{"id":695911,"url":"https://alion.io/job/wesoftyou-python-developer-ai-focus","title":"Python Developer (AI focus)","company":{"id":689748,"name":"WeSoftYou","domain":"wesoftyou.com","url":"https://alion.io/company/wesoftyou","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kyiv, Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Django REST Framework","optional":false},{"name":"Embeddings","optional":false},{"name":"FastAPI","optional":false},{"name":"LangChain","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false},{"name":"Semantic Search","optional":false},{"name":"Semantic Search","optional":false},{"name":"Django","optional":true}],"status":"live","first_seen_at":"2026-06-29T11:51:30Z","employer_posted_date":"2026-06-29","last_verified_at":"2026-09-28T15:14:32Z","board_verified":true,"closed_at":null,"days_open":91,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":91},"description":"WeSoftYou is an Inc. 5000 US-based product development company delivering software for venture-backed startups and enterprise organizations.\nWeSoftYou creates web and mobile solutions and custom B2B and B2C applications for various industries and business areas, including Healthcare, e-Learning, Retail, Web3, Fintech, and AdTech.\nAbout the Role\nWe are looking for a highly skilled Python Developer to join our engineering team and help build scalable, AI-powered backend solutions. In this role, you will be responsible for designing, developing, and maintaining robust backend services, integrating advanced AI capabilities, and working with modern retrieval and knowledge management systems.\nYou will collaborate closely with product managers, AI engineers, and frontend developers to deliver high-performance applications that leverage Large Language Models (LLMs), external data providers, and intelligent automation workflows.\nResponsibilities\nDesign, develop, and maintain scalable backend services using Python.\n\nBuild and enhance RESTful APIs using Django REST Framework and FastAPI.\n\nIntegrate and optimize AI services, including Large Language Models (LLMs) and third-party model APIs.\n\nDevelop and maintain Retrieval-Augmented Generation (RAG) systems, including vector databases, embedding pipelines, and retrieval mechanisms.\n\nImplement AI orchestration workflows using LangChain and related frameworks.\n\nIntegrate multiple external APIs and data providers into backend systems.\n\nDesign reliable, maintainable, and high-performance system architectures.\n\nParticipate in technical design discussions, code reviews, and architectural decisions.\n\nEnsure software quality through automated testing, CI/CD pipelines, and monitoring practices.\n\nTroubleshoot and resolve production issues while continuously improving system reliability and performance.\n\nRequirements\n3+ years of strong commercial experience with Python.\n\nProven experience with Django REST Framework and FastAPI.\n\nHands-on production experience integrating AI solutions, including LLMs and model APIs.\n\nStrong knowledge of LangChain and Retrieval-Augmented Generation (RAG) architectures.\n\nExperience working with vector databases, embeddings, semantic search, and retrieval systems.\n\nSolid experience integrating multiple third-party APIs and external data sources.\n\nStrong understanding of software architecture and system design principles.\n\nExperience building scalable and reliable backend systems.\n\nKnowledge of CI/CD processes and modern DevOps practices.\n\nExperience with automated testing and application monitoring.\n\nStrong problem-solving skills and ability to work independently.\n\nEnglish proficiency at B2 level or higher - mandatory for daily written and verbal communication with the international team.\n\nWhat we offer:\nProfessional Growth opportunities:\nAmbitious goals and interesting projects;\n\nRegular & transparent performance review and feedback process;\n\nPossibility for both vertical or horizontal growth (in case you want to try a different path).\n\nComfortable Working conditions\nFlexible working hours;\n\nProvision of required equipment;\n\nRemote working model.\n\nBenefits program\n18 paid days off + 2 public holidays;\n\nFree tax reporting support by our Financial department;\n\nHelp with individual entrepreneurs’ questions and accounting support;\n\nFinancial support and additional days off for various occasions (e.g. marriage, childbirth, etc.);","description_format":"text","description_chars":3444,"description_truncated":false,"requirements":{"experience_years_min":3,"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","Growth opportunities"],"hiring_locations":[{"name":"Ukraine","iso":"UA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-11T01:56:52Z"}],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.428,"p_room":0.28,"age_days":90,"expected_fill_days":28,"reasons":["conf:11","win:tail","crowd:"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/wesoftyou-python-developer-ai-focus","json_url":"https://alion.io/job/wesoftyou-python-developer-ai-focus.json","meta":{"generated_at":"2026-09-29T04:19:20Z","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":4071,"day_limit":5000,"remaining_today":929,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}