Senior Java Software Engineer

🚀 We’re Hiring! | Senior Java Software Engineer Join NorthGravity – Where Innovation Meets Impact! We’re looking for an experienced Senior Java Software Engineer to join our global engineering team. If you're passionate about modernizing architectures, building scalable solutions, and working with cutting-edge technologies, this opportunity is for you! 🌍 About NorthGravity NorthGravity is a Chicago/Krakow-based technology company, providing cognitive data collection, predictive analytics, and data management solutions to Hedge Funds, Banks, and Energy companies. Founded in 2018, we’re building a system of intelligence, delivering high-quality, easy-to-use data to power our clients’ successful data science projects and business processes. 🚀 What’s in It for You? Work with a Global Engineering team – collaborate with Product and Business Development teams to define, develop, and deliver impactful solutions.Exciting tech stack – exposure to modern frameworks, cloud services, and scalable architectures.Real impact – work on modernizing a large-scale, high-impact platform and shape key technology decisions.Engagements in English – work in an international, collaborative environment.Fully paid Luxmed & MyBenefit cafeteria.Flexible hybrid work model – office in Kraków with the possibility of remote work 3-4 days per week. 🛠 Your Role & Responsibilities Design, develop, and modernize a large-scale, high-performance platformWork on backend development using Java 8 & 17, Spring Core 4, Spring Boot 2Develop secure, scalable, and high-performance APIs using OpenAPI, OAuth2.0/OpenIDCollaborate closely with engineers, product managers, and business teamsAnalyze and improve existing architecture, ensuring system reliability and performanceDebug & troubleshoot production issuesDevelop unit and integration tests to ensure system stabilityContribute to new feature development and system enhancements 🛠 Tech Stack & Tools You’ll Work With Java 8 and 17 - backend developmentSpring Core, Spring BootAPI First, OpenAPI, OAuth2.0/OpenIDDocker & Kubernetes – containerization & orchestrationGCP as the main cloud provider Angular & Kendo UI – frontend developmentDurable workflows with Temporal.io 🎯 What We’re Looking For 5+ years of experience in software developmentStrong Java coding skills – writing clean, effective, and scalable codeExcellent knowledge of Spring frameworkExperience with APIs and microservicesUnderstanding of cloud environmentsGreat communication skills – direct, transparent, and fluent in EnglishPassion for learning and growth 🎯 Why This Role is Exciting Work on a large-scale, high-impact platform – modernize existing architecture and contribute to the development of next-generation solutions.Blend of legacy & modern tech – leverage your knowledge of legacy technologies while advancing your skills with cutting-edge frameworks and cloud solutions.Visible impact on the business – your contributions will directly influence the company's success.Opportunity to work with multiple technologies – from Java & Spring to AWS, Angular, and Kubernetes.Collaborative, supportive team – work with skilled engineers in a highly cooperative environment. 📢 Ready to Join Us? 📩 Apply now and be part of a team building data solutions used by leading financial and energy companies worldwide! #Java #SoftwareEngineering #Hiring #TechJobs #SpringBoot #Microservices #AWS #FinTech #Krakow