Node.js & Cloud Microservices Engineer with GraphQL and API Security

20 Minutes ago • 7 Years +
Cyber Security

Job Description

Synechron is seeking an experienced and highly skilled Senior Node.js Developer to design, develop, and optimize scalable, high-availability APIs and microservices. This role is vital for building resilient server-side solutions supporting core business functions within banking, financial services, or fintech environments. The ideal candidate will leverage their expertise to enhance system performance, ensure security compliance, and contribute to innovative distributed service ecosystems aligned with enterprise agility and modern technology standards.
Good To Have:
  • Experience with additional languages like Python or C#.
  • Knowledge of OpenAPI specifications and API management tools.
  • Experience in banking, fintech, or enterprise environments.
Must Have:
  • Architect, develop, and maintain scalable, resilient, and secure server-side APIs and microservices.
  • Implement performance tuning, debugging, and monitoring techniques to optimize system throughput and reliability.
  • Collaborate with cross-functional teams to define detailed technical requirements, ensuring solutions meet business needs.
  • Drive API security, including token-based authentication, OAuth, and best security practices.
  • Manage containerized environments and streamline deployment pipelines leveraging CI/CD best practices.
  • Troubleshoot and resolve issues in distributed services ecosystems, ensuring minimal downtime.
  • Contribute to architecture reviews, technical documentation, and code quality standards.
  • Advanced proficiency in Node.js with extensive experience in developing RESTful APIs.
  • Strong knowledge of TypeScript (minimum 1-year hands-on experience).
  • Practical experience with GraphQL for API design and data querying.
  • Expertise with CI/CD pipelines, automation, troubleshooting in distributed systems environments.
  • Knowledge of containerization technologies such as Docker and container orchestration with Kubernetes.
  • Solid understanding of authentication protocols such as OAuth, JWT, and Single Sign-On (SSO) implementations.
  • Experience working with message queues and event streaming platforms, including Kafka, AWS SNS/SQS, Pushpin, or Azure Service Bus.
  • Familiarity with cloud services (preferably AWS), including EC2, Lambda, S3, Secrets Manager, KMS, and IAM policies.

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Job Summary

Synechron is seeking an experienced and highly skilled Senior Node.js Developer to design, develop, and optimize scalable, high-availability APIs and microservices. This role is vital for building resilient server-side solutions supporting core business functions within banking, financial services, or fintech environments. The ideal candidate will leverage their expertise to enhance system performance, ensure security compliance, and contribute to innovative distributed service ecosystems aligned with enterprise agility and modern technology standards.

Software Requirements

Required Skills:

  • Advanced proficiency in Node.js (certified experience with recent versions) with extensive experience in developing RESTful APIs that are scalable and highly available
  • Strong knowledge of TypeScript (minimum 1-year hands-on experience)
  • Practical experience with GraphQL for API design and data querying
  • Expertise with CI/CD pipelines, automation, troubleshooting in distributed systems environments
  • Knowledge of containerization technologies such as Docker and container orchestration with Kubernetes
  • Experience with API Gateway integrations (e.g., 3Scale beneficial)
  • Solid understanding of authentication protocols such as OAuth, JWT, and Single Sign-On (SSO) implementations
  • Experience working with message queues and event streaming platforms, including Kafka, AWS SNS/SQS, Pushpin, or Azure Service Bus
  • Familiarity with cloud services (preferably AWS), including EC2, Lambda, S3, Secrets Manager, KMS, and IAM policies

Preferred Skills:

  • Experience with additional languages like Python or C# is a plus
  • Knowledge of OpenAPI specifications and API management tools

Overall Responsibilities

  • Architect, develop, and maintain scalable, resilient, and secure server-side APIs and microservices
  • Implement performance tuning, debugging, and monitoring techniques to optimize system throughput and reliability
  • Collaborate with cross-functional teams to define detailed technical requirements, ensuring solutions meet business needs
  • Drive API security, including token-based authentication, OAuth, and best security practices
  • Manage containerized environments and streamline deployment pipelines leveraging CI/CD best practices
  • Troubleshoot and resolve issues in distributed services ecosystems, ensuring minimal downtime
  • Contribute to architecture reviews, technical documentation, and code quality standards
  • Stay updated on emerging technology trends and incorporate relevant solutions to improve processes and system capabilities

Technical Skills (By Category)

Programming Languages:

  • Required: Node.js, TypeScript (minimum 1-year experience)
  • Preferred: JavaScript (ES6+), Python, C#

Databases/Data Management:

  • Relational databases (PostgreSQL, MySQL)
  • NoSQL databases (MongoDB, Redis)

Cloud Technologies:

  • Preferred: AWS services including EC2, Lambda, S3, Secrets Manager, KMS, IAM, CloudFormation

Frameworks and Libraries:

  • Node.js frameworks (Express.js, NestJS)
  • GraphQL tools (Apollo Server, GraphQL.js)

Development Tools and Methodologies:

  • Version control: Git and Git-based workflows
  • CI/CD tools (Jenkins, GitLab CI, or similar)
  • Containerization (Docker) and orchestration (Kubernetes)

Security Protocols:

  • Authentication methods: OAuth, JWT, SSO
  • Secure coding practices, vulnerability assessments, and API security standards

Experience Requirements

  • Minimum of 7 years of professional development experience with Node.js and JavaScript-based technologies
  • Proven expertise in building highly available RESTful APIs and microservices architectures
  • Demonstrated experience with containerization, orchestration, and cloud deployment
  • Exposure to working with message queues and real-time data streaming platforms (Kafka, AWS SQS, etc.)
  • Experience in banking, fintech, or enterprise environments is preferred but not mandatory
  • Breadth of experience in troubleshooting, performance tuning, and security implementation in distributed service ecosystems

Day-to-Day Activities

  • Design, develop, and deploy new microservices and APIs to support core business functions
  • Collaborate with product managers, architects, and DevOps teams to define technical requirements and solutions
  • Write and review code, documentation, and API specifications according to best practices
  • Monitor system performance, conduct root cause analysis, and implement performance improvements
  • Manage containerized deployments and automate workflows with CI/CD pipelines
  • Engage in security assessments, implement token-based authentication, and ensure compliance standards
  • Participate in Agile ceremonies: stand-ups, planning, sprint reviews, and retrospectives
  • Share knowledge through peer reviews, mentoring, and technical documentation

Qualifications

  • Bachelor's or Postgraduate degree in Computer Science, Software Engineering, or equivalent industry experience
  • Certifications related to cloud platforms or API security are an advantage
  • Continuous professional development through relevant training, courses, or certifications is encouraged

Professional Competencies

  • Strong analytical and problem-solving skills with attention to detail
  • Effective collaboration and the ability to influence technical teams across functions
  • Excellent communication skills, especially for engaging senior and executive stakeholders
  • Self-motivator with the ability to own projects and self-manage in a remote or distributed environment
  • Open to learning and applying new tools, frameworks, and industry best practices
  • Adaptive thinker capable of balancing technical excellence with business priorities

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