{"id":2915115,"url":"https://alion.io/job/arq-senior-software-engineer-platform","title":"Senior Software Engineer | Platform","company":{"id":450345,"name":"ARQ","domain":"arqfinance.com","url":"https://alion.io/company/arq-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":80,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":null,"salary_estimate":{"min_usd":92000,"max_usd":180000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":130},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"Datadog","optional":false},{"name":"GitOps","optional":false},{"name":"Go","optional":false},{"name":"Grafana","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Prometheus","optional":false},{"name":"Pulumi","optional":false},{"name":"Rust","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false},{"name":"ArgoCD","optional":true}],"status":"live","first_seen_at":"2026-10-20T10:03:20Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-22T07:32:24Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About ARQ\nARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges, global impact, and the chance to grow fast with a world-class team, ARQ is the place to do it.\nWhat we're looking for\nWe’re looking for a world-class, hands-on Senior Software Engineer to join our Platform team who takes a software engineer’s approach to architecting and building engineering infrastructure.\nOur engineering culture is focused on fully type-safe, declarative & testable infrastructure as code and we’re looking for like-minded engineers who also value these properties to join us.\nThe ideal candidate will have a raw passion for programming, a broad knowledge base and the ability to dig deeply into any technical area required to enable our product engineering team to deliver the best product on the market for managing modern finances.\nWe architect extreme-quality, automated systems to orchestrate hundreds of backend services & databases across tens of kubernetes clusters, tens of thousands of data processing jobs and tens of thousands of CI/CD builds per week - if that excites you, we want to talk to you.\nWhat you'll be doing\nThe design and implementation of the secure, highly-available infrastructure layer that powers a modern, high-growth, financial services company.\n\nEnsure our product engineering organisation can spin up new infrastructure in an unimpeded and rapid manner, through the careful design and implementation of shared IaC libraries, cli tools and codebase patterns.\n\nProblem-solve, analyse and debug infrastructure issues & opportunities with members of the wider engineering team.\n\nStrategise & execute on the rollout techniques for making sweeping infrastructure changes as we constantly integrate new best practices & security improvements into our setup.\n\nOrchestrate multi-region infrastructure and deployments to meet security, availability and compliance requirements.\n\nBuild, maintain & optimise high-volume CI infrastructure, along with reusable pipeline templates suitable for a microservices architecture.\n\nImplement GitOps workflows for declarative application deployments.\n\nImprove application monitoring and alerting with Datadog, Prometheus, and Grafana.\n\nWhat you'll need\nRequired Experience\nSoftware Engineering Foundation: Strong background in full-cycle software development. You should be as comfortable building a customer-facing API as you are provisioning a Kubernetes cluster.\n\nSystem Design: Experience driving the architecture and implementation of large-scale, distributed production systems.\n\nStrong Programming Skills: Fluent in at least one modern typed language (e.g., TypeScript, Go, Rust, or Java). We write code, not just config.\n\nModern Infrastructure Stack: Hands-on experience with Kubernetes, CI/CD, and sophisticated IaC (Pulumi, Terraform, or CDK).\n\nSecurity Mindset: Deep understanding of modern cyber-security attack vectors and how to bake \"secure-by-default\" patterns into the platform.\n\nNice to Have\nTypeScript Fluency: Experience with TypeScript and systems to ensure infrastructure safety.\n\nFintech Expertise: Experience working within regulated environments or high-compliance industries.\n\nData Infrastructure: Familiarity with scaling data engineering pipelines and distributed databases.\n\nGitOps: Experience with ArgoCD or Flux for declarative, state-driven deployments.\n\nWhat We Value\nSystems thinking - understanding how distributed systems work end-to-end\n\nProblem-solving - methodical debugging of complex infrastructure issues\n\nCollaboration - working with engineering teams to understand their needs\n\nDocumentation - clear runbooks, technical documentation, and knowledge sharing\n\nPragmatism - balancing technical excellence with practical delivery\n\nBenefits\nCompetitive salary and benefits\n\nStock options, so you own part of what you build\n\nDiscretionary performance bonus\n\nThe latest tools and technology\n\nA world-class team that will challenge and grow your skills\n\nThe opportunity to help build the best fintech app in Latin America\n\nOffice Policy: 3-4 days a week in-office","description_format":"text","description_chars":4337,"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":["Stock options"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Stablecoins","Digital Banks & Neobanks","Currency Exchange & FX Payments"],"lifecycle":[{"event":"open","at":"2026-10-20T10:30:55Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":14,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/arq-senior-software-engineer-platform","json_url":"https://alion.io/job/arq-senior-software-engineer-platform.json","meta":{"generated_at":"2026-10-22T09:43:54Z","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":6627,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":450345},"rest":"https://alion.io/mcp/rest/get_company?id=450345"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farq-senior-software-engineer-platform"},{"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%2Farq-senior-software-engineer-platform"},{"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%2Farq-senior-software-engineer-platform"},{"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/arq-senior-software-engineer-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farq-senior-software-engineer-platform"}]}