Senior Java Full-Stack Developer

🔹Who we are!
At Levi9, we are passionate about what we do. We love our work and together in a team, we are smarter and stronger. We are looking for skilled team players who make change happen. Are you one of these players?

🔹About the project
Our client is a leading media company in Western Europe, delivering high-quality content across various platforms, including newspapers, magazines, radio, TV, websites, apps, and podcasts. Their brands reach millions of people daily, shaping the media landscape with independent and trusted journalism.
We are collaborating with them to develop a cutting-edge digital advertising solution that optimizes media campaigns and enhances user engagement. The product is already in production, and we are continuously evolving its features to meet the dynamic needs of the market.

🔹Responsibilities
The job in short: join the mature and capable Identity team to work on everything related to login, authentication, and authorization for millions of end-users across numerous brands. As a member of this team, you’ll be responsible for software craftsmanship in the broad sense of the term. You’ll help define and refine solutions to problems in close collaboration with business stakeholders, develop software, and safeguard the technical foundation of our platforms (including automated tests, deployment pipelines, cloud infrastructure, monitoring, and production support). This role comes with full end-to-end ownership — from architecture decisions and implementation to release, production monitoring, operational support, and continuous improvement

🔹Requirements

- Strong backend developer with solid experience in Java and Spring framework ecosystem
- Knowledge of frameworks such as Angular or React is not required, but strong JavaScript fundamentals are essential
- Hands-on experience with AWS, especially with services such as Lambda
- Practical experience building cost-efficient solutions in AWS
- Well-versed in modern web technologies such as HTTP, REST, JSON, authentication flows, and distributed system integrations
- Experience working with both relational databases and non-sql (MongoDB)
- Strong communication skills

🔹Nice to have
- Experience with Playwright, Jest, or Vitest Interest in and/or experience with Identity-related topics such as OpenID Connect, OAuth, JWT, public key cryptography, and authentication platforms
- Experience with Thymeleaf Experience with other cloud providers in addition to AWS

🔹Interview Process
1. Recruitment Interview (30 minutes)
A short introduction to discuss your experience, expectations, and the role.
2. Technical Interview (90 minutes)
A technical discussion focused on your expertise, problem-solving skills, and engineering experience.
3. Take-Home Assignment
Showcase your technical skills by applying engineering best practices and clean code principles.
4. Final Interview (in English)
Present your assignment, explain your technical decisions, and discuss your approach with the team.

🔹9 reasons to join us:
1. Today we're working with the technology of tomorrow
2. We don't wait for a change. We are the change
3. We're experts in creating experts (Levi9 academy, Lead9 program for leaders)
4. No micromanagement. We are free birds with a clear understanding of what the high performance is!
5. Learning in Levi9 never stops (unlimited Udemy for business, meetups, English courses, Professional trainings)
6. Here you can train your body and mind
7. We've gathered the best locations - comfortable, cozy and pet-friendly offices in Kyiv (5 minutes from Olimpiyska subway station) and Lviv (5 minutes from the Opera Theatre) with regular offline internal events
8. We have master's degree in work-life balance
9. We are actively supporting Ukraine with constant donations and volunteering