Full Stack; React.js​/Node.js Developer

About The Company

Research and Development Office

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

Remote

Softermii () is an outsourcing/out staffing company with more than 11 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries.

We have withstood multiple challenges, such as COVID‑19 pandemic and war aggression against Ukraine, we have secured sustainable development processes, saved all our projects and jobs. Even more – we’re constantly growing.

Every day, we add a new project to our portfolio in the following areas of expertise:

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

In addition, we develop 2 of our own solutions that help our customers get faster applications for video or audio calls () or an application for real estate with 3D visualization ()

Softermii:
Succeed Without (L) imitations

We will turn any idea into a valuable product.

We want to move from a regular outsourcing business to an ecosystem of outsourcing, education and product development companies.

Over the years, we have arrived at a highly personalized working model with transparent workflows. This model allows us to create software products that meet our clients’ goals with precision.

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.

• 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.

Full‑time

• 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.

Client's side:
Product Manager + other stakeholders + the ML team.

On Softermii's side: 1 Full Stack Developers, 1 QA, 1 PM, 1 Dev Ops, 1 Architect.

Jira, Confluence, Git, Figma

• 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/Type Script, HTML, CSS.
• Experience with Postgre
  
  SQL.
• Hands‑on experience with AWS services:
  Cognito, Lambda, Dynamo
  
  DB, Cloud Watch, 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:
  Elastic Search, Open Search.
• Upper‑Intermediate English level.

• Strong Leadership & Ownership Mentality
• Takes full responsibility for the technical direction and delivery of his part.
• Shows great results, sets high standards.
• Effective Communication (Internal & Client‑Facing)
• Communicates clearly and confidently with both technical and non‑technical stakeholders.
• Translates client needs into actionable tasks and explains technical concepts in simple terms.
• Proactive Problem Solving & Critical Thinking
• Identifies issues early, asks the right questions, and thinks ahead to avoid roadblocks.
• Balances trade‑offs thoughtfully when making technical or process decisions.
• Collaboration & Cross‑Functional Alignment
• Works closely with product managers, designers, QA, and other roles to ensure shared understanding.
• Encourages alignment through open dialogue and shared goals.
• Constant self‑development. A motivated person who acquires and learns new skills understands where they want to develop and what they want to achieve in the long and short term.

If this sounds like you – apply and let’s build something great…