Senior Software Engineer (MCP Servers)

Cotality; Irvine (CA); Hybrid; USD 128,700 - 160,000; Full time

Benefits offered by this job

Flexible PTO

Parental leave

Health coverage

401(k) match

Tuition assistance

Job summary

Cotality is seeking a Senior Software Engineer to design, build, and scale MCP servers and Apigee X API proxies for AI-enabled applications. You will work across API architectures and AI integration strategies, shaping platform strategy and driving engineering excellence.

Join a team delivering secure, scalable data access and AI-driven workflows, with opportunities to lead architecture decisions, mentor teammates, and influence modern API ecosystems at scale.

Qualifications

• BS in Computer Science or related field or equivalent experience.
• 5+ years of software development experience.
• Proficiency in Python, JavaScript/Node.js, Java.
• Experience with MCP architecture and client-server models.
• Experience with Apigee X and API proxies.
• Knowledge of OAuth, JWTs, API keys, and data masking.
• Familiarity with REST, gRPC, and WebSocket streaming.
• Experience with CI/CD tooling (Jenkins, Git, Maven).
• Ability to mentor junior engineers.

Responsibilities

• Design, develop, and scale MCP servers for AI-enabled apps.
• Develop Apigee X API proxies and manage API lifecycles.
• Collaborate with product and stakeholders on AI integration strategies.
• Implement security policies and data masking.
• Write unit, integration, and system tests.
• Troubleshoot production issues and optimize performance.
• Lead CI/CD automation and deployment workflows.
• Mentor junior engineers and share knowledge.

