Backend Developer

Summary

Join Leadtech as a Node JS Developer and manage the server-side logic, database, and high-performance responsiveness for our applications. You will collaborate with front-end developers, integrating their elements into the application. This role requires strong proficiency in JavaScript, Typescript, Node.js, and relevant frameworks. You will work as part of an Agile team, contributing to process and infrastructure improvements. Leadtech offers a dynamic international work environment with competitive salary, benefits, and opportunities for professional development. We offer flexible work arrangements, including remote work options.

Requirements

• Strong proficiency with JavaScript and Typescript
• Knowledge of Node.js and frameworks like Express and Nestjs
• Experience with building REST APIs
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Understanding accessibility and security compliance
• Experience with user authentication and authorization between multiple systems, servers, and environments
• Experience with integrating multiple data sources and databases into one system
• Understanding fundamental design principles behind a scalable application
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Proficient understanding of code versioning tools, such as Git

Responsibilities

• Work as part of a team developing applications and services using Agile development methods
• Contribute to team and organizational improvements in process and infrastructure
• Develop back-end services for payment processing administration and management
• Code, test, and operate Node.js based services
• Effectively use tools and ingenuity to identify and fix defects before they become a problem
• Integrate user-facing elements developed by front-end developers with server side logic
• Write reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and high-performance applications
• Implement security and data protection
• Integrate data storage solutions
• Create database schemas that represent and support business processes
• Implement automated testing platforms and unit tests with test frameworks like Jest

Preferred Qualifications

• Previous working experience as a Node.js Developer for 3 years
• BA in computer science or similar relevant field
• Familiarity with the whole web stack, including protocols and web server optimization techniques
• Strong analytical skills and problem-solving aptitude
• Attention to details
• Experience with SQS, Redis and Elasticsearch

Benefits

• Competitive salary
• Full-time, permanent contract
• Private health insurance
• 25 days of holiday + your birthday off
• Flexible vacation time (no blackout days)
• Flextime (7-9.30h / 15:30-18:30h)
• Free Friday afternoons (a 7-hour workday!)
• 35-hour week for the full month of August (free afternoons!)
• Flexibility to work from home
• Other benefits paid from the gross salary (ticket restaurant, transport tickets, nursery tickets)
• Team-building activities
• Monthly afterwork
• Free coffee and snacks
• Free fresh fruit
• English courses
• Permanent internal training + annual budget for external training
• Games room (Nintendo, table tennis, futbolín)
• Terrace at the office
• An innovative approach to all internal processes and businesses
• Work with the latest technologies + Career progress opportunities