Backend Software Engineer (Senior/Staff)
WFA Digital Insight
The demand for skilled backend software engineers in the fintech sector has surged, with the global ERP market projected to reach $220 billion by 2025. DualEntry, a fast-growing AI startup, is at the forefront of this trend, seeking a seasoned backend engineer to drive its AI-native ERP system forward. With a strong focus on innovation and a proven track record of growth, this role offers a unique opportunity for engineers to make a significant impact. Candidates should be prepared to demonstrate their expertise in PostgreSQL, SQL, and cloud infrastructure, as well as their ability to work in a fast-paced, high-ownership environment.
Job Description
About the Role
DualEntry is a cutting-edge AI startup revolutionizing the fintech industry with its AI-native ERP system. As a Backend Software Engineer, you will play a critical role in driving the company's product velocity and stability. You will be responsible for owning end-to-end execution for backend systems and infrastructure, building APIs, services, and real-time systems handling complex accounting logic. The ideal candidate will have a strong background in backend engineering, a proven track record in high-growth environments, and excellent problem-solving skills.The role is part of a small, high-performing team with a strong focus on innovation and collaboration. You will work closely with the founders, product, and frontend engineering teams to turn complex workflows into secure, performant systems. The company operates with urgency and ownership, and you will be expected to push for excellence and raise the bar.
What You Will Do
- Own end-to-end execution for backend systems and infrastructure
- Build APIs, services, and real-time systems handling complex accounting logic
- Collaborate with founders, product, and frontend engineering to turn complex workflows into secure, performant systems
- Design, implement, and ship production-ready features at high speed
- Manage data migrations, scaling challenges, external integrations, and end-to-end reliability
- Drive measurable outcomes that accelerate DualEntry's product velocity and stability
- Participate in code reviews and contribute to the improvement of the overall code quality
- Collaborate with the DevOps team to ensure smooth deployment and operation of the backend systems
- Stay up-to-date with industry trends and emerging technologies
- Participate in agile development methodologies and collaborate with cross-functional teams
What We Are Looking For
- 8+ years of experience in backend engineering
- Proven track record in high-growth, high-ownership environments
- Strong skills in PostgreSQL, SQL, ORMs, migrations, and schema design
- Experience with AWS or comparable cloud infrastructure
- Strong API design and testing experience
- Understanding of CI/CD, deployment, and production readiness
- Ability to manage complex systems with evolving requirements
- Fluent English (C1+) with clear communication
- Hardcore work ethic and high agency
- Strong problem-solving skills and attention to detail
- Experience with modern frameworks (FastAPI, Flask, or Django) is a plus
Nice to Have
- Expertise in Python and modern frameworks (FastAPI, Flask, or Django)
- Experience with containerization (Docker) and orchestration (Kubernetes)
- Knowledge of security best practices and experience with security audits
- Familiarity with agile development methodologies and version control systems (Git)
- Experience with monitoring and logging tools (Prometheus, Grafana, ELK Stack)
Benefits and Perks
- Significant equity ownership in one of the top AI companies in the world
- Competitive salary and benefits package
- Opportunity to work with a talented team of engineers and contribute to the development of a cutting-edge AI-native ERP system
- Flexible working hours and remote work options
- Professional development opportunities and access to training and conferences
- Access to the latest technologies and tools
- Recognition and rewards for outstanding performance
- Comprehensive health insurance and retirement plan
How to Stand Out
- Be prepared to demonstrate your expertise in PostgreSQL, SQL, and cloud infrastructure, as well as your ability to work in a fast-paced, high-ownership environment.
- Showcase your problem-solving skills and attention to detail, as these are critical for success in this role.
- Familiarize yourself with modern frameworks (FastAPI, Flask, or Django) and be prepared to discuss your experience with these technologies.
- Highlight your experience with agile development methodologies and version control systems (Git), as these are essential for collaboration and productivity.
- Be prepared to discuss your approach to security and compliance, as well as your experience with security audits and monitoring tools.
- Research the company culture and values, and be prepared to discuss how you can contribute to and thrive in this environment.
- Consider creating a portfolio or repository of your work to demonstrate your skills and experience to potential employers.
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