Backend Engineer (Java & LLM Integrations) w Warszawa, Polska

Expected, Java, Spring Boot, AI, REST API, Security, Model Context Protocol (MCP), LLM integrations, AI Agents, JWT, OAuth

Optional, IDBS API

About the project, Hi there! If you’re looking for a high-impact position in an ambitious software house, we’ve got a match for you!, , Currently, we are searching for a full-time Engineer to cooperate with our UK client - BioPharma organization. The mission is to unlock the potential of AI/ML to improve the lives of patients. Our client delivers powerful cloud software and services specifically designed to meet the evolving needs of the BioPharma sector., , ⚠️ Due to the client's location, sometimes the team works until 6:00 PM CEST., Meetings scheduled after 5 PM CEST are usually planned in advance.

This is how we work, agile, scrum

Your responsibilities, Building a Model Context Protocol (MCP) tool framework to enable seamless AI capabilities, Developing prompt-based conversational skills and AI agent workflows, Implementing a generic proxy API framework to invoke IDBS API endpoints, Designing and building a secure authentication proxy layer, Implementing robust token validation, caching, and authorization mechanisms

At least 5 years of Java practice, Strong experience with Java 17+ and the Spring Boot framework, Deep understanding of Model Context Protocol (MCP), LLM integrations, and AI Agents, Solid background in REST API design, integration patterns, and caching strategies, Hands-on experience with application security, including JWT and OAuth protocols

Optional, Knowledge of integrating external platform APIs (such as IDBS) is a strong plus

What we offer, Private medical care, Multisport card, Friendly, informal atmosphere, and direct contact with everyone in the company, Modern technologies

Benefits, sharing the costs of sports activities, private medical care, remote work opportunities, flexible working time, extra social benefits, baby layette, school layette, employee referral program, charity initiatives, Gift vouchers for kids (birthdays, Christmas, Child's Day)

Recruitment stages, HR call (15 min.), Technical call with our team (+/-60 min.), Meeting with our Client (30 - 60 min.)

ACAISOFT POLAND Sp. z o.o., Acaisoft is a Polish company partnering with industry leaders across healthcare, telecom, fintech, and insurance. We specialize in delivering cloud-native, data-driven, and scalable solutions for enterprises operating in fast-moving environments. We currently serve around 30 active customers worldwide, mostly based in the U.S. We specialize mainly in:, * Data Engineering & AI, * Cloud-Native Solutions, including Cost Optimization, * Platform Engineering, Since technology is constantly being developed at such a fast pace, we always strive to be one step ahead of the market and keep up with the latest solutions.