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https://github.com/CollabCodeTech/backend-challenges

A public list of open-source challenges from jobs around the world
https://github.com/CollabCodeTech/backend-challenges

backend-challenges challenges coding-challenges interview-test job-challenge jobs knowledge

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A public list of open-source challenges from jobs around the world

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# Backend Challenges



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Want to test your knowledge using real jobs challenges? Here is a public list of open-source challenges from jobs around the world.



Feel free to contribute! Only open-source challenges please!



| | Company | Stack | Test

|--|--|--|--

| :gibraltar: | [Addison Global - 1](http://www.addisongloballtd.com/) | Java or Scala, Any Framework & REST API | [Code →](https://github.com/addisonglobal/backend-technical-test)

| :gibraltar: | [Addison Global - 2](http://www.addisongloballtd.com/) | Java 8+, Akka HTTP or Spring Boot & REST API | [Code →](https://github.com/addisonglobal/java8-technical-test)

| :kenya: | [Africa's Talking - 1](https://africastalking.com/) | Scala, Regex | [Code →](https://github.com/AfricasTalkingTalent/BackendCodeChallengeSeptember2018)

| :kenya: | [Africa's Talking - 2](https://africastalking.com/) | ASP.NET MVC, REST API, SQL Server | [Code →](https://github.com/AfricasTalkingTalent/AlfarBackendChallenge)

| :hong_kong: | [AfterShip](https://www.aftership.com/) | Node.js, PHP, Java or Ruby | [Code →](https://github.com/AfterShip/challenge/blob/software-engineer/coding-challenge.md)

| :canada: | [AlayaCare - 1](https://www.alayacare.com/) | Python, Flask, SQLite | [Code →](https://github.com/AlayaCare/backend-python-test)

| :canada: | [AlayaCare - 2](https://www.alayacare.com/) | PHP, Silex, MySQL | [Code →](https://github.com/AlayaCare/backend-php-test)

| :fr: | [AirCall](https://aircall.io/) | Ruby & Rails | [Code →](https://github.com/aircall/backend-test-5)

| :us: | [Ambulnz](http://www.ambulnz.com/) | (Node.js or Ruby) & Any Framework | [Code →](https://github.com/AmbulnzLLC/fullstack-challenge/tree/master/backend)

| :brazil: | [AmeDigital](https://www.amedigital.com/) | Kotlin, Scala, Java | [Code →](https://github.com/AmeDigital/challenge-back-end-hit)

| :brazil: | [Anota AI](https://anota.ai/home/) | Node.js, Express, Mongo DB | [Code →](https://github.com/githubanotaai/new-test-backend-nodejs)

| :uk: | [Apolitical](https://apolitical.co/home) | Node.js, Express, Docker | [Code →](https://gitlab.com/apolitical/code-tests/backend-code-challenge)

| :brazil: | [BCredi](https://www.creditas.com/bcredi) | Java or Ruby | [Code →](https://github.com/bcredi/teste-backends)

| :brazil: | [B2W](https://ri.americanas.io/) | Java or Elixir | [Code →](https://github.com/b2w-marketplace/challenge-backend)

| :brazil: | [Bossabox](https://bossabox.com/para-profissionais) | Any Language & Any Framework & Web API | [Code →](https://www.notion.so/Back-end-0b2c45f1a00e4a849eefe3b1d57f23c6)

| :brazil: | [Brainn](https://brainn.co/) | Elixir | [Code →](https://github.com/brainnco-exs/readme-backend)

| :brazil: | [ClickBus](https://www.clickbus.com.br/) | Java, Spring Boot, REST API | [Code →](https://github.com/RocketBus/clickbus-backend-live-code)

| :brazil: | [CodeRockr](https://coderockr.com/) | Any Language & Any Framework | [Code →](https://github.com/Coderockr/backend-test)

| :hungary: | [CodingSans](https://codingsans.com/) | Node.js, Typescript & Koa, Express or Fastify | [Code →](https://gitlab.com/codingsans/public/codingsans-backend-test)

| :brazil: | [Creditas](http://creditas.com.br/) | Ruby, Python or Kotlin | [Code →](https://github.com/Creditas/challenge/tree/master/backend)

| :brazil: | [Cubo Network](https://cubo.network/) | Any Language & Any Framework | [Code →](https://github.com/cubonetwork/fullstack-challenge)

