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Senior Full Stack Developer Python 3 C jobs in Warsaw· Page 4

Results 61–80 of 626 for “Senior Full Stack Developer Python 3 C” in Warsaw.

626 jobs found

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CD Projekt Red logo
Full-time|On-site|Warsaw

CD Projekt Red is hiring a Software Engineer (C++) to focus on online and multiplayer features at their Warsaw studio. This role is part of the engineering department and helps shape the multiplayer experience for players around the world. Role overview This position centers on developing and refining systems that power multiplayer gameplay. Collaboration is…

Apr 24, 2026
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Sperasoft logo
Full-time|Remote|Remote — Warsaw, Masovian Voivodeship, Poland

Sperasoft seeks a Rendering Developer to strengthen the visual quality of its games. This is a remote role based in Warsaw, Masovian Voivodeship, Poland. The position centers on building advanced graphics engine features for both PC and console titles. Regular collaboration with engineers, artists, game designers, and QA specialists is part of daily work. Key responsibilities Design and develop graphics engine components for PC and console platforms. Implement and optimize rendering systems, addressing both high-level and low-level needs. Write clean, efficient, and maintainable C++ code. Contribute to technical decisions and influence the rendering architecture. Participate in all stages of game development, from prototyping through release. Mentor and support other engineers as needed.

Apr 23, 2026
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altersolutions logo
Full-time|On-site|Warsaw

We are seeking an experienced Senior Backend Engineer to become a vital member of our dynamic, cross-functional product teams. This role demands extensive technical expertise, exceptional communication abilities, and a proactive, collaborative approach. The successful candidate will be deeply involved in ongoing client projects and seamlessly integrated into our established workflows.

Nov 14, 2025
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Tietoevry logo
Full-time|On-site|Warsaw

Join our dynamic team as a Regular/Senior Test Engineer specializing in embedded systems and audio technology. In this role, you will leverage your expertise in Python to enhance our innovative audio solutions. You will be responsible for designing, implementing, and executing test cases while collaborating with cross-functional teams to ensure the highest quality standards are met.

Mar 23, 2026
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Veepee logo
Permanent|On-site|Warsaw

As a trailblazer in online flash sales since 2001, Veepee stands as a cornerstone in the European e-commerce landscape, partnering with over 7,000 brands to deliver exceptional deals on a wide array of products for a limited time. With a remarkable turnover of 3.3 billion euros incl. VAT in 2024, Veepee boasts a dynamic workforce of 5,000 employees across 10 countries, operating in sectors such as fashion, home, wine, travel, and beauty. JOB DESCRIPTIONWe are excited to invite an experienced Backend/Full Stack Developer to join our innovative Logistics Tooling team at VeepeeTech. This pivotal role involves developing cutting-edge solutions that enhance warehouse operations and optimize the Veepee return process, ensuring an efficient and seamless experience for our customers.

Aug 13, 2025
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JetBrains s.r.o. logo
AI Lead - Python Tools

JetBrains s.r.o.

Full-time|Remote|Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia

JetBrains is seeking an AI Lead focused on Python tools. This position centers on advancing AI technologies across the company’s product suite, with the goal of improving both user experience and product capabilities. Role overview The AI Lead will guide the development and integration of AI features into JetBrains products. The role involves direct oversight of AI project initiatives and regular collaboration with teams from various disciplines. Expect to play a key part in shaping technical direction and ensuring that Python-powered solutions continue to set a high standard in the industry. What you will do Oversee AI-focused projects from conception through implementation Work closely with engineers, designers, and product managers to align AI features with product goals Drive innovation by applying Python expertise to create and refine AI solutions Locations This role is open to candidates based in Amsterdam, Belgrade, Berlin, Limassol, London, Madrid, Munich, Paphos, Prague, remote within Germany, Warsaw, and Yerevan.

Apr 29, 2026
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Tietoevry logo
Full-time|On-site|Warsaw

Join Tietoevry as a Junior Software Engineer specializing in C language, where you'll contribute to innovative telecommunications solutions. Be part of a dynamic team that pushes the boundaries of technology and drives growth.

Apr 2, 2026
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Inetum Polska logo
Full-time|On-site|Warsaw

Join our dynamic team at Inetum Polska as a Python Software Engineer, where you'll play a pivotal role in the development and upkeep of cutting-edge data processing solutions tailored for a vast telecommunications environment. Your primary focus will be on crafting Python-based modules that efficiently load, transform, and analyze network data, in addition to creating supportive tools for monitoring, reporting, and SLA-related processes.Key Responsibilities:Design and implement new Python modules for effective data processing within telecommunications networks.Develop and sustain software that enhances network quality monitoring, comprehensive reporting, and SLA calculations.Construct and optimize Python scripts for data loading and transformation in Oracle databases.Engage in ongoing transformation projects to enhance our technical environment.Provide support and maintenance for existing solutions in production.Participation in on-call support (24/7) may be required, typically one week per month. This rotation is currently inactive but could be reinstated in the future, with readiness to participate if needed.

