{"id":1035518,"url":"https://alion.io/job/sigma-software-group-full-stack-developer-python-react","title":"Full Stack Developer (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":true,"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":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Brasília, Brazil"],"countries":["BR"],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Redshift","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Cassandra","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"GraphQL","optional":false},{"name":"HBase","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Unix","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-10T09:34:08Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-09-24T22:51:23Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"Looking to build large-scale E-commerce solutions used by millions of customers? We are seeking a Full Stack Developer with strong Python and React expertise to join a high-impact project for a leading pet products marketplace. This is a full-time remote opportunity based in Brazil.\nWe at Sigma Software create innovative digital products that combine scalability, performance, and outstanding user experience. In this role, you will collaborate with experienced engineers and cross-functional teams to develop modern distributed systems and customer-focused web applications.\nWhy join us? You will work with modern technologies, influence architectural decisions, and contribute directly to the growth of a large-scale E-commerce platform while enjoying flexible work conditions and professional development opportunities.\nCUSTOMER\nOur Customer is a leading marketplace specializing in pet products with a strong online presence and a large-scale digital commerce ecosystem. The company offers an extensive catalog of products for pet owners, including food, accessories, and healthcare solutions. Focused on customer satisfaction and innovation, the organization continues to expand its E-commerce capabilities to deliver seamless shopping experiences to millions of users.\nPROJECT\nThe project focuses on developing a scalable and high-performance E-commerce platform for a major pet products marketplace. The solution is designed to support millions of customers while ensuring reliability, low latency, and fault tolerance across distributed systems. The team is building modern backend services, event-driven architectures, and responsive frontend applications to enhance customer experience and support business growth.\nKey Technologies: Python, React, REST APIs, GraphQL, AWS, Google Cloud, Azure, Linux, MongoDB, Cassandra, HBase, Redshift, Microservices\n Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes\nBuild scalable backend services and microservices using Python\nDevelop and integrate REST and GraphQL APIs\nCreate responsive frontend functionality using React\nImplement event-driven solutions to improve scalability and system performance\nDevelop and execute unit, API, regression, and performance tests\nOptimize applications for scalability, reliability, and low latency\nCollaborate with cross-functional teams to troubleshoot and resolve production incidents\nContribute to architecture discussions and technical decision-making processes\n 4+ years of software development experience with object-oriented programming languages, including Python\nStrong backend development experience with Python\nExperience building scalable distributed systems and microservices\nPractical experience with REST and GraphQL APIs\nStrong understanding of OOP principles, design patterns, algorithms, and data structures\nCommercial experience with React\nHands-on experience working in Linux/Unix environments\nExperience with cloud platforms such as AWS, Google Cloud, or Azure\nFamiliarity with relational and NoSQL databases including HBase, Cassandra, MongoDB, and Redshift\nAbility to work independently and collaboratively in distributed teams\nUpper-Intermediate English level or higher\nWILL BE A PLUS\nExperience with high-load E-commerce platforms\nKnowledge of event-driven architecture patterns\nExperience with performance optimization and observability tools\nFamiliarity with CI/CD pipelines and DevOps practices\nExperience supporting production environments with high availability requirements\n PERSONAL PROFILE\nStrong problem-solving mindset\nOwnership and accountability\nProactive communication skills\nAbility to work in fast-paced environments\nTeam-oriented attitude with collaborative mindset","description_format":"text","description_chars":3753,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Flexible schedule","Professional development"],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["E-commerce Platforms"],"lifecycle":[{"event":"open","at":"2026-09-18T16:14:44Z"}],"liveness":{"score":48,"band":"ok","label":"Likely open","p_open":1,"p_active":0.532,"p_room":0.9,"age_days":13,"expected_fill_days":28,"reasons":["conf:11","agency","velocity","win:mid"],"computed_at":"2026-09-24T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/sigma-software-group-full-stack-developer-python-react","json_url":"https://alion.io/job/sigma-software-group-full-stack-developer-python-react.json","meta":{"generated_at":"2026-09-24T23:31:21Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1660,"day_limit":5000,"remaining_today":3340,"minute_limit":60,"resets_at":"2026-09-25T00:00:00Z"}}}