| :brazil: | [DevPartner](http://www.devpartner.com.br/) | C-Sharp, Entity Framework, Asp.net & Web API | [Code →](https://github.com/DevPartner-BR/backend-projects-test)

| :brazil: | [DinDigital](https://dindigital.io/) | PHP, Laravel, Docker | [Code →](https://github.com/dindigital/teste-back-end-2019)

| :brazil: | [DogHero](https://www.doghero.com.br/) | Ruby, API | [Code →](https://github.com/doghero/test-backend/wiki/Test-Case)

| :us: | [Eaze - 1](https://www.eaze.com/) | Node.js or .NET Core | [Code →](https://github.com/eaze/take-home-backend)

| :us: | [Eaze - 2](https://www.eaze.com/) | .NET, Quartz & Tests | [Code →](https://github.com/eaze/interview-dotnet-test)

| :brazil: | [Entria](https://www.entria.com.br) | Node.js, Koa.js, REST API and GraphQL | [Code →](https://github.com/entria/jobs#backend-allocated-or-remote)

| :brazil: | [Estante Virtual](https://www.estantevirtual.com.br/) | Ruby, REST API | [Code →](https://github.com/estantevirtual/vagas/blob/master/desafios/backend.md)

| :brazil: | [FCamara - 1](http://www.fcamara.com.br/) | Java, Rest API | [Code →](https://github.com/fcamarasantos/backend-test-java)

| :brazil: | [FCamara - 2](http://www.fcamara.com.br/) | Node.js, React, Rest API | [Code →](https://github.com/fcamarasantos/node-react-test)

| :brazil: | [FCamara - 3](http://www.fcamara.com.br/) | .NET, Entity Framework, Rest API | [Code →](https://github.com/fcamarasantos/backend-test-dotnet)

| :brazil: | Foton Tech | Node.js, GraphQL, MongoDB, Typescript | [Code →](https://github.com/FotonTech/join)

| :brazil: | [GetNinjas - 1](https://www.getninjas.com.br/) | Any Language & Docker | [Code →](https://github.com/getninjas/backend-rover-challenge)

| :brazil: | [GetNinjas - 2](https://www.getninjas.com.br/) | Ruby, Rails & Any Database | [Code →](https://github.com/getninjas/backend-challenge)

| :de: | [Gigs](https://gigs.com/) | Go or Ruby | [Code →](https://github.com/gigs-hiring/backend-challenge)

| :brazil: | [Goomer](https://goomer.com.br/) | Node.js, REST API, MySQL or Postgres | [Code →](https://github.com/goomerdev/job-dev-backend-interview)

| :brazil: | [HurbCom](https://www.hurb.com/) | Any Language & Any Framework | [Code →](https://github.com/hurbcom/challenge-bravo)

| :brazil: | [iCasei](http://icasei.com.br/) | Ruby, Rails & JavaScript | [Code →](https://github.com/icasei/teste-backend)

| :uruguay: | [Ingenious](http://ingenious.agency/) | Ruby, .Net, Node.js or Python | [Code →](https://github.com/ingsw-dev/backend-test)

| :brazil: | [Kinvo - 1](https://kinvo.com.br/) | C#, REST API | [Code →](https://github.com/kinvoapp/kinvo-back-end-test)

| :brazil: | [Kinvo - 2](https://kinvo.com.br/) | Typescript, Node.js, REST API or GraphQL | [Code →](https://github.com/kinvoapp/node.js-challenge)

| :brazil: | [Olist](https://olist.com/) | Python or Go | [Code →](https://github.com/olist/work-at-olist)

| :brazil: | Oli Saúde | Any Language & Any Framework | [Code →](https://github.com/olisaude/teste-dev-backend)

| :us: | [Ontraport](https://ontraport.com/) | Any Language | [Code →](https://github.com/Ontraport/Backend-Test)

| :brazil: | [Orbital](https://orbital.company/) | PHP | [Code →](https://gitlab.com/orbital-code/orbital/tests/backend-developer/-/tree/master)

| :mexico: | [ORCA Grc](https://www.orcagrc.com/) | Java, Hibernate | [Code →](https://github.com/ORCAapplicants/backend-test)

| :us: | [Origin Financial](https://www.useorigin.com/) | Any Language | [Code →](https://github.com/OriginFinancial/origin-backend-take-home-assignment)

