Java Software Engineer – Manufacturing Execution Systems (MES)

Java Software Engineer – Manufacturing Execution Systems (MES) · HybridLocation: Kosice, Slovakia (onside)Start: 1.2.2026Full-time employment: from 2,000 EUR gross/month, adjusted by experience and seniority.Freelance contract: from 140 EUR/day, adjusted by experience and seniority.We are looking for talented Java Software Engineers at medior and senior levels to join our client’s team, contributing to the development and operation of a modern Manufacturing Execution System (MES). This is a unique opportunity to work on a greenfield project, creating digital solutions that drive sustainable and smart manufacturing.What You’ll DoDevelop and maintain backend functionalities for MES, ERP, or related systems using Java.Take end-to-end responsibility for system and application operations, ensuring availability, scalability, and reliability.Analyze user requirements and translate them into technical specifications.Ensure operational stability of critical digital solutions.Oversee software testing (UAT), deployment planning, rollout, and handover to support teams.Troubleshoot incidents, resolve issues, and drive continuous system performance improvements.Mentor colleagues, share knowledge, and support the training of engineers.What We’re Looking ForBSc or equivalent experience in a relevant field (significant on-the-job training considered).Experience with Java development and support, relational databases (Oracle, MySQL, SQL Server), and agile practices.Familiarity with ITIL processes (Incident, Problem, Change) and application operation & monitoring (logs, database stats, middleware).Critical thinking and strong problem-solving skills.Experience with collaboration tools such as Azure DevOps, Git, or similar.Understanding of web technology stacks (HTML, HTTP) and modern frameworks (React, Angular) is a plus.Knowledge of back-end development (Node.js), data models, persistence layers, REST APIs, caching, and messaging is an advantage.Our benefits for all contracts:Internal Mobility Program – enjoy many opportunities for career growth, job rotations, diversity of projects & technologiesReferral Program – enjoy cooperation with your colleagues and get a bonus!5/10 Years NATEK Club – we offer long-term cooperation and celebrate each fifth-year cooperation anniversary with giftsNATEK CSR Events & team buildings – enjoy our values: accountability, partnership and expertise and #workITwithusEducation – benefit from our know-how, learning courses and certificates and IT events – be part of the community of leaders of the industry and take part as a speaker or a visitorMultisportTechnical and Personal trainingLanguage courses Additionally, only for employment contracts:CafeteriaFinancial Contribution for MealsLife insuranceBonuses for Personal EventsDay off for volunteering#Java #SoftwareEngineer #MES #ERP #SmartManufacturing #BackendDevelopment #HybridWork #TechJobs #CareerOpportunity