Software Developer - Data Platform & Distributed Systems

CGG SA; Crawley; On-site; GBP 75,000 - 105,000; Full time

Benefits offered by this job

Hybrid work with up to 2 days at home

22 days annual leave with holiday buy‑

Bonus scheme

Competitive salary

Job summary

Viridien is seeking a Software Developer - Data Platform & Distributed Systems to contribute to the design and development of a distributed, microservices-based platform supporting data cataloguing, metadata management, and high-volume transactional workflows.

You will work across the backend stack, building scalable services and APIs, designing efficient data models, and optimising performance in a Kubernetes environment with MongoDB, PostgreSQL, Kafka and Redis.

Qualifications

• Proven experience building backend services and distributed systems.
• Solid experience with MongoDB and/or PostgreSQL.
• Familiarity with containerisation and orchestration (Docker, Kubernetes).
• Experience with messaging systems (Kafka) and caching (Redis).
• Strong focus on scalability and performance.

Responsibilities

• Backend Development & APIs: design, develop, and maintain scalable microservices with robust APIs.
• Data & Performance: model data efficiently and optimise read/write workloads.
• Platform & Infrastructure: contribute to CI/CD pipelines and Kubernetes deployments.
• Architecture & Reliability: participate in system design to ensure reliability and observability.

Skills

Backend development

Distributed systems

Golang

Observability

Leadership

High throughput systems

Tools

MongoDB

PostgreSQL

Kafka

Redis

Docker

Kubernetes

Job description

scalable, distributed data platforms that support high-volume, data-intensive workflows. The team works across backend engineering, infrastructure, and data systems, collaborating to deliver reliable, high-performance services in a modern cloud-native environment.

Key Responsibilities

• Backend Development & APIs Design, develop, and maintain scalable microservices. Build robust APIs and backend services interacting with databases, messaging systems, and caching layers.
• Data & Performance Design efficient data models and query patterns for high read/write workloads. Analyse and optimise application and database performance.
• Platform & Infrastructure Contribute to containerisation, CI/CD pipelines, and Kubernetes deployments. Support event-driven architectures using messaging systems and caching technologies.
• Architecture & Reliability Participate in system design and architecture discussions. Ensure reliability, observability, and performance of core services.

Qualifications Required

• Proven experience building backend services and distributed systems.
• Strong experience with MongoDB and/or PostgreSQL.
• Solid understanding of data modelling, indexing, and query optimisation.
• Experience with messaging systems (e.g., Kafka) and caching (e.g., Redis).
• Experience with Docker and Kubernetes.
• Strong focus on scalability, performance, and maintainable code.
• Strong problem-solving skills with the ability to diagnose complex issues.
• Preferred Experience working with high-throughput or low-latency systems.
• Familiarity with observability tools and performance profiling.
• Experience in data-intensive environments.
• Experience with Golang or willingness to learn.
• Demonstrated technical or project leadership experience.

Why work with us?

• Competitive salary commensurate with experience
• Highly attractive bonus scheme
• Hybrid model and flexible working with up to 2 days at home
• Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program

Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.

Job Details

Viridien is seeking a Software Developer - Data Platform & Distributed Systems to contribute to the design and development of a distributed, microservices-based platform supporting data cataloguing, metadata management, and high-volume transactional workflows. You will work across the backend stack, building scalable services and APIs, designing efficient data models, and optimising performance. The platform is containerised and deployed on Kubernetes, using technologies such as MongoDB, PostgreSQL, Kafka, Redis, and Golang.

About The Team

You will join a team focused on building

Company Benefits

• Company pension with generous employer contribution
• Wellbeing Unmind app - puts you in control of your mental health
• A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!
• Regular social club events, spontaneous reward events throughout the year
• Cycle purchase scheme
• Flexible Private Medical & Dental care programmes
• Bank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!
• Relaxed dress code policy #LI-PC1
• Learning and Development At Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.
• We Care About The Environment We encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.
• We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.