Technical Lead

Tenarai Europe; Poland; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Onsite parking

Life Insurance

Development budget

Learning Platform access

Multisport

Team Building

Charity initiatives

Diversity & inclusion

Referral program with financial bonus

Job summary

Tenarai Europe in Poland is seeking an experienced Senior Java Engineer to design, develop, and maintain scalable, enterprise-grade software on Google Cloud Platform. You will contribute to core backend systems, APIs, and pricing engines, collaborating with cross-functional teams to ensure security, reliability, and performance.

The role requires 8+ years in software development, expert Java/Spring Boot, RESTful services, GCP, Kubernetes, CI/CD, and strong English/Polish communication.

Qualifications

• Minimum 8+ years of professional software development experience.
• Strong expertise in Java / Enterprise Java and Spring Boot (enterprise-grade API design and maintenance).
• Solid knowledge of Web Services (REST, JSON, XML, SOAP).
• Experience with Google Cloud Platform (GCP) services (Compute/GKE, networking, security, storage, messaging, and monitoring/observability tools).
• Familiarity with containerized and cloud-native architectures, including Kubernetes-based deployments.
• Experience with CI/CD pipelines, build tooling, and cloud-integrated DevOps practices.
• Demonstrated ability to troubleshoot issues in test and production environments, improving stability and performance.
• Experience in translating business requirements into technical designs and producing technical documentation (with AI assistance).
• Familiarity with Agile/Scrum methodologies and shift-left testing approaches.
• Communicative English and Polish (both written and spoken) suitable for cross-functional collaboration.

Responsibilities

• Design, code, test, and build high-quality enterprise software according to requirements.
• Leverage AI-assisted development tools to improve coding efficiency, code comprehension, and test generation while maintaining full ownership of decisions.
• Perform meaningful unit testing and maintain code quality, security, and performance standards.
• Design, build, deploy, and operate scalable services using Google Cloud Platform (GCP).
• Collaborate with platform, security, and SRE teams to align solutions with cloud, security, and reliability standards.
• Support the Technical Product Manager in the preparation and refinement of requirements.
• Provide input to story prioritization, technical tradeoffs, and participate in estimation and sizing activities.
• Attend and actively participate in Scrum ceremonies, release planning, and technical reviews.
• Update status in Rally on a daily basis and continuously work with teams to improve engineering and DevOps practices.

Skills

Java / Enterprise Java

Spring Boot

Web Services

GCP

Kubernetes

CI/CD

Troubleshooting

Technical documentation (AI assist)

Agile/Scrum

English & Polish communication

Job description

• System Integration: Facilitating robust and efficient communication between internal microservices and proprietary components.
• Booking & Ticketing Lifecycle: Supporting core transactional flows, including ticket reservations, refunds, and exchanges.
• Search & Optimization: Powering backend algorithms designed to find and generate the most optimal flight connections.
• Financial Calculations: Handling complex pricing engines, fare structures, and diverse cost-assessment calculations.

Responsibilities

• Design, code, test, and build high-quality enterprise software according to requirements.
• Leverage AI-assisted development tools to improve coding efficiency, code comprehension, and test generation while maintaining full ownership of decisions.
• Perform meaningful unit testing and maintain code quality, security, and performance standards.
• Design, build, deploy, and operate scalable services using Google Cloud Platform (GCP).
• Collaborate with platform, security, and SRE teams to align solutions with cloud, security, and reliability standards.
• Support the Technical Product Manager in the preparation and refinement of requirements.
• Provide input to story prioritization, technical tradeoffs, and participate in estimation and sizing activities.
• Attend and actively participate in Scrum ceremonies, release planning, and technical reviews.
• Update status in Rally on a daily basis and continuously work with teams to improve engineering and DevOps practices.

Requirements

• Minimum 8+ years of professional software development experience
• Strong expertise in Java / Enterprise Java and Spring Boot (enterprise-grade API design and maintenance).
• Solid knowledge of Web Services (REST, JSON, XML, SOAP).
• Experience with Google Cloud Platform (GCP) services (Compute/GKE, networking, security, storage, messaging, and monitoring/observability tools).
• Familiarity with containerized and cloud-native architectures, including Kubernetes-based deployments.
• Experience with CI/CD pipelines, build tooling, and cloud-integrated DevOps practices.
• Demonstrated ability to troubleshoot issues in test and production environments, improving stability and performance.
• Experience in translating business requirements into technical designs and producing technical documentation (with AI assistance).
• Familiarity with Agile/Scrum methodologies and shift-left testing approaches.
• Communicative English and Polish (both written and spoken) suitable for cross-functional collaboration.

Must possess a legal work permit in Poland

• Attractively located office with collaboration spaces
• Onsite parking space for employees
• Referral program with financial bonus
• Life Insurance
• Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment
• Access to internal Learning Platform with multiple trainings oriented for professional growth
• Access to MyBenefit platform (Multisport included)
• Team Building activities
• Charity initiatives
• Working environment promoting diversity and inclusion