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Senior Node.js Developer - short-term (2 months) at Globaldev Group. We are looking for a Senior Backend Developer (Node.js) for 2 months for a project from scratch. . Responsibilities. . Design, develop, and maintain scalable backend services using . NestJS (TypeScript) / Node.js. . . . Architect and optimize . multi-tenant SaaS systems. for performance, scalability, and security. . . Work with . PostgreSQL. : write advanced queries, design indexes, implement partitioning, and enforce Row-Level Security (RLS). . . Develop and maintain data models with . Prisma ORM. (or similar ORMs). . . Implement secure authentication and authorization mechanisms (. JWT, OAuth2, MFA. ). . . Ensure compliance with . security and SOC 2 best practices. , including encryption and access controls. . . Build and manage . background jobs. with . BullMQ and Redis. . . . Deploy and manage applications on . AWS. (EC2, RDS, S3, CloudFront, CloudWatch). . . Set up and maintain . CI/CD pipelines. using GitHub Actions, with automated unit and end-to-end testing. . . Monitor, debug, and optimize system performance under high-load conditions. . . Must-Have Qualifications. . . 5+ years. of professional backend development experience. . . Strong expertise with . NestJS (TypeScript), Node.js. . . . Advanced knowledge of . PostgreSQL. : queries, indexes, partitioning, RLS. . . Experience with . Prisma ORM. or similar ORMs. . . Proven track record building and scaling . multi-tenant SaaS architectures. . . . Hands-on experience with . AWS services. (EC2, RDS, S3, CloudFront, CloudWatch). . . Solid understanding of . security best practices. (JWT/OAuth2, MFA, encryption, SOC 2). . . Experience with . BullMQ/Redis. for background processing. . . Familiarity with . CI/CD pipelines. and . GitHub Actions. . . . Ability to design and optimize . scalable, high-load systems. . . . Nice-to-Have. . Experience integrating . Stripe. and . DocuSign. . . . Knowledge of monitoring tools: . Sentry, Datadog, CloudWatch. . . . Domain experience in . marketplaces, fintech, or pharma. .. . Company Location: Ukraine.