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Senior Backend Engineer

SCALIS Careers

Warsaw, Poland
2 months ago
Job Title: Senior Back End Engineer 🚀💻✨Location: Remote 🌍Job Type: Full Time ⏰Reports To: Head of Engineering 👨‍💻SCALIS matches relevant candidates to companies with a fully integrated AI-based Applicant Tracking System (ATS) and Job Board platform that redefines the standard approach to collecting and processing applicant information powered by a next-generation matching algorithm.We are looking for an experienced and highly skilled Senior Backend Developer to join our dynamic team. The ideal candidate will have a proven track record in back-end development, showcasing expertise in technologies such as Postgres, NextJS, Prisma, and cloud services. As a Senior Backend Developer, you will take a leadership role in designing and implementing scalable, high-performance back-end solutions.If you are a motivated developer with a passion for building robust and scalable back-end systems, we invite you to apply for this exciting opportunity. Join our team and contribute to the success of our innovative projects. We provide our team members with the freedom to bring in new ideas and strategies to help our business grow.Come shape the future of hiring with us!Responsibilities:Lead the design, development, and maintenance of advanced back-end systems using NextJS, Prisma, and Postgres, and GraphQL.Collaborate closely with front-end developers to integrate front-end components seamlessly with the back-end services.Architect and optimize database structures using Postgres for efficient data storage and retrieval.Utilize cloud platforms such as AWS or Azure to deploy and manage robust back-end servicesDemonstrate proficiency in Linux command-line interface (CLI) for server management and administration.Conduct thorough code reviews, mentor junior developers, and ensure the team adheres to coding standards.Collaborate with cross-functional teams to analyze project requirements and provide strategic technical insights.Qualifications:Extensive experience in back-end development with a focus on NextJS, Prisma, and PostgresProven expertise in cloud services, with a preference for AWS or AzureStrong command-line proficiency in a Linux environmentIn-depth understanding of advanced server-side programming conceptsExceptional problem-solving and troubleshooting skillsEducation and Experience:5+ years of demonstrable experience in senior-level back-end developmentProven track record of successful projects involving NextJS, Prisma, Postgres, GraphQL, and cloud platforms (AWS or Azure).Bachelor's degree or higher, in Computer Science, Engineering, or a related field would be very desirable.Additional Skills (Nice to Have):Familiarity with serverless architecture and microservicesKnowledge of containerization technologies, such as DockerDeep understanding of GraphQL design principles

Remote

Full Time

Intermediate or Experienced

Senior Backend Engineer

SCALIS Careers

São Paulo, São Paulo, Brazil
2 months ago
Job Title: Senior Back End Engineer 🚀💻✨Location: Remote 🌍Job Type: Full Time ⏰Reports To: Head of Engineering 👨‍💻SCALIS matches relevant candidates to companies with a fully integrated AI-based Applicant Tracking System (ATS) and Job Board platform that redefines the standard approach to collecting and processing applicant information powered by a next-generation matching algorithm.We are looking for an experienced and highly skilled Senior Backend Developer to join our dynamic team. The ideal candidate will have a proven track record in back-end development, showcasing expertise in technologies such as Postgres, NextJS, Prisma, and cloud services. As a Senior Backend Developer, you will take a leadership role in designing and implementing scalable, high-performance back-end solutions.If you are a motivated developer with a passion for building robust and scalable back-end systems, we invite you to apply for this exciting opportunity. Join our team and contribute to the success of our innovative projects. We provide our team members with the freedom to bring in new ideas and strategies to help our business grow.Come shape the future of hiring with us!Responsibilities:Lead the design, development, and maintenance of advanced back-end systems using NextJS, Prisma, and Postgres, and GraphQL.Collaborate closely with front-end developers to integrate front-end components seamlessly with the back-end services.Architect and optimize database structures using Postgres for efficient data storage and retrieval.Utilize cloud platforms such as AWS or Azure to deploy and manage robust back-end servicesDemonstrate proficiency in Linux command-line interface (CLI) for server management and administration.Conduct thorough code reviews, mentor junior developers, and ensure the team adheres to coding standards.Collaborate with cross-functional teams to analyze project requirements and provide strategic technical insights.Qualifications:Extensive experience in back-end development with a focus on NextJS, Prisma, and PostgresProven expertise in cloud services, with a preference for AWS or AzureStrong command-line proficiency in a Linux environmentIn-depth understanding of advanced server-side programming conceptsExceptional problem-solving and troubleshooting skillsEducation and Experience:5+ years of demonstrable experience in senior-level back-end developmentProven track record of successful projects involving NextJS, Prisma, Postgres, GraphQL, and cloud platforms (AWS or Azure).Bachelor's degree or higher, in Computer Science, Engineering, or a related field would be very desirable.Additional Skills (Nice to Have):Familiarity with serverless architecture and microservicesKnowledge of containerization technologies, such as DockerDeep understanding of GraphQL design principles

