Senior Back End Developer

We are looking for a talented and ambitious Senior Backend Engineer to join our core team.Skills & Qualifications:

• Good level of English (written and verbal skills)
• Bachelor's/Master’s degree in computer science or a related field
• Proven experience developing highly complex backends for web-scale applications
• Master of Python and Node.js
• Master of AWS - Cloudformation, ECS, Lambda, API-GATEWAY, SSM, Kinesis, RDS, Cloudfront, VPN, VPC, IAM, SQS, API GATEWAY, EKS
• Expert in the serverless framework
• Experience with OAuth, Auth0
• Experience with Cloudflare
• Passionate about the web3.0 revolution
• Experience with CICD tools and pipelines
• Experience with Jenkins, sentry, ansible, master of SQL and data
• Experience with SSL, SSH, bastions, VPC orchestrations
• Basic knowledge of blockchain, specifically Ethereum (distributed turing complete VMs)
• Experience in the cryptocurrency & blockchain ecosystem
• Experience with K8S 
• Experience with Blockchain, Ethereum, Solidity, Smart Contract Architectures, Remix, and Web3 libraries for Python

• Fast and agile thinker, with the ambition & hunger to learn new stuff every day, and excel
• A strong eye for detail and a passion for clear communication
• Strong organizational, and time-management skills, and the ability to multitask, and able to manage your time to meet deadlines
• A team player & capable of working independently

• Build a highly efficient infrastructure for scalable deployments and CICD processes (GitLab CI, ECS, Cloudformation, Lambdas)
• Manage and develop the serverless backend (Node.js, Python, Lambdas, API Gateway)
• Manage and develop authentication, authorization, humanization, and verification layers for the DcentraLab web-Dapps utilizing Auth0, OAuth, civic, uport, ReCaptcha, lambdas
• Manage and develop partner integrations, cross-service server-2-server integrations, server-2-client-2-server integrations with 3rd parties, etc...
• Manage and develop the serving for centralized and decentralized backends and frontends (Cloudfront, Cloudflare, CDN, SSL, Bastions, VPNs)
• Manage and develop scalable blockchain backend and infrastructure (Dynamically scalable IPFS clusters, ETH node clusters, The Graph Infrastructure), utilizing K8s, ECS, etc...
• Manage and develop integration layers between smart contract layers on public and plasma chains and centralized serverless backends acting as caches or co-peers.
• Manage and develop highly scalable, highly available infrastructure for data engineering, data analytics, and big-data platforms and infrastructure utilizing Kinesis, Kafka, spark, Hadoop, Postgres
• Manage and develop monitoring and alert solutions for our apps and services
• Manage & Develop monitoring and alert solutions our apps and services

Since 2017, DcentraLab has been a pioneering force in Web3 and blockchain development. Expanding beyond its initial product, 2Key, DcentraLab has introduced innovative solutions such as Hord, ChainPort, TokensFarm, and DcentraLab Diligence, with a commitment to ongoing growth. Through a relentless pursuit of cutting-edge technologies, DcentraLab remains at the forefront, shaping the future of decentralized ecosystems and blockchain-based products.