JVM Software Engineer (Java, Scala, Kotlin) | Remote | Trading Platform

🏢 Summary: B2B contract for a Senior Software Engineer to develop and operate a JVM-based, event-driven platform remotely from Poland. The role provides end-to-end ownership of system design, delivery, production reliability, monitoring, and support, with a rate up to 140 zł/h net + VAT. 🗂️ Requirements: 5+ years of software engineering experience, End-to-end ownership of features and components, Java and Kotlin expertise, Event-driven systems experience, Distributed systems knowledge, Event-driven architecture and API gateway experience, PostgreSQL, data modelling, and query performance knowledge, Relational and non-relational database knowledge, Unit, integration, and end-to-end testing experience, Independent delivery, risk, sequencing, and dependency management, C4 model system design experience, DORA metrics, stability, SSDLC, velocity, and predictability familiarity, AI coding tools experience, Cloud platform familiarity, Docker and Kubernetes experience, Fluent Polish, Advanced English (B2/C1) 📃 Skills: Java, Kotlin, JVM, PostgreSQL, NoSQL, Docker, Kubernetes, C4, DORA, SSDLC, Claude, Codex, Cursor, Cloud 🏢 Description: Contract : B2B Rate : up to 140 zł/h net + VAT depending on skills and experience Location : Remote within Poland Start : ASAP Project : Development of a JVM-based, event-driven platform with end-to-end ownership of software design, delivery, and production reliability. Key Technologies/Areas Java, Kotlin, JVM Event-Driven and Distributed Systems PostgreSQL and NoSQL Docker, Kubernetes Cloud Platforms AI Coding Tools Project Overview We are looking for a Senior Software Engineer to join one of our client’s engineering teams. You will own features and components from refinement and system design through development, production deployment, monitoring, and post-release support. Responsibilities Own the end-to-end design and delivery of features and components. Create, maintain, and align system designs using the C4 model with the domain target architecture. Develop reliable, production-ready, and well-tested software using Java and Kotlin. Manage estimation, sequencing, delivery risks, and cross-team technical dependencies. Own monitoring, reliability, production support, and participation in on-call. Contribute to frontend development where required. Use AI coding tools as part of your daily workflow. Requirements 5+ years of professional software engineering experience , including proven ownership of features and components end to end. Solid foundation in the JVM , including Java and Kotlin . Production experience with event-driven systems. Good understanding of distributed systems, including idempotency, at-least-once vs exactly-once trade-offs, schema evolution, and partitioning. Experience with event-driven architecture, API gateways, and understanding when not to apply these patterns. Sound knowledge of relational and non-relational databases, including PostgreSQL , data modelling, and query performance. Proven experience delivering reliable software with unit, integration, and end-to-end testing. Ability to independently manage delivery, risks, sequencing, and cross-team dependencies. Experience owning system design at team scope using the C4 model. Familiarity with DORA metrics, stability, SSDLC compliance, velocity, and predictability. Experience using AI coding tools such as Claude Code, OpenAI Codex, opencode, Cursor, or similar. Familiarity with cloud service providers. Experience with Docker and Kubernetes . Fluency in Polish and advanced English (B2/C1) Nice to have Frontend experience with React, TypeScript, and Node.js. Hands-on production experience with Kafka. Experience with Microsoft Azure. Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology! Possibility of long-term cooperation on a full-time project engagement basis. Flexibility in organizing the provision of services, taking into account project requirements and agreed availability. Opportunity to contribute to technically advanced projects. Opportunity for international collaboration.

🏢 Summary: Long-term B2B opportunity for an experienced Java Backend Engineer to build scalable, intelligent enterprise digital products and services. The role focuses on modern backend architecture and AI-enabled application development in a hybrid setup. 🗂️ Requirements: Experience in Java backend engineering, Java, Spring Boot, Spring Cloud, Spring Batch, Microservices, REST APIs, GraphQL, Azure Cloud, Azure Cosmos DB, Kafka, OAuth 2.0, Microsoft Entra ID 📃 Skills: Java, Spring, Microservices, REST, GraphQL, Azure, Cosmos, Kafka, OAuth, Entra 🏢 Description: -Senior Java Backend Engineer | Poland | Hybrid | B2B We're looking for an experienced Java Backend Engineer to join a long-term enterprise project focused on building intelligent digital products and services. DCV-Senior Java Backend Engineer-WP/US/Jo/03-08-26 send CV to (marcillina.tietjen@dcvtechnologies.co.uk) Tech Stack Java Spring Boot Spring Cloud Spring Batch Microservices REST APIs GraphQL Azure Cloud Azure Cosmos DB Kafka OAuth 2.0 Microsoft Entra ID Nice to Have Spring AI LangChain AI-powered application development 📍 Poland (Hybrid) 💼 B2B Contract If you enjoy building scalable backend systems and are interested in modern AI-enabled enterprise applications, we'd love to hear from you.

🏢 Summary: Senior Java Engineer role focused on designing and delivering scalable, secure cloud-native backend solutions for enterprise operations. The position combines Java and Spring development, Azure architecture, Kubernetes deployments, and cross-functional agile delivery, with work from the Wrocław office three times per week. 🗂️ Requirements: 5+ years of professional software engineering experience, Expert proficiency in at least 3: Java, Python, Azure, Kubernetes, TypeScript, React, Rust, Node.js, Strong Microsoft Azure experience, Proficiency in multiple programming languages and frameworks, Microservices architecture knowledge, Containerization and CI/CD knowledge, Ability to work independently in a fast-paced agile environment, Strong communication and collaboration skills, Availability to work from the Wrocław office 3 days per week 📃 Skills: Java, Python, Azure, Kubernetes, TypeScript, React, Rust, Node.js, Spring, Microservices, Containerization, CICD 🏢 Description: EPAM is looking for a versatile and experienced Senior Java Engineer to join a dynamic, cross-functional team delivering enterprise-grade solutions for a major client operating in a technology-driven domain. The project focuses on building scalable, secure, and high-performance cloud-native applications that support critical business operations and digital transformation initiatives. This role spans a wide range of modern technologies and offers the opportunity to make a meaningful architectural impact across backend services, cloud infrastructure, and containerized deployments. Our client expects us to work from our Wrocław office three times a week. Responsibilities Design and develop robust backend services using Java and the Spring ecosystem Architect and deploy cloud-native applications on Microsoft Azure Orchestrate and maintain containerized applications with Kubernetes Collaborate with cross-functional teams (frontend, DevOps, QA, product) to deliver end-to-end solutions Contribute to architectural decisions, code reviews, and engineering best practices Work in a fast-paced, agile environment with iterative delivery cycles Requirements 5+ years of professional software engineering experience Expert-level proficiency in at least 3 of the following technologies: Java, Python, Azure, Kubernetes, TypeScript, React, Rust, Node.js Strong experience with cloud platforms, especially Microsoft Azure Proficiency in multiple programming languages and frameworks Solid understanding of microservices architecture, containerization, and CI/CD practices Ability to thrive in a fast-paced, agile environment with minimal supervision Strong communication and collaboration skills Nice to have Experience with Spring Boot / Spring Cloud for distributed systems Familiarity with infrastructure-as-code tools (Terraform, Bicep) Knowledge of event-driven architectures and messaging systems Prior experience in client-facing or consulting environments We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.