Mar 9, 2026
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Twisto logo
Full-time|On-site|Warsaw, Mazowieckie, Poland

Company Overview:Twisto, a Param Company, is a forward-thinking financial services provider revolutionizing payment methods in Central and Eastern Europe. Our innovative app empowers users with complete control over their financial transactions, enabling them to defer or split purchases, share expenses, pay invoices, and shop using both virtual and physical cards. We are committed to providing transparency, convenience, and competitive exchange rates both locally and globally. Our mission is to continuously innovate and expand our offerings to simplify everyday financial tasks for our customers.Your Future Responsibilities:We are seeking a dedicated Python Engineer to join our dynamic team! In this role, you will collaborate with Engineering Managers, Product Analysts/Managers, and fellow engineers to enhance user stories, define requirements, and assist in prioritizing and executing tasks throughout the software development life cycle.Key Responsibilities:Design, develop, and maintain Python applications with an emphasis on writing clean, reliable, and maintainable code.Transform business requirements into viable technical solutions.Implement new features, conduct code reviews, provide technical support, and resolve bugs.Contribute to system architecture design and ensure that technical documentation remains current.Engage actively in code reviews and promote high engineering standards within the team.Effectively communicate with stakeholders and team members regarding technical solutions and project updates, both verbally and in writing.Our technology stack is constantly evolving, but currently includes the following tools: Languages: Python.Tools: Kubernetes, Terraform, Docker, AWS Cloud, Grafana, Firebase.Methodologies: Agile, Scrum; we operate on 14-day sprints, with stand-ups conducted online via Slack.

Feb 16, 2026
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altersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a .NET Developer and be part of a dynamic team in Warsaw, where you will contribute to exciting projects and develop innovative software solutions. We seek passionate developers who thrive on creativity and collaboration.

May 9, 2025
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WPP Media logo
Full-time|On-site|Warsaw, Poland

About WPP MediaWPP is the creative transformation company, harnessing creativity to shape a brighter future for our people, planet, clients, and communities. For further details, visit wpp.com.WPP Media operates as WPP’s global media collective, where we unify the best platforms, talent, and partnerships to unlock boundless growth opportunities in an ever-evolving media landscape. Visit wppmedia.com for more information.At WPP Media, we value the strength of our culture and our people, which empowers us to provide exceptional experiences for our clients and each other. In this role, you will play a vital part in upholding WPP and WPP Media’s core values:Be Extraordinary by Leading Collectively to Inspire Transformational Creativity.Create an Open environment by Balancing People and Client Experiences while Cultivating Trust.Lead Optimistically by Championing Growth and Development to Mobilize the Enterprise.Role Summary and ImpactAs a key member of the Global Operations Centre (GOC), you will collaborate with diverse teams across the United States, Europe, and Asia to deliver impactful solutions in a vibrant, multicultural setting. We are on the lookout for a skilled Backend Engineer to join our Data & Technology Solutions team. In this role, you will be essential in designing, developing, and maintaining scalable backend systems that drive our innovative marketing technologies, including the WPP Open AI platform. If you are passionate about crafting high-performance APIs, engaging with large datasets, and shaping the future of AdTech, we would love to connect with you.

Feb 17, 2026
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Alarm.com logo
Full-time|On-site|EBS Warsaw, Poland

Role overview Alarm.com is looking for a Software Engineer skilled in C# and .NET to join the team at the EBS Warsaw office. The group focuses on building technology that enhances security and automation for both residential and commercial settings. What you will do Develop and maintain software using C# and .NET frameworks Create and support solutions that enable security and automation features Participate in all phases of the software development lifecycle, from design and coding to testing and deployment Location This role is based onsite in Warsaw, Poland, at the EBS office.

Apr 23, 2026
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netcompany1 logo
Full-time|On-site|Warsaw

Join our team as a .NET Developer and be part of our dynamic tech environment where innovation and collaboration thrive. In this role, you will develop high-quality software solutions and contribute to exciting projects that impact our clients positively.

Mar 24, 2026
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Altersolutions logo
Full-time|On-site|Warsaw

We are seeking a highly skilled Java Developer to join our team, focusing on the implementation of Investment Fund Services for SME clients. This role involves enhancing both mobile and web applications.Designing technical solutions and participating in their documentation.Collaborating with analysts, developers, testers, and business stakeholders.Participating in team meetings and providing ongoing project support.Developing, implementing, and testing features that support investment fund operations.Integrating with existing system components.

