{"schemaVersion":"jobsearcher.job.v1","id":"09c3cd75730ff74aaa70df4f","url":"https://jobsearcher.com/jobs/09c3cd75730ff74aaa70df4f","canonicalUrl":"https://jobsearcher.com/jobs/09c3cd75730ff74aaa70df4f","title":"Sr. Java Scala Developer","description":"Senior Associate JavaNote all candidate must has FS experience and MUST HAVE: Scala ExperiencePosition Summary:We are seeking a seasoned Senior Java/Scala Developer with a deep specialization in high-throughput trading platforms. You will be responsible for designing and scaling microservices that power our real-time execution algorithms, ensuring ultra-low latency, high availability, and strict adherence to risk and regulatory controls.Core Responsibilities:Architecture & Development: Lead the design and implementation of distributed microservices using Java/Spring Boot tailored for high-frequency trading environments.Algorithm Engineering: Collaborate with Quants and Product Managers to translate complex execution strategies into performant, production-ready code.Performance Optimization: Conduct deep-dive performance tuning, GC optimization, and memory management to maintain sub-millisecond execution speeds.Platform Governance: Design and enforce \"Safe Trading\" protocols, including pre-trade risk checks and automated circuit breakers within the microservices mesh.Domain Requirements:Trading Lifecycle: Deep understanding of the full trade lifecycle (Order Management, Execution, Clearing, and Settlement).Execution Algorithms: Proven track record ofbuilding or maintaining algorithmic engines and SOR (Smart Order Routing) systems.Market Dynamics: Understanding of market data structures (L1/L2/L3 books) and regulatory requirements (MiFID II, SEC Rule 606).Technical Qualifications:Java Expertise: Expert-level proficiency in Core Java(v17+ preferred), including advanced multi-threading, concurrency patterns, and the JavaMemory Model.Scala Expertise: Hands-on production experience with Scala, including functional programming patterns, immutability, and use of Scala within JVM-based trading systems (e.g., Akka, Play, or hybrid Java/Scala microservices).Microservices Architecture: Extensive experience with Spring Boot, Spring Cloud, and containerization (Docker/Kubernetes). Familiarity with Service Mesh (Istio/Linkerd) is a plus.Messaging & Integration: Hands-on experience with high-performance messaging middleware like Apache Kafka, Solace, or Aeron.Data Systems: Proficiency in low-latency data stores (Redis, Hazelcast) and SQL/NoSQL databases for trade persistence and auditing.Testing & CI/CD: Commitment to TDD/BDD practices and automated pipeline integration (Jenkins, GitLab CI).","company":"3B Staffing","rawCompany":"3b staffing","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-10-02T13:32:41.518Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. Java Scala Developer","description":"Senior Associate JavaNote all candidate must has FS experience and MUST HAVE: Scala ExperiencePosition Summary:We are seeking a seasoned Senior Java/Scala Developer with a deep specialization in high-throughput trading platforms. You will be responsible for designing and scaling microservices that power our real-time execution algorithms, ensuring ultra-low latency, high availability, and strict adherence to risk and regulatory controls.Core Responsibilities:Architecture & Development: Lead the design and implementation of distributed microservices using Java/Spring Boot tailored for high-frequency trading environments.Algorithm Engineering: Collaborate with Quants and Product Managers to translate complex execution strategies into performant, production-ready code.Performance Optimization: Conduct deep-dive performance tuning, GC optimization, and memory management to maintain sub-millisecond execution speeds.Platform Governance: Design and enforce \"Safe Trading\" protocols, including pre-trade risk checks and automated circuit breakers within the microservices mesh.Domain Requirements:Trading Lifecycle: Deep understanding of the full trade lifecycle (Order Management, Execution, Clearing, and Settlement).Execution Algorithms: Proven track record ofbuilding or maintaining algorithmic engines and SOR (Smart Order Routing) systems.Market Dynamics: Understanding of market data structures (L1/L2/L3 books) and regulatory requirements (MiFID II, SEC Rule 606).Technical Qualifications:Java Expertise: Expert-level proficiency in Core Java(v17+ preferred), including advanced multi-threading, concurrency patterns, and the JavaMemory Model.Scala Expertise: Hands-on production experience with Scala, including functional programming patterns, immutability, and use of Scala within JVM-based trading systems (e.g., Akka, Play, or hybrid Java/Scala microservices).Microservices Architecture: Extensive experience with Spring Boot, Spring Cloud, and containerization (Docker/Kubernetes). Familiarity with Service Mesh (Istio/Linkerd) is a plus.Messaging & Integration: Hands-on experience with high-performance messaging middleware like Apache Kafka, Solace, or Aeron.Data Systems: Proficiency in low-latency data stores (Redis, Hazelcast) and SQL/NoSQL databases for trade persistence and auditing.Testing & CI/CD: Commitment to TDD/BDD practices and automated pipeline integration (Jenkins, GitLab CI).","datePosted":"2026-10-02T13:32:41.518Z","dateModified":"2026-10-02T13:32:41.518Z","hiringOrganization":{"@type":"Organization","name":"3B Staffing","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"09c3cd75730ff74aaa70df4f"},"url":"https://jobsearcher.com/jobs/09c3cd75730ff74aaa70df4f"}}