{"id":4125510,"date":"2026-11-02T12:39:46","date_gmt":"2026-11-02T10:39:46","guid":{"rendered":"https:\/\/remoteworkukraine.com\/ua\/remote-job\/senior-full-stack-engineer-back-end-focused\/"},"modified":"2026-11-02T19:09:34","modified_gmt":"2026-11-02T17:09:34","slug":"senior-full-stack-engineer-back-end-focused-zetico-11-02-2026","status":"publish","type":"job","link":"https:\/\/remoteworkukraine.com\/ua\/remote-job\/senior-full-stack-engineer-back-end-focused-zetico-11-02-2026\/","title":{"rendered":"Senior Full Stack Engineer (Back-end focused)"},"content":{"rendered":"<p>Job description<\/p>\n<p>We&#x27;re looking for a senior software engineer (back-end oriented) with a hands-on mindset and passion for building great product experiences.<\/p>\n<p>Our client is a well-funded cybersecurity startup ($24M+ raised) building the world&#x27;s first Application Detection &amp; Response (ADR) platform. Why? Because 80% of cyber attacks target the app layer, and current tools just don&#x27;t cut it. Their solution brings visibility into how apps actually behave at runtime, spotting risky flows and shutting down threats in real time.<\/p>\n<p>In this role, you&#x27;ll be responsible for connecting a high-scale data infrastructure with our customer-facing portal &#8211; turning complex, runtime telemetry into fast, intuitive, and intelligent user experiences. You&#x27;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.<\/p>\n<p>This 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.<\/p>\n<p>Key tech stack: Python, Typescript, Node.js, React, PostgreSQL, Temporal, ClickHouse, Kafka, AWS, Kubernetes<\/p>\n<p>Responsibilities<\/p>\n<p>Design and implement efficient data pipelines and backend integrations that connect our high-scale data to the user-facing portal <br \/>Build and optimize APIs, data services, and caching layers to ensure fast and reliable data access <br \/>Use data modeling, denormalization, and performance optimization to handle complex queries and large datasets effectively <br \/>Collaborate closely with frontend engineers, product managers, and designers to ensure data flows seamlessly into intuitive UI components <br \/>Contribute to the architecture and scalability of our cloud-native platform <br \/>Write clean, testable, production-ready code in Python, Node.js, TypeScript, and React, while keeping performance and maintainability top of mind <br \/>Stay close to users and product feedback loops  helping translate technical insights into better experiences.<br \/>Own end-to-end delivery, from backend design through deployment using CI\/CD, Temporal, and Kubernetes<\/p>\n<p>Required skills &amp; experience<\/p>\n<p>6+ years of fullstack experience, with a strong backend focus<br \/>Strong production experience in Python, Node.js, TypeScript, and PostgreSQL (or similar relational DBs)<br \/>Proven experience in high-scale data systems, including data ingestion, aggregation, and performance tuning<br \/>Strong understanding of data modeling, denormalization, and API performance optimization<br \/>Familiarity with React and modern frontend frameworks for connecting and visualizing backend data<br \/>Experience with CI\/CD pipelines, Kubernetes, Docker, and cloud-native architectures<br \/>Strong collaboration, communication, and problem-solving skills, you love working across disciplines to deliver impact<br \/>Experience in startups or high-growth environments, where speed, ownership, and quality go hand-in-hand<br \/>Upper-intermediate+ level of English<\/p>\n<p>Bonus points<\/p>\n<p>Tech leadership experience <br \/>Experience in the cybersecurity domain<br \/>Experience with ClickHouse and Kafka<br \/>You&#x27;re a contributor to open-source software or run your own pet projects<\/p>\n<p>What&#x27;s in it for you<\/p>\n<p>Opportunity to become a core part of a boutique software consultancy, working with well-known international customers and complex tech challenges<br \/>Competitive salary <br \/>Paid national holidays, vacation and sick leave<br \/>Annual learning &amp; development stipend <br \/>Monthly health and wellness benefit (reimbursement for gym, pool, and other health-related activities)<br \/>Remote-first culture<br \/>Mentorship from an experienced CTO<br \/>FOP administration support<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Job description We&#x27;re looking for a senior software engineer (back-end&#8230;<\/p>\n","protected":false},"author":5522,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_mo_disable_npp":"","rwu_salary_min":0,"rwu_salary_max":0,"rwu_salary_currency":"","rwu_salary_period":"","rwu_english_level":"C1","rwu_experience_months":72,"rwu_candidate_countries":"\u041a\u0440\u0430\u0457\u043d\u0438 \u0404\u0432\u0440\u043e\u043f\u0438 \u0442\u0430 \u0423\u043a\u0440\u0430\u0457\u043d\u0430","rwu_company_type":"","rwu_industry":"security","rwu_part_time":false,"rwu_source_views":251,"rwu_source_applications":90,"rwu_source_category":"Fullstack","rwu_source_name":"Djinni.co","rwu_source_url":"https:\/\/djinni.co\/jobs\/856182-senior-full-stack-engineer-back-end-focused\/","rwu_apply_url":""},"job_category":[57],"job_type":[54],"class_list":["post-4125510","job","type-job","status-publish","hentry","job_category-programuvannia","job_type-povna-zainiatist"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Senior Full Stack Engineer (Back-end focused), (\u0432\u0456\u0434\u0434\u0430\u043b\u0435\u043d\u043e) | Remote Work Ukraine<\/title>\n<meta name=\"description\" content=\"\u0412\u0456\u0434\u0434\u0430\u043b\u0435\u043d\u0430 \u0432\u0430\u043a\u0430\u043d\u0441\u0456\u044f Senior Full Stack Engineer (Back-end focused) \u0443 . 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