{"schemaVersion":"jobsearcher.job.v1","id":"07386deab795a7f6951ca6b7","url":"https://jobsearcher.com/jobs/07386deab795a7f6951ca6b7","canonicalUrl":"https://jobsearcher.com/jobs/07386deab795a7f6951ca6b7","title":"Sr. Backend Software Developer","description":"Sr. Backend Software DeveloperLocation: Sterling, VA, USJob ID: ATR 17672Job DescriptionJob Title: Sr. Backend Software DeveloperJob Location: Remote – Must be in the DC Metro AreaCompensation: $90-100/hrEligibility/Clearance: US Citizenship Required -Public Trust, thisopportunity supports a government contractJob Description:We are seeking a highly experienced and skilled SeniorBackend Engineerto join our team. The ideal candidate will possess a deep understandingof backend architecture, microservices, and cloud-native deployments,with a proven track record of delivering robust and scalablesolutions. This role requires an individual who can thrive inenvironments with evolving requirements and limited documentation,demonstrating strong problem-solving and independent workcapabilities. Responsibilities (include but are not limited to):Design, develop, and maintain highly scalable and performantmicroservice applications, including complex case management systemswith secure user authentication.Lead the development of backend services usingPython, leveragingframeworks such asFastAPI, and managing database migrations withSQLAlchemyandAlembic.Manage and optimizePostgreSQLdatabases, ensuring data integrity,performance, and scalability.Implement and maintain containerized applications usingDockerandorchestrate deployments withKubernetes.Architect and manage cloud infrastructure onAWS, utilizing serviceslikeECS, ECR, Fargate, SQS, and Secrets Manager.Work effectively with ambiguous requirements, demonstrating theability to independently define solutions and drive projectsforward.Troubleshoot and resolve complex production issues across varioussystem components and environments.Contribute to architectural discussions and guide the technicaldirection of backend systems.Requirements:10+ years of professional experience in building and deployingmicroservice applications, including experience with case managementsystems and user authentication.Expert-level proficiency inPython, including extensive experiencewithFastAPI, SQLAlchemy, andAlembic.Proven experience deploying backend microservices for publicapplications using AWS tools like ECS or EKS.Strong expertise in PostgreSQL database design, optimization, andadministration.Proficiency in containerization technologies (Docker) andorchestration platforms (Kubernetes).In-depth knowledge and hands-on experience with AWS services,including ECS, ECR, Fargate, SQS, and Secrets Manager.Demonstrated ability to work effectively with vague requirements andlimited documentation, translating business needs into technicalsolutions.Proficiency inLinuxenvironments.Excellent problem-solving, analytical, and communication skills.Education:Bachelor's degree is requiredOther:Arena Technical Resources, LLC, (ATR) is an Equal Opportunity Employer(EOE) who will provide equal employment opportunity to employees andapplicants for employment without regard to race, ethnicity, religion,color, sex, pregnancy, national origin, age, veteran status, ancestry,sexual orientation, gender identity or expression, marital status,family structure, genetic information, or mental or physical disabilityFirst NameRequiredLast NameRequiredEmail AddressRequiredPhone NumberCountryNoneAfghanistanÅland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCabo VerdeCambodiaCameroonCanadaCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo-BrazzavilleCook IslandsCosta RicaCôte d'IvoireCroatiaCubaCuraçaoCyprusCzechiaDemocratic People's Republic of KoreaDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFederated States of MicronesiaFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIraqIrelandIslamic Republic of IranIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLao People's Democratic RepublicLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacaoMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew 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Description:We are seeking a highly experienced and skilled SeniorBackend Engineerto join our team. The ideal candidate will possess a deep understandingof backend architecture, microservices, and cloud-native deployments,with a proven track record of delivering robust and scalablesolutions. This role requires an individual who can thrive inenvironments with evolving requirements and limited documentation,demonstrating strong problem-solving and independent workcapabilities. Responsibilities (include but are not limited to):Design, develop, and maintain highly scalable and performantmicroservice applications, including complex case management systemswith secure user authentication.Lead the development of backend services usingPython, leveragingframeworks such asFastAPI, and managing database migrations withSQLAlchemyandAlembic.Manage and optimizePostgreSQLdatabases, ensuring data integrity,performance, and scalability.Implement and maintain containerized applications usingDockerandorchestrate deployments withKubernetes.Architect and manage cloud infrastructure onAWS, utilizing serviceslikeECS, ECR, Fargate, SQS, and Secrets Manager.Work effectively with ambiguous requirements, demonstrating theability to independently define solutions and drive projectsforward.Troubleshoot and resolve complex production issues across varioussystem components and environments.Contribute to architectural discussions and guide the technicaldirection of backend systems.Requirements:10+ years of professional experience in building and deployingmicroservice applications, including experience with case managementsystems and user authentication.Expert-level proficiency inPython, including extensive experiencewithFastAPI, SQLAlchemy, andAlembic.Proven experience deploying backend microservices for publicapplications using AWS tools like ECS or EKS.Strong expertise in PostgreSQL database design, optimization, andadministration.Proficiency in containerization technologies (Docker) andorchestration platforms (Kubernetes).In-depth knowledge and hands-on experience with AWS services,including ECS, ECR, Fargate, SQS, and Secrets Manager.Demonstrated ability to work effectively with vague requirements andlimited documentation, translating business needs into technicalsolutions.Proficiency inLinuxenvironments.Excellent problem-solving, analytical, and communication skills.Education:Bachelor's degree is requiredOther:Arena Technical Resources, LLC, (ATR) is an Equal Opportunity Employer(EOE) who will provide equal employment opportunity to employees andapplicants for employment without regard to race, ethnicity, religion,color, sex, pregnancy, national origin, age, veteran status, ancestry,sexual orientation, gender identity or expression, marital status,family structure, genetic information, or mental or physical disabilityFirst NameRequiredLast NameRequiredEmail AddressRequiredPhone NumberCountryNoneAfghanistanÅland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCabo VerdeCambodiaCameroonCanadaCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo-BrazzavilleCook IslandsCosta RicaCôte d'IvoireCroatiaCubaCuraçaoCyprusCzechiaDemocratic People's Republic of KoreaDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFederated States of MicronesiaFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIraqIrelandIslamic Republic of IranIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLao People's Democratic RepublicLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacaoMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarRepublic of KoreaRepublic of MoldovaReunionRomaniaRussiaRwandaSaint BarthelemySaint Helena, Ascension and Tristan da CunhaSaint Kitts and NevisSaint LuciaSaint MartinSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint Maarten (Dutch part)SlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth SudanSpainSri LankaState of PalestineSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluU.S. Virgin IslandsUgandaUkraineUnited Arab EmiratesUnited KingdomUnited Republic of TanzaniaUnited StatesUnited States Minor Outlying IslandsUruguayUzbekistanVanuatuVaticanVenezuelaVietnamWallis and FutunaWestern SaharaYemenZambiaZimbabweState/ProvinceNoneAlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWashington, D.C.West VirginiaWisconsinWyomingCityZIP/Postal CodeResumeChoose File...Required, maximum file size is 512KB, allowed file types are doc, docx, pdf, odf, and txtMessageSuccess!Your application was successfully sent!","datePosted":"2026-06-26T02:32:44.970Z","dateModified":"2026-06-26T02:32:44.970Z","hiringOrganization":{"@type":"Organization","name":"Arena Technical 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