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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Back End Developer - **Company:** THE KOLA GROUP, LLC - **Location:** United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, User Authentication, Microsoft Azure, Cloud Computing, Databases, Data Architecture, Data Integrity, DevOps, PostgreSQL, Node.Js, Query Optimization, Next.js, TypeScript, Data Logging, Google Cloud, Autoscaling, ReactJS, Firebase, Backend, Build Management, Containerization, Integration Tests, Kubernetes, Infrastructure Automation Frameworks, Apache Kafka, React Native, NestJS, Restful APIs, Terraform, Docker, Monolithic Repository - **Published:** July 22, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/p6la81zzol ## About the Role Must Have * 3+ years of professional back-end experience in TypeScript / Node.js. * Production experience with NestJS or a comparable Node.js framework. * Hands-on PostgreSQL: schema design, query optimisation, and migrations. * Practical Docker experience: Dockerfiles, multi-stage builds, and docker-compose. * Working Kubernetes knowledge: deploying and operating workloads in a live cluster. * Firebase experience: Firestore, Authentication, Cloud Functions, and Storage. * Experience in a monorepo environment (Nx, Turborepo, or similar). Strong Plus * Working knowledge of React, Next.js, or React Native. * Familiarity with event-driven patterns (Bull, Pub/Sub, Kafka) and cloud platforms (GCP, AWS, Azure). * Knowledge of infrastructure-as-code tools (Terraform, Helm, Kustomize). Profile and Mindset: * Ownership mentality - you see problems through from identification to resolution. * Clear communicator, able to explain trade-offs to both engineers and non-technical stakeholders. * Autonomous and proactive; rigorous about security, data integrity, and backward compatibility. * Team player who shares knowledge, writes good documentation, and lifts those around them. ## Description API Design & Development * Design and build scalable RESTful APIs with NestJS (modules, controllers, services, guards, pipes) including authentication flows via JWT and Firebase Auth. Database & Data Architecture * Design and manage PostgreSQL schemas, write optimised queries, and handle migrations; model Firestore collections for real-time use cases, choosing the right database layer per requirement. Cloud & Firebase * Develop and deploy Firebase Cloud Functions, configure Storage and Firestore security rules, and manage environment-specific settings across dev, staging, and production. Containerisation & Infrastructure * Write and maintain Dockerfiles and docker-compose setups; deploy and operate workloads on Kubernetes (deployments, services, ingress, auto-scaling, health checks). Monorepo (Nx) * Maintain back-end apps and shared libraries inside the Nx monorepo; define cross-team DTOs and interfaces; leverage Nx caching and affected commands to keep pipelines fast. Quality, Testing & DevOps * Write unit and integration tests (Jest, Supertest); maintain CI/CD pipelines from build and test to containerised deployment; monitor production health through structured logging and alerting. Collaboration * Partner with front-end and mobile engineers to design APIs that match real product needs; mentor interns and junior engineers; document architectural decisions. ## Related Videos - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Next, Nest, Nuxt… Nust?](https://www.wearedevelopers.com/videos/421-next-nest-nuxt-nust) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) ## Related Articles - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)