Sr. API Developer - node.js chez Cnx

Job Title:

Sr. API Developer - node.js

Job Description

We're Concentrix. The intelligent transformation partner. Solution-focused. Tech-powered. Intelligence-fueled.

The global technology and services leader that powers the world’s best brands, today and into the future. We’re solution-focused, tech-powered, intelligence-fueled. With unique data and insights, deep industry expertise, and advanced technology solutions, we’re the intelligent transformation partner that powers a world that works, helping companies become refreshingly simple to work, interact, and transact with. We shape new game-changing careers in over 70 countries, attracting the best talent.
The Concentrix Technical Products and Services team is the driving force behind Concentrix’s transformation, data, and technology services. We integrate world-class digital engineering, creativity, and a deep understanding of human behavior to find and unlock value through tech-powered and intelligence-fueled experiences. We combine human-centered design, powerful data, and strong tech to accelerate transformation at scale. You will be surrounded by the best in the world providing market leading technology and insights to modernize and simplify the customer experience. Within our professional services team, you will deliver strategic consulting, design, advisory services, market research, and contact center analytics that deliver insights to improve outcomes and value for our clients. Hence achieving our vision.

Our game-changers around the world have devoted their careers to ensuring every relationship is exceptional. And we’re proud to be recognized with awards such as "World's Best Workplaces," “Best Companies for Career Growth,” and “Best Company Culture,” year after year.

Join us and be part of this journey towards greater opportunities and brighter futures.

Title: Sr API Developer NodeJS

Location: Charlotte, North Carolina

Job Summary:

We are looking for a highly skilled Senior API Developer with expertise in Node.js to design, build, and maintain scalable, secure, and high-performance APIs. The ideal candidate will collaborate with architects, product owners, and cross-functional teams to deliver robust API solutions that power enterprise applications and integrations. This is a remote, work at home opportunity in the US.

Key Responsibilities

• Develop, test, and maintain RESTful and GraphQL APIs using Node.js and modern frameworks (e.g., Express.js, Nest.js).
• Translate business and technical requirements into well-structured, efficient, and reusable code.
• Implement API security (OAuth2, JWT, TLS, API keys) and ensure compliance with enterprise standards.
• Optimize API performance through caching, rate limiting, and scalability best practices.
• Write clean, maintainable code with proper unit tests, integration tests, and documentation.
• Work closely with solution architects to align development with enterprise API strategy and microservices architecture.
• Collaborate with DevOps teams for CI/CD pipeline integration and containerized deployments (Docker, Kubernetes).
• Debug, troubleshoot, and resolve issues across the API lifecycle.
• Mentor junior developers and share best practices in Node.js and API development.
• Stay up to date with industry trends, emerging technologies, and regulatory changes in the FinTech sector.

Required qualifications for this position include:

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 5–7 years of professional software development experience, with at least 3+ years in Node.js API development.
• Strong proficiency in JavaScript/TypeScript.
• Hands-on experience with REST APIs, GraphQL, and asynchronous communication (WebSockets, gRPC).
• Proficiency with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
• Familiarity with API documentation tools (Swagger/OpenAPI, Postman).
• Experience with source control (Git) and agile development practices.
• Strong problem-solving, debugging, and optimization skills.
• Understanding of software engineering principles and processes (e.g., Lean, Agile, DevOps) and continuous improvement through measurement.

Preferred Qualifications For This Position Include

• Demonstrates judgment and flexibility - positively deals with a shifting demand for time, priorities, and the rapid change of environments.
• Takes an ownership approach to engineering and product outcomes.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of API gateways and management platforms (Apigee, Kong, AWS API Gateway, MuleSoft).
• Exposure to event-driven systems (Kafka, RabbitMQ).
• Understanding of DevOps and CI/CD tools (Jenkins, GitHub Actions, GitLab CI).
• Familiarity with monitoring tools (New Relic, Datadog, ELK).

The base salary range for this position is $92,250 - $144,964, plus incentives that align with individual and company performance. Actual salaries will vary based on work location, qualifications, skills, education, experience, and competencies. Benefits available to eligible employees in this role include medical, dental, and vision insurance, comprehensive employee assistance program, 401(k) retirement plan, paid time off and holidays.

At Concentrix, we provide customer experience solutions that may involve handling sensitive data. As part of our hiring process, all candidates must undergo a background check in accordance with applicable law, which will include identity verification and employment eligibility.

The deadline to apply for this position is 09/27/2025

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#LI-remoteCharlotteNC

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Location:

USA, NC, Work-at-Home

Language Requirements:

Time Type:

Full time

Physical & Mental Requirements: While performing the duties of this job, the employee is regularly required to operate a computer, keyboard, telephone, headset, and other office equipment. Work is generally sedentary in nature.

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Concentrix is an equal opportunity and affirmative action (EEO-AA) employer. We promote equal opportunity to all qualified individuals and do not discriminate in any phase of the employment process based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy or related condition, disability, status as a protected veteran, or any other basis protected by law.

For more information regarding your EEO rights as an applicant, please visit the following websites:

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