{"id":1991568,"url":"https://alion.io/job/ernst-young-senior-python-developer","title":"Senior Python Developer","company":{"id":2859,"name":"Ernst & Young","domain":"ey.com","url":"https://alion.io/company/ey-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Katowice, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":216},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Django","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"Node JS","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"JavaScript","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-07T02:01:00Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-09T22:38:11Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Senior Python Developer\nLocation: Katowice - 2 days office / 3 days remote\nLet us introduce you the job offer by EY GDS Poland - a member of the global integrated service delivery center network by EY.\nThe opportunity\nAs a Senior Python developer in our team, you will help our clients to invent the future by building fast and reliable software that improve customer’s everyday lives. As a part of our global team you will participate in international projects designing modern, high quality, responsive products that match or exceed expectations. You will use the most advanced technology stack and have an opportunity to develop and implement new solutions while working with top leaders in their industries.\nYour key responsibilities\nMainly developing new applications for internal and external clients together with adding new functionalities and features into existing projects - barely non maintenance. In our projects we are using only cutting edge technologies, we do care about tests, so be prepared for writing unit tests.\nSkills and attributes for success\nVery Good Python3 knowledge\n\nHands on experience with one of web frameworks (Django, Flask, FastAPI)\n\nParticipate in building complete solutions, from top to bottom\n\nAbility to write and maintain scalable and performant code\n\nExperience working in international projects with multicultural environment\n\nKnowledge of engineering standards and tooling\n\nPractical knowledge of testing libraries (Pytest, Unittest)\n\nDemonstrated logical thinking, able to convert complex requirements into actionable code\n\nTo qualify for the role, you must have\nMin 3 years of professional experience with Python\nAWS or Azure experience\nWrite clear structured, maintainable, well documented and tested code\nGood knowledge of SQL and/or NoSQL databases\nExperience with GIT, CI/CD\nKnowledge about Clean Code, Design Patterns, Software Development Lifecycle \nRest API knowledge\nExperience working in agile methodologies\nReadiness to participate in software Consulting implementation projects with a focus on developing new solutions and expanding system functionalities within the scope of R&D activities.\nCooperation with R&D teams to identify and implement best practices and new software technologies/solutions that may enhance the efficiency of business processes.\nReporting the progress of R&D projects and documenting the results of implementations, as well as post-implementation review\nIdeally, you’ll also have\nOther backend experience like node.js\nFrontend knowledge (Angular, React)\nWillingness to travel to the customers locations on need basis \nWhat we look for\nWe are looking for a top-notch technology savvy specialists willing to take our projects to the new track! If you are tired of supporting outdated solutions, have a strong urge to be best in class and are capable of delivering robust and modern solutions - join us!\nWhat we offer\nEY Global Delivery Services (GDS) is a dynamic and truly global delivery network. We work across nine locations - Argentina, Hungary, India, the Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom - and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy. From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines. In GDS, you will collaborate with EY teams on exciting projects and work with well-known brands from across the globe. We’ll introduce you to an ever-expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.\nContinuous learning: You’ll develop the mindset and skills to navigate whatever comes next.\nSuccess as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.\nTransformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.\nDiverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.\nAbout EY\nEY | Building a better working world\nEY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.\nEnabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.\nWorking across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.\nIf you can demonstrate that you meet the criteria above, please contact us as soon as possible.\nThe exceptional EY experience. It’s yours to build.\nIn compliance with the requirements of the Whistleblower Protection Act, our company has established the Procedure for reporting breaches of law and undertaking appropriate follow-up actions. Any misconduct should be reported through the EY Ethics Hotline.","description_format":"text","description_chars":5019,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Audit & Assurance Firms","Financial Advisory, Valuation & Restructuring","Management Consulting","Tax Advisory & Preparation"],"lifecycle":[{"event":"open","at":"2026-10-07T06:35:23Z"}],"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":22,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/ernst-young-senior-python-developer","json_url":"https://alion.io/job/ernst-young-senior-python-developer.json","meta":{"generated_at":"2026-10-10T01:59:19Z","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","counted_by":"address","units_charged":1,"used_today":3497,"day_limit":5000,"remaining_today":1503,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":2859},"rest":"https://alion.io/mcp/rest/get_company?id=2859"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fernst-young-senior-python-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%2Fernst-young-senior-python-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%2Fernst-young-senior-python-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/ernst-young-senior-python-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fernst-young-senior-python-developer"}]}