Remote

Full Time

Intermediate or Experienced

Kotlin Software Engineer

SCALIS Careers

New York, New York, United States
1 month ago
What your experience will be:You'll join the engineering team as a Software Engineer, contributing across our core product areas including telephony infrastructure, AI-powered conversation features, and application functionality. Your work will help restaurants automate customer interactions and improve service through natural conversation. You'll spend roughly 90% of your time developing backend services in Kotlin, with occasional contributions to React/TypeScript frontend features as needed. Your work will directly impact thousands of restaurant interactions daily, helping businesses streamline operations and deliver better customer experiences.You'll report to the Engineering Manager, collaborating closely with product managers, conversation designers, and fellow engineers. The role requires attendance at key ceremonies including daily standups at 1:00 PM ET, bi-weekly cycle planning, and weekly Show & Tell sessions. As a software engineer, you'll use modern collaboration tools like Slack, GitHub, and video conferencing to stay connected with the team. Once ramped up, you'll have opportunities to mentor junior and other mid-level engineers through code reviews and pair programming sessions.Why you belong here and how you will grow:Our engineering culture emphasizes pragmatic solutions, continuous learning, and collaborative problem-solving. We believe in domain-driven design, comprehensive testing, and building systems that gracefully handle the complexities of real-world restaurant operations. You'll work alongside engineers who are passionate about creating reliable, scalable conversational experiences and who regularly share knowledge through Show & Tell sessions and detailed technical documentation.As a software engineer, you'll gain exposure to cutting-edge conversational AI technologies, telephony systems at scale, and modern cloud-native architectures. You'll deepen your expertise in Kotlin and functional programming while working with production systems handling real-time voice interactions. The cross-functional nature of the role will accelerate your growth toward senior engineering roles. You'll learn from experienced engineers while contributing your own perspectives to architectural decisions and technical standards.What success looks like:Design and implement scalable Kotlin backend services following domain-driven design principles, with comprehensive error handling and testingDevelop and maintain GraphQL APIs that efficiently serve both internal and external clientsCreate robust integrations with Twilio telephony services and Dialogflow conversational AI, handling edge cases and failure scenarios gracefullyDesign efficient Firestore data models that balance performance, cost, and maintainabilityImplement comprehensive observability including logging, metrics, tracing, and actionable alertingDeliver production-ready code with appropriate test coverage (unit, integration, and end-to-end tests)Participate actively in code reviews, providing constructive feedback and incorporating suggestionsDocument technical decisions, API contracts, and system architecture clearlyDeploy containerized applications to Google Cloud Platform following cloud-native best practicesOccasionally build or update React/TypeScript frontend components that provide intuitive interfaces for restaurant staff and customersCollaborate effectively with cross-functional teams to refine requirements and deliver features that meet business needsContribute to technical design discussions and help establish coding standards and best practicesWhat you will bring:Required Qualifications:3-5 years of professional software development experience, primarily in backend systemsStrong proficiency in at least one JVM language (Kotlin, Java, or Scala) with understanding of functional programming conceptsExperience building and consuming RESTful or GraphQL APIsFamiliarity with NoSQL databases and data modeling conceptsExperience with containerization (Docker) and cloud platforms (AWS, GCP, or Azure)Strong understanding of software testing practices and test-driven developmentExcellent debugging and troubleshooting skillsBasic familiarity with React and TypeScript (occasional frontend adjustments may be needed)Ability to work independently and manage time effectively in a remote/hybrid environmentStrong written and verbal communication skills for remote/hybrid collaborationWilling and able to take a week on-call shift roughly every two monthsPreferred Qualifications:Experience with Kotlin specifically and its idiomsFamiliarity with GraphQL schema design and implementationExperience with Google Cloud Platform services (Firestore, Cloud Functions, Pub/Sub)Knowledge of telephony systems (Twilio or similar) and webhook integrationsExperience with conversational AI platforms (Dialogflow, Lex, or similar)Infrastructure as code experience with TerraformUnderstanding of event-driven architectures and distributed systems patternsExperience with observability tools and practices (structured logging, distributed tracing)Previous experience working in a fully remote or hybrid company