DMGBlockchainSolutionsInc.isadiversifiedblockchainanddatacentertechnologycompanythatmanages,operates,anddevelopsend-to-endsolutionstomonetizetheblockchainecosystem.

Inadditiontoourcryptocurrencyminingoperations,DMGhasasoftwaredevelopmentteamdedicatedtobuildingsoftwareproductsfordigitalcustody,blockchain,andcryptocurrencymining.

WerelookingforaMid-LevelSoftwareDevelopertojoinourteam,workingonourDigitalCustodyandSettlementSolutionandotherproduct.Youlltacklebothbackendandfrontendchallenges,collaboratingwithfellowengineerstobuildsecure,scalable,andefficientfinancialservicesinCryptodomain.

TechStack

• Backend:NestJS,Hono,PostgreSQL(DrizzleORM),MongoDB(Mongoose),TypeScript
• Frontend:Next.js,Redux(withmultipleslicesforstatemanagement),TailwindCSS
• Authentication:CustomJWT-basedauthentication(sessionstoredincookies),MFAwithOTP
• Security:StrictContentSecurityPolicy(CSP),HSTS,X-Frame-Options,enhancedpasswordsecurity
• CI/CD&Deployment:Knowledgeofpipelines,semantic-releaseforautomatedtagging&releases,DockerforE2Etesting

Responsibilities:

BackendDevelopment:

• BuildsecureandscalableservicesusingNestJSandtheHonoframework.
• LeverageDrizzleORMforefficientdatabaseoperationswithPostgreSQL.
• UtilizeMongoosefordatabaseoperationswithMongoDB.

FrontendDevelopment:

• ImplementandmaintainNext.jscomponents,ensuringseamlessinteractionwithbackendAPIs.

Authentication&Security:

• EnhanceandmaintainJWT-basedsessionmanagement.
• Integrateandoptimizemulti-factorauthentication(MFA)workflows.

APIIntegrations:

• WorkwithcryptocustodyandKYCAPIs.
• Integratewiththird-partyservicesfortradingandsettlement.
• ImplementnotificationsthroughPusherandTwilio(email/SMS).

UserPermissions&RBAC:

• Improvesessionmanagement,userpermissions,androle-basedaccesscontrols.

CodeReviews&Collaboration:

• Participateintechnicaldiscussions,providefeedback,andcontributetosprintplanning.

Testing&QualityAssurance:

• Writeunitandintegrationtests,ensuringhighcodequality.
• UseDockerforend-to-endtesting.

CI/CD&Deployment:

• UnderstandCI/CDpipelinesandworkflows.
• Befamiliarwithsemantic-releaseforautomatedversioning.

Qualifications

• Experience:2-3yearsofexperienceinTypeScriptdevelopment.
• BackendProficiency:StrongbackgroundinNestJS,PostgreSQL,orsimilarbackendframeworks;someexposuretotheHonoframeworkisaplus.
• FrontendSkills:ExperiencewithNext.jsandmodernfrontendlibraries/frameworks.
• Security&Auth:UnderstandingofJWT,OAuth,MFA,RBAC,andothersecuritybestpractices.
• CI/CD&Docker:FamiliaritywithCI/CDtools,Docker,andautomatedreleasestrategies.
• PerformanceTuning:AbilitytotroubleshootandoptimizedatabasequeriesandAPIperformance.
• SoftSkills:Strongproblem-solvingabilitiesandcomfortableworkinginanagile,fast-pacedenvironment.

NicetoHave

• DomainExpertise:Experienceinfinancialorcrypto-relatedapplications.
• Notifications:FamiliaritywithPusher(WebSockets)andTwilio(email/SMS).
• AutomatedReleaseManagement:Experiencewithsemantic-release.
• Microservices:Knowledgeaboutmicroservicesarchitecture.
• Bun:experiencewiththeBunruntime.
• FeatureFlags:Understandingofcanarydeploymentsandfeatureflagsystems.