Java Developer - Big Data | Middle
Kraków, Lesser Poland Voivodeship, PolskaKey offer highlights
Min. 2 years of experience
DevOps / Cloud: AWS, Azure, Docker, Kubernetes
Backend: Java / .NET / Node / Python
Hybrid model - partly remote
Full-time
Description
We are seeking a skilled Java Developer with Big Data expertise to join our team working on a next-generation valuation and risk management platform built on Microsoft Azure. This platform delivers scalable, cost-efficient infrastructure through cloud PaaS components, featuring a single core platform with open architecture designed for change, itemized cost metrics, and automated data lineage. Shared across Front Office, Finance, and Risk functions, the platform improves regulatory compliance while providing a One-Platform / One-Experience approach that is fast to train, easy to operate, and helps retain talent. Please note that this role requires 3 days in the office in "flex-hybrid" mode. Responsibilities Develop and maintain big data solutions using Apache Spark Program complex production systems leveraging Java and Scala Contribute to platform engineering initiatives on Microsoft Azure cloud infrastructure Build, maintain, and enhance CI/CD pipelines using modern cloud-friendly build systems like GitLab Implement containerization strategies across development, build, and runtime environments Deploy and orchestrate containerized workloads with Kubernetes Collaborate with cross-functional teams across Front Office, Finance, and Risk to deliver platform capabilities Ensure scalability, performance, and cost-efficiency of cloud PaaS components Participate in architectural discussions and influence key technical decisions Requirements 2+ years of experience in software development with big data technologies Expertise in Apache Spark for big data processing Proficiency in Java and Scala for building complex production systems Background in platform engineering roles on a major cloud provider (ideally Microsoft Azure) Skills in developing and operating CI/CD pipelines using GitLab or similar cloud-friendly build systems Hands-on experience with containerization and Kubernetes across development, build, and runtime environments Ability to collaborate effectively within a large global team English proficiency at an Upper-Intermediate level (B2) or higher Nice to have Production experience with Terraform on a major public cloud provider (ideally Microsoft Azure) Experience with Databricks Knowledge of Python Understanding of information modeling, data structures, and algorithms Knowledge of testing, instrumentation, observability, and alerting tooling Background in technical architecture and low-level design Knowledge of Agile development and planning practices
Requirements
2+ years of experience in software development with big data technologies
Expertise in Apache Spark for big data processing
Proficiency in Java and Scala for building complex production systems
Background in platform engineering roles on a major cloud provider (ideally Microsoft Azure)
Skills in developing and operating CI/CD pipelines using GitLab or similar cloud-friendly build systems
Hands-on experience with containerization and Kubernetes across development, build, and runtime environments
Ability to collaborate effectively within a large global team
English proficiency at an Upper-Intermediate level (B2) or higher
Responsibilities
Develop and maintain big data solutions using Apache Spark
Program complex production systems leveraging Java and Scala
Contribute to platform engineering initiatives on Microsoft Azure cloud infrastructure
Build, maintain, and enhance CI/CD pipelines using modern cloud-friendly build systems like GitLab
Implement containerization strategies across development, build, and runtime environments
Deploy and orchestrate containerized workloads with Kubernetes
Collaborate with cross-functional teams across Front Office, Finance, and Risk to deliver platform capabilities
Ensure scalability, performance, and cost-efficiency of cloud PaaS components
Participate in architectural discussions and influence key technical decisions
Seniority
Middle
Nice to have
Production experience with Terraform on a major public cloud provider (ideally Microsoft Azure)
Experience with Databricks
Knowledge of Python
Understanding of information modeling, data structures, and algorithms
Knowledge of testing, instrumentation, observability, and alerting tooling
Background in technical architecture and low-level design
Knowledge of Agile development and planning practices
Keywords / Skills