Senior AI Software engineer

Location: Vilnius, Vilnius City Municipality, Lithuania

Department: EBEX.AI

Workplace: on_site

Employment Type: full

Description

Join EBEX.ai, the transformation office at Everwest Group, and help build the AI solutions that are reshaping how a large logistics group works. You'll design, develop, and ship production-grade applications powered by large language models, from intelligent automation and agentic workflows to internal platforms used across the business. Working closely with architects, program managers, and business stakeholders, you'll turn real operational problems into practical, scalable AI products.

We're looking for a hands-on engineer with strong software development skills (Python or TypeScript), experience integrating LLM APIs, and familiarity with cloud environments such as AWS. Curiosity, ownership, and the ability to move quickly from idea to working solution matter more to us than a perfect CV.

Requirements

• 3+ years of professional software development experience, with strong skills in Python and/or TypeScript
• Hands-on experience building applications on LLM APIs (Anthropic Claude, OpenAI, or similar), including prompt engineering, tool use, and structured outputs
• Practical, daily experience with AI-assisted development tools, especially Claude Code, and the ability to use them to deliver faster without sacrificing quality
• Understanding of agentic workflows and the Model Context Protocol (MCP), including connecting AI agents to internal systems and data
• Experience with AWS (e.g., Lambda, ECS/Fargate, CloudFormation, IAM) and deploying production workloads
• Familiarity with CI/CD pipelines, Git, and GitHub-based workflows
• Solid backend fundamentals: REST APIs (e.g., FastAPI), relational databases (PostgreSQL), and authentication (JWT, SSO/Keycloak)
• Good English communication skills and the ability to work directly with business stakeholders to turn problems into working solutions

Benefits

Monthly salary ranges from 4000 EUR to 6200 EUR gross. In addition, each employee of the Everwest company receives a package of additional benefits, which include:

• Growth opportunities: professional and supportive team, leadership development programs. The opportunity to improve by participating in both internal and external training;
• Modern office: Modern and ergonomically equipped office, with recreation areas, outdoor terraces, and a gym. The restaurant in which, exclusive prices for employees apply;
• Recognition and awards: a day off in the month of the birthday, as well as gifts during the holidays or on the anniversary of working in the company. Various events of the company, the election of the best employees of the company, as well as like-minded clubs operating on the initiative of employees.