{"id":2544962,"url":"https://alion.io/job/deloitte-central-europe-senior-application-developer","title":"Senior Application Developer","company":{"id":4401342,"name":"Deloitte Central Europe","domain":"deloittece.com","url":"https://alion.io/company/deloittece","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","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":50000,"max_usd":83000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":339},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"Angular","optional":true},{"name":"ASP.NET Core","optional":true},{"name":"Azure Data Factory","optional":true},{"name":"C#","optional":true},{"name":"Entity Framework Core","optional":true},{"name":"Java","optional":true},{"name":"JavaScript","optional":true},{"name":"MS SQL","optional":true},{"name":"Spring Boot","optional":true},{"name":"SQL","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-14T16:29:40Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-16T22:37:39Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Description & Requirements\nWho we are looking for\n10+ years of professional experience in software development.\nStrong expertise in C# and .NET technologies, particularly ASP.NET Core.\nExperience with Entity Framework and relational databases.\nSolid knowledge of APIs, integration patterns, and SQL.\nHands-on experience with Angular and TypeScript and/or Java Spring Boot.\nExperience with Microsoft SQL Server, Azure Database, and Microsoft IIS.\nFamiliarity with Azure services such as Azure Functions, Service Bus, API Management, Logic Apps, Azure Data Factory, and Container Apps is an advantage.\nStrong analytical, problem-solving, and communication skills.\nExperience working in Agile development environments.\nYour future role\nAs a Senior Application Developer, you will play a key role in designing, developing, and integrating modern enterprise applications that support the digitalization of business processes across the organization.\n Your Responsibilities:\nDesign, develop, and maintain modern, scalable applications and services.\nCollaborate in agile software development and integration projects.\nDrive the onboarding of new applications into the enterprise application landscape.\nDevelop and implement integration solutions using Microsoft Azure Integration Services.\nEnable seamless integration across business-critical systems and platforms.\nAnalyze, document, and optimize integration processes, interfaces, and technical solutions.\nWork closely with cross-functional teams to deliver end-to-end digital solutions and drive innovation.\nWhat we offer\nStable job in multinational company based on employment contract;\nWorking in flexible hybrid model - partially from home and the office;\nGreat opportunity for professional development (individual training plan, soft skills and technical trainings, access to modern training platforms e.g. Udemy for Business, LinkedIn Learning);\nStructured onboarding process and Buddy program for new joiners;\nOpen and friendly organizational culture based on the pillars of well-being and diversity & inclusion\nAbout Deloitte\nDeloitte is a variety of people, experience, industries and services we deliver in 150 countries of the world. 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