Core Java Developer

Synechron; Menlo Park (CA); On-site; USD 115,000 - 125,000; Full time

Benefits offered by this job

Competitive compensation

Global exposure

10 days paid leave

Maternity & paternity leave

Insurance plan

Retirement savings

Udemy for Business

Professional development

Job summary

Synechron is seeking a highly skilled Core Java Developer in Menlo Park, CA. The role emphasizes building scalable microservices with Spring Boot, handling multithreading, and optimizing large databases for financial services apps.

The base salary, $115k–$125k per year, varies by geography and includes benefits. You will collaborate with global teams, contribute to CI/CD pipelines, and mentor junior developers in a fast-paced consulting environment.

Qualifications

• Strong Core Java experience with JVM internals and performance tuning.

Responsibilities

• Design, develop, test, and maintain robust Java applications and microservices.
• Architect scalable microservices using Spring Boot.
• Handle multi-threaded programming, concurrency control, and performance tuning.
• Collaborate with frontend, backend, and data teams to define APIs and data models.
• Build and optimize SQL queries for large databases and data warehousing concepts.
• Implement CI/CD pipelines, code reviews, and automated testing.
• Provide technical leadership and mentor junior developers.
• Adhere to security, reliability, and compliance in a financial services context.
• Troubleshoot production issues and perform root-cause analysis.

Skills

Core Java

Microservices

Multithreading

Spring Boot

SQL

Large-scale databases

Financial services domain

Docker

Kubernetes

Tools

Docker

Kubernetes

Job description

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 17,000+, and has 58 offices in 22 countries within key global markets.

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 Menlo Park, CA is $115k - $125k/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 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.

SYNECHRON’S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.