Remote Senior Software Engineer United States – Join a Fast-Growing Fintech Startup

We’re seeking a Remote Senior Software Engineer to drive innovative fintech solutions from anywhere in the United States. Competitive salary, flexible schedule, and a collaborative culture await. If you thrive on building scalable payment platforms and love solving complex financial challenges, this is your next opportunity.

About the Role

As a Senior Software Engineer at NexGen Payments, you will lead the design and development of next‑generation payment processing systems that serve millions of users worldwide. Working fully remote, you’ll partner with product managers, data scientists, and UI/UX designers to deliver high‑performance APIs, microservices, and cloud‑native applications. Your expertise will directly impact transaction speed, security, and reliability, positioning the company as a leader in the digital finance ecosystem.

Key Responsibilities

Design, develop, and maintain micro‑service architectures using containerization and orchestration technologies. Optimize API latency and throughput for high‑volume transaction processing. Implement robust security measures, including encryption, tokenization, and compliance with PCI‑DSS standards. Mentor junior engineers, conduct code reviews, and champion best practices in testing, CI/CD, and observability. Collaborate across time zones to ensure rapid issue resolution and continuous delivery.

Requirements

We are looking for a seasoned professional with at least 7 years of experience in software engineering, preferably within the fintech or financial services sector. A Bachelor’s degree in Computer Science, Engineering, or a related field is required; advanced degrees are a plus. Proven track record of delivering production‑grade code in languages such as Java, Python, or Go is essential. Deep understanding of cloud platforms (AWS, GCP, or Azure) and infrastructure‑as‑code tools (Terraform, CloudFormation) is a must. Experience with distributed systems, message queues (Kafka, RabbitMQ), and relational databases (PostgreSQL, MySQL) will be highly valued.

Technical Skills

Proficiency in RESTful and GraphQL APIs, event‑driven architectures, and container technologies (Docker, Kubernetes). Strong grasp of software testing frameworks, automated testing pipelines, and performance profiling tools. Familiarity with security best practices, including OWASP recommendations and identity‑and‑access management (IAM) solutions. Excellent problem‑solving abilities, clear communication, and the capacity to thrive in a remote, self‑directed environment.

Benefits

NexGen Payments offers a comprehensive benefits package tailored for remote workers. Enjoy a competitive salary, performance‑based bonuses, and equity participation that aligns your success with company growth. Receive full medical, dental, and vision coverage, plus a 401(k) match. Benefit from flexible work hours, unlimited paid time off, and a generous home‑office stipend. Access to continuous learning programs, conference sponsorships, and internal mentorship initiatives ensures professional advancement without compromising work‑life balance.

Salary Range

$55,000 – $85,000 USD/year

This role is ideal for engineers who are passionate about fintech innovation, value autonomy, and want to contribute to a forward‑thinking organization that rewards creativity and impact. If you are ready to shape the future of digital payments while working from the comfort of your home, apply your expertise and join us in redefining financial services for a global audience.