Senior Backend Engineer

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

  1. Job Type: Full-Time 
  2. Location: Tel-Aviv / Belgrade / Remote

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.

 Preferred Qualifications

  • 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

Responsibilities /  What you will do

  • 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

About DcentraLab

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.

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