Senior Backend & Data Engineer

Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2023, it achieved revenues exceeding 4.07 billion euros and employs over 57,000 people, 88% of whom are engineers and IT experts. ALTEN Polska has been operating for 13 years, supporting its clients' innovation, research and development, and IT systems. It has offices in Kraków, Warsaw, Wrocław, Gdańsk, and Poznań. It serves key industries such as aerospace, space, industrial solutions, automotive, railway, energy, finance, telecommunications, and retail. Areas of expertise include business analysis, cybersecurity, artificial intelligence, data analysis and cloud solutions, application development, software testing, project management, embedded software, quality management, industrialization, digital transformation, and industrial engineering.

• 6–8 years of software development experience.
• Strong proficiency in Java and backend application design.
• Practical experience with Python, particularly in AI tools, automation, and AI-based solutions.
• Hands-on DevOps experience with Kubernetes, GCP, and Terraform.
• Experience with Event-Driven Architecture and Apache Kafka.
• Expertise in ETL processes, data integration, and processing.
• Deep knowledge of PostgreSQL databases.
• Solid understanding of software design principles (KISS, SOLID, DRY).
• Proficiency in Spring Boot Framework and its ecosystem.
• Experience designing and implementing high-performance data processing pipelines (preferably with Apache Beam).
• Experience in designing and implementing REST APIs.
• Familiarity with relational and NoSQL databases (PostgreSQL, Bigtable).
• Basic understanding of DevOps & CI/CD technologies (Jenkins, Groovy scripting).
• Experience with integration frameworks and patterns (e.g., Saga, Lambda patterns).
• Excellent communication, presentation, analytical, and problem-solving skills.

Nice to have:

• Experience with GCP services (GKE, Cloud SQL, DataFlow, BigTable).
• Familiarity with OpenTelemetry (Prometheus, Grafana).
• Experience with Kubernetes/Docker and Terraform.
• Knowledge of messaging/streaming systems (Kafka).
• Experience with Vaadin or Apache Beam.

• Translate business requirements into secure, scalable, and high-performance solutions ensuring compliance with data privacy, security, and regulatory standards.
• Integrate with internal systems focusing on fast data processing and cost optimization.
• Design and document solution blueprints for market data ingestion patterns.
• Review and provide feedback on team members’ solutions.
• Assess and modernize existing data pipelines and microservices for improved efficiency.
• Collaborate with engineers, business analysts, and stakeholders to align solutions with business needs.
• Implement industry-standard logging, monitoring, error handling, and automated recovery.
• Promote automated unit and regression testing as part of a test-centric development approach.

By applying, candidates agree to the processing of personal data for recruitment purposes by Alten Polska sp. z o.o., located in Warsaw. Consent withdrawal is possible via contact and will terminate recruitment processing for the candidate. Personal data processing complies with relevant data protection laws, including GDPR. Candidates are informed about their rights to data access, correction, deletion, restriction, objection, and portability. The provision of data required by law is mandatory for recruitment, while other data are voluntary. Contact for data protection queries is [email protected]. Selected candidates will be contacted.