Interest in restaurant/hospitality technology domainHow work affects my life:This software engineering position offers the flexibility of remote/hybrid work with competitive hourly compensation commensurate with mid-level engineering market rates. You'll have the autonomy to structure your 40-hour work week while maintaining core collaboration hours with the team. The role provides an opportunity to work on meaningful technology that directly impacts small business owners and their customers, helping restaurants thrive through innovative conversational AI solutions.Through this role, you'll gain valuable experience working with enterprise-grade systems and modern AI technologies, positioning you for future senior engineering opportunities. The exposure to production telephony systems, conversational AI, and scalable cloud architectures will expand your technical portfolio and worldview on how technology can transform traditional industries. You'll be part of building solutions that make restaurant operations more efficient and customer experiences more delightful, contributing to the digital transformation of the hospitality industry.Deliverables:This scope of work defines the responsibilities and deliverables for a software engineer supporting large-scale platform development. The engineer will focus primarily on implementing robust, scalable backend services in Kotlin while occasionally contributing to frontend features in TypeScript/React, all powering conversational solutions for full-service restaurants.Software DevelopmentDesign and implement backend services using Kotlin and the JVM ecosystem (primary focus)Develop GraphQL queries and mutations for client-server communicationContribute to React frontend components and features as neededCreate modular, testable code following domain-driven design principlesImplement proper error handling, logging, and graceful degradation patternsWrite comprehensive unit and integration tests across the stackData Modeling and StorageDesign and implement Firestore data models that optimize for performance and maintainabilityCreate efficient data access patterns and queriesImplement data migration scripts and schema evolution strategiesEnsure data consistency and integrity across distributed systemsDesign GraphQL schemas that effectively represent domain modelsTelephony and AI IntegrationsDevelop and maintain integrations with Twilio for voice and messaging capabilitiesImplement Dialogflow conversational flows and webhook handlersCreate fault-tolerant communication between telephony providers and internal servicesHandle edge cases and error scenarios in telephony workflowsImplement retry logic and circuit breaker patterns for external service callsFrontend Development (as needed)Implement React components using TypeScriptIntegrate frontend with GraphQL APIsEnsure responsive and accessible UI implementationsWrite unit tests for React componentsCollaborate with product team on user experience improvementsCloud Services IntegrationDevelop containerized applications using DockerDeploy and manage services on Google Cloud PlatformEnsure services follow cloud-native best practices for scalability and resilienceIntegrate with GCP services (Cloud Functions, Pub/Sub, etc.) as requiredProvision new infrastructure using Terraform as needed under the guidance of platform engineeringObservability and MonitoringImplement comprehensive logging, metrics, and tracingCreate dashboards and alerts for service health monitoringDevelop diagnostic tools to aid in troubleshooting production issuesEnsure all services provide actionable insights into their behavior and performanceDeliverablesCode and DocumentationProduction-ready Kotlin backend code following established coding standardsTypeScript/React frontend code when assigned frontend tasksGraphQL schema documentation and query examplesTechnical design documents for new features and architectural changesContribute to code reviews for team members' pull requests and submit your code for code reviewsTesting and Quality AssuranceAutomated test suites with adequate code coverage for backend servicesFrontend component tests for any UI work deliveredIntegration tests for all external service dependenciesBug fixes and issue resolution within agreed SLAsCollaboration and CommunicationTeam IntegrationParticipate in daily standups and bi-weekly cycle planning sessionsCollaborate with Platform & Data pods on shared initiativesProvide technical input during architecture discussionsShare knowledge and progress on work during weekly Show & Tell sessionsAfter ramping up, mentor junior/mid-level engineers through code reviews and pair programming sessionsStakeholder CommunicationProvide regular status updates on assigned tasksCommunicate technical trade-offs and implementation optionsDocument technical decisions and their rationaleParticipate in cross-functional meetings as neededTechnical StandardsCode QualityFollow Kotlin idioms and best practices for backend developmentUse TypeScript effectively with proper type safety for frontend workUse dependency injection and maintain loose couplingWrite self-documenting code with meaningful variable and function namesMaintain consistent code formatting using agreed-upon linters

