We are seeking a highly skilled Core Java Developer to join our team. The ideal candidate will be a strong core Java developer with extensive experience in microservices, multithreading, Spring Boot, SQL, and large-scale databases. A background in financial services is highly preferred. Additional Information* The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Alpharetta, GA is $100k - $115k/year & benefits (see below). The Role Responsibilities: • Design, develop, test, and maintain robust Java applications and microservices that meet business requirements. • Architect and implement scalable, high-performance microservices using Spring Boot and related technologies. • Handle multi-threaded programming, concurrency control, and performance tuning to ensure low-latency, reliable systems. • Collaborate with frontend, backend, and data teams to define APIs and data models; ensure secure, well-documented interfaces. • Build and optimize SQL queries; work with large, complex databases and data structures. • Implement CI/CD pipelines, code reviews, and automated testing to ensure quality and faster delivery. • Participate in architectural discussions, provide technical leadership, and mentor junior developers. • Adhere to best practices for security, reliability, and compliance within a financial services context. • Troubleshoot production issues, perform root-cause analysis, and implement durable fixes. Requirements: • Strong Core Java expertise (Java 8/11/17+ with a deep understanding of JVM internals, garbage collection, and performance tuning). • Microservices architecture experience; design and implement scalable services. • Multithreading and concurrency mastery; thread-safe programming and synchronization techniques. • Spring Framework; extensive experience with Spring Boot, Spring Data, Spring Cloud, and related ecosystems. • SQL proficiency with hands-on experience optimizing complex queries; familiarity with relational databases (e.g., Oracle, PostgreSQL, MS SQL). • Experience working with large databases and data warehousing concepts. • Financial services domain experience is highly preferred (trading, risk, settlements, market data, regulatory reporting, etc.). • Strong problem-solving skills, attention to detail, and the ability to work in a fast-paced environment. • Excellent communication and collaboration skills; comfortable in a multinational, matrixed environment. • Experience with containers and orchestration (Docker, Kubernetes). • Familiarity with messaging systems (Kafka, RabbitMQ) and event-driven architectures. • Exposure to cloud platforms (AWS, GCP, Azure) and related security practices. • Knowledge of data security, encryption, and regulatory compliance in finance. • Certification or coursework related to Java, Spring, or financial technologies. Preferred, but not required: • Prior consulting or client-facing experience. • Contribution to open-source projects or internal tech communities. • Advanced degree in Computer Science, Engineering, or a related field. We offer: • A highly competitive compensation and benefits package. • A multinational organization with 58 offices in 22 countries and the possibility to work abroad. • 10 days of paid annual leave (plus sick leave and national holidays). • Maternity & paternity leave plans. • A comprehensive insurance plan including medical, dental, vision, life insurance, and long-/short-term disability (plans vary by region). • Retirement savings plans. • A higher education certification policy. • Commuter benefits (varies by region). • Extensive training opportunities, focused on skills, substantive knowledge, and personal development. • On-demand Udemy for Business for all Synechron employees with free access to more than 5000 curated courses. • Coaching opportunities with experienced colleagues from our Financial Innovation Labs (FinLabs) and Center of Excellences (CoE) groups. • Cutting edge projects at the world's leading tier-one banks, financial institutions and insurance firms. • A flat and approachable organization. • A truly diverse, fun-loving, and global work culture.