MongoDB Developer

Salary: £29,500 - 57,500 per year

Requirements

• 6 to 10 years of professional software development experience in SQL and NoSQL, with at least 5 years focused on MongoDB.
• Thorough understanding of MongoDB architecture, including Wired Tiger engine and BSON.
• Proficiency in integrating MongoDB with backend runtimes such as Node.js/Express, Python/Django/Fast API, or Java/Spring Boot.
• Hands-on experience with AWS, Azure, or GCP environments for database hosting.
• Working experience with Data Modeling Tools like MongoDB Compass, Mongoose, or other ODM/ORM frameworks.
• Exceptional analytical, troubleshooting, and communication skills.
• Understanding of data models in RDBMS and NoSQL environments.
• Knowledge of database best practices.
• Familiarity with monitoring tools.
• Exposure to Agile delivery environments.

Responsibilities

• Design and implement advanced MongoDB data models (normalized/denormalized) to support evolving application needs.
• Profile and fine-tune database performance by implementing sophisticated indexing strategies and analyzing query execution plans.
• Manage distributed database architectures, including sharded clusters and replica sets to ensure 99.9% uptime.
• Develop complex aggregation pipelines and optimize read/write operations for large-scale datasets.
• Expertly manage MongoDB Atlas deployments, including security configurations and cloud-native monitoring.
• Implement robust security measures, including Role-Based Access Control (RBAC) and regular security audits.
• Automate routine database operations using CI/CD pipelines and scripting languages.
• Provide technical guidance and code reviews for junior developers, ensuring adherence to best practices in MongoDB development.
• Champion database best practices and contribute to continuous improvement across the engineering function.
• Lead end-to-end database delivery, including schema design, performance tuning, and ongoing health monitoring across the full development lifecycle.

Technologies

• API
• AWS
• Azure
• Backend
• CI/CD
• Cloud
• Django
• GCP
• Support
• Java
• MongoDB
• mongoose
• NoSQL
• Python
• RBAC
• SQL
• Security
• Spring
• Spring Boot
• NodeJS
• Bash
• DevOps
• JavaScript
• REST

More

We are seeking a MongoDB Developer to join our team in London, UK, for a 6-month assignment, working 3 days a week. In this role, you will be responsible for architecting, implementing, and optimizing scalable NoSQL data solutions across complex application environments. We offer a collaborative work environment that encourages mentorship and continuous improvement. Our team is dedicated to delivering secure and efficient data platforms, and we are looking for a passionate developer who can contribute to our goals.

last updated 13 week of 2026