46:45Z"}},"role":"DevOps","role_family":"DevOps","seniority":"intern","employment_type":"internship","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"Perplexity","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-07-01T12:19:30Z","employer_posted_date":"2026-07-01","last_verified_at":"2026-10-28T02:03:38Z","board_verified":true,"closed_at":null,"days_open":118,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":118},"description":"Perplexity is looking for a Backend/Infrastructure Engineer Intern to support our small, high-impact team building the systems that power our search experience. You will work closely with experienced engineers to help design, build, and operate robust infrastructure and backend services that keep Perplexity fast, reliable, and scalable.\nInternship program: 12 - 24 weeks, full-time, part-time, in-person in the Belgrade office.\nResponsibilities:\nBuild and maintain infrastructure that supports high-performance search systems, with mentorship from senior engineers.\n\nDesign internal tools and automation to improve developer workflows and operational efficiency.\n\nSupport the design, deployment, and monitoring of cloud-native systems on AWS.\n\nContribute to improving CI/CD pipelines, testing infrastructure, and release processes.\n\nDebug and optimize Linux-based services, containers, and backend systems.\n\nContribute to product codebases, primarily using Rust, Go or C++.\n\nQualifications:\nWorking towards a degree in Computer Science, Engineering, or a related field, or equivalent practical experience.\n\nFamiliarity with at least one programming language such as Go, Rust, or C/C++, through coursework or projects.\n\nBasic understanding or exposure to cloud infrastructure (e.g. AWS) and Linux systems is a plus, not a requirement.\n\nInterest in infrastructure, distributed systems, or backend engineering, with willingness to learn about CI/CD, monitoring, and performance.\n\nA proactive and curious learner who enjoys collaborating in a fast-paced, innovative environment\n\nWhat we're looking for:\nYou’ve built something you’re proud of: Not just a class assignment - we want to see a project you genuinely cared about and took the initiative to build and finish.\n\nYou’re currently enrolled at a Serbian university: Bachelor’s, Master’s, or PhD program or you’re self-taught with a strong passion for software engineering and technology.\n\nYou’re curious, persistent, and self-driven: you take ownership, work through challenges, and follow through on what you start.\n\nYou’re eager to learn and improve: you’re willing to put in the work, develop your skills, and get better every week.\n\nYou’re comfortable working in English: in a collaborative, professional environment.\n\nYou thrive in a high-performance environment: you’re comfortable with high standards, direct feedback, and a fast pace.\n\nYou’re willing to challenge and be challenged: You’re comfortable asking questions, sharing your perspective, and pushing back constructively when it matters.","description_format":"text","description_chars":2555,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Serbia","iso":"RS","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["LLM & Generative AI","Search Engines","Foundation Models","AI Search"],"lifecycle":[{"event":"open","at":"2026-07-01T12:19:30Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.335,"p_room":0.28,"age_days":117,"expected_fill_days":52,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/perplexity-ai-internship-search-backend-infra-engineer","json_url":"https://alion.io/job/perplexity-ai-internship-search-backend-infra-engineer.json","meta":{"generated_at":"2026-10-28T02:57:16Z","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":3938,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":3},"rest":"https://alion.io/mcp/rest/get_company?id=3"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fperplexity-ai-internship-search-backend-infra-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%2Fperplexity-ai-internship-search-backend-infra-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%2Fperplexity-ai-internship-search-backend-infra-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/perplexity-ai-internship-search-backend-infra-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fperplexity-ai-internship-search-backend-infra-engineer"}]}