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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Java Engineer (Payments) - **Company:** Shelby, Aiyisha - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Confluence, JIRA, Code Coverage, Code Review, Quartz (Graphics Layer), Relational Databases, Java Virtual Machine (JVM), PostgreSQL, Load Testing, Performance Tuning, Query Optimization, Redis, Systems Architecture, WebSocket, Google Cloud, Large Language Models, Grafana, Multi-Agent Systems, Spring-boot, Backend, Kubernetes, Sentry, Apache Kafka, Bitbucket, Jenkins - **Published:** August 19, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/pdl30ttsop ## About the Role We are looking for an experienced Lead Java Developer to join our dynamic team and contribute to the development of the innovative Social Casino domain. This role is ideal for someone with a strong technical background who is passionate about coding and architecture but also has a knack for leadership and mentoring. While your immediate focus will be on delivering robust technical solutions, this position also offers the opportunity to grow into a team leadership role. In this role, you will, * Solid experience building and maintaining production systems using Java and its ecosystem * Solid Java knowledge with a strong understanding of JVM internals * Excellent system design skills, capable of describing, documenting, and implementing complex architectures for scalable systems * Excellent knowledge of relational database principles, preferably PostgreSQL, with proficiency in query optimization and performance tuning * AI-native mindset with deep, hands-on expertise leveraging AI tools, large language models, and autonomous agents as a default approach to problem-solving, system design, and engineering productivity. * Deep understanding of messaging concepts (preferably with the Kafka ecosystem or similar) * Good understanding of concurrency concepts and principles * Exceptional troubleshooting skills, with the ability to resolve complex production issues effectively * Demonstrated engagement and ownership, taking full responsibility for delivering solutions and driving team success * Proven ability to conduct effective code reviews, ensuring high-quality deliverables and adherence to best practices * Solid understanding of security best practices, particularly in web and backend development contexts * Leadership experience, including mentoring team members, facilitating technical discussions, and fostering a collaborative environment * At least upper-intermediate proficiency in English, with strong communication skills for technical and non-technical stakeholders ## Description * Lead the design of system architecture, ensuring scalability, reliability, and performance for current and future needs * Perform thorough code reviews, ensuring best practices, backward compatibility and maintainability of the solution * Analyze and improve the performance of existing applications, identifying bottlenecks and proposing innovative solutions * Ensure adherence to best security practices in the development and deployment of solutions * You will oversee a complex ecosystem of Payment Orchestrators, Global Processors, and Local Payment Methods, ensuring that our players experience zero friction from purchase to withdrawal * Lead the seamless integration of third-party Gateways, Vaulting services, and Alternative Payment Methods across diverse global markets * Own the end-to-end production health of the payment stack. Implement advanced monitoring, automated reconciliation, and rapid-response protocols for transaction failures * Serve as the technical bridge between development, QA, and product teams to ensure alignment on solutions and deliverables * Collaborate with product and project managers to plan iteration scopes and ensure timely delivery * Be a dependable point of contact for critical decision-making and delivery If you're passionate about building high-quality solutions and ready to make an impact, we'd love to have you on our team., * Java 25 * Spring Boot 4.0.2 * Google Cloud Platform: * Kubernetes * Kafka * AlloyDB for PostgreSQL * Ebean ORM * Flyway * Redis * Quartz * Websockets * Retool * Test Containers * Locust for perf testing * Jenkins/ArgoCD * ELK/Sentry/Grafana * Jira/Confluence/Slack/Bitbucket We offer * Modern tech stack * Fresh, well-maintained codebase featuring high test coverage * Minimal bureaucracy and fast approval processes * Ability to work with highly skilled, passionate, and supportive teammates * Chance to make a global impact by contributing to projects experiencing exponential user growth ## Related Videos - [Java with a Clojure mindset](https://www.wearedevelopers.com/videos/103-java-with-a-clojure-mindset) - [From Doubt to Confidence: How Sentry Uses Verdaccio to Bulletproof SDK Releases](https://www.wearedevelopers.com/videos/739-from-doubt-to-confidence-how-sentry-uses-verdaccio-to-bulletproof-sdk-releases) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Navigating Application Modernization - Leveraging Gen-AI](https://www.wearedevelopers.com/videos/1605-navigating-application-modernization-leveraging-gen-ai) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)