49,212+ Senior Full Stack Engineer Pythonreact Jobs in Poland — Top Companies Hiring June 2026

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Senior Fullstack Developer

SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices in Europe and Mauritius. Our goal? We bring people solutions to life and turn HR into a value source for our clients and their people.Our people solutions span the entire employee journey, from salary pay ...

Senior GL Accountant

At Perrigo, we are driven by our mission to Makes Lives Better Through Trusted Health and Wellness Solutions, Accessible to All. We are proud to be a Top 10 player in the European Consumer Self-Care market and the largest U.S. store brand provider of over the counter and infa ...

Senior iOS Developer

W ITLT pomagamy naszym zaprzyjaźnionym firmom przekształcać ambitne pomysły w cyfrową rzeczywistość. Z nastawieniem na wyzwania, ciekawość technologii i zwinność współtworzymy wyjątkowe rozwiązania IT i zapewniamy doświadcz ...

Senior Accounting Analyst

What we do? UniCredit in Poland belongs to one of the largest financial groups in Europe, serving over 15 million Clients, including one million businesses. We are building a new banking model that combines the speed and appeal of a fintech with the strength and stability of a universal b ...

Senior Pharmacovigilance Associate

Working with UsChallenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest break ...

Senior Quality Manager

TFS HealthScience is a global, mid-sized contract research organization (CRO) partnering with biotechnology and pharmaceutical companies across the full clinical development lifecycle. Our expertise spans full-service clinical development, project-ba ...

Senior Cloud Developer

Client: pharmaceutical industryHourly Rate: up to 36 EUR + VATWork arrangement: <span style= ...

Senior Murex Consultant

Jesteśmy częścią hiberus - jednej z wiodących firm technologicznych w Hiszpanii z obecnością w ponad 14 krajach, zatrudniającej ponad 3 000 specjalistów i obsługującej Klientów na całym świecie.Jesteśmy profesjonalistami, którzy posiadają wiele lat doświadczenia w takich obszarach jak: IT, BI, zarz ...

Senior Java Developer

Client: banking industryHourly Rate: <span style=background-color:rgb(255,255,255);color:rgba( ...

Senior ServiceNow Developer

ServiceNow's Competence Center provides services in enhancing client platforms, optimizing and digitizing process flows, and expanding the use of the platform within a client organization. Our experience covers all aspects of platform consultation, implementation, and maintenance. We are seeking a Se ...

Senior Demand Planner

Position SummaryWork mode: Hybrid (3 days in the office, 2 remote)Location: Postępu 14, WarsawWe are looking for a Senior Demand Planner who combines strong analytical skills with a business mindset and enjoys turning data into actionable insights. This role is ideal for someone who ...

Senior Java Developer

Join the project of one of the largest financial institutions in the world. You will work with a business-critical function of counterparty credit risk. You will be involved in migration to cloud platforms and replace vendor software with an in-house developed analytic library. The new counterparty credit ri ...

Senior BI Consultant

Dla jednego z naszych klientów szukamy Konsultanta BI / Business Intelligence ConsultantMiejsce p ...

Senior Java Developer

Klient: Międzynarodowa firma technologiczna specjalizująca się w eCommerce i Business Intelligence. Firma ma swoje biura w całe Europie, w takich miastach jak Monachium, Dublin, Zurich, a także Warszawie i Katowicach. Charakteryzuje się płaską strukturą organizacyjną i stawia na partnerskie podejście - tu n ...

Senior Data Scientist

The opportunity We are seeking a highly skilled Senior Data Scientist with at least 3 years of experience in Data Science, Machine Learning and key areas such as NLP, Generative AI, LLMs and MLOps. The ideal candidate will design and implement advanced AI models and systems while leveragi ...

Senior Legal Counsel

Job Description We’re looking for an experienced, business-minded employment lawyer to join our Legal Team as a Senior Legal Counsel. If you care about people, enjoy coming up with creative legal solutions to HR matters, and feel a thrill thin ...

Senior Internal Auditor

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to t ...

