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Senior Performance Engineer Jobs in Ludlow, MA (NOW HIRING)

RCN Capital, LLC.

Senior Software Engineer

Windsor, CT · On-site

$100 - $130/hr

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation ... Advanced PostgreSQL skills, including schema design, performance tuning, and NoSQL (CosmosDB ...

Salas O'Brien

Senior Mechanical Engineer

Bloomfield, CT · On-site

$100K - $130K/yr

Senior Mechanical Engineer At Salas O'Brien we tell our clients that we're engineered for impact ... This role is also eligible for performance-based bonuses and a comprehensive U.S. based benefits ...

LiquidPiston

Senior Design Engineer

Suffield, CT · On-site

We are seeking a Senior Design Engineer to play a key role in the design, simulation, and ... Generate and evaluate new ideas to improve the performance, durability, and manufacturability of ...

Emerson

Senior Electrical Engineer

Easthampton, MA · Hybrid

$93K - $132K/yr

We are seeking a Senior Electrical Engineer, for our Easthampton, MA location, with strong ... or personal performance. You come up with useful ideas that are new, better, or unique. You ...

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All JobsPerformance Engineer JobsSenior Performance Engineer JobsSenior Performance Engineer Jobs in Ludlow, MA

Senior Performance Engineer information

See Ludlow, MA salary details

$62.5K

$132.9K

$192.7K

How much do senior performance engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior performance engineer in Ludlow, MA is $132,869.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,700.00 and $150,700.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a senior performance engineer?

To thrive as a Senior Performance Engineer, expertise in performance analysis, capacity planning, and system optimization—often backed by a degree in computer science or a related field—is crucial. Familiarity with tools such as LoadRunner, JMeter, APM solutions, profiling tools, and relevant certifications like CPPE or PMP are highly beneficial. Strong problem-solving, collaboration, and clear communication skills are vital for identifying bottlenecks and working closely with cross-functional teams. These combine to ensure robust system performance, user satisfaction, and reliable application scalability in demanding technical environments.

What does a senior performance engineer do?

A Senior Performance Engineer typically oversees performance testing cycles, analyzes system metrics, and collaborates with development and operations teams to diagnose and resolve performance issues. Daily tasks often include designing and executing test plans, monitoring application behavior under load, and recommending improvements for scalability and efficiency. They also participate in code reviews and architectural discussions to identify potential bottlenecks early in the development cycle. Consistent communication with both technical and non-technical stakeholders is key, ensuring that performance goals align with business objectives.

What is a senior performance engineer?

A Senior Performance Engineer is responsible for optimizing the performance, scalability, and reliability of software applications and systems. They analyze performance metrics, conduct load and stress testing, identify bottlenecks, and work with development teams to implement improvements. This role requires expertise in profiling tools, performance tuning, and system architecture to ensure optimal user experience. Additionally, they may establish best practices for performance testing and contribute to overall system design decisions.

What cities near Ludlow, MA are hiring for Senior Performance Engineer jobs? Cities near Ludlow, MA with the most Senior Performance Engineer job openings:
Senior Performance Engineer jobs near you
Infographic showing various Senior Performance Engineer job openings in Ludlow, MA as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $132,869 per year, or $63.9 per hour.

Senior Software Engineer

RCN Capital, LLC.

Windsor, CT • On-site

$100 - $130/hr

Other

Posted 7 days ago

Job description

RCN Capital is a nationwide wholesale lender focused on helping real estate investors and independent mortgage brokers finance non-owner-occupied residential investment properties. We support a range of strategies including ground-up construction, fix-and-flip projects, and long-term rental financing through a streamlined process, dedicated teams, and a commitment to exceptional service.

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation financial and partner-facing platforms, including the Loan Origination System (LOS), Partner Ecosystem, and Sales Portal. This role is responsible for end-to-end delivery of modern, cloud-native applications using .NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality engineering standards.

The ideal candidate brings a builder mindset for net-new development, combined with an innovation mindset to integrate AI-powered capabilities and agentic workflows into core business processes. This role will act as a technical leader within the Project Nexus ecosystem and serve as a bridge between onshore leadership and offshore delivery teams.

Primary Responsibilities
  • Lead architecture and hands‑on development of modern web applications supporting LOS, Partner Portals, and Sales Platforms
  • Design, build, and maintain React and TypeScript front‑end applications using modern patterns and state management
  • Develop high‑performance backend services and APIs using C# and .NET 10 / .NET Core
  • Design and implement AI‑powered features, including intelligent agents and automated document processing using Azure OpenAI Services
  • Collaborate closely with offshore development teams, performing code reviews and providing architectural and technical guidance
  • Design and implement cloud‑native architectures leveraging Azure services such as Functions, App Services, Service Bus, and serverless components
  • Ensure secure‑by‑design coding practices, including authentication, authorization, and secrets management
  • Support production systems and participate in design reviews, technical planning, and platform evolution initiatives
Required Skills Frontend
  • Expert‑level React (Hooks, Context API) and TypeScript.
  • Experience with modern state management (Redux/Zustand) and Tailwind CSS
  • Deep proficiency in C# and .NET 10/Core.
  • Experience with Entity Framework Core and high‑performance API design.
AI/GenAI
  • Proven experience with LLMs (4th generation or newer), Prompt Engineering, and building RAG applications.
  • Familiarity with LangChain or Semantic Kernel is a plus.
Cloud
  • Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions for CI/CD.
Database
  • Advanced PostgreSQL skills, including schema design, performance tuning, and NoSQL (CosmosDB) experience.
Preferred Skills
  • Experience with AI / GenAI concepts, including LLMs, prompt engineering, or Retrieval‑Augmented Generation (RAG) patterns
  • Familiarity with Azure OpenAI Services, LangChain, Semantic Kernel, or similar frameworks
  • Experience with containerization and orchestration (Docker, Kubernetes)
  • Exposure to NoSQL databases such as Cosmos DB
  • Understanding of secure coding practices and regulated data environments
Required Experience
  • 7+ years of professional software development experience
  • At least 3 years operating in a Senior or Lead Engineer capacity
  • Hands‑on experience building and supporting production‑grade, cloud‑native applications
  • Experience collaborating with distributed or offshore development teams
Preferred Experience
  • Building or modernizing partner portals or external‑facing systems
  • Greenfield development of enterprise platforms
  • Platforms that have evolved to incorporate AI‑assisted workflows
Education
  • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field required
  • Master's degree in Computer Science, Software Engineering, Information Systems, or related field preferred
Preferred Certifications
  • Other relevant cloud or software engineering certifications
Work Schedule
  • Full time
  • Monday-Friday, 9:00AM to 6:00PM
  • Hybrid work model with first 90 days onsite and 2 days/week in office after in either:
  • South Windsor, CT
  • Charlotte, NC
Why RCN Capital
  • Growth‑oriented environment with opportunities to expand your legal skill set
  • Ongoing training and development
  • Casual dress policy
  • Free food and beverage program
  • And many additional perks

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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