{"id":3369813,"url":"https://alion.io/job/dat-senior-software-engineer-web","title":"Senior Software Engineer (Web)","company":{"id":9174,"name":"Dat","domain":"dat.com","url":"https://alion.io/company/dat","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"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":["Denver, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150545,"max":192000,"currency":"USD","period":"year","gross":null,"usd_annual":192000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"GraphQL","optional":false},{"name":"Next.js","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-28T00:07:48Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-28T19:05:43Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Join DAT as a Senior Software Engineer, Web, in Denver, CO. In this role, you will shape the architecture and quality of our web experience, bridging the gap between engineering and design. You will design, build, and maintain highly performant and accessible website improvements using Next.js and React, while partnering closely with product designers, researchers, and marketing stakeholders. You will also champion quality by testing solutions fully and advocating for web implementation best practices. Enjoy remote/hybrid flexibility, wellness allowance, parental leave, and more.\nMissions\nDesign, build, and maintain highly performant, accessible, and responsive website improvements using Next.js and React.\nPartner closely with product designers, researchers, and marketing stakeholders to translate brand, content, and campaign requirements into polished, production-ready web experiences.\nBuild prototypes to explore design and product concepts, and implement A/B tests to inform and validate data-informed decisions about the web experience.\nProfil recherché\n - This role is ideal for a seasoned engineer who thrives on translating design intent into performant, maintainable code, takes deep ownership of the full web lifecycle, and is energized by delivering high-impact work across our web presence- Exposure to working with RESTful and GraphQL APIs and patterns for integrating complex frontend applications with content services\n- Adaptability to AI-assisted workflows and processes, while also practicing informed discernment on the differences between slop and quality. Appetite to serve as a bridge-builder between design-created prototypes and what’s possible in production codebases\n- Desire to work closely with a team of designers who are passionate about building web experiences that solve real problems for our customers\n- Demonstrated ability to lead technical discussions, influence cross-functional stakeholders, and drive consensus on complex decisions\n- A desire at this point in your career to build, drive change, and assume ownership. You will be one of two engineers crafting the future of our web experience and enjoy autonomy and recognizing opportunities\n- Deep knowledge of Next.js and React, with hands-on experience building on headless CMS architectures\n- Several years of experience in frontend and web development, with a track record of delivering high-quality work. 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