Backend

Fractional CTO for NestJS

NestJS is a progressive Node.js framework for building enterprise-grade server-side applications. We help companies leverage NestJS for scalable, maintainable backends....

Expert NestJS Leadership

NestJS is a progressive Node.js framework for building enterprise-grade server-side applications. We help companies leverage NestJS for scalable, maintainable backends.

Typical Timeline

API MVP: 6-10 weeks, Enterprise backend: 3-6 months

Investment Range

$40,000-$150,000

Why Choose Us

  • Structured, opinionated framework reduces decision fatigue
  • TypeScript-first with excellent typing
  • Built-in support for various transport layers
  • Dependency injection for testable code
  • Large ecosystem and active community

Common NestJS Challenges We Solve

Understanding dependency injection patterns

Module architecture for large applications

Microservices communication patterns

Testing strategies with NestJS DI

Performance optimization

GraphQL integration decisions

Database integration patterns (TypeORM, Prisma)

Authentication and authorization implementation

NestJS Best Practices

Follow SOLID principles with NestJS architecture

Use proper module organization

Implement guards and interceptors for cross-cutting concerns

Use DTOs with class-validator for validation

Implement proper exception filters

Use configuration module for environment management

Implement comprehensive testing at all levels

Use swagger for automatic API documentation

Complementary Technologies

TypeScriptTypeORMPrismaPostgreSQLRedisRabbitMQ

Scaling Considerations

NestJS supports microservices patterns natively. Use proper module boundaries for horizontal scaling.

Security Considerations

Implement helmet, rate limiting guards, proper authentication with Passport, sanitize inputs with class-validator.

Performance Optimization

Use Fastify adapter for better performance, implement caching interceptors, optimize database queries.

Success Story

Series B enterprise SaaS company

Challenge

Express.js codebase became unmaintainable at 100K+ lines. Testing was difficult, onboarding slow.

Solution

Fractional CTO led migration to NestJS with proper module architecture, implemented DI patterns, established testing standards.

Result

Test coverage increased from 20% to 80%. Onboarding time reduced from 6 weeks to 2 weeks. Bug rate decreased 60%.

Timeline: 5 months

Recommended Team Structure

Teams familiar with Angular patterns adapt quickly. Typical: 2-4 backend developers.

NestJS Experts by Location

Find NestJS fractional CTO expertise in your city. Our technical leaders work with teams worldwide.

San FranciscoNew YorkAustinSeattleLos AngelesBostonDenverAtlantaChicagoMiamiPortlandPhoenixWashington DCMinneapolisSan DiegoDallasHoustonPhiladelphiaSan JoseDetroitCharlotteNashvilleLas VegasSalt Lake CityColumbusLondonBerlinParisAmsterdamDublinStockholmZurichCopenhagenBarcelonaMunichTorontoVancouverMontrealWellingtonSingaporeSydneyMelbourneBangaloreTokyoHong KongTel AvivManchesterEdinburghFrankfurtHamburgHelsinkiOsloMilanLisbonWarsawPragueBudapestViennaTallinnVilniusBucharestSofiaAthensBrusselsPortoKrakowGothenburgRomeGenevaLuxembourgCambridgeMumbaiDelhiHyderabadPuneShanghaiBeijingShenzhenSeoulBangkokKuala LumpurJakartaManilaHo Chi Minh CityTaipeiOsakaSão PauloMexico CityBuenos AiresBogotáSantiagoGuadalajaraDubaiCape TownJohannesburgLagosCaliforniaTexasFloridaNew York StateIllinoisGeorgia StateMassachusettsWashington StateColoradoArizonaNorth CarolinaOregonMinnesotaMichiganPennsylvaniaBristolBirminghamLeedsGlasgowLiverpoolStuttgartCologneDüsseldorfLyonToulouseMarseilleRotterdamUtrechtEindhovenAntwerpMalmöAarhusEspooTampereValenciaBilbaoSevilleTurinBolognaNaplesBratislavaLjubljanaZagrebBelgradeCluj-NapocaWrocławRigaReykjavikCorkBaselLausanneBrnoOxfordNantesBordeauxChennaiKolkataAhmedabadJaipurChandigarhKochiHangzhouGuangzhouChengduNanjingSuzhouWuhanFukuokaYokohamaNagoyaKyotoBusanBrisbanePerthAdelaideAucklandChristchurchHanoiPenangCebuBandungSurabayaChiang MaiKaohsiungColomboKarachiLahoreIslamabadDhakaAlmatyTashkentKathmanduYangonBakuTbilisiAbu DhabiRiyadhJeddahDohaJerusalemKuwait CityManamaAmmanBeirutNairobiAccraKigaliCairoAlexandriaCasablancaRabatTunisDakarAbujaPort HarcourtPretoriaDurbanMombasaKampalaDar es SalaamAddis AbabaLusakaHarareMaputoLuandaKumasiMarrakechAlgiersTripoliGaboroneRio de JaneiroBrasíliaBelo HorizonteCuritibaPorto AlegreRecifeMonterreyPueblaTijuanaCórdobaRosarioMedellínCaliValparaísoLimaMontevideoSan JoséPanama CityQuitoSan JuanSanto DomingoKingstonGuatemala CityPort of SpainCaracasLa PazAsunciónSan SalvadorManaguaTegucigalpa

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