{"id":2949204,"url":"https://alion.io/job/bitcoin-suisse-senior-python-developer-quantitative-trading-systems","title":"Senior Python Developer – Quantitative Trading Systems","company":{"id":54274,"name":"Bitcoin Suisse","domain":"bitcoinsuisse.com","url":"https://alion.io/company/bitcoin-suisse","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"onlyfy","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bratislava, Slovakia"],"countries":["SK"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":79000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":15},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bitcoin","optional":false},{"name":"Python","optional":false},{"name":".NET","optional":true},{"name":"C#","optional":true}],"status":"live","first_seen_at":"2026-10-20T19:28:42Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-23T09:42:49Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Bitcoin Suisse stands for premium crypto financial services for institutional clients, crypto foundations, family offices, asset managers, and high-net-worth individuals. Established in Zug in 2013 by crypto-native experts, Bitcoin Suisse today unites more than 200 professionals across Switzerland, the European Economic Area, the United Arab Emirates and Bermuda.\nSenior Python Developer - Quantitative Trading Systems\nJoin Our Wealth Management Team\nOur Wealth Management team combines investment expertise with technology to deliver crypto investment solutions. We are developing the systems that connect quantitative research, portfolio management and trading execution, turning investment strategies into reliable, controlled and transparent portfolio actions.\nThese systems bring together market data, strategy signals, portfolio positions and collateral information to determine trading instructions and pass them to our Trading and Order Management System (OMS) infrastructure for execution. Reliability, security and traceability are central to this work.\nIf you are passionate about building production-grade Python systems at the intersection of quantitative investing and digital assets, we would love to hear from you.\nWe are seeking a highly skilled Senior Python Developer with a strong background in software engineering, distributed systems and trading workflows to join our Wealth Management team.\nIn this role, you will translate quantitative research and investment requirements into robust, maintainable production applications. You will develop the services connecting strategy computation, portfolio positioning and downstream execution, ensuring that investment decisions are implemented accurately and safely.\nYou will work closely with quant analysts, portfolio managers, data engineers, infrastructure specialists and the Trading/OMS team. Your primary focus will be Python application development and integration, collaborating with dedicated colleagues responsible for data pipelines, infrastructure and order execution.\nYou will have the following responsibilities\nDevelop production-grade Python applications that translate research code and quantitative signals into reliable, maintainable services.\n\nDesign modular, distributed workflows connecting data availability, strategy computation, portfolio positioning and trading instructions through asynchronous processing and event-driven architectures.\n\nImplement portfolio-level trading logic using current positions, target exposures, collateral and account configurations, including rebalancing and derivatives-related requirements.\n\nIntegrate with trading platforms and external APIs to retrieve account, position and collateral information, handling authentication, inconsistent data and external-system failures.\n\nMaintain a clear separation between investment and execution decisions, coordinating interfaces with the Trading/OMS team.\n\nBuild operational safeguards against duplicate or excessive trading, including frequency limits, cooldown periods and safe handling of stale inputs, maintenance windows and execution uncertainty.\n\nEnsure monitoring and auditability through decision and execution logs that explain why the system acted-or did not act-and support troubleshooting across workflows.\n\nMaintain engineering quality and security through automated testing, code reviews, documentation, robust error handling, approved secret management and appropriate separation of test, QA and production environments.\n\nCollaborate across investment and technology teams to preserve strategy logic, resolve data dependencies and support releases and operational incidents.\n\nDevelop configuration tools and dashboards to support strategy and portfolio setup, workflow activation and visibility into signals, positions and execution decisions.\n\nWhat you bring along\nRequired Skills & Qualifications\nStrong production-grade Python engineering experience, including converting research or prototype code into tested, documented and maintainable applications.\n\nExperience with distributed systems and software architecture, including modular services, asynchronous processing, message queues, orchestration and concurrency.\n\nSound understanding of trading-system workflows, from market data and strategy signals through portfolio sizing, order submission and execution.\n\nKnowledge of portfolio positioning and collateral management, including target versus actual exposure, rebalancing and derivatives mechanics.\n\nHands-on experience integrating external APIs, including authentication, account-state interpretation and resilient handling of failures or inconsistent data.\n\nExperience implementing operational controls and monitoring for systems where incorrect, duplicate or delayed actions can have financial consequences.\n\nUnderstanding of secure application integration, including credential protection, secret management and environment separation.\n\nAbility to translate investment requirements into technical solutions and explain complex system behaviour clearly to non-technical stakeholders.\n\nStrong collaboration skills and the ability to work effectively across investment, engineering, infrastructure and trading teams.\n\nExcellent communication skills in English.\n\nPreferred Qualifications\nExperience implementing quantitative strategies and indicators such as moving averages, Bollinger Bands and MACD while preserving the underlying investment logic.\n\nPractical knowledge of crypto spot markets, futures and perpetuals, including long, short and hedged positioning, exchange conventions and collateral arrangements.\n\nFamiliarity with Talos, including its APIs, account and portfolio structures, account states and integration with downstream execution systems.\n\nUnderstanding of market-data pipelines, aggregation, completeness and timeliness, and their impact on strategy computation.\n\nExperience building configuration tools and operational dashboards for investment or trading workflows.\n\nFamiliarity with C# / .NET interoperability; hands-on C# development experience is an advantage but not a primary requirement.\n\nUnderstanding of deployment, release management and production support in collaboration with dedicated infrastructure specialists.\n\nWhat we offer\nExpertise: Work with crypto native experts\nCulture: Positive and supportive team culture that relies on common goals, ambitions and values \nActivities: Regular team events and activities \nOwnership: High level of autonomy and responsibility \nFitness: Multisport Card\n Location: Office location in the new Bratislava downtown (Jurkovičova tepláreň)\nHome Office\n Workation: Enjoy the flexibility of working across designated EU countries, with up to 20 days a year to combine work and travel","description_format":"text","description_chars":6751,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Home office"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Cryptocurrencies"],"lifecycle":[{"event":"open","at":"2026-10-20T19:28:42Z"}],"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":16,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-23T05:54:15Z"},"pay":null,"html_url":"https://alion.io/job/bitcoin-suisse-senior-python-developer-quantitative-trading-systems","json_url":"https://alion.io/job/bitcoin-suisse-senior-python-developer-quantitative-trading-systems.json","meta":{"generated_at":"2026-10-23T13:50:46Z","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":20705,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":54274},"rest":"https://alion.io/mcp/rest/get_company?id=54274"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbitcoin-suisse-senior-python-developer-quantitative-trading-systems"},{"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%2Fbitcoin-suisse-senior-python-developer-quantitative-trading-systems"},{"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%2Fbitcoin-suisse-senior-python-developer-quantitative-trading-systems"},{"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/bitcoin-suisse-senior-python-developer-quantitative-trading-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbitcoin-suisse-senior-python-developer-quantitative-trading-systems"}]}