Senior Backend Engineer – Go
4 tygodni temu
Senior Backend Engineer – Go / EKS / WebSockets & Reverse Proxy (IoT at Scale)Miejsce pracy: WrocławTechnologies we useExpectedGoEKSKubernetesAWSOptionalDataDogIoTOperating systemmacOSLinuxYour responsibilitiesDesign, implement, and operate backend services in Go that manage millions of persistent WebSocket connectionsOwn and evolve the reverse proxy layer that routes traffic from devices across our global infrastructureOptimize connection lifecycle handling (open/idle/close), routing logic, and failover for long-lived connectionsManage workloads on Amazon EKS, focusing on resiliency, scalability, and automationCollaborate with platform, security, and architecture teams to ensure robust and secure communication flowsDefine and monitor key technical metrics: connection stability, message latency, throughput, and availabilityBuild tooling for connection tracing, diagnostics, and recovery in a distributed systemDrive continuous improvements to system observability, maintainability, and operational efficiencyOur requirementsProven ability to handle real-time messaging systems and millions of concurrent connectionsFamiliarity with telemetry and observability tools (e.g., DataDog, Prometheus)Fluent in English and comfortable working in international, distributed teamsSelf-motivated, pragmatic, and able to take full ownership of technical domainsOptionalExperience with IoT communication patterns, device provisioning, and cloud-to-device messagingBackground in real-time systems, edge architecture, or message brokersExperience contributing to or maintaining open-source Go librariesUnderstanding of DoS protection, rate limiting, and scalable security mechanisms in WebSocket-heavy systemsThis is how we organize our workThis is how we workin houseyou focus on a single project at a timeyou have influence on the technological solutions appliedyou focus on product developmentkanbanTeam membersbackend developerThis is how we work on a projectContinuous DeploymentContinuous IntegrationDevOpsWhat we offerDynamic International Environment: Collaborate with diverse teams globally, enriching your experience and expanding your professional network.Collaborative Team Culture: Join a supportive team that values your contributions and encourages your growth.Professional Development Opportunities: Expand your skills through engaging projects and responsibilities that challenge and inspire you.Flexible hybrid work arrangements: Enjoy a mix of remote work and office collaboration, with a minimum of one day per week in our modern offices.Comprehensive Benefits Package: Enjoy private health care, a Lunchpass card, a sports card, group insurance options and employee discounts.Benefitssharing the costs of sports activitiesprivate medical caresharing the costs of foreign language classeslife insuranceremote work opportunitiesflexible working timecorporate products and services at discounted pricesextra social benefitspre-paid cardsextra leaveWszystkie informacje o przetwarzaniu danych osobowych w tej rekrutacji znajdziesz w formularzu aplikacyjnym, po kliknięciu w przycisk "Aplikuj Teraz".
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Senior Backend Developer
4 tygodni temu
Wrocław, dolnośląskie, dolnośląskie, Polska PSE INNOWACJE SP Z O O Pełny etatSenior Backend Developer (Data Engineer)Miejsce pracy: WrocławTechnologie, których używamyWymaganePythonPySparkpandasETLSQLAirflowKubernetesMile widzianeMLOpsDevSecOpsTwój zakres obowiązkówProjektowanie i budowanie architektury danych na potrzeby organizacji.Integracja danych z różnych źródeł, zarówno batch, jak i stream.Automatyzacja procesów...
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Senior Backend Engineer
6 dni temu
Wrocław, Województwo dolnośląskie, Polska Text Pełny etat 80 000 zł - 120 000 zł rocznieThe Accounts & Subscription Experience team ensures seamless access, secure authentication, and smooth subscription management across all our products. We own the core backend services that handle account creation, organization management, authentication and authorization (OAuth), as well as subscription lifecycles, billing automation, and access...
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Senior Backend Engineer
1 tydzień temu
Wrocław, Województwo dolnośląskie, Polska Spyrosoft Pełny etat 80 000 zł - 120 000 zł rocznieJob DescriptionThe project is an advanced digital twin platform that unifies all energy and climate-relevant data into a single, comprehensive solution. It is designed to support all stakeholders involved in the energy transition by providing precise, data-driven insights and decision-making tools. Through a modular architecture, the platform addresses the...
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Senior Backend Engineer
4 dni temu
Wrocław, Województwo dolnośląskie, Polska Surfer Pełny etat 50 000 zł - 100 000 zł rocznieMonthly Salary: PLN + VATContract: B2BAbout your team:Join the Content Cartel team which builds high-performance content editor - the most complex and feature-rich part of Surfer. We're not just building a text editor; we're engineering the future of content optimization. Our tools help thousands of users rank higher on Google and LLMs by scoring articles...
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Senior Java Backend Developer
4 tygodni temu
Wrocław, dolnośląskie, dolnośląskie, Polska UPVANTA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Pełny etatSenior Java Backend Developer Miejsce pracy: WrocławTechnologies we useOperating systemWindowsAbout the projectThis specific position gives you the opportunity to interact within international environment and work with the most recognizable and influential players on the market.Your responsibilitiesWork as a Senior Java Back-end Developer to contribute in...
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Senior Backend Engineer
4 dni temu
Wrocław, Województwo dolnośląskie, Polska Surfer Pełny etat 30 000 USD - 90 000 USD rocznieJob description Monthly Salary: PLN + VATContract: B2BAbout your team:Join the Content Cartel team which builds high-performance content editor - the most complex and feature-rich part of Surfer. We're not just building a text editor; we're engineering the future of content optimization. Our tools help thousands of users rank higher on Google and LLMs by...
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Senior Java Backend Developer
4 tygodni temu
Wrocław, dolnośląskie, dolnośląskie, Polska UPVANTA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Pełny etatSenior Java Backend Developer Miejsce pracy: WrocławTechnologies we useOperating systemWindowsAbout the projectPoszukujemy doświadczonego Senior Java Developera, który dołączy do naszego zespołu inżynierów i pomoże nam rozwijać skalowalne aplikacje klasy enterprise. Będziesz współtworzyć architekturę systemów, uczestniczyć w projektowaniu...
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Lead Senior Backend Engineer
4 tygodni temu
Wrocław, dolnośląskie, Polska RemoDevs Pełny etat 60 złAbout UsWe build AI that takes drive-thru orders. Our system helps restaurants serve faster and with fewer mistakes. It can be adjusted for scripts, upsells, and voice, while also fitting local menus and offers. By reducing stress and saving work hours, we improve both staff and guest experience. We are growing fast and already have the largest number of...
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Senior Backend Integration Engineer NET Azure Functions
4 tygodni temu
Wrocław, dolnośląskie, Polska emagine Polska Pełny etatRole: Senior Backend Integration Engineer (.NET / Azure Functions)Location: Remote, with occasional visits to the office in Krakow.Industry: BankingType of contract: B2BStart: ASAPSummary:We’re building a team.New Project: Customer Services module of MS Dynamics 365. The primary goal of the role is to build and implement an AI integration with Zoom that...
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Senior Backend Engineer Payment Platform
4 tygodni temu
Wrocław, dolnośląskie, Polska HelloFresh Pełny etat 19 złJoin our R&D Tech Hub in Wroclaw HelloFresh Group, the world’s leading integrated food solutions provider, is expanding with a new R&D Tech office in Poland. With brands offering meal kits, ready-to-eat meals, and specialty products such as meat, seafood, and pet food, we are seeking individuals who are ready to make an impact from day one. Joining us in...
