Who we are

Billennium is a global technology company with more than 20 years of experience supporting international organizations in building secure, compliant, and resilient digital environments. We believe that people are a crucial pillar of cyber security and that strong security culture is a key enabler of business continuity and trust. We are looking for a Tech Lead who will drive the development and evolution of our complex technology platform. You will join the Platform Team consisting of 6 DevOps Engineers, 1 Tech Lead, and 1 Team Lead — a team playing a critical role in scaling, securing, and stabilizing the entire product ecosystem.

*Remote with mandatory on‑site presence in our client's Hamburg office once per month.

Responsibilities:

Technical leadership of the team: mentoring, support, and setting the technical direction.
Architecture & design: co‑creating and evolving the platform architecture to align with business goals, scalability requirements, and industry trends.
Development of key platform features: leading development of modules, components, and integrations.
Technical roadmap ownership: identifying innovation opportunities, reducing technical debt, and planning the platform’s long‑term direction.
Cross‑team collaboration: working with product, infrastructure, operations, and security teams.
Solving complex technical issues and ensuring platform stability, security, and high performance.
Performance optimization: identifying bottlenecks and implementing improvements.
Risk management in architecture, security, and platform operations.

Requirements:

Strong technical background and hands‑on experience with technologies listed in the Tech Stack list.
Practical experience designing and maintaining complex, large‑scale platforms.
Ability to solve complex problems and make architectural decisions that shape the system’s evolution.
Experience leading a team — mentoring, guiding technical direction, supporting team members’ growth.
Excellent communication skills — ability to present technical topics clearly to technical and non‑technical stakeholders.
Strategic thinking — scalability planning, roadmap creation, innovation planning.
Strong collaboration mindset — working effectively with product, operations, and security teams.
Openness to learning new tools, technologies, and methodologies.
Continuous‑improvement mindset — enhancing processes, code quality, and system performance.
Understanding of user and business needs — customer‑centric approach.
Ability to identify and mitigate technical risks.

Tech Stack:

Microservices
Java, Kotlin, TypeScript / Node.js, Go, Spring Boot
Frontend: Angular, React, TypeScript
PostgreSQL, MongoDB, Amazon RDS
Redshift, Tableau, AWS Athena, AWS S3
Kafka (message broker)
GitHub (repositories)
Jenkins, GitHub Actions
Ansible (configuration management)
AWS
Docker, Kubernetes (self‑managed)
oVirt, VMware (virtualization)
Grafana
Cloudflare (DNS, CDN, WAF, certificates, page rules)

Perks and benefits (our offer):

Comprehensive benefits package – private medical care, Multisport card, language lessons, Udemy for Business, shopping vouchers, and veterinary care.
Flexibility – remote work model and flexible working hours.
Professional growth – access to training, certifications, and development programs.
International exposure – cooperation with global teams and diverse cultural environments.
Stable and mature organization – structured processes combined with openness to innovation.
Community and engagement – team initiatives, knowledge-sharing sessions, CSR activities, and our annual company event in Mazury.
Welcome pack – a warm start to your journey with us.

Recruitment process:

HR call
Interview with the dedicated Client
Final decision / feedback