{"id":3148367,"url":"https://alion.io/job/pexa-principal-software-engineer","title":"Principal Software Engineer","company":{"id":49877,"name":"PEXA","domain":"pexa.com.au","url":"https://alion.io/company/pexa","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Leeds, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":120000,"currency":"GBP","period":"year","gross":null,"usd_annual":160539},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Claude","optional":false},{"name":"Cline","optional":false},{"name":"Context Engineering","optional":false},{"name":"Copilot","optional":false},{"name":"Kotlin","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"Anthropic","optional":true},{"name":"Hugging Face","optional":true},{"name":"JavaScript","optional":true},{"name":"LangChain","optional":true},{"name":"LangGraph","optional":true},{"name":"LiteLLM","optional":true},{"name":"Platform Engineering","optional":true},{"name":"Pydantic AI","optional":true}],"status":"live","first_seen_at":"2025-12-31T08:59:58Z","employer_posted_date":"2025-12-31","last_verified_at":"2026-10-26T15:27:18Z","board_verified":true,"closed_at":null,"days_open":299,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":298},"description":"What You'll Be Doing\nTechnical Strategy & Architecture\nDefine and execute engineering strategy across multiple teams and domains.\nDrive architectural decisions that balance business priorities, scalability, security and long-term sustainability.\nDesign solutions that support future growth and evolving customer needs.\nIdentify and address technical risks across the organisation.\nEngineering Excellence\nEstablish and evolve engineering standards, best practices and quality frameworks.\nDrive improvements in performance, reliability, security and developer productivity.\nChampion modern software engineering principles and continuous improvement.\nSupport the evolution of platform, infrastructure and service architecture.\nAI & Emerging Technology\nLead the evaluation and adoption of emerging technologies and AI capabilities.\nDrive the integration of AI tools and practices that enhance engineering effectiveness.\nExplore and implement modern AI-powered development workflows, coding assistants and agentic systems.\nHelp shape PEXA's approach to AI innovation and organisational adoption.\nLeadership & Mentorship\nMentor and coach engineers across all levels, from emerging talent to senior technical leaders.\nFoster a culture of technical excellence, curiosity and continuous learning.\nLead technical discussions, knowledge-sharing initiatives and engineering communities of practice.\nContribute to hiring and technical assessment processes.\nCollaboration & Business Impact\nPartner with Product, Design and Business leaders to align technical strategy with organisational goals.\nTranslate business objectives into technical roadmaps and engineering outcomes.\nInfluence decision-making at executive level through clear communication and technical insight.\nRepresent PEXA externally within the technology community and industry forums.\nAbout You\nYou're a highly experienced technologist who combines deep technical expertise with strategic thinking and business acumen.\nYou thrive on solving complex problems at scale, influencing engineering direction, and helping others grow.\nYou'll bring:\nSignificant experience designing and delivering large-scale distributed systems.\nA track record of defining technical strategy and driving organisation-wide engineering outcomes.\nStrong experience working across multiple teams, platforms and stakeholders.\nProven ability to balance technical excellence with commercial priorities.\nExceptional communication skills and the ability to influence at all levels of the organisation.\nTechnical Expertise\nYou'll bring deep expertise across modern software engineering practices and technologies, including:\nNode.js, Python and Kotlin\nModern frontend technologies\nCloud platforms such as AWS and Azure\nMicroservices and distributed architectures\nContainerisation and cloud-native development\nSecurity architecture and secure software development practices\nPerformance, scalability and reliability engineering\nYou'll also have a strong interest in the rapidly evolving AI landscape, including:\nAI-assisted software development tools such as GitHub Copilot, Claude, Cline and Amazon Q\nAgentic AI frameworks and orchestration platforms\nModern approaches to context engineering and AI-enhanced developer productivity\nEvaluating and adopting emerging AI technologies within engineering organisations\nNice to Have\nExperience within financial services, property technology or other regulated industries.\nExposure to DevSecOps, Site Reliability Engineering (SRE) or Platform Engineering environments.\nKnowledge of AI frameworks and technologies including Anthropic Claude, LangGraph, Hugging Face, LiteLLM or Pydantic AI.","description_format":"text","description_chars":3648,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[{"name":"United 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