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31,562+ Senior Full Stack Developer Python Javascript Jobs in Poland — Top Companies Hiring September 2026

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Senior Data Engineer

Join an International Banking Project as a Senior Data Engineer.Project/Client: BankingLocation: Baltic States and Poland Citizen (remote)Start Date: ASAPDuration: 12 months<st ...

Senior Account Executive

Cześć! Tu KERRIS - od 13 lat stale rośniemy i rozwijamy się jako agencja digitalowa i social mediowa. W codziennej pracy łączymy dwa światy zgodnie z naszym hasłem: performance meets creativity. Pracujemy dla dużych marek, które chcą z nami robić top rzeczy i co sezon zgarniamy za t ...

Senior Solution Architect

Senior Solution ArchitectRate: Up to 170 PLN/h (net + VAT) Work Model: Hybrid (75% remote) Location: Gdańsk or Warsaw Contracting Party: OptiveumWe are Optiveum, a trusted IT recruitment a ...

Senior Mechanical Engineer

Shape a future with purpose at Arup in Amsterdam or PolandArup’s purpose, shared values and collaborative approach has set us apart for over 80 years, guiding how we shape a better world. Arup’s Building Services Engineers tackle diverse challenges – from sustainable strategies to fire su ...

Senior Solutions Engineer

ResponsibilitiesPre-Sales & Technical Enablement Partner with Sales teams to understand customer requirements and design tailored automation and AI-based solutionsDeliver product demonstrations, proof-of-concepts (POCs), and technical presentations< ...

Senior Legal Counsel

Designing and implementing corporate governance frameworks from the ground up, including decision-making structures, policies, and standards to ensure compliance, transparency, and effective organisational managementProviding strategic legal support across business operations, product de ...

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 ...

Senior Shop Assistant

PURPOSE & IMPACT ON ORGANIZATION: Contributes to meeting or exceeding store sales and KPI targets by: Building an emotional connection with customers and living the ...

Senior QA Automation

JOB DESCRIPTIONTo further execute our plan, we are looking for an ambitious andsuccess driven automation tester. You will use your expertise to ensure thequality of our product alongside a highly motivated team of founders,domain experts, creatives, and engineers. You will develop new skills a ...

Senior Solution Architect

Senior Solution ArchitectRate: Up to 170 PLN/h (net + VAT) Work Model: Hybrid (75% remote) Location: Gdańsk or Warsaw Contracting Party: OptiveumWe are Optiveum, a trusted IT recruitment a ...

Senior Data Engineer

This is usAt Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, ...

Senior Legal Counsel

Spółka operacyjna należąca do grupy kapitałowej o rocznych obrotach ok. 200 mln zł, prowadzącej działalność w obszarze Generalnego Wykonawstwa (w tym wykonaws ...

Senior Platform Engineer

About GraviteeSince 2015, Gravitee has grown into a global force, recognized as a 2025 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ec ...

Senior Pharmacovigilance Associate

Senior Pharmacovigilance Associate, Hybrid, Warsaw At ICON Strategic Solutions, you will work in a sponsor-dedicated model, supported by ICON’s global expertise. As the world’s largest FSP organisation, with over 90 sponsor partnerships, we offer stability, career development and a collaborativ ...

Senior Mail Engineer

SD 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.</s ...

Senior Cloud Engineer

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 Vulnerability Analyst

The opportunity The Supervising Associate will lead regional Vulnerability Health & Hygiene reporting efforts across Super Regions and countries. This role is responsible for coordinating stakeholder engagement, overseeing governance, and ensuring data quality and reporting consistency, c ...

Senior DevOps Engineer

Senior DevOps EngineerLocation: Gdynia, Gdańsk (preferred) or Warsaw, Łódź (Hybrid - 25% remote) Rate: Up to 170 PLN/h net Contract Type: B2B agreement (Contracting party: Optiveum)About the ProjectFor our Client in the ...

Senior Technical Recruiter

Senior Tech Recruiter (m/f/d)At Flix, we offer a tech-driven environment where innovation meets real-world impact, with competitive pay, strong growth opportunities, and a culture of collaboration and ownership. As a Senior Tech Recruiter (m/f/d) at Flix, you can make an impac ...

Senior Observability Engineer

The Role: Joining Moderna means advancing mRNA science to transform medicine. Work with exceptional global teams on a broad pipeline and build a career that makes a real difference for patients.Moderna is strengthening its international business service ...

Senior Infrastructure Administrator

Dla naszego Klienta – międzynarodowej organizacji realizującej zaawansowane projekty transformacji cyfrowej – poszukujemy osoby na stanowisko Senior Infrastructure Engineer specjalizującej się w technologiach Microsoft.< ...

Senior Manager BHP

W Amazon potrzebujemy utalentowanych i doświadczonych osób, które pomogą nam działać bezpiecznie i wydajnie. Jako Senior Manager Workplace Health and Safety (WHS) Twoja rola jest kluczowa dla wdrażania strategicznych ulepszeń w Twoich obiektach i na poziomie regionalnym. Będziesz kierować i rozwijać swój zespół, ...

