Senior Kotlin Developer

Grid Dynamics Holdings; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Opportunity to work on bleeding-edge projects

Flexible schedule

Professional development opportunities

Well-equipped office

Professional development

Well-equipped office

Job summary

A global financial leader is seeking a Senior Kotlin Developer to join a high-caliber engineering team. You will design high-performance backend services and maintain code quality while leveraging Kotlin and Kubernetes. Ideal candidates should have deep Kotlin expertise, experience with CI/CD pipelines, and a strong Agile background. The role offers a competitive salary and opportunities for professional development, ensuring a motivating work environment with cutting-edge projects.

Qualifications

• Deep experience with Kotlin and its modern ecosystem.
• Hands-on experience with Kubernetes and containerized environments.
• Solid experience working with Oracle or similar relational databases.
• Proven ability to build and maintain CI/CD pipelines.
• Expert knowledge of TDD and commitment to clean code.
• Extensive experience working in Agile environments.
• Ability to navigate complex environments with a consultative approach.

Responsibilities

• Design and build high-performance backend services using Kotlin.
• Maintain high standards of code quality, following Clean Code principles.
• Design, optimize, and maintain complex data structures within Oracle environments.
• Manage applications within Kubernetes for high availability.
• Own the CI/CD lifecycle and maintain automated pipelines.
• Contribute to sprint planning and retrospectives in an Agile environment.
• Work with stakeholders to translate financial requirements into technical solutions.

Skills

Expert Kotlin Proficiency

Cloud & Infrastructure

Data Expertise

CI/CD Fluency

Quality First Mindset

Agile DNA

Communication

Job description

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We are seeking Senior Kotlin Developers to join a high-caliber engineering team delivering critical solutions for a global financial leader. You will join a team of experts focused on building robust, scalable systems where the emphasis is on quality, Test-Driven Development (TDD), and leveraging the full power of the Kotlin ecosystem.

Essential functions

• Design and build high-performance backend services using Kotlin, ensuring systems are scalable and resilient
• Maintain the highest standards of code quality, following Clean Code principles and robust TDD practices
• Design, optimize, and maintain complex data structures within Oracle environments to ensure data integrity and performance
• Manage and scale applications within Kubernetes, ensuring high availability and efficient resource utilization
• Own the full CI/CD lifecycle, maintaining and improving automated pipelines to ensure frequent, stable, and secure production releases
• Actively participate in an Agile environment, contributing to sprint planning, retrospectives, and continuous delivery
• Work closely with stakeholders to translate complex financial requirements into elegant technical solutions

Qualifications

• Expert Kotlin Proficiency: Deep experience with Kotlin and its modern ecosystem; you are someone who keeps abreast of the latest language features
• Cloud & Infrastructure: Hands‑on experience with Kubernetes and a strong understanding of containerized environments
• Data Expertise: Solid experience working with Oracle or similar enterprise‑grade relational databases
• CI/CD Fluency: Proven ability to build and maintain CI/CD pipelines (e.g., Jenkins, GitLab CI, or GitHub Actions)
• Quality First Mindset: Expert knowledge of TDD and a commitment to writing clean, maintainable code
• Agile DNA: Extensive experience working in mature Agile settings
• Communication: Ability to navigate complex environments with a consultative and proactive approach

We offer

• Opportunity to work on bleeding‑edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• 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.