Software Engineer, Node.js

WA.Technology

Mid-level Node.js Software Engineer developing scalable backoffice solutions for a B2B iGaming platform. Collaborating with cross-functional teams to ensure high-quality and seamless integrations.

Posted 5/7/2026full-timeBucharest • 🇷🇴 RomaniaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

JavaScriptMicroservicesMongoDBNode.jsRedisSQL

About the role

Key responsibilities & impact

Collaborate with product owners, designers, and other developers to understand project requirements and translate them into technical specifications.
Design, develop, and maintain high-quality, scalable, and secure Node.js applications, with a strong focus on backoffice functionality.
Write clean, efficient, and well-structured code following industry standards and best practices.
Develop and integrate RESTful APIs and microservices to ensure smooth communication between front-end and backend systems.
Perform unit testing, debugging, and optimization to ensure reliability, performance, and seamless user experience.
Continuously identify areas for improvement and implement enhancements to increase system performance and maintainability.
Stay up to date with modern Node.js and backend development trends, tools, and technologies.
Participate in code reviews, technical discussions, and knowledge-sharing sessions to support team collaboration and growth.

Requirements

What you’ll need

3+ years of experience as a Node.js developer or similar with a strong understanding of OOP principles.
Strong understanding of Node.js and modern backend development practices.
Hands-on experience with Express.js, NestJS, or similar frameworks.
Experience working with REST APIs, microservices architecture, and integration with frontend or backoffice interfaces.
Familiarity with agile development methodologies.
Practical experience with databases such as SQL, MongoDB, or Redis, including schema design and optimization.
Good understanding of asynchronous programming, event-driven architecture, and API performance.
Strong problem-solving skills and the ability to troubleshoot complex issues independently.
Solid communication skills and the ability to work effectively in a collaborative team environment.
Self-motivated, proactive, and accountable for delivering high-quality results.

Benefits

Comp & perks

Flexible work environment with a hybrid work setup
Opportunity to work with well-connected industry leaders.
A leadership approach that fosters innovation, creativity, and trust.
Opportunity to experience the buzz of highly driven and motivated work colleagues.
Experience a start-up feel in a fast-paced growth-driven environment.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Node.jsOOP principlesExpress.jsNestJSREST APIsmicroservices architectureSQLMongoDBRedisasynchronous programming

Soft Skills

problem-solvingcommunicationcollaborationself-motivatedproactiveaccountability