--- title: 'Frontend Developer (React) – Junior / Middle at Careerswift' canonical: 'https://feeny.ai/job/frontend-developer-react-junior-middle-careerswift-united-states-s8jytq46nm1h' type: 'job' last_seen: '2026-09-06' --- # Frontend Developer (React) – Junior / Middle at Careerswift - **Company:** Careerswift - **Location:** United States - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-08-17 - **Last confirmed live:** 2026-09-06 - **Apply:** https://jobs.ashbyhq.com/careerswift.ai/46cf175c-56c7-44a9-b3f6-d9ab48c68b2e ## Job description We are looking for a Frontend Developer (React) to join our growing engineering team. Whether you're a strong Junior ready to take the next step or a Middle-level developer looking for new challenges, we'd love to hear from you. In this role, you'll work closely with designers, backend developers, and product managers to build intuitive, responsive, and high-performance web applications. You'll contribute to new feature development, improve user experience, and help maintain a scalable and maintainable frontend architecture. ## RESPONSIBILITIES - Develop and maintain modern web applications using React. - Build responsive, user-friendly interfaces based on UI/UX designs. - Collaborate with backend developers to integrate RESTful APIs and GraphQL services. - Write clean, reusable, and maintainable code following best practices. - Optimize application performance, accessibility, and responsiveness. - Debug, troubleshoot, and resolve frontend issues. - Participate in code reviews and contribute to improving development standards. - Stay up to date with modern frontend technologies and best practices. ## REQUIREMENTS Junior Level - 2+ years of commercial experience with React. - Good knowledge of JavaScript (ES6+) and/or TypeScript. - Understanding of HTML5, CSS3, and responsive web development. - Experience with Git and version control workflows. - Familiarity with REST APIs. - Basic understanding of component-based architecture. - Strong problem-solving skills and willingness to learn. - Good English communication skills. Middle Level - 4+ years of commercial frontend development experience. - Strong experience with React and modern JavaScript/TypeScript. - Experience with state management solutions (Redux, Zustand, Context API, etc.). - Experience integrating REST and/or GraphQL APIs. - Solid understanding of performance optimization and frontend best practices. - Experience with modern CSS solutions (Tailwind CSS, Styled Components, SCSS, Material UI, etc.). - Knowledge of testing frameworks (Jest, React Testing Library, Cypress) is a plus. - Ability to work independently and collaborate in an agile environment. ## NICE TO HAVE - Experience with Next.js. - Familiarity with CI/CD pipelines. - Experience with Docker. - Knowledge of accessibility (WCAG) standards. - Experience working with cloud platforms such as AWS, Azure, or GCP. - Understanding of modern frontend build tools (Vite, Webpack). ## WHAT WE OFFER - 100% remote work with flexible working hours. - Opportunity to work on modern, scalable web applications. - Supportive and collaborative engineering team. - Professional growth and learning opportunities. - Competitive salary based on experience and skills. - Interesting international projects using modern technologies. ## COMPENSATION $65000–$85000 for Junior level depending on experience and qualifications. $90000-$115000 for Middle level depending on experience and qualifications. Additional benefits and employment details will be discussed during the hiring process. ## EQUAL OPPORTUNITY CareerSwift is an equal opportunity employer. We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other characteristic protected by applicable law. Location: Remote Seniority Level: Junior/Middle Salary Range: 65,000 - 115,000 USD (gross, annually) ## About Careerswift ## Company Overview - **One-liner**: Careerswift is an AI-first recruitment automation platform that automates candidate screening, interviewing, and evaluation for growing companies. - **Entity Type**: Private (Bootstrapped/Early Stage) - **Headquarters**: Warsaw, Poland - **Founded**: 2025 - **Founders**: Alex Nosik (CEO), Rodion Lozovoi (CTO), Dmytro Ivanchuck (CMO) ## Core Business - **Primary industry**: HR Technology / Recruiting Software / Artificial Intelligence - **Target customers**: B2B — growing companies looking to scale hiring without increasing HR headcount - **Mission/purpose**: Eliminate manual resume review and outdated keyword-based filtering by using context-aware AI agents to structure and enrich every applicant, creating a continuously improving talent pool. ## Products & Services - **Careerswift Platform (AI Recruitment Automation)**: An AI-first platform that automates candidate screening, interviewing, and evaluation. Uses context-aware AI