Backend Engineer

Company overview

Avantos is building the industry’s first AI-native operating system for financial services, redefining how firms onboard clients, deliver advice, and manage core servicing workflows. Our platform unifies fragmented data, automates complex processes, and embeds intelligent decision-making across every step of the client lifecycle.

We partner with leading financial institutions and are scaling rapidly. We’re an execution-driven, design-obsessed, product-led team composed of founders and leaders from Wharton, MIT, top design programs, and prior unicorn SaaS companies. We move fast, solve deep industry problems, and build technology that puts users back in control of their workflows.

If you love client impact, product design, complex problem solving, and bringing AI-enabled change to real-world businesses, Avantos is where you will thrive.

Job summary

Avantos is seeking a Backend Engineer to join our team in building the Avantos web application from the ground up.

• Design, develop, and maintain scalable and efficient backend services using Golang and Python
• Collaborate with cross-functional teams to define, design, and ship new features
• Implement and optimize database schemas, queries, and data models using PostgreSQL
• Work with event-driven architectures and message queues, particularly Kafka
• Participate in code reviews and contribute to improving our development practices
• Manage and optimize our AWS cloud infrastructure
• Troubleshoot, debug, and fix production issues
• Write clean, maintainable, and well-documented code
• Contribute to the continuous improvement of our development and deployment processes

Your skills will include

• 3-5 years of experience in backend development
• Strong proficiency in Golang and / or Python
• Experience with AWS services and cloud architecture
• Solid understanding of relational databases, particularly PostgreSQL
• Excellent problem-solving and analytical skills
• Strong written communication skills

Nice to haves

• Familiarity with event-driven architectures and message queues (Kafka)
• Experience with containerization and orchestration (Docker, Kubernetes)
• Knowledge of CI/CD practices and tools (ArgoCD)
• Experience with infrastructure as code tools (Terraform)
• Experience in the financial services industry
• Familiarity with microservices architecture
• Knowledge of security best practices in cloud environments
• Experience with monitoring and logging tools