{"id":3632707,"url":"https://alion.io/job/kstack-senior-python-engineer","title":"Senior Python Engineer","company":{"id":4495926,"name":"Kstack","domain":"kstack.com.br","url":"https://alion.io/company/kstack-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"InHire","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["São Paulo, Brazil"],"countries":["BR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Google Cloud Run","optional":false},{"name":"gRPC","optional":false},{"name":"Kubernetes","optional":false},{"name":"Machine Learning","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Fine-tuning","optional":true},{"name":"Google ADK","optional":true},{"name":"LangChain","optional":true},{"name":"Pulumi","optional":true},{"name":"RAG","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-09-08T21:39:52Z","employer_posted_date":"2026-09-08","last_verified_at":"2026-11-10T04:38:22Z","board_verified":true,"closed_at":null,"days_open":62,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":62},"description":"ML/AI Team\nPython | GCP | Generative AI | LLMs | Cloud Run | Kubernetes | Full-Stack\nAbout the Role\nWe’re looking for a Senior Python Engineer to help shape the next generation of intelligent products as part of our ML/AI team.\nIn this role, you’ll design and build the systems that bring machine learning and generative AI out of the lab and into the hands of real users-from scalable, cloud-native back-end services to the APIs and interfaces that make AI-powered capabilities accessible.\nThis is not a research-only role. You’ll own the full development lifecycle: prototyping new ideas, architecting production-grade services on Google Cloud Platform (GCP), and shipping features that customers interact with every day.\nIf you enjoy working at the intersection of software engineering and AI and want your code to have an immediate, visible impact, this role is for you.\nWhat You’ll Do\nBuild & Ship AI-Powered Products\nDesign, develop, and deploy production-grade ML/AI services end-to-end, from model integration to client-facing APIs.\nBuild event-driven, real-time architectures using Cloud Functions, Cloud Run, Kubernetes, Pub/Sub, and similar GCP services.\nIntegrate transformer-based models and Large Language Models (LLMs) into scalable inference pipelines, including prompt engineering, output formatting, and graceful error handling.\nBuild clean, reliable, well-tested Python back-end services that power seamless full-stack experiences.\nOwn the Architecture\nLead technical design sessions and whiteboarding exercises, translating product requirements into robust, scalable architectures.\nDrive projects from concept through production with minimal oversight, setting a high bar for both execution and engineering quality.\nChampion engineering best practices, including CI/CD, observability, automated testing, and Infrastructure as Code (IaC).\nCollaborate & Communicate\nPartner closely with engineers, Product Owners, and Data Scientists to align priorities and deliver solutions iteratively.\nTranslate complex AI concepts into clear, actionable technical plans that non-technical stakeholders can understand and support.\nActively participate in code reviews, architecture discussions, and knowledge-sharing sessions.\nWhat You Bring\nMust-Have Qualifications\n4-6+ years of professional back-end or full-stack software engineering experience, with a strong focus on Python.\nProven experience designing and deploying cloud-native applications; GCP is strongly preferred, although AWS and Azure experience will also be considered.\nHands-on experience building resilient, event-driven microservices and RESTful/gRPC APIs.\nSolid understanding of containerization with Docker, orchestration with Kubernetes, and serverless architectures.\nStrong experience applying SOLID design principles.\nStrong communication skills and the ability to thrive in cross-functional, Agile teams.\nComfortable using AI-powered tools to accelerate software development and improve engineering productivity.\nNice-to-Have Qualifications\nExperience deploying and serving machine learning models or LLMs in production environments.\nFamiliarity with prompt engineering, Retrieval-Augmented Generation (RAG), vector search, or fine-tuning workflows.\nExposure to modern AI orchestration frameworks such as LangChain, Google ADK, or similar technologies.\nExperience with Infrastructure as Code tools, such as Terraform or Pulumi, as well as CI/CD pipelines.\nBachelor’s degree in Computer Science or a related field, or equivalent practical experience.\nWho You Are\nBeyond technical expertise, these are the qualities that set our strongest engineers apart:\nRelentless Learner\nYou pick up new technologies quickly and understand that there is rarely a one-size-fits-all solution. You have deep proficiency in at least one scripting language and a genuine drive to continuously expand your technical expertise.\nFearless Builder\nYou believe a working proof of concept can be more valuable than endless discussion. You know that speed and quality are not mutually exclusive-and you hold yourself accountable for both.\nFull-Stack Thinker\nYou understand how each layer of the technology stack-from the front end and database to networking and infrastructure-works together. You naturally consider how technical decisions affect overall system performance and the end-user experience.\nArchitecture-Minded\nDesigning highly scalable, fault-tolerant services comes naturally to you. You stay current with modern architectural patterns and are willing to challenge existing approaches when a better solution is available.\nOwnership-Driven\nYou take pride in everything you ship. Code isn’t considered done until it is well-tested, properly documented, and supported by effective monitoring. You take accountability for the quality of every release.\nTeam Multiplier\nYou believe the best outcomes come from strong collaboration. 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