Senior Java Developer

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,500+, and has 58 offices in 21 countries within key global markets.

Our challenge

We are seeking a highly skilled Senior 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 New York, NY is $120k - $135k/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.

Preferred, but not required:

• 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.
• Prior consulting or client-facing experience.
• Contribution to open-source projects or internal tech c