agents to replace manual resume review and keyword filtering. Every applicant is structured and enriched by AI, building a continuously improving talent pool. - **AI Resume Builder & Job Search Tools (Consumer Side)**: A complementary suite for job seekers including AI resume optimization (ATS-friendly templates, LinkedIn-to-resume conversion), smart job application tracking, AI cover letter generation, AI-powered interview practice, and a Chrome extension for 1-click job applications. ## Market Standing - **Valuation**: Not publicly available (early-stage private company) - **Key Metric**: Total funding not disclosed (appears bootstrapped or pre-seed); monthly web traffic of ~26,300 visits with +872.6% monthly growth - **Notable Investors/Partners**: Not publicly disclosed - **Growth Signals**: Headcount grew +300% YoY (from ~2 to 6 employees); monthly website traffic growing nearly 9x month-over-month; global rank #999,287 with 64% of traffic from the United States; active job postings for engineering roles indicate scaling phase ## Competitive Advantages - **Dual-sided platform**: Serves both employers (recruitment automation) and job seekers (resume/job search tools), creating potential network effects - **AI-first architecture**: Uses context-aware AI agents rather than keyword filtering, which is a more sophisticated approach than traditional ATS systems - **Rapid early traction**: Extremely high traffic growth (+872.6% monthly) suggests strong product-market fit in early stages - **Lean, experienced team**: Small team (6 people) with C-level executives across CEO, CTO, and CMO — all hands-on ## Strategic Focus - **Scaling the engineering team**: Currently hiring for Senior Full-Stack Engineer, Senior Data Engineer, Mid/Senior Platform Engineer, and Frontend Developer — indicating a push to build out core product and data infrastructure - **Product expansion**: Continuously adding new features (job tracking, interview practice, auto-apply) with a "coming soon" pipeline - **Geographic expansion**: Presence in Poland, Ukraine, Spain, UK, and US (San Francisco office) — building a distributed team - **Enterprise readiness**: Building multi-tenant data infrastructure, RBAC/RLS security, and embedded BI for enterprise-scale analytics ## Why Work Here - **Remote-first culture**: Roles listed as "Remote" or "Hybrid" with flexibility; San Francisco office available but not required - **Early-stage impact**: Join a company founded in 2025 with only 6 employees — opportunity to shape product, culture, and technical direction from near the ground floor - **Modern tech stack**: React, TypeScript, Python (FastAPI/Django/Flask), Node.js (Next.js/Nest.js), PostgreSQL, AWS, OpenAI, Hugging Face, dbt, Vercel — cutting-edge AI and cloud-native tools - **AI-first engineering**: Work on context-aware AI agents, real-time data ingestion, OLAP optimizations, and LLM-powered features - **Growth trajectory**: Company is in hypergrowth phase (traffic up 872% monthly, headcount up 300% YoY) — strong potential for career acceleration - **Lean team culture**: With only 6 people, engineers will have broad ownership and direct impact on product decisions ## Sources 1. [careerswift.ai](https://careerswift.ai/) 2. [LinkedIn - Careerswift](https://www.linkedin.com/company/careerswift-ai) 3. [Built In - CareerSwift Teams](https://builtin.com/company/careerswift/teams) 4. [Ashby Careers Page](https://jobs.ashbyhq.com/careerswift.ai/8f38501e-ad8d-4550-8a2d-a904ee6f8163) 5. [We Work Remotely - Careerswift](https://weworkremotely.com/company/careerswift) ## Other roles at Careerswift - [Virtual Assistant](https://feeny.ai/job/virtual-assistant-careerswift-united-states-xd1ca2st5gd0) — United States - [Call Centre Agent, Inbound](https://feeny.ai/job/call-centre-agent-inbound-careerswift-united-states-wf9ckm0cr28j) — United States - [Graphic Designer](https://feeny.ai/job/graphic-designer-careerswift-united-states-nha0dxca9hpz) — United States - [Client Account Manager](https://feeny.ai/job/client-account-manager-careerswift-united-states-7x0kv04m837m) — United States - [Content Writer / Copywriter](https://feeny.ai/job/content-writer-copywriter-careerswift-united-states-h4w1xk355p5v) — United States - [Social Media Manager](https://feeny.ai/job/social-media-manager-careerswift-united-states-d0dvbz5hd0dy) — United States - [Appointment Setter, B2B](https://feeny.ai/job/appointment-setter-b2b-careerswift-united-states-qz1sgbw95j33) — United States - [Office Assistant](https://feeny.ai/job/office-assistant-careerswift-united-states-zztzxhbwvzvj) — United States - [Remote Receptionist](https://feeny.ai/job/remote-receptionist-careerswift-united-states-16d4xtqbraye) — United States - [Sales Representative](https://feeny.ai/job/sales-representative-careerswift-united-states-xz4m0xjj8td0) — United States