| :brazil: | [PagarMe](https://pagar.me/) | Node.js, REST API | [Code →](https://github.com/pagarme/vagas/blob/master/desafios/software-engineer-backend/README.md)

| :canada: | [Paytm Labs - 1](https://paytmlabs.com/) | (Machine Learning) Java or Scala & Hadoop or Spark | [Code →](https://github.com/PaytmLabs/WeblogChallenge)

| :canada: | [Paytm Labs - 2](https://paytmlabs.com/) | Any Language | [Code →](https://github.com/PaytmLabs/SoftwareChallenge)

| :brazil: | [Perfect Pay](https://perfectpay.com.br/) | PHP, Laravel | [Code →](https://github.com/perfectpay/perfect-test-backend)

| :brazil: | [Petlove](https://www.petlove.com.br/) | Ruby, Rails & Any Database | [Code →](https://github.com/petlove/vagas/tree/master/backend-ruby)

| :uk: | [PhotoBox](http://www.photobox.co.uk/) | .NET | [Code →](https://github.com/photobox/Moonpig.Recruitment)

| :brazil: | [PicPay](https://picpay.com/) | Java (Spring Boot), PHP (Lumen) & (MySQL or MongoDB) | [Code →](https://github.com/PicPay/picpay-desafio-backend)

| :brazil: | [RedFoxTech](https://redfox.tech/) | Node.js, REST API & Any Database | [Code →](https://github.com/RedFoxTech/vaga-backend-teste)

| :brazil: | [Riderize](https://www.riderize.com/) | Node.js & GraphQL | [Code →](https://github.com/Riderize/backend-test)

| :nigeria: | [Rise Vest](https://risevest.com/) | Node.js (TypeScript & Express) or Go, Postgres, Redis, Docker & S3/Cloud Storage Provider | [Code →](https://github.com/risevest/backend-test)

| :uk: | [SamKnows](https://www.samknows.com/) | PHP | [Code →](https://github.com/SamKnows/backend-engineering-test/blob/master/README.md)

| :norway: | [Schibsted](https://schibsted.com/) |Java or Kotlin | [Code →](https://github.com/scm-spain/ms-ma--backend-test)

| :brazil: | [Senior Sistemas](https://www.senior.com.br) | Any Language, Any Database, REST API | [Code →](https://github.com/SeniorSA/seniorlabs-challenge#desafio-software-engineering)

| :brazil: | [Somar Metereologia](http://www.somarmeteorologia.com.br/institucional/) | Python, REST API & AWS or Flask | [Code →](https://github.com/somarmeteorologia/challenge/tree/master/backend)

| :us: | [StackPath](https://www.stackpath.com/) | Go | [Code →](https://github.com/stackpath/backend-developer-tests)

| :brazil: | [Stone Payments](http://stone.com.br) | Elixir | [Code →](https://github.com/stone-payments/tech-challenge)

| :netherlands: | [Travix](https://www.travix.com/) | Any Language | [Code →](https://github.com/Travix-International/tech-test)

| :us: | [Uber](https://www.uber.com/) | Any Language | [Code →](https://github.com/uber-archive/coding-challenge-tools/blob/master/coding_challenge.md)

| :brazil: | [UOL Host](https://uolhost.uol.com.br/) | Java & Any Framework | [Code →](https://github.com/uolhost/test-backEnd-Java)

| :sweden: | [Volvo Cars](https://www.volvocars.com/) | Any Language | [Code →](https://github.com/volvo-cars/congestion-tax-calculator)

| :brazil: | Wirecard Brasil | Any Language, REST API | [Code →](https://github.com/wirecardBrasil/challenge/tree/master/backend)

| :cn: | [Wiredcraft](https://wiredcraft.com) | Node.js, Any Framework, Any Database, REST API | [Code →](https://github.com/Wiredcraft/test-backend)

| :brazil: | [Zé Delivery](https://www.ze.delivery) | Any Language, REST API or GraphQL | [Code →](https://github.com/ZXVentures/ze-code-challenges/blob/master/backend.md)



## Inspiration



Inspired on [Felipe Fialho](https://github.com/felipefialho)'s [frontend-challenges](https://github.com/felipefialho/frontend-challenges). Kudos!



## License



[MIT](/license) © CollabCode