Senior Analyst OTC

Senior OTC Analyst – Order to CashRelyon is a dynamically growing company providing recruitment and consulting services that optimize business operations. Our professional team of con ...

Senior Fullstack Developer

SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices in Europe and Mauritius. Our goal? We bring people solutions to life and turn HR into a value source for our clients and their people.Our people solutions span the entire employee journey, from salary pay ...

Senior Business Analyst

About Sollers Consulting: Sollers Consulting is more than a consultancy and software integrator. As a company founded in 2000, our mission has been to transform the financial & insurance industries by helping them adapt to new technologies.The power of collaboration and the lim ...

OTC Senior Specialist

Location: KatowiceOffice attendance: 2-4 days per month Type of contract: Full-time | Employment contractRecruitment process: onlineAbout your future employer:The company is a well-establishe ...

Senior Java Developer

Join the project of one of the largest financial institutions in the world. You will work with a business-critical function of counterparty credit risk. You will be involved in migration to cloud platforms and replace vendor software with an in-house developed analytic library. The new counterparty credit ri ...

Senior C# Developer

Do zespołu tworzącego desktopowy produkt klasy ERP szukamy osoby z pasją do programowania. Jeśli swobodnie programujesz w języku C#, SQL nie jest Ci obcy i lubisz pracę w zespole, dołącz do nas jako:<span ...

Senior Product Specialist

At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where ,Health for all, Hunger for none’ is no longer a dream, but a real possibility. We’re doing it with energy, curiosity and sheer dedication, always learning from unique perspectives of those around us, ...

Senior Implementation Consultant

Dream Big. Go Beyond. Be Unstoppable. About UsKyriba is a global fintech leader empowering CFOs and finance teams with cloud-based treasury, payments, and risk management solutions. We serve 3,000+ customers worldwide, managing $15 trillion in payments annually a ...

Senior Java Developer

Description We are looking for a Senior Java Developer , who has experience designing and developing innovative digital solutions that solve complex business problems. Here at EPAM, we fully recognize that our people are the source of our success, and we are committ ...

Senior Operational Manager

Twoja przyszła firmaNasz Klient to prężnie rozwijającą się firmą z branży BPO, która łączy nowoczesne technologie z ludzkim podejściem do biznesu. Wspierają klientów w codziennych operacjach, dostarczając najwyższej jakości rozwiązania w zakresie obsługi procesów biznesowych, sprzedaży i ...

Senior Cybersecurity Specialist

Dla jednego z naszych Klientów, poszukujemy specjalisty na stanowisko Senior Cybersecurity Specialist.Tryb pracy: praca hybrydowa, częstotliwość pracy w biurze do ustalenia. Biuro mieści się w Warszawie. Stawka: 25 000 - 28 000 PLN brutto. < ...

Senior Fullstack Developer

Dla naszego klienta - międzynarodowego softwarehouse'u specjalizującego się w aplikacjach mobilnych i webowych - szukamy Senior Fullstack Developera, który chciałby rozwijać się w nowych projektach.Twój zakres obowiązków:Tworzenie, rozwój i utr ...

Guidewire Senior Consultant

About Sollers Consulting: Sollers Consulting is more than a consultancy and software integrator. As a company founded in 2000, our mission has been to transform the financial & insurance industries by helping them adapt to new technologies.The power of collaboration and the lim ...

Senior Python Developer

Twoja przyszła firmaDevire IT Outsourcing to forma współpracy dedykowana specjalistom IT, oparta na zasadach własnego biznesu, realizująca stanowiska dla Klientów prowadzących innowacyjne i nowoczesne projekty. Dla Naszego Klienta, który łączy projektowanie i inżynierię, ...

Senior Analyst PTP

Senior Analyst PTPRelyon is a dynamically growing company providing recruitment and consulting services that optimize business operations. Our professional team of consultants, an up-to-date database, proven recruitment and recruitmen ...

