Senior Backend Engineer

Posted 5 months agoViewed

💎 Seniority level: Senior, 4+ years

📍 Location: Nigeria

🔍 Industry: Payments

🗣️ Languages: English

⏳ Experience: 4+ years

🪄 Skills: Node.jsMySQLProduct ManagementTypeScriptProduct designMicroservices

4+ years of experience building large-scale and data-intensive applications.
Expertise in building performant applications, working with large data, microservices, and distributed systems.
Familiarity with Node.js, Typescript, and MySQL.
Experience working on low latency, high throughput distributed systems and with microservice architectures.
Attention to detail and excellent communication skills.
Experience engaging in collaborative multi-functional teams.
Experience with test frameworks and writing quality tests.

Designing, implementing, and maintaining secure large-scale payment solutions to support merchants and the business.
Collaborating with relevant stakeholders to improve and optimize the reliability and performance of current applications.
Participating actively in code and technical reviews.
Documenting development phases and monitoring/debugging systems.

Posted 28 days ago

📍 EMEA

🧭 Full-Time

🔍 Emergency response

🔧 Requirements

Strong experience in Node.js and other JavaScript-based backend frameworks.
Deep understanding of both GraphQL and RESTful APIs, API design principles, and modern API tools.
Solid experience with real-time systems and related protocols like WebSockets or MQTT.
Experience with event-driven architectures.
Advanced knowledge of SQL and relational database management systems.
Familiarity with NoSQL databases.
Experience with optimizing database queries, schema design, and reducing database dependency.
Strong knowledge of designing modular and decoupled systems.
Experience in implementing microservices and distributed system architectures.
Experience with modular monolith architectures.
Proven ability to optimize APIs for high concurrency and low latency.
Experience in caching mechanisms (e.g., Redis, Memcached) and load-balancing techniques.
Proficient in backend testing frameworks.
Familiarity with CI/CD pipelines and containerization technologies.
Familiarity with observability practices & tools for monitoring backend services.
Collaborative mindset and excellent communication and leadership abilities.
Strong problem-solving skills.
Ability to work in an agile development environment.
Commitment to delivering reliable and efficient work/high work quality expectations.

💡 Responsibilities

Lead the design, development, and optimization of a sophisticated API layer for real-time operations.
Migrate existing architecture to a more modular, service-oriented approach.
Ensure APIs are highly performant, scalable, and resilient for real-time applications.
Collaborate with cross-functional teams to define backend architecture that supports real-time data processing.
Develop and implement best practices for data access, caching, and transaction handling.
Implement strategies for efficient data fetching and reduced database dependency.
Implement unit tests, integration tests, and other automated testing frameworks to ensure API reliability.
Monitor and improve backend performance metrics (latency, throughput, etc.).
Identify bottlenecks in the current database and API layer and propose effective solutions.
Lead backend development efforts, ensuring deliverables are met on time.
Collaborate with various teams to ensure successful deployment and migration to new architectures.
Define new architectures and strategies for improved performance and developer experience.

GraphQLNode.jsSQLRedisNosqlCI/CDRESTful APIsMicroservices

Posted 28 days ago