Middle Full-stack JS (React+Node) Developer

We are looking for a Middle Full-stack JS developer with at least 4 years of commercial experience and conversational English to enhance the quality of the American social network that brings together sports enthusiasts.

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The project:
An American social network aimed at creating communities based on common interests and hobbies in sports (crossfit, yoga, running, workouts, etc). It helps people find new friends and like-minded people in a new country through joint activities, overcoming language and cultural barriers.

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The service is similar to Instagram and Facebook, and the content in this application is selected based on the user's hobbies and interests.

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In addition to contact matching and event organization, the functionality includes:

• Hosting events with the further possibility to share impressions and comment on others' posts, as well as access event media files
• Creating text and media publications with recommendations based on popularity algorithms
• An internal messenger
• Handling financial transactions and arranging insurance coverage

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The project has been active for over 3 years and has successfully launched on app stores. Within the first week of the release, we gained 2,000 registered users. There are currently 200k active users and counting.

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Stack: React, Redux (toolkit + rtk query), Nest.js, Next.js, Express, PostgreSQL, TypeORM, Redis, AWS CDK, TypeScript, React Native. Also used: Twilio, MUI, SocketIO, Get Stream.

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The development team consists of a Technical lead, 4 Full-stack developers, 4 React Native developers and Manual QA. There is also interaction with the Founder, Co-founder, Product manager, Product designer, 2 Full-stack developers, 1 React Native developer and Manual QA from the customer's side.

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Development methodology: Agile (Kanban), 2-week releases adaptable to scope. Communication with the client is possible from 4 PM to 8 PM (Kyiv time zone).

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Meetings: Weekly calls with the client and regular daily meetings with the team in English.

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Responsibilities:

• Writing and maintaining code in JS/TS
• Backend and frontend development
• Implementation of integrations with external services
• Communication with the team and the client: analysis of requirements for new functionality, task estimation and planning

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We find important:

• 4+ years of commercial experience with JS/TS
• 4+ years of experience with Nest.js/Express
• Proficiency with frontend frameworks (React)
• Knowledge of any big components library (mui, mantine, shadcn)
• Experience with PostgreSQL (or solid knowledge of MsSQL/MySQL) - performance tuning, profiling, basic understanding of how everything works from the inside
• Experience with Clouds (AWS, GCP, Azure) - resource creation, security, automations
• Understanding of architectural approaches for distributed systems
• Experience designing and documenting APIs (REST and/or GraphQL)
• Basic experience with any CI/CD
• Conversational English and Ukrainian at an Upper-Intermediate level

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Will be a plus:

• Experience working with "Social platform" applications
• Experience in async job queues
• Experience with monorepos
• Understanding of observability tools: logs, metrics, tracing

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What we offer:

• Flexible & Remote work
• Zero bureaucracy and flat organizational structure
• No time trackers
• Paid vacation (15 working days) and sick leave (10 working days)

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Interview stages:

• Interview with a recruiter and English check (40–60 min)
• Technical interview with the Lead developer (90 min)
• Final interview with the client (60 min)

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