Senior/Staff Backend Developer

Há 2 dias

Fortaleza, Brasil Expiwell Tempo inteiro

Senior/Staff Backend Developer (Nest.JS - AWS - Mongo - Apollo GraphQL)Required skills: Nest.JS, MongoDB, AWS, Apollo GraphQL.Position Overview:We're seeking a very experienced Senior/Staff Backend developer/ Architect to modernize and extend our ExpiWell research platform API using NestJS and Apollo GraphQL, AWS and MongoDB Atlas architecture.The main server will be serving a native IOS and and Android Application as well a modern unified React Native app.Key Responsibilities- Migrate legacy API endpoints from Express to NestJS v11 with full TypeScript typing.- Build RESTful APIs, WebSocket gateways, and background job systems.-Improve out AWS infrastructure to a more modern VPS.AWS certification a huge plus.- Redesign our MongoDB architecture to better align with global customers.- Apollo GraphQL certificate training in Parts 1 to 4.(must complete)- Implement authentication, payment processing, and real-time messaging features.- Write comprehensive unit tests (Jest) and maintain >80% code coverage- Design and document APIs using Swagger/OpenAPI specifications.- Implement AWS integrations (S3, SES) and third-party services (SendGrid, Stripe, Twilio)Required SkillsTechnical Stack- Expert-level NestJS (v11+) with dependency injection, guards, interceptors, pipes- Advanced TypeScript (v5.7+) with generics, decorators, and type safety patterns-Apollo GraphQL basic 1-4 certificate training, link above.- MongoDB with Mongoose ODM and complex aggregations- Testing: Jest, unit testing, E2E testing, test coverage strategies- RESTful API design and versioning strategies- WebSocket/Socket.IO for real-time features- AWS Services: S3, SES, CloudWatch- Git workflow with conventional commits and PR reviewsNice to Have- React / Next.js experience- Redis for caching and distributed locking- Stripe payment integration- Twilio SMS/voice integration- Puppeteer/headless browser automation- Sentry/ Data Dog error monitoring- Docker containerization- Experience with research/survey platformsWhat Makes You Great for This Role- You understand modern backend architecture (microservices, event-driven, CQRS)- You write clean, maintainable code that follows SOLID principles- You're comfortable working with large codebases and legacy migration- You proactively write tests and documentation- You can debug complex issues across multiple services- You stay current with JavaScript/TypeScript ecosystem trendsProject ContextYou'll be working on a research platform that powers mobile experience sampling studies.The API handles:- Survey delivery and response collection- Real-time participant messaging- Payment/incentive distribution- Media upload and transcription- Geofencing and sensor triggers- Anonymous survey participationDevelopment Environment- Framework: NestJS v11 monorepo with shared libraries- Code Quality: ESLint v9, Prettier, TypeScript- Testing: Jest v30 with coverage reporting- AI Tools: Claude Code CLI for development assistance- Deployment: AWS infrastructureHow to ApplySubmit your application with:1.Resume highlighting NestJS, GraphQL, MongoDB and TypeScript projects2.GitHub and profileWhat We Offer:* Fully remote, flexible work setup* Supportive, collaborative global team* * Opportunities for long-term growth and increased responsibility

  • Senior/Staff Backend Developer

    Há 4 dias

    Fortaleza, Brasil ExpiWell Tempo inteiro

    Senior/Staff Backend Developer (Nest.JS - AWS - Mongo - Apollo GraphQL) Required skills: Nest.JS, MongoDB, AWS, Apollo GraphQL. Position Overview: We're seeking a very experienced Senior/Staff Backend developer/ Architect to modernize and extend our ExpiWell research platform API using NestJS and Apollo GraphQL, AWS and MongoDB Atlas architecture. The main...

  • Backend Software Developer Position

    Há 4 dias

    Fortaleza, Brasil Bebeesoftware Tempo inteiro

    Job OpportunityWe are seeking a highly skilled Backend Software Developer to join our team.The ideal candidate will have experience in developing robust and scalable backend systems.This is a remote position that requires strong communication and collaboration skills.Required skills: Proficiency in JavaScript ES6, HTML5, CSS3, and statically typed languages...

  • Backend Engineering Lead

    Há 7 dias

    Fortaleza, Brasil Bebeebackend Tempo inteiro

    Senior Backend Developer OpportunityWe are seeking a highly skilled Senior Backend Developer to lead the development of web applications.This role involves working on the back-end, focusing on delivering efficient, scalable, and robust solutions.This individual will be responsible for designing, developing, and maintaining robust and reliable automated test...

  • Senior Backend Engineer

    3 semanas atrás

    Fortaleza, Brasil Sphise Tempo inteiro

    Senior Backend Engineer (PHP/Laravel)Location: Brazil (Remote)Our trusted high-growth healthcare technology partner is seeking a talented Senior Backend Engineer (PHP/Laravel) to join their dynamic team. This innovative company is dedicated to revolutionizing the healthcare industry through cutting-edge technology solutions.Position Overview:As a Senior...

  • Backend Developer

    1 semana atrás

    Fortaleza, Brasil Osf Digital Tempo inteiro

    We are seeking an experienced Backend Developer (Golang) to join our dynamic team.The ideal candidate will be responsible for developing, testing, and maintaining backend applications using Golang, closely collaborating with frontend and design teams to integrate user-facing components.If you are passionate about optimizing applications for maximum speed and...

  • Senior Full Stack Developer C#/React

    Há 5 horas

    Fortaleza, Brasil Webcreek Tempo inteiro

    Senior Full Stack Developer C#/ReactAre you looking for an opportunity to join a highly-regarded IT development firm?Your next opportunity is here WebCreek is looking for a Senior Full-Stack Developer with over five years of hands-on experience in C# and React, and excellent English communication skills.Enjoy the flexibility of a 100% remote role anywhere in...

  • Senior Backend Developer

    Há 6 dias

    Fortaleza, Brasil Bebeesoftwareengineer Tempo inteiro

    Job Opportunity: Software EngineerWe are seeking an experienced Software Engineer to join our team.About the Role:The successful candidate will design, build, and maintain scalable backend infrastructure to support AI applications in healthcare environments.Develop high-throughput data pipelines and microservices in collaboration with ML engineers and...

  • Semi Senior Python Backend Developer

    2 semanas atrás

    Fortaleza, Brasil BairesDev Tempo inteiro

    Who We are BairesDev is proud to be the fastest-growing company in America. With people in five continents and world-class clients, we are only as strong as the multicultural teams at the heart of our business. To consistently deliver the highest quality solutions to our clients, we only hire the Top 1% of the best talents and nurture their professional...

  • Desenvolvedor(a) Backend Sênior

    1 semana atrás

    Fortaleza, Brasil aquarela Tempo inteiro

     A aquarela procura um(a) Desenvolvedor(a) Backend Sênior para criar e manter soluções de servidor escaláveis e eficientes. Atuando principalmente com Node.js/TypeScript (frameworks Fastify, NestJS) e Python (frameworks Flask, Django), você será responsável por arquitetar APIs robustas e serviços backend que dão suporte a projetos inovadores de IA...

  • Pessoa Engenheira Backend Sênior

    1 semana atrás

    Fortaleza, Brasil METARH Tempo inteiro

    Estamos contratando: Pessoa Engenheira Backend E Fullstack Sênior! Você é apaixonado(a) por construir sistemas robustos, escaláveis e de alta performance? Curte trabalhar com arquitetura moderna, boas práticas e tecnologias de ponta? Então vem com a gente Estamos com duas oportunidades incríveis para integrar nosso cliente de engenharia — uma focada...