Fullstack Developer (Java/React)

🏢 Summary: Senior production support engineer role for a connected-vehicle platform spanning telematics, subscriptions, payments, and remote services. The position focuses on resolving critical incidents, delivering permanent Java/Spring fixes, and improving reliability through modernization, observability, and automation. The role follows a 10:00–18:00 shifted schedule and may involve occasional business travel. 🗂️ Requirements: 3+ years of JVM backend application development or support, Strong Java and Spring experience, Production troubleshooting for microservices and web applications, AWS and CI/CD pipeline knowledge, Observability and production monitoring experience, Git proficiency, Security and compliance practice knowledge, English and Polish proficiency, Analytical problem-solving skills, Availability for 10:00–18:00 schedule, Openness to occasional business travel 📃 Skills: Java, Spring, JVM, AWS, CICD, Git, Microservices, Observability, Monitoring 🏢 Description: Grape Up is a consulting and technology company helping enterprises build mission-critical applications by leveraging AI, cloud-native technologies, and modern software delivery practices. We’re looking for an experienced engineer to join a senior, dedicated team providing production support and evolution for a major automotive OEM’s connected-vehicle platform – a portfolio of web applications and microservices covering telematics, subscriptions, payments, and remote services. You’ll resolve real production issues, then use what you learn to make the platform measurably better: refactoring, breaking down legacy monolithic pieces, modernizing the stack, and raising the bar on observability and automation. What to expect from this role We work in a shifted schedule (10:00–18:00) , which allows the team to better align with global client time zones and ensure solid coverage for production operations. We’re looking for someone who’s comfortable with, or prefers this setup. Responsibilities Own the full incident lifecycle for live production services – triage, resolve, and run root-cause analysis on high-severity (P1/P2) incidents so they don’t come back Write permanent fixes, hotfixes and patches in a modern Java 21 / Spring codebase, not just workarounds Identify and drive technical improvements, harden reliability and performance Level up observability and automation: add the missing logs, metrics and traces, build self-healing and alert-noise reduction, and automate the toil out of operations Handle system lifecycle work – framework/library upgrades, security patching, vulnerability remediation, End-of-Life monitoring Requirements 3+ years of experience building and/or supporting backend applications on the JVM, with strong Java and Spring Experience operating microservices and web applications in production, including troubleshooting live issues Working knowledge of AWS and CI/CD pipelines Hands-on experience with observability tooling (logs, metrics, traces) and production monitoring Solid Git skills and understanding of security-and-compliance practices Excellent command of English and Polish (all communication, reports and documentation are in English) Analytical thinking and strong problem-solving skills Comfort with a shifted work schedule (10:00–18:00) and openness to occasional business travel Nice to have Experience supporting automotive OEM or connected-vehicle platforms Familiarity with application servers such as Tomcat Experience in production-support / on-call / SRE-style roles and incident management Familiarity with ServiceNow, JIRA and Confluence in an operational context Comfortable working across the stack – primarily Java/Spring backend, with some React Native mobile support Experience with certificate/secrets management and disaster-recovery testing Benefits Non-corporate work environment among experienced engineers Individual growth & development plan supported by cyclical feedback sessions Access to knowledge platforms (e.g. Pluralsight) Equipment of your choice Financing of conferences, external trainings, and certifications Language lessons (English, German and Polish for foreigners) LuxMed private medical care Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge Employee referral program Rewards for the success of the month and year awarded by our employees Special rewards for your years with us (G-Man) Integration activities

🏢 Summary: Lead the design and development of a pipeline-management platform for large-scale batch and streaming workloads. The role combines technical leadership, distributed-systems architecture, reliability improvements, and collaboration to deliver scalable data-platform services. 🗂️ Requirements: Strong backend engineering experience with Java, Experience designing production-grade distributed systems, Expertise in software architecture and system design, Experience building and operating high-throughput, low-latency, highly reliable systems, Knowledge of REST APIs, HTTP, and microservices, Hands-on cloud-platform and cloud-native design experience, Experience with Docker and Kubernetes, Experience with Flink, Spark, or Kafka data-processing and streaming systems, Familiarity with CI/CD pipelines and engineering tools, DevOps experience improving reliability and delivery velocity, Strong communication skills, Ability to provide technical leadership and mentor engineers 📃 Skills: Java, REST, HTTP, Microservices, AWS, Docker, Kubernetes, Flink, Spark, Kafka, Jenkins, GitLab, Git, JIRA, DevOps, EMR, S3 🏢 Description: The Pipeline Management team builds and operates a core platform that powers large-scale batch and streaming data pipelines across HERE’s Data Platform. Our platform enables internal teams and customers to design, deploy, and operate data pipelines at scale, supporting mission-critical workloads with strong reliability and performance requirements. Lead the design and development of pipeline management services and APIs Own and evolve key platform components, including pipeline orchestration, scheduling, and workflow state management Drive architecture for high-throughput, low-latency distributed systems Partner with Product and engineering teams to deliver scalable data platform capabilities Mentor engineers and provide technical leadership across a distributed team Improve system reliability, observability, and SLA adherence for production services Contribute to CI/CD, automation, and engineering best practices across the platform Technology Stack: You will work with a modern data platform ecosystem including: Backend & Services: Java (primary), REST APIs, microservices Data Processing: Apache Flink, Apache Spark Streaming & Messaging: Apache Kafka Cloud & Infrastructure: AWS (EMR, S3) Platform Services: Pipeline Service, Scheduler, State Service, Coordinator CI/CD & Tooling: Jenkins, GitLab pipelines, Git, JIRA Who are you? Strong backend engineering experience with Java (preferred), building production-grade distributed systems Expertise in software architecture and system design Experience building and operating high-throughput, low-latency, highly reliable distributed systems Solid understanding of REST APIs, HTTP, and microservices architectures Hands-on experience with cloud platforms (AWS preferred) and cloud-native design Experience with containerization and orchestration (Docker, Kubernetes) Experience with data processing and streaming systems (e.g., Flink, Spark, Kafka) Strong familiarity with CI/CD pipelines and engineering tools (e.g., Jenkins, GitLab, Git, JIRA) Experience applying DevOps practices to improve system reliability and delivery velocity Strong communication skills with the ability to clearly explain complex concepts Nice to Have Experience with pipeline orchestration platforms or workflow engines Exposure to large-scale data platforms or multi-tenant systems Experience with cloud platform migrations or modernization initiatives What we offer: Work on on globally deployed automotive navigation and mapping products Collaboration with an experienced, international engineering organization Truly international team of fantastic & talented people from 60+ countries worldwide, working from strong tech hubs located in Europe, the US, and Asia, along with multiple smaller locations Flexible working hours & a flexible approach to office vs. remote work Medical coverage for you and your family Yearly variable bonus This role is eligible for the Creative Tax Incentive scheme in Poland (KUP) Option to work on a B2B contract (please note: benefits, bonus and KUP do not apply in this case)