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Senior Software BE Engineer Poland Jobs

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Senior Python Software Engineer
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Join RTB House as a Senior Python Software Engineer in Poland. Design and scale backend systems for real-time bidding, tackling complex challenges with high autonomy. We seek experts in Python, distributed systems, and SQL to build reliable, high-impact solutions. Enjoy attractive compensation an...
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Poland
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Not provided
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RTB House
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Until further notice
Senior Software Engineer II
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Join our team as a Senior Software Engineer II in Kraków or Gdańsk. Leverage your 5+ years of Python expertise with modern frameworks to build impactful tools for independent restaurants. Enjoy a hybrid model, a training budget, private healthcare, and top tech equipment. Help shape our platform ...
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Poland , Krakow
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20000.00 - 24500.00 PLN / Month
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MyTennisLessons
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Senior Software Engineer I
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Join our team as a Senior Software Engineer I in Kraków or Gdańsk. Leverage your 4-5 years of Python expertise with modern frameworks to build impactful tools for independent restaurants. Enjoy a hybrid model, private healthcare, a training budget, and top tech. Help shape the future of restauran...
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Poland , Krakow
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16500.00 - 20000.00 PLN / Month
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MyTennisLessons
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Senior Software Engineer (PHP)
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Join our Kraków team as a Senior PHP Software Engineer. Develop and maintain a cutting-edge DXP platform using Symfony, SOLID, and DDD principles. Work in Agile feature teams, mentoring juniors while implementing new features. Enjoy remote work, private medical care, and a role shaping innovative...
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Poland , Kraków
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Senior Software Engineer (TypeScript)
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Join a new R&D team in Kraków to build a greenfield AI Agents Platform from scratch. As a Senior TypeScript Engineer, you'll architect the frontend with React, ensuring clean code and modern practices. Enjoy a remote-first culture, private medical care, and influence over tools and processes.
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Poland , Kraków
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HR Contact
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Senior Full Stack Software Engineer
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Join our team as a Senior Full Stack Software Engineer in Poland. You will build robust credit card products using C#, .NET Core, SQL Server, and React. We seek a proactive engineer with 5+ years' experience to own the full SDLC in an Agile environment. Enjoy freedom to innovate, research new tec...
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Poland
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Capital on Tap
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Go/Java Senior Software Engineer
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Join Citi in Warsaw as a Senior Go/Java Engineer. Build secure, cloud-native developer tools using Go, Java, and modern tech like Kubernetes and AWS. You'll enhance software supply chain security in an agile team. We offer great benefits including private medical care, a pension plan, and strong ...
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Poland , Warsaw
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Citi
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Explore a world of opportunity in senior software backend engineering jobs, where experienced professionals architect the core logic and services that power modern applications. A Senior Backend Engineer is a pivotal technical leader responsible for designing, building, and maintaining the server-side components, databases, and APIs that form the foundation of software systems. This role goes beyond writing code; it involves making critical architectural decisions that ensure scalability, reliability, security, and performance as user bases grow and data volumes increase. Professionals in these jobs typically own the end-to-end development of robust backend services. Common responsibilities include designing and implementing efficient data models and database schemas, building well-documented and secure RESTful or GraphQL APIs, and developing the business logic that drives application functionality. They are deeply involved in integrating various third-party services, managing authentication and authorization systems, and ensuring data integrity and protection. A significant part of the role is optimizing system performance, diagnosing complex bottlenecks, and planning for scalability, often using cloud-native patterns like microservices, serverless functions, and event-driven architectures. Furthermore, senior engineers are expected to establish and champion best practices in code quality, testing, and deployment, frequently mentoring junior team members and collaborating closely with frontend engineers, DevOps specialists, and product managers. The typical skill set for these senior roles is extensive. Proficiency in one or more backend programming languages such as Python, Java, Go, C#, or Node.js is fundamental. A strong grasp of database technologies, both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB), is essential. Candidates are expected to have hands-on experience with cloud platforms like AWS, Azure, or Google Cloud, and with infrastructure-as-code tools such as Docker and Kubernetes. Understanding CI/CD pipelines, version control with Git, and comprehensive testing strategies are standard requirements. Beyond technical prowess, successful senior backend engineers possess excellent problem-solving abilities, clear communication skills for articulating complex technical concepts, and a proven track record of taking ownership of projects from conception to deployment and iterative improvement. For those with the requisite experience and a passion for building resilient systems, senior software backend engineer jobs offer a challenging and rewarding career path at the heart of technological innovation.

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