{"id":634280,"url":"https://alion.io/job/sd-worx-poland-fullstack-developer-2","title":"Fullstack Developer","company":{"id":2591,"name":"SD Worx","domain":"sdworx.com","url":"https://alion.io/company/sd-worx-poland","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":84,"open_postings":29,"ghost_share":0,"stale_share":0.655,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_city","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Katowice, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":90000,"period":"year","method":"role_country_seniority_unknown","sample_n":946},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Git","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Azure DevOps","optional":true},{"name":"C#","optional":true},{"name":"CI/CD","optional":true},{"name":"Db2","optional":true},{"name":"Entity Framework Core","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-09-07T13:20:47Z","employer_posted_date":"2026-09-07","last_verified_at":"2026-11-01T19:27:24Z","board_verified":true,"closed_at":null,"days_open":55,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":55},"description":"About SD Worx\nSD Worx is a leading European provider of Payroll & HR services with global reach. We have offices across Europe and in Mauritius. Our purpose is to bring people solutions to life, enabling organisations of all sizes to turn Human Resources into a source of value for both the business and its people.\nOur people solutions cover the entire employee journey - from getting people paid to attracting, rewarding and developing talent.\n\nAbout the role:\nAs Fullstack Developer, you will be part of a team responsible for building and maintaining our existing payroll application for the Belgian market: LOS21. Your customers are the hundreds of internal users of this application, and you play an essential role in improving their experience. Together with your colleagues, you improve customer experience every day by following up on new legislation, and simplifying their processes.\nWhat do we have to offer?\nStable employment conditions: permanent employment contract (after a 3-month probation period)\n\nFlexible working hours and remote work opportunities\n\nPrivate medical care (LuxMed)\n\nCafeteria system / Sports card\n\nLunch card (Edenred)\n\nFinancial allowance for remote work\n\nLoans for employees\n\nWorkation: possibility to work from any SD Worx location (4 weeks per year, EU only)\n\nLife insurance\n\nHoliday allowance\n\nFree language courses (during your working hours)\n\nAnnual bonus\n\nIntegration events\n\nFree parking spaces for employees\n\nReferral program\n\nPPK (Employee Capital Plans): 3.5% employer contribution\n\nLearning opportunities: through an individual development plan and professional training\n\nCareer growth: whether you want to become more of an expert in your field or expand your knowledge horizontally, there’s always room to grow within SD Worx!\n\nWhich tasks can you expect?\nCooperating closely with the team to understand requirements for legacy applications\n\nContributing throughout all phases of the product lifecycle, from ideation and development to maintenance\n\nDevising solutions that are both functionally effective and technically robust\n\nTroubleshooting, debugging, fixing, and implementing solutions\n\nParticipating in code reviews and knowledge-sharing activities within the team\n\nProviding third-line support to end users when required\n\nWorking independently and proactively identifying solutions\n\nHandling periods of intensive workload effectively and efficiently\n\nCollaborating with server and network support departments\n\nWhat do you have to offer?\n5+ years of .NET development experience within complex software environments\n\nPractical expertise in WinForms application development\n\nStrong SQL skills and database querying knowledge\n\nProficiency with Git and modern version control practices\n\nAbility to work across both front-end and back-end technologies\n\nComfortable using Visual Studio as a primary development environment\n\nFamiliarity with AI tools and their application in software development\n\nDegree in Information Technology or equivalent hands-on experience and expertise\n\nFluent English communication skills, both written and spoken\n\nNice to have\nKnowledge of DB2 databases\n\nFamiliarity with NServiceBus messaging architecture\n\nExperience working with Entity Framework\n\nUnderstanding of Azure DevOps, CI/CD pipelines, and release processes\n\nExposure to ASMX web services\n\nExperience collaborating in Agile/Scrum development teams\n\nSalary range information will be shared with candidates during the initial interaction with the Talent Acquisition team, either by phone or email.\nSD Worx values diversity and inclusion in the workplace. 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