{"id":456796,"url":"https://alion.io/job/braiins-product-discovery-prototyping-engineer","title":"Product Discovery & Prototyping Engineer","company":{"id":175522,"name":"Braiins","domain":"braiins.com","url":"https://alion.io/company/braiins","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Product","role_family":"Product","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Prague, Czech Republic"],"countries":["CZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":100000,"period":"year","method":"role_country_seniority_unknown","sample_n":17},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bitcoin","optional":false},{"name":"SQL","optional":false},{"name":"Figma","optional":true},{"name":"Git","optional":true},{"name":"Python","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-07-13T14:47:09Z","employer_posted_date":"2026-07-13","last_verified_at":"2026-10-31T10:12:02Z","board_verified":true,"closed_at":null,"days_open":109,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":109},"description":"What awaits you here:\nAs a Product Discovery & Prototyping Engineer, you will help us quickly explore, validate, and shape new product ideas across Braiins Pool, Hashpower, and related products. You will work as a close partner to the product owner, turning business ideas, user problems, requirements, and early designs into clear specifications, experiments, clickable or functional prototypes, and validated product proposals.\nThis role combines analytical thinking, product discovery, data analysis, requirements definition, communication with design and engineering teams, and AI-assisted prototyping. You do not need to be a full-time production developer from day one, but you should be comfortable learning technical tools, using AI responsibly, and building lightweight prototypes that help us decide what is worth building properly.\nDo you wanna know more about Braiins? Check our Cocuma profile!\nKey Responsibilities:\nWork closely with the product owner to explore, structure, and validate new product and feature ideas.\n\nTranslate business goals, customer problems, and stakeholder input into functional and non-functional requirements.\n\nCreate product discovery materials such as problem statements, user stories, acceptance criteria, flows, edge cases, validation plans, and decision records.\n\nUse AI-assisted development and prototyping tools to create quick experiments, mockups, clickable prototypes, scripts, dashboards, or lightweight functional prototypes.\n\nCooperate with design, backend, frontend, QA, support, and data-oriented stakeholders to clarify feasibility, user value, expected impact, and operational consequences.\n\nHelp verify product viability before full engineering investment: user value, complexity, dependencies, supportability, risks, and measurable success criteria.\n\nQuery and interpret data from telemetry databases to help to validate ideas.\n\nDocument findings clearly so engineering teams can continue from validated discovery into implementation.\n\nActively improve our discovery and prototyping process, including reusable templates, AI-assisted workflows, and feedback loops.\n\nUse AI tools responsibly to accelerate research, implementation, testing, documentation, automation, and delivery while keeping strong human ownership, review, security, and production quality\n\nWe are looking for someone with:\nMid/Senior experience in product analysis, business & data analysis, product ownership, requirements engineering, technical analysis.\n\nStrong analytical thinking and ability to structure ambiguous ideas into clear problems, requirements, assumptions, and next steps.\n\nExperience defining functional and non-functional requirements, acceptance criteria, user flows, edge cases, and product validation approaches.\n\nAbility to communicate with product, design, engineering, QA, support, and business stakeholders.\n\nAbility to query SQL-like queries and interpret data.\n\nComfort working with technical products where product decisions must consider data flows, operational behavior, constraints, and customer workflows.\n\nInterest in learning AI-assisted prototyping, lightweight coding, scripting, or no-code/low-code tools if you do not already use them.\n\nStrong ownership, curiosity, and ability to move quickly without losing clarity or discipline.\n\nWillingness to understand Bitcoin mining, pool operations, hashpower products, and customer workflows.\n\nNice to have:\nPrevious experience with product discovery, technical product management, UX collaboration, or early-stage feature validation.\n\nExperience creating prototypes, internal tools, scripts, dashboards, clickable mockups, or AI-assisted proofs of concept.\n\nExperience with SQL, APIs, data analysis, Figma, Git, Python, TypeScript, or similar tools.\n\nExperience with Bitcoin, cryptocurrencies, mining, fintech, trading, infrastructure, or B2B technical products.\n\nAbility to connect qualitative user feedback with quantitative signals and product metrics.\n\nWhat we offer to you:\nFull-time position with flexible working hours.\n\nBoth possibilities to work as an Employee or Freelance.\n\nIndefinite agreement.\n\nFor employees 5 weeks of vacation and 3 sick days.\n\nCompany events, and occasional brunches in the office.\n\nRelaxing room, a shower, and a shared parking spot.\n\nModern offices in the center of Prague, Czech Republic - the heart of Europe.\n\nWe will love you even more if…\nYou can move from vague idea to clear prototype or requirement quickly.\n\nYou enjoy connecting product thinking with technical feasibility.\n\nYou have used AI tools for analysis, prototyping, requirements, or coding assistance.\n\nYou are interested in Bitcoin, mining, or technical products with real operational users.\n\nDo you want know more about Braiins? Check our Cocuma profile!","description_format":"text","description_chars":4770,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events","Flexible schedule"],"hiring_locations":[{"name":"Czech Republic","iso":"CZ","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Mining & Staking"],"lifecycle":[{"event":"open","at":"2026-09-06T09:54:32Z"}],"visa":[],"liveness":{"score":22,"band":"cold","label":"Long shot","p_open":1,"p_active":0.495,"p_room":0.44,"age_days":109,"expected_fill_days":75,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/braiins-product-discovery-prototyping-engineer","json_url":"https://alion.io/job/braiins-product-discovery-prototyping-engineer.json","meta":{"generated_at":"2026-10-31T10:13:17Z","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":15578,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":175522},"rest":"https://alion.io/mcp/rest/get_company?id=175522"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbraiins-product-discovery-prototyping-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%2Fbraiins-product-discovery-prototyping-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%2Fbraiins-product-discovery-prototyping-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/braiins-product-discovery-prototyping-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbraiins-product-discovery-prototyping-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":456796}},{"tool":"search_jobs","arguments":{"company":"braiins.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":456796},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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