{"id":143264,"url":"https://alion.io/job/everfox-software-engineer-iii-2","title":"AI Engineer","company":{"id":52290,"name":"Everfox","domain":"everfox.com","url":"https://alion.io/company/everfox","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":96,"open_postings":6,"ghost_share":0,"stale_share":0.167,"repost_share":0,"time_to_fill_p50_days":29,"computed_at":"2026-10-21T05:46:15Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":70000,"max":110000,"currency":"GBP","period":"year","gross":null,"usd_annual":146624},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"Docker","optional":true},{"name":"Function Calling","optional":true},{"name":"GitLab","optional":true},{"name":"LLM","optional":true},{"name":"Python","optional":true},{"name":"RAG","optional":true},{"name":"Tool Use","optional":true}],"status":"live","first_seen_at":"2026-08-13T00:00:00Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-21T02:52:38Z","board_verified":true,"closed_at":null,"days_open":69,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":69},"description":"Trusted Connectivity for AI-Powered Dominance.\nEverfox delivers trusted connectivity to protect the world’s most critical environments and safeguard the sensitive data powering decision advantage.\nBuilt for mission-critical operations, Everfox protects what matters most by securing how data moves, how users access it, and how threats are neutralized across every domain. We enable mission speed and secure collaboration across networks, domains, and allies, while ensuring the data powering AI and advanced analytics remains trusted and protected.\nWe don’t just defend systems; we deliver decision dominance.\nOur Purpose. Protect what matters most by enabling organizations to operate security in the most complex and high-risk digital environments.\nOur Vision. To be the most trusted authority in high-assurance cybersecurity, enabling secure collaboration across every domain.\nOur Belief. Security should never limit mission success - it should enable it.\nOur Promise. We deliver absolute confidence in environments where failure is not an option.\nEverfox is seeking a versatile AI Software Engineer who thrives in unfamiliar codebases, learns quickly, and improves systems across diverse, fast-moving projects. You’ll build AI-driven features, enhance engineering workflows using modern AI tools, and work across multiple teams to deliver high-quality, maintainable software.\nLocation: Hybrid - London, UK\nKey responsibilities:\nImplement, and maintain features across varied languages, frameworks, and internal codebases.\n\nAdd AI capabilities to products: model/API integration, prompt and context design, retrieval, orchestration, and the surrounding infrastructure.\n\nBuild evaluation, automated testing, and guardrails to ensure AI behavior is measurable and stable.\n\nUse and extend AI tooling and agentic workflows to improve development speed, test coverage, documentation, and reduce manual effort.\n\nPrototype quickly to de-risk ambiguous or complex problems.\n\nRamp up fast in unfamiliar systems-map key components, ask good questions, and contribute early.\n\nWork as a guest engineer in other teams’ codebases, aligning on scope, following conventions, and delivering clean, maintainable handovers.\n\nShare knowledge, patterns, reusable tooling, and guidance to improve engineering practices across the organization.\n\nUphold high standards for quality, security, logging, testing, failure-mode thinking, and responsible AI data handling.\n\nContribute to CI/CD, automation, and developer tools where they accelerate project delivery.\n\nKey Knowledge & Skills:\nDegree in Computer Science or related field, or equivalent practical experience.\n\n4 years plus professional software development experience and a record of shipping reliable software.\n\nExperience with agentic coding tools (e.g., Claude Code, Codex) and building custom extensions.\n\nStrong in at least one programming language and ability to become productive in others quickly.\n\nSolid understanding of CS fundamentals: data structures, algorithms, concurrency, networking, APIs, testing, and basic security.\n\nAble to read unfamiliar code, build a working mental model of it, and reason about the impact of your changes.\n\nClear communicator who collaborates well and works effectively with partner teams.\n\nSelf-motivated, adaptable, and comfortable diving into challenging, ambiguous projects with support.\n\nIf needed capable and willing to obtain Government Security Clearance\n\nNice to Have:\nAI/LLM integration experience (APIs, RAG, tool calling, agent frameworks, hosted or local inference).\n\nBackground improving legacy systems through testing, refactoring, and reducing technical debt.\n\nBreadth across desktop, mobile, backend, or systems software.\n\nCI/CD experience (GitLab, Docker) and Python for automation.\n\nExperience or interest in security-sensitive environments.\n\nAwareness of usability and user experience.\n\nEmpathy, clear communication, and ability to disagree constructively.\n\nA reasonable estimate of the base salary range for this role is:\n£70,000.00-110,000.00 GBPThe actual salary offered may vary within the range based on a candidates' unique experience, locale, and business needs. In addition to base salary and either bonus or commission, Everfox offers a generous benefits package including competitive annual leave, pension match, PMI, dental, health cash plan, income protection, in a hybrid work environment. Our Talent Acquisition team will provide specific information regarding salary and benefits offerings.\n________________________________________________________________\nDon’t meet every single qualification? Studies show people are hesitant to apply if they don’t meet all requirements listed in a job posting. If there is something slightly different about your previous experience, but it otherwise aligns and you’re excited about this role, we encourage you to apply. You could be a great candidate for this or other roles on our team.\nEverfox is an equal employment opportunity employer and complies with all applicable federal, state, and local laws prohibiting discrimination. Everfox does not discriminate against any employee or applicant based on race, color, religion, sex, age, national origin, disability, veteran status, marital status, medical condition, or any other category protected by applicable law. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access the Company’s career webpage as a result of your disability. You may request reasonable accommodations by sending an email to .\nApplicants must have the right to work in the location to which you have applied.\n#LI-DO1","description_format":"text","description_chars":5745,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","National Security","Information Security"],"lifecycle":[{"event":"open","at":"2026-08-13T00:00:00Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.324,"p_room":0.28,"age_days":69,"expected_fill_days":29,"reasons":["conf:2","urgency","velocity","win:tail","crowd:"],"computed_at":"2026-10-21T05:46:15Z"},"pay":{"stated_usd_annual":146624,"is_top_pay":false},"html_url":"https://alion.io/job/everfox-software-engineer-iii-2","json_url":"https://alion.io/job/everfox-software-engineer-iii-2.json","meta":{"generated_at":"2026-10-21T09:24:02Z","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":13248,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"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":52290},"rest":"https://alion.io/mcp/rest/get_company?id=52290"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Feverfox-software-engineer-iii-2"},{"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%2Feverfox-software-engineer-iii-2"},{"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%2Feverfox-software-engineer-iii-2"},{"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/everfox-software-engineer-iii-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Feverfox-software-engineer-iii-2"}]}