Senior Software Engineer (MCP Servers)

Cotality

$128K — $160K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • 5+ years in software development with a focus on scalable systems.
  • Strong skills in Python, JavaScript/Node.js, and Java.
  • Understanding of MCP architecture and client-server communication.
  • Proficiency in API concepts including HTTP, gRPC, and WebSockets.
  • Experience with API testing using tools like MCP Inspector.
  • Familiarity with OAuth authentication and security policy implementation.

Responsibilities

  • Design and enhance software systems for scalable AI integrations.
  • Lead architecture of MCP servers for AI applications.
  • Manage Apigee X API proxies for security and performance optimization.
  • Translate business requirements into technical specifications.
  • Define best practices for API governance and cross-platform integration.
  • Collaborate with QA to improve testing strategies and practices.
  • Mentor junior engineers and document knowledge across projects.

Benefits

  • Generous PTO and 11 paid holidays, plus well-being and volunteer time off.
  • Up to 16 weeks of fully paid parental leave and a baby stipend.
  • Multiple health plan options with mental health support.
  • 401(k) with company match after one year of service.
  • Annual well-being stipend of $400 and tuition assistance.
  • Recognition rewards, referral bonuses, and exclusive discounts.
Full Job Description
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!

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