{"id":2365242,"url":"https://alion.io/job/sigma-software-group-full-stack-engineer-python-react","title":"Full-Stack Engineer (Python / React)","company":{"id":6266,"name":"Sigma Software Group","domain":"sigma.software","url":"https://alion.io/company/sigma-software-group","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":41000,"max_usd":80000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":36},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"Azure AKS","optional":false},{"name":"CI/CD","optional":false},{"name":"GitLab CI","optional":false},{"name":"Kubernetes","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Next.js","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-12T10:31:34Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-16T03:20:37Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Looking for an opportunity to work on scalable cloud-native systems within the telecommunications domain? We are searching for a Middle Full Stack Engineer with strong Python expertise and solid React skills to join an international team building a modern Product Information Service.\nCUSTOMER\nOur Customer is a leading Swedish telecommunications company delivering innovative large-scale technology solutions across complex infrastructure environments. Operating internationally and serving millions of users, the company collaborates with global technology leaders to drive digital transformation initiatives and modernize enterprise connectivity services through cloud-native and data-driven solutions.\nPROJECT\nThe team is developing a Product Information Service - a scalable cloud-native platform designed to manage product-related data and enable seamless integration across multiple systems. The solution focuses on reliable data management, API development, and distributed system integration to ensure efficient information flow between platforms.\nAs part of the project, you will participate in the full software development lifecycle, contributing to architecture discussions, implementation, testing, deployment, and continuous improvement initiatives within a modern engineering environment.\nKey Technologies: Python, React, TypeScript, PostgreSQL, Kubernetes, GitLab CI, Microsoft Azure, REST APIs\n Develop and maintain Back-end and Front-end components of a web-based data-intensive system\nDesign, implement, and support REST APIs and integrations with internal platforms and services\nBuild and maintain scalable applications and database solutions\nWrite clean, maintainable, and testable code following engineering best practices\nCreate and maintain unit, integration, and end-to-end tests\nParticipate in code reviews and contribute to technical documentation\nCollaborate closely with stakeholders, engineers, and product teams during regular meetings and planning sessions\nParticipate in Agile ceremonies including estimation, backlog grooming, sprint planning, and retrospectives\nContribute to system reliability, deployment automation, and performance optimization activities\n 3+ years of professional software development experience with Python\nStrong experience with SQL and PostgreSQL\nWorking knowledge of TypeScript and React\nExperience building and maintaining RESTful APIs\nUnderstanding of cloud infrastructure and modern application deployment approaches\nFamiliarity with Kubernetes and containerized environments\nExperience with CI/CD practices and related tools such as GitLab CI\nUnderstanding of software development best practices, testing approaches, and code quality standards\nUpper-Intermediate English level\nWILL BE A PLUS\nExperience with Next.js\nExperience with Microsoft Azure, especially AKS\nFamiliarity with MCP and RAG-based systems\n 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