Senior Backend Developer

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Ve3
ScreenedJust posted
London
Posted 1 day ago
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About the role

Job Title: Senior Backend Developer (5–7 Years Experience)<\/b>
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Role Mission: <\/b>
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As a Senior Backend Developer, you will be responsible for building the "brains" of our application. You will design, develop, and maintain server -side logic, ensuring high performance and responsiveness to requests from the front -end. You will play a critical role in architectural decisions and mentor mid -level developers to maintain a high standard of engineering excellence.
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Requirements <\/h3>

Key Responsibilities: <\/b>
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  • API Design & Development: <\/b> Build and maintain robust, scalable RESTful or GraphQL APIs.
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  • Database Management: <\/b> Design complex relational and non -relational schemas, optimizing queries for performance and scalability.
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  • System Architecture: <\/b> Contribute to microservices design, ensuring services are decoupled, testable, and maintainable.
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  • Performance Tuning: <\/b> Identify bottlenecks in the code or database and implement caching strategies (e.g., Redis) or code refactors to improve latency.
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  • System Integration: <\/b> Design the communication layer between Python and Node.js services (e.g., via gRPC, RabbitMQ, or Kafka).
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  • Security: <\/b> Implement best practices for data protection, authentication (OAuth2, JWT), and authorization across all services.
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  • DevOps Collaboration: <\/b> Work closely with DevOps to manage CI/CD pipelines and ensure smooth deployments via Docker/Kubernetes.
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  • Mentorship: <\/b> Lead code reviews and technical grooming sessions to foster a culture of continuous learning.
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    Technical Skills Required: <\/b>
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    Languages: <\/b>
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    • Proficiency in at least one: Java (Spring Boot), Go, Python (Django/FastAPI), or Node.js.
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    Architecture: <\/b>
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    • Solid understanding of Microservices, Event -Driven Architecture, and Message Brokers (Kafka, RabbitMQ).
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    Databases: <\/b>
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    • Deep expertise in PostgreSQL/MySQL and NoSQL solutions like MongoDB or DynamoDB.
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    Cloud Services: <\/b>
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    • Hands -on experience with AWS (EC2, S3, RDS, Lambda), Azure, or GCP.
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    Testing: <\/b>
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    • Mastery of Unit, Integration, and End -to -End testing (TDD/BDD).
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    Tools: <\/b>
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    • Git, Docker, Kubernetes, and monitoring tools like Prometheus or Datadog.
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    Infrastructure & DevOps (2025 Standards)<\/b>
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    • Cloud Native: <\/b> Advanced experience with AWS (Lambda, ECS, RDS) or equivalent GCP/Azure services.
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    • Orchestration: <\/b> Experience deploying and scaling containerized applications using Docker and Kubernetes.
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    • Observability: <\/b> Setting up monitoring and distributed tracing using OpenTelemetry, Datadog, or ELK Stack. <\/span>
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      What We Are Looking For: <\/b>
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      The "Why" over the "How": You don't just write code; you understand the business implications of choosing one library or database over another.
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      Legacy Mindset: <\/b> You write code that is clean, documented, and easy for the next developer to understand.
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      Problem Solving: <\/b> You have a proven track record of debugging complex production issues that span multiple services.
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      Communication: <\/b> You can explain technical constraints to non -technical stakeholders (Product Managers, Designers) effectively.
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      Benefits <\/h3>
      • Work on cutting -edge technologies and impactful projects.
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      • Opportunities for career growth and development.
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      • Collaborative and inclusive work environment.
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      • Competitive salary and benefits package.
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