Senior / Principal Java Engineer

Grid Dynamics; Greater London; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Medical insurance

Flexible schedule

Sports benefits

Professional development

Job summary

Grid Dynamics seeks an experienced Java Developer to join a high-performing engineering team delivering critical technology solutions within a global investment banking environment. You will build secure, scalable production-grade applications using modern Java technologies, including Java 8/11/17+ and Spring Boot, and work across backend services and APIs.

Responsibilities include designing scalable systems, integrating RESTful APIs, working with Kafka, and maintaining high security and quality

Qualifications

• Proven commercial Java development experience.
• Strong Spring/Spring Boot expertise.
• Experience building REST APIs and distributed systems.
• Experience with Kafka or similar messaging tech.
• Solid SQL and relational DB skills.
• Hands-on with TDD and automated testing.
• Good understanding of secure software development practices.
• Experience with Git and CI/CD pipelines.
• Experience in Agile teams.

Responsibilities

• Design, develop and maintain scalable Java applications with Spring Boot.
• Build and integrate RESTful APIs and event-driven services.
• Utilize Kafka for high-volume distributed systems.
• Develop against Oracle and SQL databases for performance and reliability.
• Write clean, production-ready code with automated tests.
• Apply security testing and remediation in the SDLC.
• Participate in design reviews and code reviews.
• Contribute to continuous improvement in Agile teams.
• Address production issues and drive reliability efforts.

Skills

Java

Spring Boot

REST APIs

Kafka

SQL

TDD

Git

Agile

Security practices

Tools

SAST

SCA

SonarQube

Checkmarx

Fortify

Job description

About The Role

We are looking for an experienced Java Developer to join a high-performing engineering team delivering critical technology solutions within a global investment banking environment.

The role is focused on building secure, scalable and production-grade applications using modern Java technologies. You will work across backend services and APIs, contribute to architectural decisions and help ensure applications meet the high security and engineering standards expected within financial services.

Responsibilities

• Design, develop and maintain scalable applications using Java and Spring Boot.
• Build and integrate RESTful APIs and event-driven services.
• Work with Kafka and messaging technologies to support high-volume distributed systems.
• Develop against Oracle and SQL databases, with a focus on performance and reliability.
• Write clean, maintainable and production-ready code.
• Apply TDD and automated testing throughout the development lifecycle.
• Participate in technical design discussions and code reviews.
• Investigate and resolve production issues and technical defects.
• Work within Agile development teams and contribute to continuous improvement.
• Maintain high standards around application security and software quality.

Security & Code Quality

Security is a key part of the development lifecycle. You will be expected to understand and address vulnerabilities identified through automated security tooling.

Experience With

• SAST – Static Application Security Testing
• SCA – Software Composition Analysis
• SonarQube
• Checkmarx
• Fortify
• Dependency and vulnerability management

Essential Skills

• Strong commercial experience with Java 8/11/17+.
• Strong Spring / Spring Boot experience.
• Experience building REST APIs and distributed applications.
• Experience with Kafka or similar messaging/event-streaming technologies.
• Strong SQL and relational database experience.
• Experience with TDD and automated testing.
• Good understanding of secure software development practices.
• Experience with Git and modern CI/CD development workflows.
• Experience working within Agile engineering teams.

Nice to have

Desirable Experience

• Investment banking or financial services experience.
• Experience working within highly regulated environments.
• Knowledge of application security and DevSecOps.
• Experience with cloud platforms such as AWS, Azure or GCP.
• Microservices and distributed systems experience.
• Experience working with large-scale, high-volume production systems.

The Ideal Candidate

We're looking for a strong Java Engineer who combines solid software engineering fundamentals with an appreciation for security, scalability and production reliability.

You should be comfortable working in a collaborative environment, taking ownership of your work and contributing to a high-quality engineering culture.

Technology: Java | Spring Boot | REST | Kafka | Oracle | SQL | SAST | SCA | SonarQube | Checkmarx | Fortify | TDD | Git | Agile

We offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About Us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.