Skills

Python

JavaScript/Node.js

Java

MCP architecture

API concepts

OAuth

RESTful API design

CI/CD

Testing methodologies

Mentoring

Education

Bachelor's degree in Computer Science or related field

Tools

Apigee X

OpenAPI

Git

Jenkins

Maven

Google Cloud

Job description

## Senior Software Engineer (MCP Servers)Applylocations: Irvine, CA: Dallas, TXtime type: Full timeposted on: Posted Yesterdayjob requisition id: REQ19026At Cotality, we are driven by a single mission—to make the property industry faster, smarter, and more people-centric. Cotality is the trusted source for property intelligence, with unmatched precision, depth, breadth, and insights across the entire ecosystem. Our talented team of 5,000 employees globally uses our network, scale, connectivity and technology to drive the largest asset class in the world. Join us as we work toward our vision of fueling a thriving global property ecosystem and a more resilient society.Cotality is committed to cultivating a diverse and inclusive work culture that inspires innovation and bold thinking; it's a place where you can collaborate, feel valued, develop skills and directly impact the real estate economy. We know our people are our greatest asset. At Cotality, you can be yourself, lift people up and make an impact. By putting clients first and continuously innovating, we're working together to set the pace for unlocking new possibilities that better serve the property industry.**Job Description:**Cotality is seeking a highly skilled **Senior Software Engineer** to design, build, and scale next-generation platforms that power AI-enabled applications across our enterprise. This role operates at the intersection of **modern API architecture and AI integration**, with a strong emphasis on developing **MCP (Model Context Protocol) servers** and **Apigee X-based API ecosystems** to securely expose internal data and services to AI-driven use cases.You will work across broad system scopes—translating business needs into scalable technical solutions—while influencing architecture, engineering practices, and platform strategy. This is an opportunity to play a critical role in advancing Cotality’s **AI-native engineering transformation**, driving innovation in how data and APIs are leveraged by emerging AI applications and agents.**Job Responsibilities:****Architecture, Design & Development*** Design, develop, and enhance complex software systems that enable scalable and secure AI integrations.* Lead the architecture and implementation of **MCP servers** to expose internal APIs and datasets for AI applications and agent-based workflows.* Develop and manage **Apigee X API proxies**, optimizing API lifecycle management, security, and performance.* Translate high-level requirements into detailed technical specifications, system designs, and implementation approaches.### **AI & API Strategy Integration*** Partner with product owners and business stakeholders to define requirements, with a strong focus on **AI integration capabilities** and API exposure strategies.* Evaluate technical feasibility and recommend solutions considering scalability, system constraints, and time-to-market.* Drive best practices for **AI context delivery, API governance, and cross-platform integration**.**Engineering Excellence & Testing*** Define testing strategies and collaborate with QA and engineering teams to elevate overall testing maturity.* Develop and enhance testing approaches for: + MCP server security and access control + Context retrieval accuracy and latency optimization + Apigee X policy effectiveness and API performance* Write comprehensive unit, integration, and system-level tests to ensure reliability and scalability.**Operational Support & Optimization*** Provide support for complex production issues, including: + AI context pipeline failures and MCP integrations + API gateway traffic patterns and anomalies within Apigee X* Troubleshoot and resolve escalated incidents using a systems-level perspective.* Recommend enhancements to improve system resilience, scalability, and performance.**Platform, Process & Innovation Leadership*** Influence and advance engineering processes, including: + MCP server deployment and lifecycle management + API proxy development standards within Apigee X + CI/CD pipelines and automation practices* Research and evaluate emerging technologies across: + AI ecosystems and agent frameworks + MCP standards and related SDKs + Modern API management platforms* Apply and socialize new approaches, driving continuous innovation across the team.**Collaboration & Mentorship*** Mentor and guide junior engineers, fostering a culture of technical excellence and continuous learning.* Provide subject matter expertise across projects and contribute to knowledge sharing through documentation and technical leadership.* Communicate progress, risks, and blockers transparently to maintain delivery momentum.**Job Qualifications:*** Bachelor's degree in Computer Science, Software Engineering, related technical field or equivalent work experience.* 5+ years of relevant work experience in software development.* Strong proficiency in software development principles and methodologies.* Proficiency in Python, JavaScript/Node.js, Java* Comprehension of the MCP architecture and the client-server communication model* Familiarity with general API concepts, as well as specific transport mechanisms like HTTP APIs, gRPC, and WebSocket streaming* The ability to build servers that expose tools, create resources for direct data access, and formulate prompts for pre-defined workflows* Experience testing and debugging servers utilizing the MCP Inspector.* Implementing OAuth authentication for clients* API Proxy Creation: Designing, building, and maintaining robust API proxies.* Design and Scripting: Proficiency in RESTful API design, alongside experience with Node.js and JavaScript.* Security Policy Implementation: Mastering the implementation of security policies, including OAuth, JSON Web Tokens (JWTs), API keys, and data masking to hide sensitive data.* Traffic Management: Customizing policies to handle traffic effectively, utilizing tools like Spike Arrest to limit the rate of API calls.* Backend Integration: Orchestrating complex workflows by integrating Apigee with multiple backend services, databases, and third-party platforms.* Google Cloud Ecosystem: Using service accounts and Google Authentication to safely access backend services from Apigee proxies.* API Documentation: Documenting APIs utilizing OpenAPI specifications.* DevOps and CI/CD: Familiarity with continuous integration and continuous deployment tools, such as Jenkins, Git, and Maven.* Analytics and Monitoring: Using Apigee's analytics tools to monitor traffic, detect anomalies, and understand API usage patterns.* API Productization: Packaging and productizing APIs using API products and developer portals.* Experience creating class and sequence diagrams from high and low-level designs.* Demonstrated ability to write clean, efficient code for scalable and flexible applications.* Expertise in software testing methodologies and writing programmatic tests.* Proven track record of delivering components for larger functional areas or applications.* Strong problem-solving skills for investigating and fixing software bugs.* Experience mentoring junior colleagues and sharing technical knowledge.#LI-Hybrid**Annual Pay Range:**128,700 - 160,000 USD**Application Window:**This opportunity is expected to remain posted through the date identified below, subject to business needs.**Thrive with Cotality**At Cotality, we offer more than just a job, we provide a benefits experience designed to support your whole self. From a flexible working model to competitive time off and standout health coverage with meaningful perks and growth opportunities, our package is built to help you thrive at work and in life.Highlights, depending on role classification, include:* Time off: Generous PTO and 11 paid holidays, plus well-being and volunteer time off.* Family Support: Up to 16 weeks of fully paid parental leave and a baby stipend.* Health: Multiple medical plan options with mental health and wellness support offerings.* Retirement: 401(k) with company match and vesting after one year.* Financial Perks: $400 annual well-being stipend and tuition assistance up to $5,250.* Extras: Recognition Rewards, Referral bonuses, exclusive discounts and more!Cotality is an Equal Opportunity employer committed to attracting and retaining the best-qualified people available, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability or status as a veteran of the Armed Forces, or any other basis protected by federal, state or local law. Cotality maintains a Drug-Free Workplace.