Senior Backend Developer

Senior Backend Developer Miejsce pracy: Warszawa Technologies we use Expected Go Python Java MySQL PostgreSQL MongoDB Optional AWS Docker Kubernetes Grafana About the project We seek a highly skilled and motivated Senior Backend/Serving Developer to join our growing Samsung Ads team. As a Backend Developer, you will contribute to development and buildout of components of Samsung's Ads Tech solution. You will be closely working with the local team in Warsaw, having also many opportunities of collaboration with Samsung's remote teams across the globe (US, Korea, India) to help implement and deploy services. Expertise you bring to the team, will play a crucial role in building modern, well performing, services which we will use to deliver targeted ads to our users. On daily basis, you will be collaborating with other professionals around design, implementation, architecture and review of the source code, followed by delivery of proper documentation and quality. Samsung Ads has been a highly successful and fast-growing business for over the last six years. This business and its continued future success depend on the products, technologies, and tools owned by Samsung. Hundreds of people strong, with a substantial presence in five countries, Samsung Ads team is a dynamic and complex organization operating across a broad spectrum of product and strategic domains. Join our team and play a key role in shaping the future of our ad tech platform. Technologies in use •GoLang, Erlang, Ruby, Java •Docker,Kubernetes •PostgreSQL,MySQL,Aerospike •Kafka •AWS •GraphQL, Rest APIs •HTTP, Websockets Your responsibilities Design, architect, and develop robust, scalable, and high-performance backend systems to support our applications. Write clean, maintainable, and efficient code in languages such as [Go, Erlang, Python, Ruby, Java], adhering to best practices and quality standards. Work closely with cross-functional teams, including frontend developers, product managers, and designers, to deliver high-quality software solutions. Provide technical leadership and mentorship to junior engineers, conducting code reviews and ensuring adherence to coding standards. Participate in the entire software development lifecycle, from requirement analysis to testing and maintenance. Optimize solutions for performance, scalability and efficiency. Diagnose and resolve issues, bugs, and performance bottlenecks, ensuring the reliability and scalability of the backend infrastructure. Create and maintain detailed technical documentation for both code and system architecture. Our requirements University degree in Computer Sciences, Telecommunication and/ or similar. At least 4 years of commercial experience in developing cloud based, backend oriented services. Extensive experience in building REST/gRPC based services (ex. Web application Development) Hands on experience in designing and building scalable, high-performance systems. Proficiency in programming languages such as GoLang, Python, Java etc. Knowledge of Microservices architecture. Hands-on experience with various databases like MySql, PostgreSql, Mongo. Excellent problem-solving (using Data Structures and Algorithms) and communication skills. Optional Hands-on experience of cloud services (AWS is preferred) and tools and platforms like Docker, Kubernetes, and monitoring tools like Grafana is a plus. Ad Tech related hands-on experience. What we offer Friendly working atmosphere Wide range of trainings (technical / soft-skills / e-learning platform) Opportunity to work in multiple projects Multidisciplinary and multicultural team Working with the latest technologies on the market Monthly integration budget Possibility to attend local and foreign conferences Opportunity to participate in science research (scientific papers, project proposals, patents applications, development of own side-projects) Laptop and PC workstation 2 external monitors OS: Windows, Linux Private medical care (possibility to add family members) Multisport card Life insurance Lunch card A partial reimbursement of the cost of an English language course Possibility to learn Korean for free Variety of discounts (Samsung products, theaters, restaurants) Unlimited free access to Copernicus Science Center for you and your friends Possibility to test new Samsung products Office in Warsaw Spire near metro station Attractive relocation package Hybrid model of work – 3 days from the office per week Benefits sharing the costs of sports activities private medical care sharing the costs of foreign language classes life insurance corporate products and services at discounted prices integration events dental care no dress code leisure zone pre-paid cards baby layette charity initiatives unlimited free access to Copernicus Science Center mentoring program psychological support possibility to test new Samsung products Samsung R&D Institute Poland If you share our faith in the power of technology that changes reality, you work with passion, you have a curiosity about the world and you still want to learn - this is the place for you, and we know what types of working conditions to create to foster your development. We are looking for people who can turn bold visions of the future into projects and products that will serve millions of people around the world.