Jul 28, 2025
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Tietoevry logo
Full-time|On-site|Warsaw

Role Overview Tietoevry is looking for a Regular or Senior Test Engineer with experience in embedded systems, Python, and audio technologies. This position is based in Warsaw and focuses on testing and quality assurance for embedded software solutions. What You Will Do Design, develop, and run test plans for embedded audio systems Work closely with the engineering team to ensure software meets quality and performance standards Contribute technical expertise to ongoing projects involving audio technology What We Look For Experience with embedded systems and Python Background in audio technology or testing audio solutions Ability to create and execute test plans

Apr 14, 2026
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Endava logo
Full-time|Hybrid|Warsaw

At Endava, we pride ourselves on being at the forefront of technology innovation. As a Senior Java Developer, you will play a pivotal role in designing, developing, and releasing sophisticated software solutions using various programming languages, frameworks, and libraries. Collaborating within cross-functional teams, you will adapt to challenges and focus on delivering exceptional client outcomes.This position is full-time (UoP) and requires in-office work at one of our locations in Kraków, Warsaw, or Gdańsk twice a week.Key Responsibilities:Architect, estimate, and implement technical solutions for applications of medium to high complexity.Engage actively throughout the entire application development lifecycle.Work closely with stakeholders to clarify requirements, processes, architecture, and priorities.Advocate for industry standards, tools, and practices (such as DevOps) to ensure high-quality software delivery.Identify opportunities for improvement and escalate risks/issues linked to development activities.Review and provide feedback on the work of fellow developers.Continuously learn and apply new technologies and methodologies relevant to ongoing projects.Participate in tech communities, conferences, and events.Share insights and experiences gained from various projects.

Mar 11, 2026
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margo-group logo
Full-time|Remote|Warsaw

About the RoleJoin our dynamic team at margo-group as a Regular .NET Developer, where you will play a pivotal role in the development and maintenance of our core card payment systems. You will be involved in everything from transaction authorization and settlement to integrations with external payment services, catering to hundreds of thousands of transactions daily. Ensuring optimal performance, availability, and security is our top priority.Work Model: This is a remote-first position, with scheduled on-site team meetings twice a month in Warsaw.Key Responsibilities- Develop and maintain .NET applications within the card payment sector.- Design and implement new functionalities in compliance with business and regulatory requirements.- Integrate systems with external services using REST, SOAP, and messaging queues.- Optimize application performance, availability, and security.- Collaborate with Analysts, Architects, and QA teams in an Agile/Scrum environment.- Participate in SIT/UAT testing, code reviews, and the preparation of technical documentation.Required Skills- Proven commercial experience with C# and .NET (Framework/Core).- Familiarity with ASP.NET Core, Angular, and WebAPI.- Knowledge of Entity Framework, LINQ, and Dapper.- Proficiency with SQL Server (T-SQL) and query optimization techniques.- Understanding of SOLID principles and design patterns.- Experience writing unit tests (xUnit/NUnit).- Knowledge of system integrations (REST, SOAP, JSON, XML).- Experience working in an Agile environment.- Familiarity with Git, CI/CD, and TeamCity.Language Requirements- Polish: Native or C2 level (required).- English: Professional level for technical documentation.Nice to Have- Experience in the card payments/payment processing domain.- Knowledge of Docker and Kubernetes.- Experience with high-availability or complex distributed systems.

Jan 23, 2026
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altersolutions logo
Full-time|On-site|Warsaw

We are seeking a highly skilled Senior Java Developer to join our talented team at altersolutions. In this role, you will be instrumental in designing, developing, and deploying robust Java applications that meet our clients' needs. Your expertise will help drive innovation and efficiency within our projects.The ideal candidate will possess a deep understanding of Java technologies, frameworks, and best practices. You will collaborate with cross-functional teams to deliver high-quality software solutions on time and within budget.

Jun 5, 2025
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altersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Angular Developer in Warsaw, where you will have the opportunity to work on innovative projects and enhance your skills in a collaborative environment. You will be responsible for developing dynamic web applications using Angular, collaborating with cross-functional teams to design and implement user-friendly interfaces.

Apr 30, 2025
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MARGO Group logo
Full-time|Hybrid|Warsaw

About Us:MARGO Group is a leading international IT consulting firm established in 2005 in Paris, with additional offices in London and Warsaw. We specialize in IT outsourcing and providing top-tier experts for intricate technology projects across Europe. Our focus is on fostering long-term partnerships, maintaining transparency, and promoting continuous development.About the Role:We are seeking a Senior .NET Developer with Angular expertise to engage in long-term enterprise banking projects within structured development environments. You will be involved in creating complex business applications while collaborating closely with Analysts, QA Engineers, and Product stakeholders.This position is intended for seasoned developers with over 5 years of experience who prioritize clean code, testing, sound architectural practices, and uphold high engineering standards.Work Model: Remote-first with scheduled on-site team meetings (2 days per month in Warsaw). Office attendance is primarily for team alignment, planning sessions, and direct collaboration.

Jan 23, 2026

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