Senior Software Developer

Grid Dynamics Holdings; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading technology consulting firm based in London seeks a backend engineer to work on cutting-edge cloud-native financial technology solutions. The position involves designing and developing scalable distributed systems, primarily using Kotlin and Java. Candidates should have a strong background in backend engineering, familiarity with cloud-native technologies, and ideally experience in the finance sector. This role offers competitive salary and flexible working conditions.

Benefits

Flexible schedule

Benefits package

Professional development opportunities

Well-equipped office

Qualifications

• Strong background in Kotlin or Java backend engineering.
• Proven experience designing and building scalable, distributed enterprise systems.
• Familiarity with cloud-native architectures and technologies.
• Prior experience in finance, especially investment banking, is highly desirable.

Responsibilities

• Design, develop, and test scalable, mission-critical distributed systems.
• Collaborate with cross-functional teams across different regions.
• Contribute to the architecture and technical design of the new trading platform components.

Skills

Kotlin

Java

Cloud-native architectures

Problem-solving skills

Tools

Google Cloud Platform

Kubernetes

Postgres

Kafka

Job description

Overview

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Are you passionate about building cutting-edge financial technology solutions? Do you thrive on tackling complex, large-scale engineering challenges? Join our client, a leading international finance institution, on a strategic initiative to decommission a critical legacy trading platform and build a modern, cloud-native replacement from the ground up.

About the Project:

This multi-year project involves developing core components of a new pre- and post-trade lifecycle system. As part of a collaborative effort across Europe and Asia, you will contribute to a high-impact, mission-critical platform that will shape the future of trading technology for the client.

Client Overview:

Our client is one of the world's largest international finance institutions, headquartered in London with major technology hubs across Europe and Asia. Their engineering teams are based globally, working together to deliver innovative solutions.

Tech Stack:

• Primary language: Kotlin (with a readiness to learn and work in Kotlin if not already familiar)
• Cloud Platform: Google Cloud Platform (GCP)
• Container Orchestration: Kubernetes (GKE)
• Data Storage: Cloud SQL (Postgres)
• Messaging & Event-Driven Workflows: Pub/Sub, Kafka

Team & Growth Opportunities:

• Work in a hybrid environment with flexible office days in Central London, with modern facilities and excellent transport links.
• Join a growing program with multiple engineering teams across the globe, with additional team members expected to join over time.
• This is a long-term opportunity with potential for career advancement and cross-team movement within a strategic, high-visibility initiative.

Responsibilities

• Design, develop, and test scalable, mission-critical distributed systems using Kotlin and Java.
• Collaborate with cross-functional teams across different regions to deliver high-quality software solutions.
• Contribute to the architecture and technical design of the new trading platform components.
• Work within a cloud-native environment, leveraging GCP, Kubernetes, and modern development tools.
• Engage in continuous learning and development, particularly around cloud-native architectures and technologies.
• Support ongoing integration, deployment, and operational activities to ensure system stability and performance.

Qualifications

• Strong background in Kotlin or Java backend engineering, with a willingness to learn Kotlin.
• Proven experience designing and building scalable, distributed enterprise systems.
• Familiarity with cloud-native architectures and technologies.
• Prior experience in finance, especially investment banking, is highly desirable.
• Excellent problem-solving skills and ability to work effectively in a collaborative, multi-cultural environment.

What 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.