NodeJS Developer with Java

About createIT

We work on large, international and mature projects, frequently operating on gigabytes of data. As such, our projects require constant tweaking and optimization. Our teams are characterized by different sizes and workflow, and we offer a lot of flexibility when it comes to the choice of solutions. We mostly work with Seniors and experts in a given field, creating optimal grounds for the exchange of experience.

About role

We are looking for a motivated Node.js Developer with Java to build scalable backend solutions and innovative features. You will work on projects such as KYC automation, P2P transactions, and mobile payment integrations in a dynamic, collaborative team environment. If you are eager to enhance your skills and contribute to groundbreaking technology in online financial services, join us!

A few words about the team

You will collaborate with a team of Mobile Developers, Backend Developers, and a Business Analyst to extend a constantly growing new platform. In case of any technical decisions, CTO is actively also developing the product. The team’s focus is on creating innovative, real-world functionalities while maintaining a supportive and growth-oriented environment.

Your tasks:

• Design, implement, and develop backend applications using Node.js.
• Development and expansion of the routing system, which is primarily built in Java.
• Create and optimize RESTful APIs.
• Develop innovative features such as automated KYC processes, peer-to-peer transactions, bill sharing, and mobile payment integrations (e.g., BLIK).
• Integrate with databases (SQL/NoSQL).
• Participate in designing system architecture and solutions.
• Troubleshoot and optimize existing systems.
• Collaborating with team members.

The technologies you will be using:

Typescript, Node.js, Serverless (AWS Lambda), Java

Skills:

Must have

• Practical experience with Node.js (commercial or personal projects).
• Practical experience with Java (routing system).
• Familiarity with frameworks such as Express, NestJS, or Koa.
• Practical experience with TypeScript.
• Experience with databases (e.g. PostgreSQL, MongoDB, or MySQL).
• Understanding of version control systems (Git).
• Ability to write unit and integration tests (e.g. Jest).
• Knowledge of design patterns and object-oriented programming principles.
• Strong communication and teamwork skills.
• Proficiency in English.

Nice to have

• Experience with cloud platforms (AWS, Google Cloud, Azure).
• Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI).

Perks & Benefits

• Private medical healthcare.
• Sport Packages.
• Internal Trainings.
• Recommendation bonus.
• Stable projects within a supportive, growing environment.
• Team support and opportunities for professional development.
• Stable employment based on a B2B contract.