{"id":3096862,"url":"https://alion.io/job/publicis-groupe-full-stack-developer","title":"Full Stack Developer","company":{"id":46462,"name":"Publicis Groupe","domain":"publicisgroupe.com","url":"https://alion.io/company/publicisgroupe","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":27,"ghost_share":0,"stale_share":0,"repost_share":0.037,"time_to_fill_p50_days":10,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chicago, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":73500,"max":136500,"currency":"USD","period":"year","gross":null,"usd_annual":136500},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Bash","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"MySQL","optional":false},{"name":"Nest.JS","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Structured Outputs","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-22T16:23:35Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-23T19:10:34Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Company Description\nSee how Epsilon powers connected marketing by unlocking the full potential of data and identity.\nOverview\nAs a Full Stack Developer on the Automation & Infrastructure team, you’ll build and support internalapplications and integrations that automate workflows and help operational teams work more efficiently. You’ll work directly with internal users and project teams to understand their workflows and turn requirements into practical software solutions.\nIn this mid-level role, you’ll independently own clearly scoped features and improvements through development, testing, deployment, and ongoing support, collaborating with senior engineers on broader architecture decisions.\nResponsibilities\nWhat You’ll Achieve\nBuild and maintain usable, accessible web applications using TypeScript and modern frontend frameworks.\nDevelop secure, well-structured APIs and backend services using Node.js and frameworks such as NestJS or Express.\nWrite clean, maintainable code and automated tests appropriate to the change.\nParticipate in code reviews and contribute to shared development practices.\nTroubleshoot application and integration issues using logs, monitoring, and other diagnostic tools.\nWork with internal users to clarify requirements, validate workflows, and improve existing applications.\nContribute to AI-enabled application features and workflow automation where appropriate.\nQualifications\nWho You Are\nBachelor’s degree in Computer Science or a related field, or equivalent practical experience.\n2+ years of professional software development experience, including experience delivering and supporting production applications.\nStrong proficiency in TypeScript and experience with Angular or another modern frontend framework.\nExperience building backend applications and APIs with Node.js and frameworks such as NestJS or Express.\nExperience building data-driven web applications and integrating with internal or external APIs.\nWorking knowledge of relational databases and SQL, such as PostgreSQL or MySQL.\nExperience writing automated tests and troubleshooting application issues.\nProficiency with Git and collaborative development workflows.\nExperience developing or supporting applications in Linux-based environments.\nAbility to break work into manageable increments, communicate progress and dependencies, and raise blockers or priority conflicts early.\nAbility to clarify requirements with technical and non-technical partners and explain technical decisions clearly.\nWhy you might stand out from other talent:\nExperience with Docker and containerized application deployments.\nExperience with CI/CD pipelines and modern DevOps practices.\nExperience with scripting languages such as Python or Bash.\nExperience integrating AI services or APIs into applications, including handling structured outputs, validation, and failure cases.\nExperience building internal applications, workflow automation, or integrations that replace manual operational processes.\nAdditional Information\nWhen you join Epsilon, we’ll create something EPIC together. We’re a global leader in data and identity, with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services. Positioned at the center of Publicis Groupe, Epsilon helps brands deliver personalized experiences at scale and build lasting customer relationships by unlocking the full potential of data and identity. Epsilon operates in 30+ countries across EMEA, the Americas and APAC, with more than 8,000 employees.\nCheck out a few of these resources to learn more about what makes Epsilon so EPIC:\nOur Culture: https://www.epsilon.com/us/about-us/our-culture-epsilon\nLife at Epsilon: https://www.epsilon.com/us/about-us/epic-blog\nEpsilon has five values that define our culture and guide us as we create value for our clients, our people and consumers. We seek candidates who align with our company values, demonstrate them and make them meaningful in their day-to-day work:\nAct with integrity. We are transparent and have the courage to do the right thing.\nWork together to win together. We believe collaboration is the catalyst that unlocks our full potential.\nInnovate with purpose. We shape the market with big ideas that drive big outcomes.\nRespect all voices. We embrace differences and foster a culture of connection and belonging.\nEmpower with accountability. We trust each other to own and deliver on common goals.\nBecause You Matter\nAs an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first. Our benefits encompass a wide range of offerings, including but not limited to:\nTime to recharge: Flexible time off (FTO), 14 paid holidays, paid sick time\nFamily well-being: Parental/new child leave, childcare & elder care assistance, adoption assistance\nExtra perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling\nEpsilon benefits are subject to eligibility requirements and other terms.\nEpsilon is an Equal Opportunity Employer. Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants who need accommodations to complete the application process. Please reach out to  to request an accommodation.\nFor San Francisco Bay and Los Angeles Areas: Epsilon will consider qualified applicants with criminal histories for employment in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.\nCompensation Range: USD $73,500.00 - USD $136,500.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. 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