Senior Node.js Developer (FinTech Project)
Are you ready to take on a key role in developing cutting-edge financial solutions? We are looking for a Senior Node.js Engineer to join our distributed agile team and work on a highly secure, scalable FinTech platform used by businesses across Europe.
We at Sigma Software value innovation, technical excellence, and collaboration. This position offers the opportunity to work with modern technologies such as Node.js, TypeScript, React, AWS, and microservices architecture.
You’ll have the chance to work on impactful projects, enjoy flexible working arrangements, and grow your expertise alongside talented professionals.
CUSTOMER
Our Customer is one of Europe’s fastest-growing FinTech companies, providing a comprehensive payment platform that integrates financial services into its products. Their solutions include account management, virtual cards, bank transfers, and other advanced features. The company is known for its innovative approach to simplifying financial operations for businesses, ensuring security, scalability, and user-centric design.
PROJECT
The project focuses on building and enhancing a secure, scalable, and user-friendly financial services platform used by businesses across Europe. The team is distributed and agile, with a strong emphasis on engineering best practices and code quality.
Key Technologies: Node.js, TypeScript, React, AWS, Microservices, REST, GraphQL.
RESPONSIBILITIES
Design, develop, and implement large-scale software solutions using Node.js and React
Ensure high quality and maintainability of code across all stages of development
Collaborate closely with cross-functional teams to gain full context for complex tasks
Adhere to engineering best practices, company policies, and client guidelines
Provide mentorship, technical guidance, and coaching to less-experienced engineers
Advocate for clean code principles, design patterns, and architectural best practices
Design and maintain distributed and secure systems, ensuring scalability and performance
Build and integrate APIs into the platform
Work with AWS services and DevOps practices to ensure reliability and efficiency
REQUIREMENTS
Over 5 years of experience in Back-End software development
At least 3 years of experience with TypeScript
Over 4 years of experience working with Node.js
Strong experience in designing distributed and secure systems
Strong experience working with AWS
Good Front-End development skills
Good understanding of microservices architectures
Experience in designing, building, and maintaining APIs
Experience in building and consuming REST and/or GraphQL APIs
Familiarity with DevOps practices
Good knowledge of testing best practices
At least an Upper-Intermediate level of English
WILL BE A PLUS
Experience with modern JavaScript and ES6 libraries
PERSONAL PROFILE
Proactive problem-solver with a strong sense of ownership
Effective communicator and team collaborator
Adaptable to changing priorities and requirements

Sigma Software
Sigma Software is a global software development company founded in 2002. It enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery, providing top-quality software dev...Senior Node.js Developer (FinTech Project)
Senior Node.js Developer (FinTech Project)