{"id":1928500,"url":"https://alion.io/job/paystand-senior-fullstack-engineer-4","title":"Senior Fullstack Engineer","company":{"id":20410,"name":"Paystand","domain":"paystand.com","url":"https://alion.io/company/paystand","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":89,"open_postings":11,"ghost_share":0,"stale_share":0.455,"repost_share":0,"time_to_fill_p50_days":45,"computed_at":"2026-10-09T06:01:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Hermosillo, Mexico"],"countries":["MX"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":53000,"max_usd":121000,"period":"year","method":"role_seniority_country_cell","sample_n":14},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bitcoin","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Express","optional":false},{"name":"GCP","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Less","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Sass","optional":false},{"name":"Vue.js","optional":false},{"name":"Apache Kafka","optional":true},{"name":"Ethereum","optional":true},{"name":"RabbitMQ","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-05T18:55:01Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-10T01:26:53Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Paystand is the world's leading blockchain-enabled B2B payments network, transforming commercial finance into a software-driven, zero-fee, and open ecosystem. Recognized as a CNBC/Statista 2026 World's Top Fintech company, Paystand delivers over a decade of on-chain payments experience to middle and large enterprises.\nPaystand's network services more than one million payors that have moved $20+ billion in volume. With its acquisitions of Yaydoo, Teampay and Bitwage, Paystand's full-stack platform includes agentic AI, its USDb stablecoin, and AR/AP solutions on one tightly integrated network. Its non-profit arm, Paystand.org, advances the mission to democratize finance through Bitcoin and blockchain technology.\nWhat We Do\nWe built the financial system we always thought should exist: zero fees, zero friction, just your money, faster. Blockchain automates receivables and payables, cuts time-to-cash, and turns every transaction into revenue instead of cost.\nWhy We Do It\nThe current system takes a cut from the people who build, create, and grow - and calls it the cost of doing business. We don't buy that. Every fee we eliminate compounds into growth. We're here to decentralize finance and hand the power back to the businesses driving the real economy - extended further through Paystand.org's work to democratize finance through Bitcoin and blockchain.\nHow We Do It\nWe don't wait for permission or for the industry to catch up - we build the future of finance ourselves, on-chain, in the open. Small moves now, monumental results later.\nJoin Us\nWe're not looking for people who want a job in fintech. We're looking for people who want to build what comes after it. Paystand is where you help lead a financial revolution instead of just reading about one. We stand on change. Come stand with us.\nRole at a glance:\nAt Paystand, we're seeking a talented Sr. Full-Stack Engineer to play a key role in architecting and implementing user-facing components of our cutting-edge Systems. As a member of our dynamic team, you'll collaborate closely with product owners, designers, and fellow engineers to craft web applications that redefine user interactions.\nKey Responsibilities: \nLead the architecture and implementation of user-facing parts of Paystand’s systems.\nDesign and develop reusable libraries and frameworks that support complex web applications.\nProvide technical leadership and mentorship to other engineers.\nCollaborate with product owners, designers, other engineers, and customer success teams to build the best user experience, ensuring high standards of quality and performance.\nDrive technical innovation and improvements across the development team.\nEnsure best practices in code quality, security, and performance.\nParticipate in and influence all phases of the development lifecycle, including system analysis, design, coding, testing, debugging, and documentation.\nAdvocate for and implement continuous improvement in the development processes and practices.\nRequirements and qualifications: \nExperience: Minimum of 8 years building web, mobile-web, or hybrid mobile applications, demonstrating increasing levels of responsibility and independence.\nTechnical Skills:\nStrong Computer Science and Software Engineering background.\nProven experience in architecting and building highly scalable RESTful web services and APIs.\nAdvanced expertise in Node.js & Express.js.\nProficiency in HTML, CSS, and JavaScript (ES6 and higher).\nIn-depth knowledge of front-end frameworks such as Angular.js (1-4), React, Vue.js, etc.\nExperience with preprocessor stylesheet languages like Sass & Less.\nStrong understanding of software design patterns and principles.\nExperience with cloud platforms and services (e.g., AWS, Azure, GCP).\nProficiency in containerization technologies such as Docker and orchestration tools like Kubernetes.\nSolid understanding of CI/CD pipelines and DevOps practices.\nBonus Skills:\nExpertise in HTML5, JavaScript, and CSS3.\nKnowledge of other web libraries and frameworks (e.g., Polymer, React, etc.).\nDeep understanding of front-end performance optimization strategies (e.g., Caching, CDNs, concatenation, minification, sprites, SVGs, fonts, etc.).\nProficiency in event-driven service architectures.\nExperience with message queueing technologies (e.g., RabbitMQ, SQS, Kafka).\nFamiliarity with front-end build environments (e.g., Grunt, Gulp, etc.).\nOwnership of one or more digital currencies.\nDeployment of one or more Bitcoin, Ethereum, or other crypto network nodes.\nContribution to open-source projects or active involvement in the tech community.\nPerks\nSalary + competitive equity in a high-growth-stage startup.\nGenerous PTO (vacations) and sick days.\nFree snacks and paid lunch in the office.\nMajor Medical Health Insurance.\nFood Vouchers.\nStock Options.\nYour own equipment and tools.\nOpportunity for advancement and growth in a rapidly expanding team.\nMentorship, learning and education programs.\nSmart, high-achievers, motivated team that likes to have fun.\nMission-driven culture, where your work matters.\nIf you're passionate about driving change in the FinTech landscape and being part of a company that is shaping the future of digital payments, we invite you to explore opportunities with Paystand.\nWe understand that no candidate is perfectly qualified for any job. Experience manifests in diverse ways, skills are transferable, and passion is a powerful driver. Your journey and skills are unique, and we value the richness that diverse perspectives bring to our team.\nMore than a resume, we prioritize a genuine commitment, impactful contributions, and the ability to thrive in our dynamic, collaborative environment. We are enthusiastic about providing you with opportunities to learn and grow within this role. If your experience aligns closely with what we're seeking, we encourage you to apply.\nWe celebrate the belief that diversity in backgrounds and thoughts fuels better problem-solving and fosters more creative thinking. Our commitment to adding new perspectives to the team reflects our dedication to innovation and inclusivity.\nYour journey is important to us, and we look forward to the possibility of welcoming you to our team at Paystand. Feel free to reach out; we can't wait to hear from you.\nMost of our roles are onsite. Positions that are eligible for remote or hybrid work arrangements will be clearly indicated in the job posting.\nFor roles based in Mexico, only resumes submitted in English will be considered.#LI-Onsite","description_format":"text","description_chars":6503,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Health insurance","Hybrid work","Stock options"],"hiring_locations":[{"name":"Mexico","iso":"MX","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cryptocurrencies","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-10-05T21:02:59Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.993,"p_room":1,"age_days":3,"expected_fill_days":45,"reasons":["conf:0","wave","velocity","win:early"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/paystand-senior-fullstack-engineer-4","json_url":"https://alion.io/job/paystand-senior-fullstack-engineer-4.json","meta":{"generated_at":"2026-10-10T01:29:24Z","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","counted_by":"address","units_charged":1,"used_today":2695,"day_limit":5000,"remaining_today":2305,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":20410},"rest":"https://alion.io/mcp/rest/get_company?id=20410"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fpaystand-senior-fullstack-engineer-4"},{"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%2Fpaystand-senior-fullstack-engineer-4"},{"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%2Fpaystand-senior-fullstack-engineer-4"},{"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/paystand-senior-fullstack-engineer-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fpaystand-senior-fullstack-engineer-4"}]}