Senior Mail Engineer

SD 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 ...

Senior T24 Architect

Senior T24 ArchitectLocation: Warsaw or Tricity (Gdynia/Gdańsk)Work Model: Hybrid (50% Remote)Rate: Up to 170 PLN/hEngagement: Full-time (40 hours/week)About the Role </h ...

Senior T24 Architect

Senior T24 ArchitectLocation: Warsaw or Tricity (Gdynia/Gdańsk)Work Model: Hybrid (50% Remote)Rate: Up to 170 PLN/hEngagement: Full-time (40 hours/week)About the Role </h ...

Senior Software Engineer

Helprise is an organization that combines global reach with local talent. We work for companies that value quality, partnership, and responsibility, creating teams that really work. By precisely matching skills and business needs, we connect specialists with projects where their knowledge has a real impact. B ...

Senior Statistical Programmer

We’re Growing in Poland!Everest Clinical Research is a global Clinical Research Organization that proudly maintains a regional clinical operations hub in Warsaw. Now, Everest's global biometrics team is embarking on an exciting phase of growth, and we're thrilled to announce the biometrics team’ ...

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 DevOps Engineer

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 Business Analyst

Więcej niż jeden projekt. Więcej niż jeden rynek.Jesteśmy częścią Hiberus, firmy technologicznej wywodzącej się z Hiszpanii z silną pozycją na rynku polskim: 4700+ specjalistów, obecnej w 14+ krajach i realizującej projekty dla klientów na całym świecie.</s ...

Senior Mechanical Engineer

ResponsibilitiesYou'll own mechanical parts end-to-end — from the internal mechanism to finished, manufacturable hardware — working across design, validation, and iteration with the broader team.Desi ...

Senior Medical Director

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

Senior Engineer, Gameplay

Job DescriptionCD PROJEKT RED is looking for a Senior Gameplay, Engineer to join the team working on The Witcher 4. In this role, you will design, implement, optimize, and maintain the gameplay technology that powers our games. In this role, you will collaborate with designers, ...

Senior Project Manager

About this roleTFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full-service capabilities, resourcing, and Funct ...

Senior Snowflake Analyst

Senior Snowflake AnalystOptiveum is currently looking for a Senior Snowflake Analyst to join the team of one of our trusted enterprise clients. In this role, you will be responsible for detailing selected IT solution requirements and collaborating with architects and ...

Inżynier DevSecOps (senior)

Jesteśmy prawdziwymi entuzjastami tematyki związanej z obszarem jakości i testów oprogramowania. Nasz Soflab Technology jest największą polską firmą specjalizującą się w testach oprogramowania, która od 2008 roku zapewnia szeroki zakres usług IT w obszarze jakości (Quality Assurance), Business Intelligence i ...

Senior Data Engineer

Senior Data EngineerAbout the role: We are currently looking for a Senior Data Engineer to join our client, a dynamically growing company in the banking industry. In this role, you will be responsible for building and optimi ...

Senior Project Manager

About this roleTFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full-service capabilities, resourcing, and Funct ...

Senior Graphic Designer

We’re looking for a creative and detail-oriented Senior Graphic Designer to join our growing team. You’ll be responsible for creating engaging visuals across digital platforms, including marketing campaigns, social media, branding assets, banners, and product-related materials.This rol ...

Senior Project Manager

About this roleTFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full-service capabilities, resourcing, and Funct ...

Senior Internal Auditor

Team / Division Description:Our client is a leading international organization with operations across Europe. The Internal Audit function provides independent assurance and advisory support across the organization’s regional, manufacturi ...

Senior BIM Coordinator

Shape a future with purpose at Arup in Poland.Arup’s purpose, shared values and collaborative approach has set us apart for over 80 years, guiding how we shape a better world.Arup has been operating in the Polish market since 1998, developing technical solutions and supporting clients thr ...

Senior QA Engineer

Job DescriptionJoin CD PROJEKT RED and help shape the future of QA Engineering across our projects and Shared Development Services initiatives. We’re looking for a Senior QA Engineer to help build and scale technical quality solutions, automation frameworks and testing infrastructur ...

Senior Medical Director

TFS HealthScience is a leading global mid-size Contract Research Organization (CRO) that partners with biotechnology and pharmaceutical companies throughout their entire clinical development journey. Our expertise includes full service-capabilities, resourcing and Functional Service (FSP) solutions.<st ...

Senior Data Engineer

Job DescriptionWrite and defend diagnostic SQL queries against large-scale production datasetsBuild and maintain ingestion pipelines for bid, win, and impression logs into BigQueryHarmonize fields across independently designed datasets and maintain versioned field mappings</li ...

Senior Electrical Engineer

Senior Electrical Engineer (k/m) Workplace: hybrid model - 3 days Warsaw Office + 2 day home officeSalary: 12 000 PLN - 18 250 P ...

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