Lead Software Engineer – Cloud, Java
career.io
AWSCloudDockerJavaJUnitKafkaKubernetesMicroservicesMockitoOraclePostgresSQL
Salary
💰 €3,500 - €6,500 per month
Job Level
Mid-LevelSenior
Tech Stack
AWSAzureCloudETLGoogle Cloud PlatformPostgresPythonSQL
About the role
- We are an 800+ strong team whose ideas underpin successful exits, IPOs, strong financial results and competitive advantages as well as novel processes, new business models and great user experiences.
- We focus on e-commerce, mobility, and transport & logistics, while always keeping an eye on emerging segments as well.
- We rethink processes, business models and architecture, not to mention tech stacks. This approach opens doors for our people to find their own ways and solutions and bring their own ideas to life, learning and advancing both within and across teams and departments.
- We say no to office politics and pointless meetings. We celebrate curiosity, experimentation, and passion beyond code. We are very open to people growing both within and beyond their teams and departments. And this is where we suggest starting today.
- As a Software Engineer (Python, AI), you'll tackle fascinating technical challenges across diverse domains—from medtech and airport operations to logistics and energy systems. You'll architect RAG pipelines that actually work at scale, build intelligent agents that solve real problems, and create voice interfaces that people actually want to use. Whether you're wrangling massive airport datasets, building ML pipelines for medical devices, or deploying AI systems that handle millions of requests, you'll work with cutting-edge tools and have the freedom to experiment with the latest techniques. This isn't about moving corporate needles—it's about building genuinely useful AI systems that work in the real world, with a team that values clean code, smart architecture, and solving hard problems.
Requirements
- Proven skills in Python programming with experience writing production-level code
- Experience with LLM frameworks (LangChain, LlamaIndex, or you've built your own because existing ones weren't good enough)
- Genuine curiosity about new tech and willingness to dive deep when something interesting comes along
- Ability to adapt and stay effective in changing project contexts
- Clear communication skills and ability to collaborate directly with stakeholders when needed
- Fluency in both Lithuanian and English languages, written and spoken
- Experience with vector databases (e.g., PostgreSQL, Weaviate) and RAG implementations
- Knowledge of databases, SQL, data pipelines, and ETL processes
- Comfort working independently in cloud environments, ideally Azure (but AWS or GCP are also valuable)
- Proficiency in Python data processing, ML pipelines, and deploying AI models
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