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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer - **Company:** Epsilon, Inc. - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $119,600.0 - $222,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Big Data, Software Quality, Collaborative Software, Continuous Integration, Cursor (Graphical User Interface Elements), DevOps, Distributed Systems, Amazon DynamoDB, PostgreSQL, Enterprise Messaging Systems, Microsoft SQL Server, MongoDB, Node.Js, NoSQL, Performance Tuning, RabbitMQ, Redis, Ansible, Next.js, Amazon Simple Notification Service (SNS), Software Engineering, SQL Databases, TypeScript, Web Application Frameworks, Cloud Platform System, Spring Cloud, ReactJS, Large Language Models, Express.js, Snowflake, Generative AI, Event Driven Architecture, Pyspark, Infrastructure Automation Frameworks, Information Technology, Apache Kafka, NestJS, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Api Management, Serverless Computing, Service Stack, Databricks, Microservices - **Published:** June 3, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=c64934d048322f31 ## About the Role * Education: Bachelor's degree in computer science, Information Technology, or a related technical field. * Experience: 8+ years of software engineering experience designing, building, and maintaining large-scale production applications. * Architecture: Proven expertise in distributed systems, microservices design, and building robust REST APIs. * Tech-Stack: Strong hands-on proficiency across the modern JavaScript/TypeScript ecosystem, including modern frontend frameworks (e.g., React, Next.js) and server-side runtimes/frameworks like Node.js, Express.js, NestJS, or Fastify. * Data: Comprehensive experience with event-driven architectures and messaging technologies (Kafka, RabbitMQ, SNS/SQS), alongside broad proficiency across relational and NoSQL databases (PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, Redis). * Infrastructure: Deep experience building cloud-native applications on a major cloud platform (AWS, Azure, or GCP), utilizing core services for object storage, serverless compute, API management, and event routing. * DevOps: Experience with Infrastructure as Code (IaC) tools like Terraform or Ansible, CI/CD pipeline automation, and comprehensive testing strategies. * AI: Practical experience leveraging agent-assisted coding tools (e.g., Cursor, Claude Code) to optimize software delivery velocity without compromising on code quality., * Education: Master's degree in Computer Science, Information Technology, or a related technical field. * Experience: 10+ years of software engineering experience building enterprise-grade, highly scalable distributed systems. * Data: Hands-on experience with modern, big data platforms and processing frameworks such as Databricks, Snowflake, or PySpark. * AI: Practical exposure to Generative AI architectures, including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and autonomous agentic systems. Who Thrives Here This is a strong opportunity for a lead engineer who enjoys solving complex technical problems, shaping platform direction through hands-on leadership, and mentoring others through example. If you are excited by the idea of building scalable, privacy-first data systems in a fast-moving environment, this role offers meaningful scope and impact. ## Description Epsilon is looking for a Lead Engineer to help drive the design, delivery, technical strategy, and execution of core capabilities for Epsilon Clean Room, our privacy-first data collaboration platform. In this role, you will lead through technical expertise, partner closely with product, architecture, and engineering stakeholders, and build scalable solutions that enable secure, data-rich collaboration for enterprise clients., * Deliver large-scale cloud-native data platforms primarily on AWS using REST APIs, microservices, and event-driven applications to build highly scalable and resilient systems. * Work hands-on across the technology stack, including Node.js, TypeScript, JavaScript, Express.js, AWS services, event-driven architecture, and SQL/NoSQL databases, to solve complex engineering challenges and maintain platform excellence. * Partner closely with global engineering, product management, architecture, and business stakeholders to align technical solutions with strategic business objectives. * Own the end-to-end software development lifecycle, including requirements gathering, solution design, development, deployment, observability, and documentation. * Lead product-wide technical initiatives focused on performance optimization, scalability, reliability, security, governance, and cost efficiency. * Mentor and guide junior engineers, fostering a culture of innovation, accountability, collaboration, and technical excellence. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)