Senior Backend Engineer

Posted 18 Hours Ago
Be an Early Applicant
Hiring Remotely in USA
Remote
Mid level
eCommerce • Financial Services
The Role
As a Senior Backend Engineer, you will design, build, and maintain high-performance backend services for a FinTech platform focusing on APIs and serverless architecture. You will utilize AWS technologies, implement security best practices, optimize performance, and collaborate with cross-functional teams for continuous improvement.
Summary Generated by Built In


Job Overview

We are seeking a Backend Engineer with deep expertise in serverless architecture, cloud infrastructure, and API development. You will be crucial in designing and maintaining secure, scalable backend services to power our modern FinTech platform. This role demands a strong understanding of TypeScript, AWS serverless technologies, and cloud development best practices.

Key Responsibilities

• API Development: Design, build, and maintain high-performance, secure, and scalable RESTful APIs.
• Serverless Architecture: Develop serverless applications using AWS Lambda, DynamoDB, and API Gateway.
• AI-Enhanced Development: Utilize AI tools such as Cursor, GitHub Copilot, ChatGPT, and other productivity-enhancing technologies to accelerate coding, debugging, and testing.
• Infrastructure as Code (IaC): Use AWS CDK and CloudFormation to define and manage cloud infrastructure in TypeScript.
• Security: Implement and enforce security best practices, including OAuth 2.0, AWS Cognito, KMS encryption, and API security configurations.
• Testing & Quality: Write unit and integration tests using Jest. Ensure code quality through comprehensive testing strategies and mocking AWS SDKs.
• Performance Optimization: Use caching solutions like Redis and implement patterns like rate limiting (P-Queue) and circuit breaker (opossum).
• Documentation: Create detailed API documentation using OpenAPI/Swagger 3.0 and Redocly. Maintain technical documentation in Markdown.
• Monitoring & Logging: Implement structured logging with Winston, monitor APIs with CloudWatch Logs, and track errors with Sentry.
• Collaboration: Work closely with frontend engineers, DevSecOps, and product teams to deliver robust, scalable solutions.
• Continuous Improvement: Stay updated on emerging technologies, frameworks, and AI tools, and advocate for their adoption to enhance development e\iciency and product quality.

Qualifications

• Educational Background: Bachelor’s degree in computer science, Software Engineering, or a related field. Equivalent experience will be considered.

Experience:

  • 3+ years of experience in backend development with a focus on Node.js, TypeScript, and microservices architecture.
  • Hands-on experience using Cursor AI and tools like GitHub Copilot, ChatGPT, or other AI-driven platforms to improve software development processes.
  • Proven experience building applications on AWS serverless architecture, including Lambda, API Gateway, DynamoDB, and related services.
  • Hands-on experience with cloud infrastructure management using AWS CDK or similar tools.
  • Familiarity with designing and maintaining microservices and event-driven architectures.

Skills:

  • Expertise in RESTful API design, development, and documentation.
  • Strong understanding of security principles, including OAuth flows, KMS encryption, CORS, and webhook signature verification
  • Experience with NoSQL databases, including DynamoDB (data modeling, GSIs, encryption at rest).
  • Proficiency with Express.js, Zod for schema validation, and HTTP client libraries like Axios.
  • Familiarity with cloud platforms (AWS, Azure, GCP) and serverless architecture.
  • Familiarity with CI/CD pipelines using GitHub Actions and Git workflows.
  • Knowledge of testing frameworks like Jest for unit and integration testing.
  • Strong problem-solving skills, focusing on clean, maintainable, and efficient code.

Nice to Have

  • Familiarity with message brokers (Kafka, RabbitMQ) and event-driven architecture.
  • Experience with AI model integration and familiarity with MLOps.
  • Familiarity with containerization using Docker and AWS ECS.
  • Certifications in cloud platforms (AWS Certified Developer, Google Cloud Engineer) or related fields.
  • Experience optimizing performance in serverless applications and API integrations.

Preferred Traits

• Problem-solving mindset with a focus on scalable, high-quality development.
• Passionate about leveraging modern cloud technologies to create robust, innovative solutions.
• Passionate about using AI tools to improve development e\iciency and accelerate innovation.
• Excellent communication skills to work in a cross-functional, fast-paced environment.

Why Join Us?

• Be part of a dynamic team building a cutting-edge FinTech platform.
• Work on challenging projects with the latest serverless technologies.
• Enjoy a collaborative culture that values innovation, learning, and growth.
• Competitive salary, benefits, and career advancement opportunities.

Top Skills

Node.js
Typescript
The Company
HQ: New York, NY
49 Employees
On-site Workplace
Year Founded: 2010

What We Do

FE International is an award-winning global M&A advisor of SaaS, e-commerce and content businesses. It has completed acquisitions for thousands of founders, owners and acquirers, and is the preeminent valuation thought leader in the industry. Its team includes experts in exit planning, valuation, accounting, legal and more.

Founded in 2010, FE is known for its extensive network of pre-qualified international investors. With headquarters in New York and regional offices in Miami, San Francisco and London, FE is an international company serving clients worldwide. It was named one of The Americas’ Fastest Growing Companies in 2021 and 2020 by The Financial Times and is also a two-time Inc. 5000 company.

- 94.1% sales success rate
- Over 1,200 successful acquisitions
- $39Bn of capital across an extensive global network of 80,000+ pre-qualified technology investors

Accolades and affiliations:

- Financial Times’ Fastest Growing Companies in the Americas (2020-2022)
- Inc 5000 US (2019-2022)
- Inc 5000 EU (2018)
- IBBA Top Global Producer of the Year (2016)
- IBBA Deal Maker of the Year (2016 & 2015)
- National Association of Certified Valuators and Analysts accredited (NACVA)
- BBB A+ Rating

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