Senior Backend Software Engineer

Sotalent; United States; Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

Fully remote work environment

Flexible PTO (min 25 days)

Home office stipend

Coworking space access

Premium hardware and equipment

Private medical insurance

Professional development support

Job summary

Sotalent is seeking a Senior Backend Software Engineer for its Protection team. You will own the backend architecture, from initial implementation to deployment and long-term monitoring, building critical integrations with major payment providers and fraud prevention platforms.

Remote role within the United States, you will ensure reliability, ship frequent improvements, and contribute to the evolution of engineering practices while working with cross-functional teams in a fully distributed

Qualifications

• Extensive experience owning backend systems across the full lifecycle.
• Strong system design skills for scalable architectures in evolving environments.
• Experience building payment, risk, or fraud prevention related systems.

Responsibilities

• Design and maintain robust backend systems with scalable data models.
• Develop workflows for payment dispute management including evidence collection and tracking.
• Integrate with fraud prevention providers to unify risk management.
• Implement risk signals like velocity rules and device fingerprinting.
• Collaborate with product managers and engineering leadership to solve merchant challenges.
• Ensure reliability and monitoring for high-impact workflows.
• Contribute to engineering practices and tooling evolution.

Skills

Backend system design

Scalable architectures

Payments/risk domain

Code quality & testing

Remote collaboration

Tools

Webhook systems

Job description

Remote United States

A leading global fintech firm that specializes in payment infrastructure and revenue optimization. They are looking for a Senior Backend Software Engineer to join their Protection team. In this role, you will be responsible for designing and scaling the systems that handle fraud prevention, risk automation, and payment dispute management.

This is a high impact position where you will take full ownership of backend architecture, from initial implementation to deployment and long term monitoring. You will build critical integrations with major payment service providers and top tier fraud prevention platforms, ensuring businesses can simplify their operations and safeguard their revenue.

Core Responsibilities

• Design and maintain robust backend systems with a focus on service boundaries and scalable data models.
• Develop automated workflows for payment dispute management including evidence collection and response tracking.
• Build and maintain integrations with major fraud prevention providers such as Riskified and Sift to create a unified risk management experience.
• Implement native risk signals including velocity rules, blocklists, and device fingerprinting.
• Partner with product managers and engineering leadership to turn merchant challenges into technical solutions.
• Ensure high standards of reliability and monitoring for workflows where errors result in direct financial impact.
• Contribute to the evolution of engineering practices, team conventions, and operational tooling.

Candidate Requirements

• Extensive experience owning backend systems throughout the entire software development lifecycle.
• Advanced skills in system design and the ability to build scalable architectures in evolving environments.
• Proven track record of building systems from the ground up and solving ambiguous technical problems.
• A high bar for code quality, testing, and operational excellence.
• Strong communication skills and the ability to collaborate effectively in a fully remote, distributed setting.
• A delivery focused mindset with the ability to ship frequent improvements.
• Prior experience in payments, fintech, risk management, or fraud prevention is highly preferred.
• Familiarity with webhook based event systems or rules engines is a significant plus.
• Willingness to assist with frontend dashboard development when required to complete a product experience.

Compensation and Benefits

• This role offers a fully remote work environment with a culture built on ownership and continuous learning.
• Flexible paid time off with a minimum of 25 days annually.
• Allowances for home office setup and access to coworking spaces.
• High quality hardware and technical equipment provided.
• Private medical insurance coverage.
• Professional development support and a structured onboarding process.