Billtrust
Fintech
SeniorSoftwareEngineer
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“Senior Software Engineer at Billtrust. Skills: AI-powered solutions, AR lifecycle, SaaS products. Own end-to-end specification quality. Lead AI-assisted implementation”
What You'll Achieve.
Deliver scalable SaaS products; Deliver higher-quality outcomes
Industry & Context.
Root cause analysis
What They're Looking For.
Must Have
Bachelor's degree in Computer Science, 5+ years of software engineering experience, Ability to write code in Java, Ability to code/support HTML5, Ability to design and implement REST APIs, Understanding of SQL, Experience with Git, Demonstrated experience with AI coding assistants
Nice to Have
Experience with spec-driven, agentic AI workflows, Knowledge of NoSQL data stores, Knowledge of Elastic, Apache Solr, Experience with AWS, Azure, Understanding of testable application design principles, Experience leading development process improvements, Track record of driving adoption of new tools
What You'll Do.
Own end-to-end specification quality
Lead AI-assisted implementation
Collaborate to translate requirements
Generate implementations from specifications
Review AI-generated code
Validate AI-generated tests
Design performant software
Design and implement REST APIs
Mentor engineers on AI tool usage
Share knowledge and experience
Drive improvements to AI-assisted development
Lead technical decisions
Support and maintain UI services
Support and maintain backend services
How You'll Work.
Team & Collaboration
Collaborative pod; Technical PMs; Fellow engineers; Cross-functional teams
Communication Scope
Verbal communication
Process & Methodology
SaaS development
Full Job Description
Who We Are Finance 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. We’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. Our Values Customers We relentlessly increase value for customer and do the right thing for them. Action We make ‘thoughtfully fast’ decisions, act quickly, cut through red tape, deliver progress not perfection, take ownership and accountability. Team Spirit We put the team ahead of ourselves, foster trust and respect, collaborate with passion, despise toxic politics, value our differences, and celebrate together. Innovation We challenge the status quo, experiment thoughtfully, and are novel and brilliant in what we create. Excellence We 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. The Senior Software Engineer designs solutions and delivers complex features for our product platforms using AI tools throughout the development lifecycle. As a senior member of a small, collaborative pod,this position is a
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