Strong Middle / Middle+ FullStack Developer (React + Node.js)
About Us:
We are an outsourcing company working on top-tier projects, ranging from large corporations to government departments. Now we are looking for a Strong Middle Fullstack JavaScript Developer who can independently drive tasks, make architectural decisions, and maintain high code quality across the stack.
This role is best suited for someone with 4+ years of commercial experience, a strong engineering mindset, and the ability to work autonomously.
Experience with AI tools (e.g. Claude) is expected, as we actively use them in our development processes.
Key Requirements
Frontend:
- Proficiency in React (modern hooks-based and class-based components).
- Experience with React Query, Redux, and other modern React libraries.
- Strong TypeScript skills β ability to write maintainable, type-safe code.
- Knowledge of CSS-in-JS solutions like Styled Components or Emotion.
- Familiarity with Webpack, Vite, or other modern build tools.
- Experience with Next.js (SSR, API routes, etc.) is a strong plus.
- Experience with WebSockets and real-time data handling (e.g., Socket.io).
Backend:
- Strong knowledge of Node.js and Express.
- Experience with MongoDB (Mongoose or native driver).
- Ability to design and consume RESTful APIs.
- Understanding of authentication/authorization flows (JWT, OAuth, etc.).
- Basic understanding of database performance and query optimization.
Additional Expectations:
- Solid theoretical knowledge of JavaScript and its core principles.
- Hands-on experience with AI coding tools, preferably Claude
- Logical thinking and a mathematical mindset.
- Ability to analyze requirements, propose solutions, and implement them autonomously.
- Experience in code reviews, and participation in architectural discussions.
- BachelorΚΌs degree or higher (preferably from a technical university).
- Good level of English (B2+)
Nice to Have (Highly Appreciated):
- Experience in crypto / blockchain domain
- Experience with GraphQL (Apollo Client, URQL, or server-side resolvers).
- Familiarity with n8n, Make.com, or similar workflow automation tools.
- Understanding of CI/CD, deployment pipelines, and GitHub Actions/Jenkins.
- Experience with Docker, containerized environments, and basic DevOps practices.
- Experience in mentoring.
What to Expect from Our Process
We take hiring seriously, and our process consists of three stages:
- HR Interview + Technical Knowledge Test
An initial conversation to get to know each other better, along with a test to assess your knowledge of core technologies. - Technical Interview + Live Coding
A deep dive into your technical expertise, including problem-solving tasks and a live coding session. Final Interview with COO
A final discussion to align on expectations, collaboration, and overall fit.
What We Offer:
- Competitive salary based on experience.
- Friendly and cohesive team environment.
- Paid sick leave and vacation available after one year of cooperation with the company.
- Opportunities for professional growth and development.
- Flexible working hours and the possibility of remote work.
- Exciting projects with modern technologies.
Required languages
| English | B2 - Upper Intermediate |
| Ukrainian | B2 - Upper Intermediate |
| Russian | B1 - Intermediate |