FullStack C#, .NET and Next.js Developers

Lite Thinking company; Bogotá ciudad; Híbrido; Jornada completa

Descripción de la vacante

A prominent software development firm in Colombia is seeking a FullStack Developer with expertise in C#/.NET and Next.js. The ideal candidate will design, develop, and maintain full stack solutions, ensuring high quality and performance. Responsibilities include creating REST APIs, building modern interfaces, and collaborating across teams. This remote role requires 3-5 years of experience with a focus on clean code and development best practices. Join us and contribute to innovative software projects!

Formación

• 3-5 years of experience in C# and .NET development.
• Proficient in ASP.NET Core Web API and REST API design.
• Experience with Next.js, React, and TypeScript.

Responsabilidades

• Design and implement secure and performant REST APIs in ASP.NET Core.
• Build user interfaces in Next.js/React.
• Optimize SQL Server queries and apply best practices.

Conocimientos

C#/.NET development

Next.js and React

REST API design

SQL Server

Scrum/Kanban

Educación

Systems/Software Engineering or related field

Herramientas

Azure/AWS

Docker

Git

Descripción del empleo

# FullStack C#, .NET and Next.js Developers### Build your success with usThank you for your interest in joining the best companies!Code: 395# FullStack C#, .NET and Next.js DevelopersOctober 21, 2025Bogota / ColombiaCompensation: NegotiableRemoteShare**Role Purpose**Design, develop and maintain full stack solutions with C#/.NET (backend) and Next.js/React (frontend), ensuring high quality, performance and security. The role drives continuous value delivery through well-designed REST APIs, modern interfaces and clean code/clean architecture practices aligned to business objectives.**Ideal Professional Profile*** Systems/Software Engineering or related professional.* Product minded, results oriented and collaborative work with business, design and QA.* Proficient in best practices: SOLID, Clean Architecture, refactoring, testing, documentation and CI/CD.* Clear communication, analytical thinking and continuous learning.**Required Experience*** 3-5 years in C# and .NET (6/7/8) development.* ASP.NET Core Web API, REST API design (versioning, pagination, error handling) and OpenAPI/Swagger documentation.* Entity Framework Core, LINQ, SQL Server schema and query design; transaction understanding and performance.* Next.js (13/14) with React 18 and TypeScript: App Router, SSR/SSG/ISR, protected routes and state handling (React Query/Zustand).* Layout with CSS Modules/Tailwind and reusable components.* Testing: xUnit/NUnit/MSTest (backend) and Jest/React Testing Library/Cypress (frontend/e2e).* Git and collaborative workflows (PRs, code review).* Scrum/Kanban work.**Contract Conditions*** Type of contract: Contractor.* Modality: Remote.* Location: From home.* Schedule: Office (standard working hours).* Compensation and benefits: To be informed during the selection process.**Key Responsibilities*** Design and implement secure and performant REST APIs in ASP.NET Core.* Build interfaces in Next.js/React with SSR/SSG/ISR, load/error states and basic accessibility (WCAG).* Model data and optimize queries in SQL Server; apply EF Core with best practices (migrations, mappings, transactions).* Quality assurance with testing (unit, integration, e2e), linting and code review.* Apply Clean Architecture/SOLID, separation by layers (domain/application/infra/UI) and DTO/entity mapping.* Integrate authentication/authorization (OAuth2/OpenID Connect/JWT), logging and observability (traces/metrics).* Automate CI/CD pipelines and participate in stable deployments.* Collaborate with product/UX/QA; estimate, plan sprints and document.**Valued Competencies*** Azure/AWS, Azure DevOps or GitHub Actions; Docker and notions of Kubernetes.* Caching (Redis), CQRS/mediation (MediatR), AutoMapper, resiliency patterns (circuit breaker, retry).* Security: OWASP, data protection, API hardening.* Performance: profiling, latency reduction, bundle optimization and deferred loading in Next.js.* Microservices and messaging (RabbitMQ/Kafka) (desirable).* GraphQL and WebSockets (desirable).* Focus on metrics/KPIs and continuous improvement.## Key Words:Clean CodeClean ArchitectureClean DevelopmentREST/SOAP APISOLIDDockerSystems EngineeringSoftware DevelopmentCSS and HTMLReactJob Details**Contract type:**Independent Contractor**Job Openings:**2**Applications:**7**Industry / Sector:**Software Development**Availability:**Full-time**Experience:**5 years of experienceShare