Full Stack (React.js/Node.js) Developer

RemoteSalary not specified
Ukraine

Tech Stack

ReactCSSNode.jsPostgreSQLAWSJavaScriptHTML

Job Description, Responsibilities & Requirements

Description language:

About the Position

Full Stack (React.js/Node.js) Developer

Remote

About the Company

Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 11 years of experience in web and mobile application development. Our team consists of more than 120 specialists from 6 countries.

We have successfully navigated challenges such as the COVID-19 pandemic and war aggression against Ukraine, ensuring sustainable development processes, safeguarding all our projects and jobs. We are continuously growing.

Our expertise spans several areas:

  • Healthcare
  • Real estate
  • Livestream E-commerce
  • Fintech (Wealth Tech, Capital Trading)
  • Real Time Communications (RTC)

Additionally, we develop two of our own solutions to help our customers achieve faster applications for video or audio calls (https://www.softermii.com/solutions/vidrtc) and an application for real estate with 3D visualization (https://www.softermii.com/solutions/apartmii).

Company mission:

Softermii: Succeed Without (L) imitations

We will turn any idea into a valuable product.

Our plans as a company:

We aim to transition from a regular outsourcing business to an ecosystem of outsourcing, education, and product development companies. Over the years, we have developed a highly personalized working model with transparent workflows, enabling us to create software products that precisely meet our clients’ goals.

Project

The project is a cardio platform designed to enhance heart signal data from a medical device and provide doctors with a convenient interface to process cardio health information.

Key features of the platform include:

  • Infinite charts for cardio graphs
  • Processing and rendering large files with efficient FE display in parallel
  • Detecting various events on the graphs and visualizing them directly on the charts

Responsibilities

  • Active participation in Scrum ceremonies: daily stand-ups, planning, grooming, and client demos.
  • Feature development within estimated timelines, with responsibility for meeting deadlines.
  • Team support: code reviews, troubleshooting, and retrospectives.
  • Product discussions with the PM, providing feedback, and suggesting optimizations.
  • Involvement in risk management and brainstorming during critical issues.
  • Active use of Claude Code and Cursor.

Requirements

  • 4-5 years of commercial experience in software development with React.js and Node.js
  • Strong backend expertise (Node.js / Nest.js) with solid frontend knowledge (React.js)
  • Proficiency in JavaScript/TypeScript, HTML, CSS
  • Experience with PostgreSQL
  • Hands-on experience with AWS services: Cognito, Lambda, DynamoDB, CloudWatch, API Gateway
  • Ability to efficiently display and manage large datasets using React (Virtuoso - will be a plus)
  • Experience with dynamic data visualization (ECharts - will be a plus)
  • Knowledge of Parquet file querying (DuckDB - will be a plus)
  • Familiarity with search engines: ElasticSearch, OpenSearch
  • Upper-Intermediate English level

Nice to Have

  • Strong Leadership & Ownership Mentality
  • Effective Communication (Internal & Client-Facing)
  • Proactive Problem Solving & Critical Thinking
  • Collaboration & Cross-Functional Alignment
  • Constant self-development

We Offer

  1. Stable and highly-functioning processes – everyone has their own role and clear responsibilities, so decisions are made quickly and without unnecessary approvals.
  2. Independence to make decisions that can affect not only the project but also the work of the company.
  3. A team of like-minded experts who create interesting products during working hours and enjoy spending free time together.
  4. An individual development plan and mentoring from our seniors and leaders.
  5. A referral bonus system: recommend a friend and get a bonus if they join us.
  6. 21 paid vacation days and 11 paid days off for Public Holidays.
  7. 5 paid sick leave days per year.
  8. Opportunities to volunteer and support your well-being in various ways.

About the Company

Softermii is an outsourcing/outstaffing company with more than 11 years of experience in web and mobile application development. Our team consists of more than 120 specialists from 6 countries.

We have successfully navigated challenges such as the COVID-19 pandemic and war aggression against Ukraine, ensuring sustainable development processes, safeguarding all our projects and jobs. We are continuously growing.

Our expertise spans several areas:

  • Healthcare
  • Real estate
  • Livestream E-commerce
  • Fintech (Wealth Tech, Capital Trading)
  • Real Time Communications (RTC)

Additionally, we develop two of our own solutions to help our customers achieve faster applications for video or audio calls (https://www.softermii.com/solutions/vidrtc) and an application for real estate with 3D visualization (https://www.softermii.com/solutions/apartmii).

Company mission:

Softermii: Succeed Without (L) imitations

We will turn any idea into a valuable product.

Our plans as a company:

We aim to transition from a regular outsourcing business to an ecosystem of outsourcing, education, and product development companies. Over the years, we have developed a highly personalized working model with transparent workflows, enabling us to create software products that precisely meet our clients’ goals.

Referral Program

Didn’t find a suitable vacancy, but know who can be perfect for our open position?

Refer a friend and get a bonus in case of a match! Provided that it’s a match made in heaven, three weeks after your friend starts working you’ll get 50% of the bonus, and the next 50% you’ll receive after your friend successfully finishes the trial period.

You’ll get this bonus if your friend is

  • Lead/Head/C-level: $700
  • Senior: $500
  • Middle: $300
  • Strong Junior: $200

Apply now

Job Details

Company name:
Softermii
Location:
Ukraine
Employment Type:
Full-time
Work Mode:
Remote
Posted on TheJob:
Mar 26, 2026
Last checked:
Aug 13, 2026
Apply Now