Senior Node.js Engineer

Geniusee; Remote; PLN 120,000 - 180,000; Full time

Job summary

A technology company in Warsaw is seeking an experienced software developer specializing in Node.js and AWS. You will architect and develop a modern payments platform, mentor junior developers, and lead project architecture. The ideal candidate will have a strong background in fintech and a proactive approach to security. This role offers competitive compensation, flexible working hours, and the option to work remotely.

Benefits

Competitive compensation

Professional study compensation

VIP medical insurance

Unlimited work from home

Flexible working hours

Paid vacation

Qualifications

• Experience with Node.js on top of NestJS.
• Experience with AWS and Aurora RDS.
• Expert level proficiency in Node.js with extensive experience in software architecture.
• Strong leadership skills, with experience in project management.

Responsibilities

• Architect and develop high-performance server-side applications using Node.js.
• Mentor junior and mid-level developers.
• Lead the development of project architecture.
• Coordinate cross-functional team efforts.

Skills

Node.js

NestJS

TypeScript

AWS

Aurora RDS

Serverless

PostgreSQL

Cognito

Payment processing understanding

Security practices

Docker

Kubernetes

Job description

Our mission at Geniusee is to help businesses thrive through tech partnerships and strengthen the engineering community by sharing knowledge and creating opportunities🌿

We care about Trust, Partnership, Transparency, and Responsibility. We offer a safe, inclusive and productive environment for all team members, and we’re always open to feedback💜

FinTech. We’re building a modern payments orchestration platform from scratch — a flexible solution that streamlines and automates payment flows for any industry, from e-commerce to travel.

Requirements

• Experience with Node.js on top of NestJS;
• Experience with TypeScript;
• Experience with AWS;
• Experience with Aurora RDS;
• Experience with Serverless;
• Experience with PostgreSQL;
• Experience with Cognito;
• Fintech Experience: Understanding of payment processing, transaction lifecycles, and idempotency.
• Security First: Implementation of OWASP standards, data encryption, and secure API design (experience with PCI DSS constraints is a huge advantage).
• Expert level proficiency in Node.js with extensive experience in software architecture and design patterns;
• Ability to design and implement complex software solutions, ensuring robust error handling, security, and data protection;
• Proficient in handling security measures, including OWASP best practices, encryption, and secure API design;
• Strong leadership skills, with experience in project management, resource allocation, and team coordination;
• Excellent problem-solving skills, with a deep understanding of software engineering fundamentals and best practices;
• Experience with containerization and orchestration tools like Docker and Kubernetes, and familiarity with microservices architecture.

Would be a plus

Golang experience - a big plus.

What you will do

• Architect and develop high-performance server-side applications using Node.js, ensuring scalability and maintainability;
• Mentor junior and mid-level developers, overseeing their integration into project teams and fostering their professional growth;
• Lead the development of project architecture, establishing best coding practices, design patterns, and architectural principles;
• Evaluate and implement advanced software engineering processes, tools, and methodologies to enhance development efficiency;
• Coordinate cross-functional team efforts, ensuring alignment with project goals, timelines, and quality standards;
• Stay updated with the latest industry trends, technologies, and best practices, and apply them to enhance the development process.

What you will get

• Competitive compensation including fix part and variable bonus based on performance.
• Exciting, challenging and stable startup projects with a modern stack;
• Ability to practice English and communication skills through permanent interaction with clients from all over the world;
• Professional study compensation, online courses and certifications;
• Career development opportunity, semi-annual and annual salary review process;
• Necessary equipment to perform work tasks;
• VIP medical insurance or sports coverage;
• Informal and friendly atmosphere;
• The ability to focus on your work: a lack of bureaucracy and micromanagement;
• Flexible working hours (start your day between 8:00 and 11:30);
• Paid vacation (18 working days) and sick leaves;
• Cozy offices in 2 cities ( Kyiv & Lviv ) with electricity and Wi-Fi (Generator & Starlink)
• Compensation for coworking (except for employees from Kyiv and Lviv)
• Unlimited work from home from anywhere in the world (remote);
• Geniusee has its own charity fund.

Please be informed that the data administrator is Geniusee LLC with headquarter at BC Y4, Yaroslavsky Lane 4, 04071, Kyiv, Ukraine. Processing of personal data is carried out in accordance with the Law of Ukraine "On Protection of Personal Data" dated 01.06.2010 No. 2297-VI. You have the right to request access to your personal data, their release, removal or restriction of admission, the right to make a warning against admission, as well as the right to transfer the data and to make arrangements. The submission of data is voluntary and this personal data is processed in order to manage candidate applications and recruitment (selection process, interview follow-up, your job alerts management). Refusal to provide these obligations may result in a lack of opportunity to conduct the recruitment process.

Candidate personal data is addressed to Geniusee and is available to our recruitment teams, our employees involved in the recruitment process, our HR teams, and our IT teams which administrate our tools. As a part of our recruitment process evaluation, some of your data (name, surname, email address) may be used in charge of organizing events during which we may invite certain candidates.

Thinking about joining our team?

Explore our background, values and benefits. Our company brings together some very interesting individuals and we are happy to help each other to become better and grow together