Senior Full-Stack Blockchain Data Platform Developer

We are looking for a Senior Full-Stack Blockchain/Data Platform Developer to build ARES, an analytical platform focused on Pump.fun / Solana wallet-performance analysis.

Requirements

Position: Senior Full-Stack Blockchain/Data Platform Developer

Level: Senior

Required Hard Skills

• 7+ years of Software Engineering experience
• Strong commercial experience with Node.js
• Strong experience with TypeScript
• Strong experience with React + TypeScript
• Experience with backend frameworks such as Express.js, Koa.js, Nest.js
• Strong understanding of React, including Hooks, Context, rendering behavior, and performance optimization
• Strong experience with state management tools such as Redux, MobX, Zustand, Recoil, or similar
• Strong software design knowledge: OOD, FP, design patterns, SOLID principles
• Practical hands-on experience with AI-assisted development tools such as Claude Code, Cursor, ArgumentCode, or similar
• Experience building complex, data-heavy applications, including dashboards, analytical views, tables, rankings, filters, sorting, and near-real-time data updates
• Experience working with external APIs and third-party data providers
• Strong understanding of RESTful APIs and GraphQL APIs
• Advanced experience with SQL databases, especially PostgreSQL
• Experience with database performance optimization, indexing, query optimization, and handling large datasets
• Experience with batch processing, scheduled jobs, background workers, queues, retries, throttling, and rate-limit handling
• Hands-on experience with message queues and event delivery systems such as Kafka, RabbitMQ, Amazon SQS/SNS, Redis Streams, or similar
• Experience with Docker and CI/CD processes
• Experience with AWS or similar cloud platforms such as GCP or Azure
• Experience building systems that require data validation, consistency checks, anomaly detection, and reliability safeguards
• Understanding of trading, fintech, blockchain analytics, or data-intensive financial systems
• Knowledge of Agile development practices, preferably SCRUM
• Proficient understanding of Git

Required Blockchain / Crypto / Data Platform Experience

• Experience with blockchain data processing, indexing, parsing, or analytics
• Understanding of Solana transactions, blocks/slots, wallets, tokens, and on-chain activity
• Experience working with blockchain data providers such as Helius, QuickNode, Alchemy, Triton, or similar
• Experience building systems that calculate analytical metrics from transactional data
• Understanding of market cap, entry price, trade outcome, hit rate, P&L, and wallet performance metrics
• Experience with crypto trading platforms, DEX analytics, wallet analytics, token launch platforms, or copy-trading-related systems