Senior Backend & Data Engineer

ALTEN – A Global Leader in Engineering and IT Services

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: 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.

For more information, visit: http://www.altenpolska.pl

Location: Kraków (hybrid, 8 office visits/month)

What You’ll Do

• 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.

Requirements

• 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.

We offer:

We offer a full-time employment contract

• Location – Kraków; work model – hybrid

• Stable and long-term cooperation

• Well-defined career path at the European leader in engineering & IT consulting

• Participation in company conferences, trainings, workshops, integration meetings, etc.

• Certification and training opportunities

• Opportunity to relocate and work in different ALTEN Polska branches

• After completion of the project, opportunity to engage in a subsequent one within the company

• Introduction and cooperation with dedicated Competences Manager

Benefits

• Medicover medical care

• Medicover dental care

• Medicover Benefits platform

• Medicover Sport card

• Referral Program

• Layette for a newborn employee’s child

• Group life insurance

• Pension scheme

We also offer cooperation based on a B2B or Contract of mandate (UZ). As part of this cooperation, you may have the opportunity to:

• Access the Medicover Sport program on a self-funded basis

• Access the Medicover Platform

• Access Allianz insurance option on a self-funded basis

• Access expert’s support from Competences Center and Practices & Expertise functions

• Support additional business initiatives (PoCs, client engagements, and technical assessments) under a separately agreed scope

• Access to professional certifications with our technology partners (e.g. Google, ISTQB)

• Participate in relevant industry events

• Participate in the Knowledge Sharing Program

• Participate in Referral program

• Continue cooperation through subsequent projects, after completion of the project

Join our team and let’s build tomorrow’s world today!

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