Senior Java Developer

Join the project of one of the largest financial institutions in the world. You will work with a business-critical function of counterparty credit risk. You will be involved in migration to cloud platforms and replace vendor software with an in-house developed analytic library. The new counterparty credit ri ...

Senior VFX Artist

Job Description CD PROJEKT RED is looking for a Senior VFX Artist to join our studio and help bring to life Project Sirius—a multiplayer game set in The Witcher universe. This role will draw on your experience, attention to de ...

Senior Project Manager

Brightstar is an innovative, forward-thinking global leader in lottery that builds on our renowned expertise in delivering secure technology and producing reliable, comprehensive solutions for our customers. As a premier pure play global lottery company, our best-in-class lotter ...

Senior Fulstack Java

Senior Fullstack DeveloperObszar: CRM | Praca w Scrum | 100% zdalnie (z opcjonalnym biurem w Warszawie) ...

SENIOR BUSINESS ANALYST

Elicit, analyze, and document business requirements; create and maintain user stories, acceptance criteria, and backlog itemsDesign and optimize end-to-end user journeys, ensuring usability, accessibility (WCAG) and consistencyCollaborate with frontend developers on UI/UX implementation, in ...

Senior Project Manager

Senior Project Manager Location:Warsaw, PL, 00-807 Requisition ID: 19152 Brightstar is an innovative, forward-thinking global leader in lottery that builds on our renowned expertise in delivering secure technology and producing reliable, comprehensive solutions for our customers. A ...

Senior Project Manager

Senior Project Manager Location:Warsaw, PL, 00-807 Requisition ID: 19154 Brightstar is an innovative, forward-thinking global leader in lottery that builds on our renowned expertise in delivering secure technology and producing reliable, comprehensive solutions for our customers. A ...

Senior Administrative Assistant

Localization: Warsaw Responsibilities + Managing the Head’s complex calendar and meeting priorities+ Organizing business meetings, events, and leadership engagements+ Coordinating domestic and international business travel+ Managing business expenses and vendor invoices+ Coopera ...

Senior Pharmacovigilance Associate

**Working with Us**Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthrough ...

Senior Manager, Biostatistics

**Working with Us**Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthrough ...

Senior Project Specialist

Time Type: Full TimePLEASE REMEMBER TO CLICK APPLY BUTTON AFTER SAVING YOUR PROFILE TO COMPLETE YOUR APPLICATION PROCESS.The Senior Project Specialist – Global Customs Communication plays a key role in connecting operational customs expertise with structured communication ...

Senior Electrical Designer

Job Summary:In this role, you will plan, develop, and review electrical engineering design work, produce drawings and documentation, and prepare design estimates for a project. You will coordinate with clients, facilitate technical discussions, and review key electrical drawings, calculat ...

Tax Specialist Senior

Who We AreFedEx is the largest express transportation company in the world, connecting more than 220 countries and territories. We work every moment to deliver the most important package of someone’s day. Our team of passionate people know their day-to-day work is invaluable in delivering out ...

Senior Java Developer

ComeOn Group in shortFounded in 2008, ComeOn Group is a leading global player in the rapidly growing iGaming market. Having launched its first online brand in 2010, ComeOn Group is running a wide range of exciting brands across multiple markets. Operating more than 20 brands on ...

Senior Cloudflare Architect

Senior Cloudflare Architect – praca zdalna, elastyczny etat/B2B ☁️🛡️💻Szukamy doświadczonego Senior Cloudflare Architect, który poprowadzi strategiczne projekty w obszarze bezpieczeństwa i technologii chmurowych. Oferujemy pełną elastyczność współpracy – B2B, umowa o pracę ...

Senior .NET Developer

DevelopmentGdansk+2 more What's this role about? Continuously expanding knowledge in technical but also in different business domain Expand horizons and providing direct consultancy to international clients Responsibility for technical decisions De ...

Senior Payroll Specialist

Role DescriptionAre you passionate about delivering flawless payroll services and ensuring employee satisfaction? We are seeking a Senior Payroll Specialist to manage international payroll processes with precision, compliance, and a focus on continuous improvemen ...

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