Senior Founding Engineer

About This Role
As a Founding Engineer at Zenskar, you'll join our engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reportingdirectly impacting how businesses manage their revenue operations.

This role is perfect for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems need creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.

Key Responsibilities

• Build core platform features : Develop robust APIs, services, and integrations that power Zenskar's billing automation and revenue recognition capabilities
• Work across the full stack : Contribute to both backend services and frontend interfaces, ensuring seamless user experiences
• Implement critical integrations : Connect Zenskar with external systems including CRMs, data warehouses, ERPs, and payment processors
• Optimize for scale : Build systems that handle complex pricing models, high-volume usage data, and real-time financial calculations
• Drive quality and best practices : Write clean, maintainable code while participating in code reviews and architectural discussions
• Solve complex problems : Debug issues across the stack and work closely with teams to address evolving client needs

The Impact You'll Make

• Power business growth : Your code will directly enable billing and revenue operations for fast-growing B2B companies, helping them scale without operational bottlenecks
• Build critical financial infrastructure : Contribute to systems handling millions in transactions while ensuring accurate, compliant revenue recognition
• Shape product direction : Join during our scaling phase where your contributions immediately impact product evolution and customer success
• Accelerate your expertise : Gain deep knowledge in financial systems, B2B SaaS operations, and enterprise software while working with industry veterans
• Drive the future of B2B commerce : Help create infrastructure powering next-generation pricing models from usage-based to value-based billing

Key Qualifications
Technical Foundation :

• 4-6 years of software development experience or strong project background
• Experience in at least one backend programming language such as Python, Java, Go and an understanding of language-specific frameworks and libraries
• Experience with backend frameworks such as FastAPI (Python), Spring (Java), Express ( ), or Django (Python). Knowledge of relevant libraries and tools within the chosen framework
• Understanding of web development fundamentals : APIs, databases, and frontend technologies
• Strong understanding of data structures and algorithms
• Familiarity with Git and collaborative development workflows
• Strong understanding of databases (SQL and NoSQL) and efficient data modeling
• Cloud platform experience (AWS, GCP, Azure) is a plus

What Drives You

• Self-directed and motivated : Ability to work independently, take ownership, and drive tasks to completion
• Analytical problem-solver : Strong logical thinking skills to break down complex problems and design effective solutions
• Thrives in ambiguity : Comfortable working with evolving requirements, and fast-changing priorities
• Detail-oriented : Meticulous attention to accuracyessential for financial systems
• Adaptable learner : Eagerness to quickly pick up new technologies, business concepts, and domain knowledge

Nice To Have

• Experience with financial systems, billing platforms, or fintech applications
• Knowledge of SaaS business models and compliance frameworks
• API design and integration experience
• Prior experience working at a startup
• Not taking yourself too seriously : Competitive : Remote

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