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Purview Consultancy Services Ltd
Engineering Tech Lead Node.js ArchitectPurview Consultancy Services Ltd • Orgreave, South Yorkshire, United Kingdom
Engineering Tech Lead Node.js Architect

Engineering Tech Lead Node.js Architect

Purview Consultancy Services Ltd • Orgreave, South Yorkshire, United Kingdom
11 days ago
Job type
  • Full-time
Job description

Job Description

Role: Engineering Tech Lead Node.js ArchitectLocation: Sheffield, UKContract (3 days a week Onsite)Job Description

Increase your chances of an interview by reading the following overview of this role before making an application.

Experience


1015+ years of software development experience with at least 5+ years of hands-on expertise in Node.js and experience leading engineering teams and large-scale backend platforms.


Job Summary:


We are seeking a highly skilled Engineering Tech Lead Node.js to lead the design, development, and evolution of scalable, high-performance backend systems. The ideal candidate should possess deep technical expertise in the Node.js ecosystem, strong architectural and system design capabilities, and proven experience leading engineering teams through complex technical challenges.


This role requires a hands-on leader who can drive technical strategy, mentor engineers, establish engineering best practices, and architect distributed systems capable of handling enterprise-scale workloads.


Key Responsibilities



  • Lead the architecture, design, and development of mission-critical backend applications using Node.js.


Design scalable, secure, and highly available distributed systems and microservices.


Drive technical decision-making and define engineering standards across projects.


Collaborate with Product Managers, Architects, DevOps, QA, and cross-functional teams to deliver high-quality solutions.


Review code, enforce best practices, and ensure maintainability and performance of applications.


Mentor and guide engineering teams through technical challenges and career development.


Optimize application performance, scalability, reliability, and observability.


Design APIs and integration patterns for internal and external systems.


Establish CI/CD pipelines and promote DevSecOps practices.


Lead technical discussions on architecture, system trade-offs, and technology adoption.


Ensure applications meet security, compliance, and data privacy standards.


Participate in production support, incident management, and root cause analysis for critical issues.



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Required Technical Skills


Node.js Expertise



  • Strong expertise in Node.js runtime internals and asynchronous programming.


Deep understanding of:



  • Event Loop


libuv


Worker Threads


Cluster module


Streams


Buffers


Memory management


Garbage collection



Advanced knowledge of JavaScript (ES6+) and TypeScript.


Experience with backend frameworks such as:



  • Express.js


NestJS


Fastify


Koa




Architecture & System Design



  • Strong understanding of software architecture principles and design patterns.


Experience designing:



  • Microservices architecture


Event-driven systems


Domain-driven design (DDD)


Hexagonal/Clean Architecture


CQRS


Saga pattern


API Gateway patterns



Experience building systems with high throughput and low latency.


Knowledge of scalability patterns including horizontal scaling, load balancing, and auto-scaling.



API & Integration



  • RESTful API design


GraphQL


gRPC


WebSockets


OpenAPI/Swagger


API versioning strategies


Third-party system integrations



Databases


Experience with both SQL and NoSQL databases:



  • PostgreSQL


MySQL


MongoDB


Redis


Elasticsearch



Strong understanding of:



  • Data modeling


Indexing


Query optimization


Transactions


Replication


Sharding



Messaging & Distributed Systems


Hands-on experience with messaging platforms such as:



  • Apache Kafka


RabbitMQ


AWS SQS/SNS


NATS



Understanding of:



  • Event sourcing


Idempotency


Retry strategies


Dead-letter queues


Eventual consistency



Cloud & DevOps


Experience with cloud platforms:



  • AWS


Azure


Google Cloud Platform



Hands-on knowledge of:



  • Docker


Kubernetes


Helm


Terraform


CI/CD pipelines


Infrastructure as Code



Observability & Performance


Experience implementing:



  • Centralized logging


Distributed tracing


Metrics collection


Monitoring dashboards



Knowledge of tools such as:



  • Prometheus


Grafana


OpenTelemetry


ELK Stack



Ability to identify and resolve performance bottlenecks in Node.js applications.


Security


Strong understanding of:



  • OAuth 2.0


OpenID Connect (OIDC)


JWT authentication


RBAC/ABAC


OWASP Top 10


Secure API development


Secrets management


Encryption best practices



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Leadership Expectations



  • Lead and mentor engineering teams.


Conduct technical design reviews and code reviews.


Define engineering standards and best practices.


Drive architecture discussions and technology decisions.


Collaborate effectively with stakeholders across business and technology functions.


Foster a culture of quality, innovation, and continuous improvement.



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Preferred Qualifications



  • Bachelors or Masters degree in Computer Science, Engineering, or a related field.


Experience building large-scale enterprise or SaaS platforms.


Familiarity with serverless architectures and cloud-native development.


Exposure to AI/ML integrations or event streaming platforms is a plus.


Contributions to open-source projects or active participation in the Node. xwwtmva js community are desirable.




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Engineering Tech Lead Node.js Architect • Orgreave, South Yorkshire, United Kingdom

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