{"id":199750,"url":"https://alion.io/job/billtrust-lead-software-engineer","title":"Lead Software Engineer","company":{"id":92844,"name":"Billtrust","domain":"billtrust.com","url":"https://alion.io/company/billtrust","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":78,"open_postings":9,"ghost_share":0,"stale_share":0.889,"repost_share":0,"time_to_fill_p50_days":46,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":157000,"max":208000,"currency":"USD","period":"year","gross":null,"usd_annual":208000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Claude Code","optional":false},{"name":"Cursor","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"MySQL","optional":false},{"name":"Node JS","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"PHP","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Sass","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"AI Agents","optional":true}],"status":"live","first_seen_at":"2026-08-07T15:59:43Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-10-28T14:20:22Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":82},"description":"Who We Are\nFinance leaders choose Billtrust to get paid faster, control costs, and maximize customer satisfaction. As the leader in B2B accounts receivable workflow and payment software, we provide the world’s leading brands with AI-powered solutions across the full AR lifecycle-from invoice presentment and payment processing to cash application and collections. With over 2,600 global customers, more than $1 trillion in invoice dollars processed, and a proprietary network of 13 million buyers, Billtrust delivers business value through deep industry expertise and a culture relentlessly focused on meaningful customer outcomes.\nWe’re an AI-first company, not just in what we build for our customers, but in how we work. Across every function, our teams use AI tools daily to work faster, make better decisions, and deliver higher-quality outcomes. We hire exceptional people, give them cutting-edge AI capabilities, and measure success by the impact they create. If you want to do the best work of your career at the frontier of AI and fintech, Billtrust is the place to do it.\nOur Values\nCustomers\nWe relentlessly increase value for customer and do the right thing for them.\nAction\nWe make ‘thoughtfully fast’ decisions, act quickly, cut through red tape, deliver progress not perfection, take ownership and accountability.\nTeam Spirit\nWe put the team ahead of ourselves, foster trust and respect, collaborate with passion, despise toxic politics, value our differences, and celebrate together.\nInnovation\nWe challenge the status quo, experiment thoughtfully, and are novel and brilliant in what we create.\nExcellence\nWe love to win, but we hate losing even more. We aspire to be the best and take pride in our work. When we fall short, we own it and come back stronger.\nAbout the Role\nThe Lead Software Engineer is a critical role responsible for providing technical leadership within a domain-aligned cohort, guiding engineers in delivering quality, scalable SaaS products. You will leverage AI tools and co-worker agents such as Claude Code to specify, implement, validate, deploy, and support the most complex features end-to-end, focusing your expertise on architectural judgment, specification quality, and mentorship.\nThis position partners closely with the Engineering Manager on cohort health and delivery, interfaces with Product Managers and stakeholders to translate business requirements into technical specifications, and plays a key role in building the cohort’s collective expertise. You’ll drive AI-assisted development practices and standards, mentor engineers across the cohort, and advise on tools and technologies that evolve our development organization.\nWhat You’ll Do\nTechnical Leadership & Specification\nProvide technical leadership within the cohort, guiding engineers in spec-driven, AI-assisted development\nOwn specification quality for the most complex features, ensuring specs are comprehensive, unambiguous, and address all edge cases and non-functional requirements\nCollaborate with the Product Manager and stakeholders to translate business requirements into detailed technical specifications, and explain technical concepts to both technical and non-technical audiences\nOther duties as assigned.\nAI-Assisted Implementation & Quality\nLead AI-assisted implementation for complex features, using AI coding tools such as Claude Code to generate implementations from specifications\nReview AI-generated code and peer contributions for correctness, security, performance, and architectural alignment\nValidate AI-generated tests and ensure comprehensive test coverage for complex scenarios\nDrive AI workflow standards and best practices across your cohort, advise on tools and technologies to evolve our development organization, and share learnings with other cohorts\nSoftware Design, Delivery & Mentorship\nCreate software designs that consider both current and future requirements with a DevOps mindset that will scale as our volumes increase\nDesign and implement REST APIs following established patterns, and support and maintain both UI and backend services within your cohort’s domain\nLead technical decisions and own domain expertise within your cohort\nMentor engineers across the cohort on effective AI tool usage, spec writing techniques, and code review practices\nWhat You’ll Bring\nRequired Skills:\n7+ years of relevant software engineering experience, with at least 2 years designing and implementing enterprise SaaS systems\nBachelor’s degree in Computer Science (or equivalent experience), along with a firm understanding of data structures and scalable software design\nExperience coding enterprise systems at scale, with mastery of C#, C++, PHP, Java, Node.js or a similar high-level language\nProficiency in HTML5, CSS/Sass, Angular, React, TypeScript/JavaScript, and other web technologies, with a strong ability to design and implement REST APIs\nStrong understanding of SQL and relational databases (such as SQL Server or MySQL), and proficiency in multiple persistence technologies such as NoSQL and indexed files\nDemonstrated experience working with AI coding assistants (Claude Code, Codex, Cursor, or similar), including strong code review skills to validate correctness and identify issues in AI-generated and human-written code\nStrong collaboration and communication skills, with a track record of mentoring engineers and translating business requirements into technical specifications alongside Engineering Managers, Product Managers, and cross-functional teams\nWell-honed skills in source control management using Git or similar, and experience with AWS, Azure, or a similar cloud platform\nPreferred Skills:\nExperience with spec-driven, agentic AI workflows where engineers delegate autonomous tasks to AI tools and provide guidance and oversight\nExperience establishing AI development practices or standards across teams\nUnderstanding of testable application design principles\nTrack record of advising on tools and technologies that improved team productivity\nThe expected base salary range for this position is $157,000 - $208,000 annually.\nCompensation may vary depending on several factors, including a candidate’s qualifications, skills, experience, competencies, and geographic location. Some roles may qualify for extra incentives like equity, commissions, or other variable performance-related bonuses. Further details will be provided by our Talent Acquisition team during the interview process.\nWhat You’ll Get\nAt Billtrust, we believe your total rewards should reflect the impact you make. Our benefits package includes comprehensive health coverage, competitive retirement, generous PTO and parental leave, flexible work options, and meaningful investment in your professional development. We’re building something special and we want you to feel supported while doing it.\nAt Billtrust, we value an equitable and inclusive work environment and strive to build and foster diverse teams. Even if your work experience doesn’t align exactly with the position requirements, we’d still love to hear from you. You may just be the right candidate for this or other roles.\nWe are committed to building a team that represents a variety of diverse backgrounds, perspectives, and skills. We are proud to be an equal opportunity workplace that celebrates and supports diversity and inclusion. We make all employment and related decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law.","description_format":"text","description_chars":7568,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Parental leave","Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Billing & Subscription Management","Payment Processing & Gateways","Accounting & Tax Software"],"lifecycle":[{"event":"open","at":"2026-09-04T08:12:25Z"}],"visa":[],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.797,"p_room":0.36,"age_days":81,"expected_fill_days":46,"reasons":["conf:0","velocity","win:tail","crowd:"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":208000,"is_top_pay":true},"html_url":"https://alion.io/job/billtrust-lead-software-engineer","json_url":"https://alion.io/job/billtrust-lead-software-engineer.json","meta":{"generated_at":"2026-10-28T16:41:40Z","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":22672,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":92844},"rest":"https://alion.io/mcp/rest/get_company?id=92844"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbilltrust-lead-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%2Fbilltrust-lead-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%2Fbilltrust-lead-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/billtrust-lead-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbilltrust-lead-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":199750}},{"tool":"search_jobs","arguments":{"company":"billtrust.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":199750},"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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