{"id":2944403,"url":"https://alion.io/job/britenet-python-developer-routing-algorithms-e-commerce","title":"Python Developer (routing algorithms, e-commerce)","company":{"id":53283,"name":"Britenet","domain":"britenet.eu","url":"https://alion.io/company/britenet","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":100000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":348},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostGIS","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Terraform","optional":false},{"name":"PostgreSQL","optional":true}],"status":"live","first_seen_at":"2026-10-20T12:14:43Z","employer_posted_date":null,"last_verified_at":"2026-10-20T12:14:43Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"About the role\nWe are looking for a Senior Software Engineer specializing in Python and routing algorithms. In this role, you will support the design and scaling of high-throughput services that power first-mile and last-mile delivery logistics.\nWhat we offerUnique atmosphere: A good and friendly atmosphere in the company and the satisfaction of working with both departmental colleagues and direct superiors.\nTeam-building events: Large internal technology conferences, star parties and team outings.\nFlexibility: Working hours are flexible and tailored to individual preferences. As is the mode of work delivery: remotely or in a hybrid model.\nDevelopment paths:They are clear, straightforward and certainly not bumpy. Choose between a managerial or expert development path.\nCertifications: We facilitate the development of desired competencies, subsidize training and courses.\nSecurity: We have many years of experience in the market and implement national and international projects. We skillfully manage tasks and enable smooth allocation between projects.\nLanguage lessons: For those who speak fluently and want to maintain this level or wish to develop their language skills, we enable free participation in language lessons. Are conducted in the modern and safe form of online meetings. Just learn IT!\nComfort at work: Attractively decorated relaxation areas, available in the company's largest branches, to encourage relaxation during the day, and equipped kitchens with aromatic coffee.\nSupport for activity: We have soccer teams, we play championships, we have marathon runners and other active sports lovers on board. We support all passions.\nZakres obowiązków\nSupporting the design and scaling of high-throughput services powering first-mile and last-mile delivery logistics operations.\nCo-developing Allegro's next-generation Delivery Optimization Engine (DOE) using network analysis and spatial optimization.\nDeveloping and implementing routing algorithms.\nDirectly impacting and improving the efficiency of the company's logistics processes.\nWymagania\nMin. 4 years of commercial experience in backend software development using Python and SQL.\nExperience in or very good knowledge of the logistics domain, network analysis, and routing (e.g., graph theory, road network modeling, Vehicle Routing Problem – VRP).\nExperience with programmatically utilized geospatial data (e.g., H3, spatial indexing, clustering algorithms, PostGIS).\nKnowledge of the cloud environments (Google Cloud Platform preferred) and modern infrastructure tools (Kubernetes, Terraform, Airflow).\nPromote engineering best practices, such as: Clean Code, TDD (Test Driven Development), CI/CD, rigorous code review.\nAbility to design and scale microservices-based architecture.\nPositive attitude, strong teamwork skills, and hold a university degree in computer science or a related technical field.\nGood command of English and Polish.\nReadiness to participate in workshops at the client's office in Warsaw once per month.\nTech stack\nPython\nSQL\nLogistics\nCloud\nGoogle Cloud Platform\nKubernetes\nTerraform\nAirflow\nClean Code\nTDD\nCI/CD\nDegree","description_format":"text","description_chars":3126,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","Software","Machine Learning","Enterprise Apps Implementation Partners"],"lifecycle":[{"event":"open","at":"2026-10-20T18:21:15Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.898,"p_room":1,"age_days":3,"expected_fill_days":17,"reasons":["seen:3","velocity","win:early"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/britenet-python-developer-routing-algorithms-e-commerce","json_url":"https://alion.io/job/britenet-python-developer-routing-algorithms-e-commerce.json","meta":{"generated_at":"2026-10-24T18:28:36Z","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":26873,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":53283},"rest":"https://alion.io/mcp/rest/get_company?id=53283"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbritenet-python-developer-routing-algorithms-e-commerce"},{"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%2Fbritenet-python-developer-routing-algorithms-e-commerce"},{"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%2Fbritenet-python-developer-routing-algorithms-e-commerce"},{"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/britenet-python-developer-routing-algorithms-e-commerce\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbritenet-python-developer-routing-algorithms-e-commerce"}]}