{"id":2349028,"url":"https://alion.io/job/webellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior","title":"Fullstack Engineer (TypeScript, Node.js, React.js, React Native), Senior","company":{"id":1384,"name":"Webellian","domain":"webellian.com","url":"https://alion.io/company/webellian-sp-z-o-o","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"PeopleForce","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Bitbucket","optional":false},{"name":"Bootstrap","optional":false},{"name":"Docker","optional":false},{"name":"Fastify","optional":false},{"name":"GraphQL","optional":false},{"name":"Jenkins","optional":false},{"name":"Material UI","optional":false},{"name":"Nest.JS","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React Native","optional":false},{"name":"Redux","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"Strapi","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-12T13:23:45Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-13T04:58:40Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About the Webellian\nWebellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy.About the opportunity\nWe are seeking an experienced Senior Full Stack Engineer (Node.js & React, React Native) to join our team and work on exciting projects for our key customers. In this role, you will have the opportunity to interface with our clients and drive the development of their solutions. For instance, you will join the team working on a back-office solution for a global insurance industry leader using Strapi and React.\nAs a software engineer, you will be responsible for delivering high-quality projects by defining technical requirements based on business needs and deploying clean code. You won't need to reinvent the wheel as we value the power of reusing open-source frameworks and solutions.\nTo be successful in this position, you must have at least 5 years of experience in Fullstack development, a deep understanding of Node.js, React and related frameworks, and experience in working collaboratively in a team environment.\nJoin our team, work with us on challenging projects!\nKey responsibilities\nAnalyzing business requirements\nWriting clean, functional code, including unit tests\nWriting technical documentation\nPropose technical improvements to the application\nGrow and nurture your junior colleagues' skills\nSupporting less experienced team members\nCompetenciesMaster’s degree in Software Engineering or related engineering field\nFrontend Technologies: React, React Native, Next.js, Redux, Typescript, Bootstrap, Material UI\nBackend Technologies: Node.js, Nest.js, Fastify, Express\nOther Technologies: AWS, Bitbucket/GIT, Jenkins, PostgreSQL, Docker\nFamiliarity with REST API and GraphQL\nFamiliarity with SQL, NoSQL databases\nDeep understanding of software architecture and development principles\n Fluency in English is a must (min B2, C1 preferred)\nExcellent verbal communication skills are a must\nCan-do attitude\nGreat attention to detail\nIndependence and drive to grow and learn\nWhat we offerContract under Polish law: B2B or Umowa o Pracę\nBenefits such as private medical care, group insurance, Multisport card\nThere are English classes available\n Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów)\nOpportunity to work with excellent professionals\nHigh standards of work and focus on the quality of code\nNew technologies in use\nContinuously learning and growth\nInternational team\n Pinball, PlayStation & much more (on-site )\nJoin a growing team of dedicated professionals!We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply\nPlease include the following statement: I hereby authorize Webellian Poland Sp. z o.o. to the process personal data provided in this document for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation).","description_format":"text","description_chars":3805,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":true}]},"benefits":["Hybrid work"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-12T13:23:45Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":27,"reasons":["conf:0","win:early"],"computed_at":"2026-10-13T05:14:52Z"},"pay":null,"html_url":"https://alion.io/job/webellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior","json_url":"https://alion.io/job/webellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior.json","meta":{"generated_at":"2026-10-13T05:14:52Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8102,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1384},"rest":"https://alion.io/mcp/rest/get_company?id=1384"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwebellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fwebellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fwebellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/webellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwebellian-fullstack-engineer-typescript-node-js-react-js-react-native-senior"}]}