{"id":2499175,"url":"https://alion.io/job/rounds-full-stack-developer","title":"Full Stack Developer","company":{"id":2355892,"name":"Rounds","domain":"rounds.com","url":"https://alion.io/company/rounds","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Comeet","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Yerevan, Armenia"],"countries":["AM"],"hiring_countries":["AM"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":21000,"max_usd":63000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"Claude","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"LLM","optional":false},{"name":"MySQL","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"RAG","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Fine-tuning","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-12T09:51:46Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-15T23:47:11Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Description\nFull Stack (Backend focused) Engineer\n[Freelance, Full-time, Remote]\nSNEAK PEEK\n⇨ Location: Remote, GMT+0/GMT+4\n⇨ Interview process: HR interview + take-home challenge ⇨ Technical Interview ⇨ Final Interview\nWHO ARE WE?\nAt Rounds, we believe in harnessing the power of cutting-edge technology to drive business success. Our transformative, AI technology identifies and optimizes mobile assets, while our team of experts, with their unparalleled human capital and business acumen, provides the strategic direction and support to turn mobile assets into profitable businesses. Together, we are revolutionizing the mobile industry. You can find out more info about us here: www.rounds.com.\nTHE ROLE\nThis is a backend-focused Full-Stack Engineering role to architect complex core platform systems and expand internal tools. It involves shipping production-grade server-side features in Go while contributing to the React frontend to deliver complete end-to-end features.\nYou will design and deploy production AI/LLM functionality directly into our product ecosystem while leveraging AI tools day-to-day to accelerate development\nResponsibilities\nArchitect, build, and maintain scalable backend services and core platform systems in Go and NodeJS/TS.\nDesign and ship production-grade AI/LLM integrations, intelligent features, and internal tools.\nDevelop intuitive, responsive user interfaces in React to deliver complete end-to-end functionality.\nUtilize modern AI tools and agents (such as Cursor, Claude, and GitHub Copilot) to accelerate daily coding, testing, and system design.\nCollaborate closely with team members to assess architecture risks, estimate timelines, and optimize system performance.\nHiring manager: Tal Cohen (Linkedin)\nRequirements\nWHAT ARE WE LOOKING FOR?\nMust-have:\n5+ years of commercial experience building and running large-scale, production systems\n3+ years of production experience with Go/NodeJS/TS on the backend - or strong production experience with another backend language (e.g. Java, C#) \nHands-on production experience building AI/LLM-powered features into a product (e.g. RAG pipelines, agentic workflows, LLM API integrations, prompt-driven features) - not just personal experimentation.\nWorking proficiency in React (or a similar modern UI framework) and comfort moving between frontend and backend code as needed\nExperience with cloud platforms and their core services (AWS, GCP, or similar)\nExperience with at least two of the following: MySQL, PostgreSQL, MongoDB (or other NoSQL DB), Redis\nExcellent written and verbal communication skills in English\nNice-to-have:\nExperience with broader ML/data science technology beyond LLM-based features\nExperience fine-tuning models or working with model evaluation/observability tooling, building harnesses.\nPrior contributions to open-source projects or libraries\nINTERESTED?\nOur recruitment process consists of the following steps:\n HR Interview (30 min) - Discuss your background and fit.\n Take-Home Challenge (~2 hours of work) - Practical assignment reflecting real work.\n Technical Interview (60 min) - Evaluate project, AI and software development skills.\n Final Interview (60 min)\nGet in touch at .\nWe look forward to hearing from you!","description_format":"text","description_chars":3248,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Armenia","iso":"AM","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Machine Learning"],"lifecycle":[{"event":"open","at":"2026-10-14T05:29:45Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":29,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/rounds-full-stack-developer","json_url":"https://alion.io/job/rounds-full-stack-developer.json","meta":{"generated_at":"2026-10-16T02:17:22Z","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":3559,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":2355892},"rest":"https://alion.io/mcp/rest/get_company?id=2355892"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frounds-full-stack-developer"},{"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%2Frounds-full-stack-developer"},{"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%2Frounds-full-stack-developer"},{"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/rounds-full-stack-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frounds-full-stack-developer"}]}