Senior React/Node.js Developer (FinTech Project)

• Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on Node.js and ReactJS
• Maintain a consistently high level of quality throughout all stages of the development
• Communicate effectively to collaborate closely with the team and gain full context for complex tasks
• Follow the best engineering practices, as well as company and client guidelines
• Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
• Promote clean code, as well as design patterns and principles

• 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
• 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
• Strong experience working with AWS
• Good knowledge of testing best practices
• At least an Upper-Intermediate level of English

WOULD BE A PLUS

• Experience with modern JavaScript and ES6 libraries

Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.

Originally posted on Himalayas

Position Details

• Job Title: Senior React/Node.js Developer (FinTech Project)
• Company / Organisation: Sigma Software
• Location: Worldwide / Remote
• Employment Type: Full-time
• Field / Industry: Software Development
• Work Arrangement: Remote — open to candidates worldwide

About This Opportunity

This full-time opportunity at Sigma Software is an excellent opening for experienced professionals in the field of software engineering and technology. The role is structured around a fully remote setup — offering you the freedom to work from any location in the world and is designed for candidates who are ready to make a meaningful contribution from the moment they join.

As a remote-first position, this role welcomes qualified candidates from across the globe. You will be expected to manage your schedule independently, communicate proactively, and deliver results consistently — hallmarks of a high-performing remote professional.

Whether you are an established practitioner in software engineering and technology or a highly skilled professional looking for your next challenge, this Senior React/Node.js Developer (FinTech Project) role offers the platform to apply your expertise in a real-world, results-oriented environment. Sigma Software is looking for a candidate who can hit the ground running and add genuine value to the team.

Who Should Apply

This role is ideal for candidates who have a solid background in software engineering and technology and a demonstrable track record of delivering high-quality results. You should possess analytical thinking, attention to technical detail, and a methodical approach to problem-solving. Experience working with modern development tools, version control systems, and cloud platforms will be an advantage, though a commitment to continuous learning and professional development is equally valued.

Beyond technical or domain expertise, Sigma Software is looking for someone who communicates clearly, collaborates effectively with colleagues and stakeholders, and takes ownership of their work from start to finish. If you thrive in a professional environment and are passionate about the opportunity to build reliable, scalable, and high-performing digital products, we encourage you to apply.

Key Competencies for This Role

Successful candidates for the Senior React/Node.js Developer (FinTech Project) position at Sigma Software will typically demonstrate the following core competencies:

• Domain expertise — a strong foundation of knowledge and hands-on experience in software engineering and technology
• Problem-solving ability — the capacity to identify challenges, think critically, and implement practical solutions efficiently
• Communication skills — clear and professional communication with colleagues, stakeholders, and partners at all levels
• Self-management — strong time management and the ability to prioritise a varied workload while meeting deadlines
• Team collaboration — a collaborative and supportive approach to working alongside colleagues across departments or locations
• Adaptability — the ability to respond positively to change and thrive in a dynamic, evolving work environment

How to Apply

To apply for this Senior React/Node.js Developer (FinTech Project) position at Sigma Software, click the "Apply Now" button on this page. You will be taken directly to the official application page where you can complete and submit your application.

Before applying, please ensure that your CV or résumé is fully up to date and clearly highlights your experience and accomplishments in software engineering and technology. If a cover letter is included or requested, tailor it specifically to this role and explain how your background, skills, and goals align with what Sigma Software is looking for in a Senior React/Node.js Developer (FinTech Project).

All applications for this role are processed directly by Sigma Software. Career Nest facilitates the job discovery process and does not pre-screen or forward applications on behalf of employers. There are no fees for job seekers at any stage of the application process.

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