Senior Software Engineer -C++
Builds and owns backend features for Billtrust’s AI-powered B2B AR platform, focusing on high-throughput data ingestion, PDF processing, and scalable services using C++, .NET, Python, and AWS.
- Compensation
- Not disclosed
- Location
- Hyderabad, India
- Work setup
- Not specified
- Seniority
- Senior
- Employment
- Not specified
- Experience
- 3+ years
- Category
- Software engineering
- Posted
Skills
Must have
- Bachelor's degree in Computer Science (or equivalent experience), along with a firm understanding of data structures and scalable software design
- 3+ years of relevant software engineering experience designing and implementing scalable backend software in a product-centric environment
- Strong ability to write production code in C++
- Experience developing on Windows with C++ using Windows development libraries (e.g., Win32 API, MFC, or ATL)
- Strong ability to write code in .NET (C#)
- Strong ability to write code in Python
- Strong understanding of SQL and relational databases, specifically MySQL, including schema design and query optimization for large datasets
- Knowledge of NoSQL data stores, such as MongoDB or DynamoDB
- Experience building data ingestion and processing systems that handle high volumes of data
- Experience with PDF handling—parsing, extraction, generation, or manipulation—using established libraries or custom implementations
- Ability to design and implement REST APIs
- Experience building and deploying software on AWS
- Well-honed skills in source control management using Git or similar
- Demonstrated experience working with AI coding assistants (Claude Code, Windsurf, or similar)
- Strong collaboration and verbal communication skills with ability to work closely with Technical PMs and pod members to gather requirements and refine specification
- Strong code review skills with ability to validate correctness and identify issues in AI- generated and human-written code
Nice to have
- Experience with spec-driven, agentic AI workflows where engineers delegate autonomous tasks to AI tools and provide guidance and oversight
- Experience with performance profiling, memory management, and optimizing throughput for data-intensive workloads
- Experience with message queues or streaming platforms (e.g., Kafka) for ingestion pipelines
- Experience mentoring junior engineers
- Understanding of testable application design principles
- Experience contributing to development process improvements
Full 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 ValuesCustomers
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.
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Software Engineer-C++
The Software Engineer designs solutions and delivers backend features for our product platform using AI tools throughout the development lifecycle. As part of a small, collaborative pod, this position is accountable for features end-to-end—leveraging AI assistance for specification, implementation, quality validation, deployment, and post- deployment support while ensuring quality outcomes at each stage. This is primarily a backend role focused on high-throughput data ingestion, PDF processing, and working with large datasets. The Software Engineer interfaces with Technical PMs and fellow engineers to deliver scalable, performant services with high velocity. This position also helps evolve our Al-assisted development practices and mentors Associate Engineers on effective AI tool usage..
What You’ll Do
- Own specification quality for assigned features - ensure specs are complete, unambiguous, and include acceptance criteria and edge cases