Senior Data EngineerKeyrockCrypto and web3Brussels | Rome | Barcelona | Zug | Porto | Cape Town | Istanbul | Eindhoven | Geneva | Milan | Amsterdam | Manama | Madrid | London | Dubai | Berlin | Antwerp | Copenhagen | Vienna | Prague | Athens | Budapest | Paris | Frankfurt | Dublin | Warsaw | Sofia | Luxembourg | Remote | Zurich | Abu Dhabi | Lisbon | London | Tallinn | London OR Brussels | Seychelles | Rotterdam | Krakow | Johannesburg | ZagrebRemoteSeniorData and machine learningPythonRustSQL+25CountriesUnited Arab Emirates, Austria, Belgium, Bulgaria, Bahrain, Switzerland, Czechia, Germany, Denmark, Estonia, Spain, France, United Kingdom, Croatia, Hungary, Ireland, Italy, Luxembourg, The Netherlands, Poland, Portugal, Seychelles, Turkey, United States, South Africa17 days agooriginal ↗Save
Senior Backend Engineer, Metadata CoreBoxAI and dataWarsaw, PolandHybridSeniorBackend engineeringJavaPHPPython+2Requirements5+ years of experienceTagsJava, PHP, Python, Scala17 days agooriginal ↗Save
Senior Test Automation EngineerOPTIVEUM sp. z o.o.Gdańsk, Poland | Gdynia, Poland | Warsaw, PolandPLN 125 / hourHybridSeniorQA and testingJavaSQL+1Requirements6+ years of experience17 days agooriginal ↗Save
Applied AI EngineerMossFintech and paymentsWarsaw | Berlin | London | MunichHybridData and machine learningJavaPythonSQL+3CountriesGermany, United Kingdom, Poland18 days agooriginal ↗Save
Java Developer with DevOps ExperienceOPTIVEUM sp. z o.o.Kraków, PolandPLN 115–160 / hourHybridSeniorDevOps / SRE / platform / cloudPolish requiredJavaSQL+1Requirements5+ years of experience18 days agooriginal ↗Save
Lead Integration EngineerOPTIVEUM sp. z o.o.Warsaw, PolandEUR 46 / hourRemoteSeniorDevOps / SRE / platform / cloudPython+1Requirements15+ years of experience19 days agooriginal ↗Save
Senior Fullstack Software Engineer (Python/Java) - Service Agreement FlixTravel and hospitalityWarsawPLN 135–170 / hourSeniorFull-stack engineeringJavaPythonJavaScript+3Requirements5+ years of experience · Contractor / B2B / freelanceTagsJava, Python, JavaScript, TypeScript19 days agooriginal ↗Save
Senior Staff Software Engineer - PolandHousecall ProReal estate, construction and proptechPolandUSD 9,600–12K / monthRemoteStaffSoftware engineering (general)GolangJavaJavaScript+4Requirements9+ years of experience · Contractor / B2B / freelanceTagsGolang, Java, JavaScript, Python, Ruby21 days agooriginal ↗Save
MLOps EngineerPoland and Central-Eastern EuropeConsulting, agencies and business servicesBulgaria; Poland; RomaniaSeniorData and machine learningPython+3CountriesBulgaria, Poland, Romania21 days agooriginal ↗Save
Backend Software Engineer (Python / Go)CreatorIQMedia, entertainment and advertisingWarsawPLN 231K–289K / yearRemoteBackend engineeringGolangPythonPHP+1TagsGolang, Python, PHP, SQL24 days agooriginal ↗Save
Back-End Engineer - Java (Payments) CapcoBanking, insurance and financePoland - WarsawHybridBackend engineeringJavaSQL+1RequirementsContractor / B2B / freelance24 days agooriginal ↗Save
Software EngineerFlixTravel and hospitalityWarsawPLN 89–119 / hourSoftware engineering (general)JavaScriptPythonTypeScript+1RequirementsContractor / B2B / freelance25 days agooriginal ↗Save
Senior Full-Stack Developer (Node.js/React) with banking backgroundS-PROEnergy and climateWarsaw, Małopolskie, PolandRemoteSeniorBackend engineeringJavaScriptTypeScript+1Requirements5+ years of experience25 days agooriginal ↗Save
Senior Software Engineer (f/m/d)Awin Iași, Iași, Romania; Warsaw, Masovian Voivodeship, PolandHybridSeniorSoftware engineering (general)JavaSQL+3Requirements6+ years of experienceCountriesPoland, Romania25 days agooriginal ↗Save
Senior Software Engineer (Elasticsearch, Scala)SolvdAI and dataGeorgia | Ukraine | Poland | Brazil | Argentina | ColombiaRemoteSeniorBackend engineeringScalaPythonSQL+6CountriesArgentina, Brazil, Colombia, Georgia, Poland, Ukraine26 days agooriginal ↗Save
Principal Backend Engineer - CasinoHard Rock DigitalGaming and bettingGdansk, Pomorskie, PolandRemoteStaffBackend engineeringJava+2Requirements10+ years of experience · Contractor / B2B / freelance29 days agooriginal ↗Save
Data Engineer | ITFS [140-160 PLN/h B2B] - hybryda KrakówBee TalentsDeveloper tools and infrastructureKrakówHybridData and machine learningPLJavaPython17h agooriginal ↗Save
Technical Lead/Solution Architect with GermanWavestone Poland Sp. z o.o.Consulting, agencies and business servicesGliwice, Województwo śląskie, PolskaSeniorDevOps / SRE / platform / cloudPolish requiredPLC#JavaPython1 day agooriginal ↗Save
Data Engineer | ITFS [140-160 PLN/h B2B] - hybryda WrocławBee TalentsDeveloper tools and infrastructureWrocławHybridData and machine learningPLJavaPython2 days agooriginal ↗Save
DevOps Engineer BL - 30/10/2026MARGOFintech and paymentsWarsawHybridDevOps / SRE / platform / cloudPL+1RequirementsContractor / B2B / freelance14 days agooriginal ↗Save
Java Developer | ITFS [140-170 PLN/h B2B] - hybryda KrakówBee TalentsDeveloper tools and infrastructureKraków | Remote but only within PolandHybridBackend engineeringPolish requiredPLJava28 days agooriginal ↗Save
Java Developer | ITFS [140-160 PLN/h B2B] - hybryda WrocławBee TalentsDeveloper tools and infrastructureWrocław | Remote but only within PolandHybridBackend engineeringPolish requiredPLJava28 days agooriginal ↗Save
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