Backend Engineer (Java & LLM Integrations)

Technologies we use

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 organize our work

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

Our requirements

• 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

• Gift vouchers for kids (birthdays, Christmas, Child's Day)
• 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

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.