Senior Backend Developer (Java + Databricks)

Job summary

Develop and optimize enterprise Java applications, Spring-based services, SQL queries, multithreaded systems, and Databricks data-processing solutions. Write and maintain automated tests, contribute to financial technology solutions, mentor developers, collaborate across teams, and support security and data-protection practices.

Job details

Blutic is looking for experienced Senior Backend Developer (Java + Databricks) with 7 to 15 years of experience to join our high-performing engineering team. The ideal candidate will have strong expertise in Java, Spring Framework, Databricks, SQL, Test-Driven Development (TDD), and multi-threaded application development. Experience in the investment banking or financial services domain is plus. This is a W2 (Hybrid) opportunity. Location: Montreal (Canada), New York (USA), Newark, New Jersey (USA) Experience: 7 to 15 Years Required Skills & Qualifications Must-Have ● 7 to 15 years of hands-on experience in Java application development. ● Strong experience with Spring Framework (Spring Boot, Spring MVC, Spring Security). ● Hands-on experience with Databricks. ● Strong SQL skills with database performance tuning and query optimization. ● Experience with Test-Driven Development (TDD) and writing unit/integration tests. ● Experience with multi-threading, concurrent programming, and low-latency systems. ● Solid understanding of Object-Oriented Programming (OOP), design patterns, and software architecture principles. ● Strong analytical, problem-solving, and debugging skills. ● Bachelor's degree in Computer Science, Engineering, or a related technical field. Preferred Skills ● Prior experience in the investment banking or financial services domain. ● Familiarity with FIX protocol, trading platforms, or risk management systems. ● Experience with messaging systems such as Kafka, RabbitMQ, or ActiveMQ. ● Experience with performance profiling and optimization tools. ● Exposure to Agile/Scrum development methodologies. ● Experience with cloud platforms such as Azure or AWS is an added advantage. Key Responsibilities Software Development ● Develop, maintain, and enhance enterprise-grade Java applications. ● Build scalable and secure solutions using Spring Framework (Spring Boot, Spring MVC, Spring Security). ● Design and optimize high-performance SQL queries and database interactions. ● Develop multi-threaded applications capable of handling high-concurrency workloads. ● Develop and integrate data processing solutions using Databricks for large-scale data engineering and analytics workloads. Test-Driven Development (TDD) ● Write clean, maintainable, and testable code following TDD principles. ● Develop and maintain robust unit and integration tests. ● Ensure code quality through automated testing, peer reviews, and continuous integration practices. Domain-Specific Solutions ● Collaborate with business analysts and stakeholders to translate financial requirements into technical solutions. ● Develop and enhance trading platforms, risk management systems, and settlement applications. ● Optimize applications and data pipelines for performance, scalability, and low-latency processing. ● Work with structured and semi-structured data using Databricks and Spark-based technologies. Collaboration & Leadership ● Mentor junior developers and provide technical guidance. ● Collaborate with DevOps, QA, Data Engineering, and Product teams to ensure seamless solution delivery. ● Participate in architectural discussions and contribute to technical decision-making. Continuous Improvement ● Identify opportunities for application and data pipeline optimization. ● Stay current with emerging technologies and best practices in Java development, Databricks, and financial technology. ● Drive innovation and continuous improvement initiatives across the development lifecycle. Information Security Responsibilities ● Promote and enforce awareness of key information security practices, including acceptable use of information assets, malware protection, and password security protocols. ● Identify, assess, and report security risks, focusing on confidentiality, integrity, and availability of information assets. ● Understand and evaluate how data is stored, processed, or transmitted, ensuring compliance with data privacy and protection standards (GDPR, CCPA, etc.). ● Ensure data protection measures are integrated throughout the information lifecycle to safeguard sensitive information.

What you’ll do

Develop and optimize enterprise Java applications, Spring-based services, SQL queries, multithreaded systems, and Databricks data-processing solutions. Write and maintain automated tests, contribute to financial technology solutions, mentor developers, collaborate across teams, and support security and data-protection practices.

Requirements

Requires 7 to 15 years of hands-on Java development experience, strong Spring Framework, Databricks, and SQL skills, and experience with TDD, testing, concurrency, and software design principles. A bachelor's degree in Computer Science, Engineering, or a related technical field is required; financial services experience and familiarity with trading systems, messaging platforms, and cloud services are preferred.

Listed skills

• Java · Preferred
• Spring Boot · Preferred
• SQL · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Java
• Spring Framework
• Spring Boot
• Spring MVC
• Spring Security
• Databricks
• SQL
• Test-Driven Development
• Unit And Integration Testing
• Multithreading
• Concurrent Programming
• Low-Latency Systems
• Object-Oriented Programming
• Database Performance Tuning
• Apache Spark
• Financial Services

Job areas

• Software
• Technology
• Data & Analytics
• Finance & Accounting

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