On-Site

Full Time

Intermediate or Experienced

DevOps Engineer (Remote)

SCALIS Careers

Miami, Florida, United States
1 month ago
Job Title: DevOps EngineerLocation: Location to be determinedJob Type: Full TimeSalary: Compensation details available upon requestJob Summary:As a DevOps Engineer at SCALIS Careers, you will play a pivotal role in enhancing our software development and deployment processes. Your expertise in Kubernetes, Karpenter, Terraform/Terragrunt, GitHub, GitHub Actions, ArgoCD, and GitOps will be instrumental in driving our initiatives towards continuous integration and continuous delivery (CI/CD). This position is designed for a senior or executive-level professional who is passionate about optimizing workflows and ensuring the reliability of our systems.Success in this role means not only maintaining high availability and performance of our applications but also fostering a culture of collaboration and innovation within the team. You will be expected to set clear objectives, measure outcomes, and continuously improve our DevOps practices. Your contributions will directly impact the efficiency of our development teams and the satisfaction of our clients.This role offers significant growth opportunities as you will be at the forefront of implementing cutting-edge technologies and methodologies. You will collaborate closely with cross-functional teams, providing mentorship and guidance to junior engineers while also learning from your peers. The ideal candidate is a proactive problem-solver with a strong technical background and excellent communication skills, capable of navigating complex challenges with ease.To thrive in this position, you should possess a deep understanding of cloud infrastructure and automation tools, along with a commitment to best practices in DevOps. Your ability to adapt to new technologies and drive change will be key to your success at SCALIS Careers.Key Responsibilities:Design, implement, and manage CI/CD pipelines using GitHub Actions and ArgoCD.Utilize Kubernetes and Karpenter for efficient resource management and scaling of applications.Develop infrastructure as code using Terraform/Terragrunt to automate provisioning and management of cloud resources.Collaborate with development teams to ensure seamless integration of new features and enhancements.Monitor system performance and troubleshoot issues to maintain high availability and reliability.Implement security best practices across all stages of the development lifecycle.Provide mentorship and guidance to junior team members on DevOps practices and tools.Stay updated with industry trends and emerging technologies to continuously improve our DevOps processes.Required Qualifications:Bachelor's degree in Computer Science, Information Technology, or a related field.5+ years of experience in a DevOps or similar role.Proficiency in Kubernetes, Terraform/Terragrunt, GitHub, GitHub Actions, ArgoCD, and GitOps methodologies.Strong understanding of cloud platforms such as AWS, Azure, or Google Cloud.Excellent problem-solving skills and ability to work under pressure.Working Conditions:Flexible work environment with options for remote work.Collaborative team culture that encourages knowledge sharing and innovation.Access to the latest tools and technologies to enhance productivity.Commitment to professional development through training and certification opportunities.

On-Site

Full Time

Senior or Executive

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