Praca dla java backend engineer w Krakow

Bachelor's degree in Computer Science, Engineering, or related field Proven experience as a Data Engineer or similar role Strong knowledge of data processing technologies and database systems (SQL, NoSQL) Experience with data pipeline and workflow management tools (e.g., Apache Airflow, ETL) Proficiency in programming languages (Python, Java, or Scala)...

At least 5 years of engineering experience, ideally the kind that left some scars and good stories. Proficiency in at least one backend language with strong preferences towards Go. Hands-on experience working with data: querying it, wrangling it, and interpreting it. Fluency and real experience working with AI and LLMs, paired with the maturity to be...

- At least 5 years of engineering experience, ideally the kind that left some scars and good stories. - Proficiency in at least one backend language with strong preferences towards Go. - Hands-on experience working with data: querying it, wrangling it, and interpreting it. - Fluency and real experience working with AI and LLMs, paired with the maturity to be...

- Strong hands-on experience with Snowflake, including data modelling, performance tuning, cost optimisation, and security/governance features. - Proven experience building production-grade ELT/ETL pipelines using tools such as dbt, Apache Airflow, Azure Data Factory, or similar. - Expert-level SQL skills. - Working knowledge of at least one general-purpose...

- Data analyst instincts + software engineer's hands. ~70% of the job is finding a cohort in BigQuery, working out why the data is wrong, and fixing it at scale. Strong SQL and genuine curiosity about data are non-negotiable. - JVM backend (Kotlin/Java, Spring Boot). Must be able to build their own remediation tooling and checks, not just run queries....

Solid understanding of Continuous Integration and Continuous Delivery (CI/CD) Basic knowledge of REST APIs and related testing tools Experience in data parsing and validation using JSON and XML Familiarity with data models and automation of validation processes Willingness to learn new technologies and adapt to evolving requirements Understanding of the ITBA...

Strong hands-on software engineering experience designing, building, and operating production systems. Advanced scripting/programming skills – Python preferred (Go/Bash/Java are a plus). Proven experience taking prototypes to production, ensuring security, resilience, and performance. Strong analytical mindset with ability to use data/metrics for...

A BS/MS in Computer Science or equivalent professional experience 3 years of professional experience as a software developer Proficiency in a general purpose language such as Java/Kotlin or Golang Experience with data structures, algorithms, and software design patterns Proficiency in an RDBMS like MySQL, PostgreSQL, or SQL Server Proven experience and...

2 years in backend automation testing using Python and Pytest . Understanding of Identity and Access Management (IAM) concepts. Experience with REST API testing and tools (Postman, Insomnia). Familiarity with event-driven systems , SCIM, OIDC, LDAP protocols. Experience with CI/CD pipelines and Agile delivery. Knowledge of cloud environments , ideally...

Python (3 years of hands-on experience) Practical experience with LLMs, Prompt Engineering, and RAG (Retrieval-Augmented Generation) Knowledge of Agentic architectures Background in machine learning, deep learning, and NLP Vector Databases and SQL Databases (PostgreSQL) FastAPI, LangChain Knowledge of Microservices architecture, API design, Observability,...

Experience with Pyspark or Scala development and design Experience using scheduling tools such as Airflow Knowledge of Hadoop ecosystem including Spark, Hive, YARN and ETL frameworks Strong SQL and RESTful services knowledge Experience working on Unix or Linux platforms Hands-on experience building data pipelines using Hadoop components Experience with Git,...

What you'll need to succeed in this role: - At least 3 years of commercial experience implementing, developing, or maintaining Big Data systems, data governance and data management processes. - Strong programming skills in Python (or Java/Scala): writing a clean code, OOP design. - Hands-on with Big Data technologies like Spark , Cloudera, Data Platform,...

At least 5 years of commercial full-stack development experience with C# and .NET, including .NET 6 and ASP.NET Core. Strong knowledge of EF Core and MSSQL / Azure SQL, including query tuning, indexing, transactions and stored procedures. Hands-on experience with Azure services such as App Service, Azure SQL, Storage, Key Vault, Functions and Service Bus....

Fluency in English (spoken & written). 3 years experience in SQL and PL/SQL and Linux . 2 years experience with Kubernetes . Strong understanding of Oracle database architecture . Experience with shell scripting (Bash, Python, or Java) for automation. Knowledge of system monitoring and performance tuning. Strong analytical and troubleshooting skills....

Strong hands-on experience with Kubernetes (preferably GKE ). Experience operating or migrating microservices platforms at scale. Practical experience supporting Java and Python applications in Kubernetes. Strong background in monitoring and observability tools, ideally within the Grafana ecosystem (Prometheus, Loki, Tempo, etc.). Experience building and...

5 years of experience with: Java (11), Maven, Spring Framework (Boot, Cloud, Security, Integration, Batch, WebFlux, Data) Reactive microservices, JDBC, RESTful API, Unit Testing, JavaScript SQL, Hibernate, APIs (REST, SOAP) Hands-on experience with AWS , Docker, Kubernetes. Knowledge of relational and non-relational databases (Oracle, Postgres, MongoDB)....

Proven expertise in Performance & Non-Functional Testing for enterprise-level systems, including load, stress, failover, HA, disaster recovery testing. Strong hands-on experience with performance test tools (JMeter, Gatling, LoadRunner, NeoLoad or similar). Practical knowledge of cloud-based environments (Google Cloud Platform highly desirable). Experience...

- 7+ years of professional experience in production applications development in .NET ecosystems including front-end development (React) with a strong ability to troubleshoot, resolve, and prevent issues in a high-pressure environment - Proficiency in C# and Web API development , with a solid understanding of building and maintaining scalable, secure and...

Strong software development experience in Python , particularly within the AI/ML ecosystem Experience with frameworks such as FastAPI, LangChain , or similar Knowledge of PostgreSQL and vector databases Experience designing microservices, APIs, observability solutions, and concurrent systems Hands-on experience with Azure or GCP Practical knowledge of...

At least 5 years of engineering experience, ideally the kind that left some scars and good stories. Proficiency in at least one backend language with strong preferences towards Go. Hands-on experience working with data: querying it, wrangling it, and interpreting it. Fluency and real experience working with AI and LLMs, paired with the maturity to be...