{"id":1035511,"url":"https://alion.io/job/sigma-software-group-principal-software-developer-it-solution-department-2","title":"Principal Software Developer (IT Solution Department)","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":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lviv, Ukraine"],"countries":["UA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":39000,"max_usd":102000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1229},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude Code","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-09-11T12:08:07Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-09-24T21:41:08Z","board_verified":true,"closed_at":null,"days_open":13,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":13},"description":"Join Sigma Software’s IT Solutions Department and help shape the internal platforms and automation solutions that support thousands of daily business operations across the company. We are looking for a Principal level engineer who combines deep technical expertise with strong leadership and communication skills.\nIn this role, you will work in a complex enterprise environment, contributing to scalable Back-end-heavy Full Stack solutions, enterprise integrations, and AI-enabled engineering practices. The position combines hands-on development with architectural decision-making, mentoring, and cross-team collaboration.\nWe at Sigma Software value engineering excellence, continuous improvement, and modern development approaches. You will have the opportunity to influence technical strategy, drive automation initiatives, and help establish responsible AI-assisted development standards across projects.\nCUSTOMER\nThe role is part of Sigma Software’s IT Solutions Department, which is responsible for building and evolving the company’s internal digital ecosystem. The department develops enterprise business applications, automation platforms, integrations, and productivity solutions that improve operational efficiency and employee experience across multiple business domains.\nPROJECT\nThe project focuses on developing and evolving enterprise-scale internal platforms and automation systems used across Sigma Software. The environment includes interconnected services, enterprise integrations, process automation workflows, and AI-assisted engineering practices designed to support operational scalability and business efficiency.\nYou will contribute to architecture design, implementation of scalable Back-end solutions, enterprise integrations, and AI-enabled capabilities while collaborating closely with multiple technical and business teams.\nKey Technologies: JavaScript, Node.js, React.js, REST API, GraphQL, Claude Code, Codex\n Collaborate with stakeholders on solution discovery, technical design, estimations, and delivery planning\nDesign and implement scalable and maintainable software solutions aligned with business and architectural goals\nDevelop production-quality Back-end-focused solutions while contributing across the Full Stack when required\nOwn features end-to-end from technical design to deployment and support\nLead and mentor Middle and Senior engineers through technical guidance and peer reviews\nAct as a key technical point of contact across multiple teams and drive cross-team collaboration\nDesign and implement enterprise integrations, automation workflows, and data processing solutions\nContribute to AI-enabled engineering workflows and product capabilities\nEstablish standards for responsible usage of AI coding assistants within the project\nReview AI-generated code for scalability, maintainability, security risks, and edge cases\nEnsure system reliability, scalability, and performance under growing business demands\nTranslate business requirements into practical technical solutions delivering measurable value\n 7+ years of commercial software engineering experience with a strong Back-end focus\nStrong hands-on experience with JavaScript and Node.js\nExperience with React.js\nSolid experience designing and developing REST API and/or GraphQL solutions\nHands-on experience using AI coding assistants such as Claude Code or Codex in daily development workflows\nStrong understanding of software architecture, design patterns, scalability, integrations, and risk management\nExperience working in enterprise environments with multiple stakeholders and distributed teams\nAbility and willingness to lead technical initiatives and mentor engineers\nStrong communication and stakeholder management skills\nAbility to balance technical and business priorities\nExperience working with incomplete or evolving requirements\nUpper-Intermediate English level or higher\nWILL BE A PLUS\nPrevious formal team leadership experience\nExperience building AI-enabled business solutions\nExperience with enterprise process automation platforms\nExperience defining governance standards for AI-assisted development\nExposure to complex distributed enterprise systems\n PERSONAL PROFILE\nAnalytical mindset with strong systems thinking\nHigh level of ownership and accountability\nProactive and communicative approach\nResult-oriented mindset focused on measurable outcomes\nAbility to work effectively in complex organizational environments\nStrong balance between technical depth and business understanding\nComfortable making decisions in ambiguous situations","description_format":"text","description_chars":4563,"description_truncated":false,"requirements":{"experience_years_min":7,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-18T16:14:44Z"}],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.512,"p_room":0.9,"age_days":12,"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-principal-software-developer-it-solution-department-2","json_url":"https://alion.io/job/sigma-software-group-principal-software-developer-it-solution-department-2.json","meta":{"generated_at":"2026-09-24T22:05:07Z","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":350,"day_limit":5000,"remaining_today":4650,"minute_limit":60,"resets_at":"2026-09-25T00:00:00Z"}}}