{"id":3396767,"url":"https://alion.io/job/exadel-senior-full-stack-software-engineer-python-react","title":"Senior Full-Stack Software Engineer (Python, React)","company":{"id":713122,"name":"Exadel","domain":"exadel.com","url":"https://alion.io/company/exadel-3","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":71000,"max_usd":115000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":233},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Function Calling","optional":false},{"name":"LLM","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"Vue.js","optional":false},{"name":"Claude","optional":true},{"name":"ClickHouse","optional":true},{"name":"JavaScript","optional":true},{"name":"LangChain","optional":true},{"name":"LangGraph","optional":true},{"name":"Model Context Protocol","optional":true},{"name":"OpenAI Agents SDK","optional":true},{"name":"OpenTelemetry","optional":true}],"status":"live","first_seen_at":"2026-10-28T11:35:01Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-03T13:44:48Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Why Join Exadel\nWe’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.\nFrom AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.\nWhat powers it all? Our people are ambitious, collaborative, and constantly evolving.\nWhat You’ll Do\nDesign, build, and maintain full-stack web applications, ensuring high performance, scalability, and security\nImplement new features and enhancements in a well-tested, maintainable, and efficient way\nCollaborate with Product managers and UX designers to create intuitive, responsive, and accessible interfaces\nReview, analyze, and implement technical solutions to meet business requirements, driving resolution of issues and bugs\nContribute to architectural decisions, API design, and system integrations\nProvide technical leadership to the engineering team - guide design discussions, perform code reviews, and support continuous improvement\nParticipate in task estimation, prioritization, and planning in alignment with engineering processes\nWhat You Bring\nExtensive professional expertise in Python/Node.js and proven experience with modern frontend frameworks (React.js, Vue.js, or Next.js)\nBackground job processing: queues, retries, idempotent jobs, handling a worker that fails mid-task\nHands-on knowledge of cloud services (preferably AWS) and database technologies (SQL/NoSQL)\nExperience in contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and existing systems\nDeep understanding of API development, microservices, and system integration\nAt least one project using LLM APIs with tool calling and streaming. A side project is fine. A simple chat interface on top of an API isn’t enough\nAt least one product you built from scratch and then maintained in production for a year or more\nNice to have\nTemporal, Inngest or another durable execution tool\nOpenTelemetry, ClickHouse or other tools for storing large volumes of logs and traces\nBuilding MCP servers or clients\nLangGraph, OpenAI Agents SDK or Claude Agent SDK\nProtection against prompt injection, sandboxing tool execution\nEnglish Language\nUpper-Intermediate \nLegal & Hiring Information\nExadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.\nReasonable accommodations are available to enable individuals with disabilities to perform essential functions.\nPlease note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.\nCompensation details are shared with candidates at the early stage of the recruitment process.\nThe offer is not binding until a signed contract is in place.\nYour Benefits at Exadel \nExadel benefits vary by location and contract type. Your recruiter will fill you in on the details.\nInternational projects\nIn-office, hybrid, or remote flexibility\nMedical healthcare\nRecognition program\nOngoing learning & reimbursement \nWell-being program\nTeam events & local benefits \nSports compensation \nReferral bonuses \nTop-tier equipment provision\nExadel Culture\nWe lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. 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