Lead Backend Developer

October 28

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DcentraLab

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API • Blockchain • Crypto

DcentraLab is a company focused on accelerating blockchain mass adoption through a suite of innovative on-chain products. Their offerings include security-focused cross-chain bridges, farms-as-a-service platforms, and ETH staking solutions, all designed to simplify complex blockchain technologies for users and businesses alike. With a commitment to transparency and security, DcentraLab provides smart contract audits and consulting services, making it a leader in the decentralized revolution since 2017.

51 - 200 employees

Founded 2017

🔌 API

₿ Crypto

📋 Description

• Lead backend development: Drive feature design, architecture decisions, and technical roadmap for the platform • Research & Development (R&D): Experiment with new technologies, AI models, and scraping methods to continuously improve data quality and system performance • Web scraping & data pipelines: Design and maintain robust scraping systems using Python libraries (e.g., Scrapy, Requests, BeautifulSoup, Playwright) • Database management: Optimize and maintain PostgreSQL (with Alembic/Alchemy) and MongoDB (vector search/embeddings) • AI & agent integration: Work with LLMs (ChatGPT, Perplexity) and CrewAI to build and scale AI-driven features • DevOps & infrastructure: Manage AWS services (S3, EC2, Lambda, CloudWatch, API Gateway, SageMaker) and automation (Bash scripting, cron jobs) • Blockchain expertise: Analyze and interact with smart contracts (Solidity – entry level), understand blockchain data structures, and integrate relevant protocols • Team leadership: Mentor developers, perform code reviews, enforce best practices, and ensure high-quality deliverables • Integration management: Oversee and expand integrations with 3rd-party APIs and services (TalkJS, Slack, Twitter, Apollo, etc.)

🎯 Requirements

• 5+ years of backend development experience, with at least 2 years in a lead/architect role • Strong Python skills (FastAPI, Flask, Django or similar) • Proven experience with web scraping at scale • Solid understanding of PostgreSQL (schemas, migrations, performance tuning) and MongoDB (vector DB, embeddings) • Familiarity with AI/LLM frameworks and data pipelines • Hands-on AWS experience (EC2, S3, CloudWatch, API Gateway, Lambda, SageMaker) • Knowledge of blockchain/web3 ecosystems, with the ability to read/write Solidity contracts (entry-level) • Strong DevOps skills (Bash, cron, deployment automation) • Excellent problem-solving skills and ability to take ownership of complex systems • Strong communication and leadership abilities

🏖️ Benefits

• Flexible remote-first work environment • Growth potential in leadership and architecture • Competitive compensation package