{"id":3614481,"url":"https://alion.io/job/zetico-senior-full-stack-engineer-back-end-focused","title":"Senior Full Stack Engineer (Back-end focused)","company":{"id":4486840,"name":"Zetico","domain":"zetico.io","url":"https://alion.io/company/zetico","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"ClickHouse","optional":false},{"name":"Docker","optional":false},{"name":"Kubernetes","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"AWS","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-02T12:39:46Z","employer_posted_date":null,"last_verified_at":"2026-11-02T12:39:46Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Job description\n\nWe’re looking for a senior software engineer (back-end oriented) with a hands-on mindset and passion for building great product experiences. \n\nOur client is a well-funded cybersecurity startup ($24M+ raised) building the world’s first Application Detection & Response (ADR) platform. Why? Because 80% of cyber attacks target the app layer, and current tools just don’t cut it. Their solution brings visibility into how apps actually behave at runtime, spotting risky flows and shutting down threats in real time.\n\nIn this role, you’ll be responsible for connecting a high-scale data infrastructure with our customer-facing portal - turning complex, runtime telemetry into fast, intuitive, and intelligent user experiences. You’ll work closely with product, design, and data pipeline and security engineers to build data pipelines, APIs, and integrations that make the platform both powerful and delightful to use.\n\nThis is a hands-on role at the intersection of backend systems, high scale data engineering, and user experience, shaping how massive volumes of runtime data flow through our data-driven platform.\n\nKey tech stack: Python, Typescript, Node.js, React, PostgreSQL, Temporal, ClickHouse, Kafka, AWS, Kubernetes \n\nResponsibilities\n\nDesign and implement efficient data pipelines and backend integrations that connect our high-scale data to the user-facing portal \n\nBuild and optimize APIs, data services, and caching layers to ensure fast and reliable data access \n\nUse data modeling, denormalization, and performance optimization to handle complex queries and large datasets effectively \n\nCollaborate closely with frontend engineers, product managers, and designers to ensure data flows seamlessly into intuitive UI components \n\nContribute to the architecture and scalability of our cloud-native platform \n\nWrite clean, testable, production-ready code in Python, Node.js, TypeScript, and React, while keeping performance and maintainability top of mind \n\nStay close to users and product feedback loops — helping translate technical insights into better experiences.\n\nOwn end-to-end delivery, from backend design through deployment using CI/CD, Temporal, and Kubernetes \n\nRequired skills & experience\n\n6+ years of fullstack experience, with a strong backend focus\n\nStrong production experience in Python, Node.js, TypeScript, and PostgreSQL (or similar relational DBs)\n\nProven experience in high-scale data systems, including data ingestion, aggregation, and performance tuning\n\nStrong understanding of data modeling, denormalization, and API performance optimization\n\nFamiliarity with React and modern frontend frameworks for connecting and visualizing backend data\n\nExperience with CI/CD pipelines, Kubernetes, Docker, and cloud-native architectures\n\nStrong collaboration, communication, and problem-solving skills, you love working across disciplines to deliver impact\n\nExperience in startups or high-growth environments, where speed, ownership, and quality go hand-in-hand\n\nUpper-intermediate+ level of English\n\nBonus points\n\nTech leadership experience \n\nExperience in the cybersecurity domain\n\nExperience with ClickHouse and Kafka\n\nYou’re a contributor to open-source software or run your own pet projects\n\nWhat’s in it for you\n\nOpportunity to become a core part of a boutique software consultancy, working with well-known international customers and complex tech challenges\n\nCompetitive salary \n\nPaid national holidays, vacation and sick leave\n\nAnnual learning & development stipend \n\nMonthly health and wellness benefit (reimbursement for gym, pool, and other health-related activities)\n\nRemote-first culture\n\nMentorship 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