Senior Backend
5 days ago
Expertise in building high-performance, asynchronous RESTful APIs using FastAPI and MongoDB Atlas. Proficient in the modern Python ecosystem, focusing on type safety, cloud integration, and secure authentication flows. Expert in developing async web services using FastAPI and Uvicorn, utilizing Pydantic for robust data validation Advanced proficiency in MongoDB interactions. Skilled in both synchronous (pymongo) and asynchronous operations (motor), with specific expertise in Object-Document Mapping (ODM) using Beanie. Expert in designing scalable MongoDB schemas that balance read/write performance. Proficiency in configuring and managing production-ready MongoDB Atlas clusters on AWS Experience integrating AWS services: S3, Lambda, Glue, etc. via Boto3. Experience with gSheet API ,[Implementing strategic data structuring (Embedding vs. Referencing) to optimize query performance and data integrity., Identify slow queries, optimizing indexes for Beanie ODM models, and ensuring efficient read/write patterns., Implementation of secure authorization standards including OAuth2 and JWT flows] Requirements: Python, REST API, FastAPI, MongoDB, AWS Additionally: Sport subscription, Private healthcare, International projects.
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Remote, Czech Republic Starbridge Full timeYou might be a fit if you: Are a senior developer with Enterprise B2B SaaS experience or Big data processing experience in the JVM ecosystem and ideally Kotlin. Are excited to roll up your sleeves and work in all parts of the backend and have experience working in small teams & startups. Ideally have experience working in a fast-growing startup. Ideally have...
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Senior Backend Engineer
1 week ago
Remote, Czech Republic Adaptiq Full time7+ years of software engineering experience with proven delivery of production features 5+ years of Python, working on core product systems with real user impact Strong SQL fundamentals; hands-on experience with PostgreSQL/MySQL plus familiarity with MongoDB or DynamoDB Experience building distributed systems or microservices, including observability and...
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Senior Backend Engineer
1 week ago
Remote, Wrocław, Czech Republic Cense AG Full timeWhat You Bring A mid/senior-level experience with demonstrated expertise in backend engineering Solid knowledge and experience working with REST APIs Writing well-organized, efficient, and easily testable code Proficiency in NodeJS and Javascript/Typescript development. Good understanding of SQL and NoSQL databases. Capable of leading initiatives and...
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Remote, Budapest, Czech Republic Login Autonom Kft Full timeObjektum-orientált programozás magas szinten, SOLID és bevett design pattern-ek biztos alkalmazása. PHP 8.x mély ismerete (types, attributes, enums, performance). Kódminőség: PSR szabványok, clean code, Composer dependency management. Symfony keretrendszer senior szintű használata és komponensek mély ismerete. Symfony Dependency Injection,...
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Senior Backend SDE
2 weeks ago
Remote, Czech Republic Xenoss Full timeRequired skills: Professional Java experience 5+ years OOP/design patterns proficiency Experience building complex systems SQL/NoSQL database experience Familiar with AWS or GCP Experience in the AdTech domain. Nice to have: Experience with big data Experience with OLAP DB (Cassandra, Clickhouse) Experience with Neo4J English: B1 Who we are Xenoss...
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Senior Backend Engineer
1 day ago
Remote, Czech Republic Apollo.io Full timeWe’re language agnostic, you don’t need any previous Ruby experience for the backend positions. Any of those programming languages - Java, Python, Scala, Go, Elixir, C++ will be great as you'll learn Ruby during the onboarding Proven experience leveraging AI tools to enhance software development processes, including code generation, debugging, and...
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Senior Backend Tester
2 weeks ago
Remote, Warszawa, Czech Republic IT LeasingTeam Full timeMin. 7 - 8 letnie doświadczenie w testowaniu backendu Doświadczenie w przygotowywaniu scenariuszy i warunków testowych Znajomość procesów wytwarzania oprogramowania Samodzielność, zorientowanie na cel, dobra organizacja pracy, szybkie przyswajanie wiedzy, umiejętność pracy w zespole Znajomość narzędzi i metod testowania Umiejętność tworzenia...
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Remote, Wrocław, Czech Republic Holisticon Connect Full time✅ You might be the perfect match if you are/have: 4+ years of professional backend software development in Python; Good understanding of event-driven development; In-depth knowledge of a variety of AWS cloud services and solutions; Hands-on solid knowledge of containerisation technologies such as Docker; Ability to work with Unix and Bash shell...
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Lead Senior Backend Engineer
1 week ago
Remote, Gliwice, Czech Republic Connectis_ Full timeZnajomość tworzenia usług backendowych i architektury enterprise. Minimum 7 lat doświadczenia w Node.js / JavaScript. Minimum 5 lat doświadczenia z SAP CAP. Minimum 3 lata pracy z SAP HANA Cloud. Doświadczenie z SAP BTP / Cloud Foundry. Mile Widziane: Doświadczenie lidera technicznego lub mentora zespołu. Wspólnie z naszym...
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Sr./Staff Backend Engineer
5 days ago
Remote, Palo Alto, Czech Republic Oscilar Full timeRequirements Backend Development: 8+ years of experience with Java in large-scale, distributed environments. Kafka Mastery: Extensive experience with Apache Kafka, including Kafka Streams, Kafka Connect, partitioning, replication, and consumer group management. Cloud Infrastructure: Strong experience with AWS services (e.g., MSK, EC2, RDS, DynamoDB, S3,...