{"id":3540937,"url":"https://alion.io/job/atlas-senior-software-engineer","title":"Senior Software Engineer","company":{"id":3650,"name":"Atlas","domain":"atlashxm.com","url":"https://alion.io/company/atlas","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":120000,"max_usd":224000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false},{"name":"Vue.js","optional":false},{"name":"Azure","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-10T18:16:43Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-02T13:38:56Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"Atlas HXM is the global workforce platform built on compliance. We help companies determine how to engage each member of their workforce and then execute with accountability built in - direct Employer of Record (EOR), Agent of Record (AOR), payroll, and compliance capabilities backed by a decade of practitioner-led expertise. Recognized as a category Leader by NelsonHall and Everest Group, Atlas HXM builds Human Experience Management into everything we do, guided by our \"For People, by People\" principle.\nThe future of work is borderless, and so are we. Our people are located around the globe - in the U.S., the UK, India, Colombia, China, and beyond. Diversity and belonging are not just values; they are who we are. \nWe are also committed to making a positive impact. Through our Environment, Social, and Governance (ESG) impact initiative, we are addressing our environmental footprint and promoting social responsibility. Our impact program is central to our vision and culture, focusing on employee wellness, diversity, charitable work, and ethical corporate governance.\nPosition Overview\nYou’ll be joining our innovative product team in building a game-changer SaaS platform that empowers global business and HR professionals to manage and pay their global workforce with state-of-the-art technology and a unique, simplified User experience.\nA revolution cannot be done alone, and we need the best and brightest talent to continue our growth into the new modern workplace. We are looking to expand our team by hiring a new Senior Software Engineer (Full Stack) for our Platform Services portfolio, a team player who is ready to make the role their own and bring their own ideas and innovations to the table. Reporting to the Director of Engineering, you will be joining our Atlas HXM Development team and shaping new, innovative solution architecture, helping create clean code, and being involved in designing cloud native features and capabilities. You will get the chance to work on all parts of the application with a team of brilliant minded and outcomes driven people\nKey Responsibilities\nThe Senior Software Engineer is part of an agile scrum team that is composed of cross functional team members with the capability to develop a product end -to-end and the expectation is to collaborate with other Engineers towards the development of platform microservices (C#, Asp.Net Core Web API, SQL, NoSQL) and UI (React Micro frontend/Container).\nParticipate in building the core UI architecture, based on latest ReactJs framework and Micro Frontend pattern. Contribute technically through hands-on feature development, code reviews, technical design documents, debugging operational issues and process streamlining.\nCollaborate with product owners and other business partners to understand and refine requirements that drive innovative cloud native B2B SaaS solution architecture, technology, and tools.\nParticipate in architecture/design discussions and contribute towards the end-to-end journey from inception of the baseline architecture to a customer approved product.\nContribute technically through hands-on feature development, code reviews, technical design documents, debugging operational issues and process streamlining.\nProvide technical support for the users of the Atlas platform.\nPerform proof-of-concept as needed to determine technology solutions.\nIdentify open source and commercial solutions for integration.\n Define solution API's and integration with third party systems.\nParticipate in security and compliance architecture and implementation to ensure solutions comply with corporate and regulatory policies.\nAbout You\nBachelor’s in computer engineering, computer science, or related technical field, or equivalent work experience.\n5+ years of relevant progressive work experience in cloud B2B SaaS solutions development including hands-on coding, modern software architecture, open source, containers, and security.\nProficient in front-end JS frameworks like React JS (Preferred), Angular, Vue.\nProficient in object-oriented programming languages, experience with .NET Core and C#.\nKnowledge of REST, API Design, API Security Framework, API Management, OpenAPI, Apigee,\nExperience working in microservices architecture, cloud native applications, SOA.\nUnderstanding of how to design software to support scalability, responsiveness, security and maintainability, and the ability to reason and articulate the design.\nStrong computer science fundamentals, OOAD, SOLID and Design Patterns.\nFamiliar with Relational Database Development, Modelling, and Performance Optimization.\nFamiliar working in Continuous Deployment Environments, Kubernetes, Docker, Azure DevOps preferred.\nProven track record of developing complex multi-layer client enterprise architecture.\nPrior experience working TDD.\nExperience in HTML, CSS, and JavaScript.\nPassionate about building software of the highest quality. An open mind to learn new things and the curiosity to understand how things work.\nExperience developing software solutions within HRIS, Payroll, Tax or Payment Process companies is desirable.\nWhat We Value\nYou are a self-starter, and self-motivated team player.\nYou are curious by nature and persistent to find the solutions.\nYou can thrive in a fast-paced, agile environment.\nYou have excellent verbal and written communication skills.\nYou have strong fluency in English.\nThis position description may not describe all duties, responsibilities, and skills associated with this position. It is intended to portray the major aspects of the job. Other duties or skills may be required.\nWhat We Offer \nThe opportunity to work with a purpose - simplifying global expansion across borders and cultures\nA diverse and inclusive environment\nCountry-specific benefits\nFlexible PTO\nYour birthday off and a day for you to volunteer and give back to the organization of your choice\nGenerous Parental Leave Program\nGrowth and development opportunities with access to a top learning content provider\nThe opportunity to challenge yourself in a high-performing organization and leave each day knowing you have made an impact.\nAtlas Technology Solutions, Inc. (Atlas HXM) is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind: Atlas HXM is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at Atlas HXM are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, HIV status, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. Atlas HXM will not tolerate discrimination or harassment based on any of these characteristics. Atlas HXM encourages applicants of all ages.\nAtlas HXM will provide accommodation on request throughout the recruitment, selection and assessment process for applicants with disabilities.\nHiring decisions are based upon Atlas HXM’s operating needs, and applicant merit including, but not limited to, qualifications, experience, ability, availability, and location.\nThis role will be subject to a background check under local law after an employment offer has been made. Employment may be subject to results. In addition, references may be requested at the final stage of the process.\n Atlas HXM will only email candidates from an “@atlashxm.com ” email address. Candidates should ignore communications purporting to be from Atlas HXM that originate from any other email address. Atlas HXM will never ask candidates or employees to purchase gift cards or otherwise make payments in connection with applying for a job with Atlas HXM.","description_format":"text","description_chars":8070,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Employer of Record & PEO"],"lifecycle":[{"event":"open","at":"2026-10-30T19:12:59Z"}],"visa":[],"liveness":{"score":27,"band":"fade","label":"Fading","p_open":1,"p_active":0.607,"p_room":0.45,"age_days":52,"expected_fill_days":28,"reasons":["conf:1","win:tail"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/atlas-senior-software-engineer","json_url":"https://alion.io/job/atlas-senior-software-engineer.json","meta":{"generated_at":"2026-11-02T15:25:56Z","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":21370,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":3650},"rest":"https://alion.io/mcp/rest/get_company?id=3650"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fatlas-senior-software-engineer"},{"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%2Fatlas-senior-software-engineer"},{"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%2Fatlas-senior-software-engineer"},{"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/atlas-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fatlas-senior-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3540937}},{"tool":"search_jobs","arguments":{"company":"atlashxm.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3540937},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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