Computer Services (CSI)

Software Engineer III

Computer Services (CSI)$110K — $130K *
US-AnywhereRemote in United States
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of software engineering experience with a focus on backend services and integrations.
  • Advanced proficiency in C++, TypeScript, and Node.js for scalable service development.
  • Experience with financial systems and core banking platforms preferred.
  • Ability to manage large projects and product deliveries across technical teams.
  • Familiarity with Agile methodologies, CI/CD practices, and integration techniques.

Responsibilities

  • Lead development and rollout of backend services and complex third-party integrations.
  • Enforce coding standards and best practices, focusing on TypeScript, Node.js, and API design.
  • Manage projects effectively to ensure timely delivery of integration-heavy initiatives.
  • Write technical specifications for integrations and modernization of legacy systems.
  • Mentor colleagues on backend development and modern integrations.
  • Showcase software engineering expertise in backend systems and integration frameworks.
  • Provide thought leadership in system interoperability and legacy-to-modern migrations.

Benefits

  • Eligibility for incentive awards based on individual and organizational performance.
  • Comprehensive range of employee benefits to support overall well-being and work-life balance.
Full Job Description
Job Description:

Software Engineer III's design, code, test, and debug scalable applications and services using modern TypeScript and Node.js patterns; maintain and document program changes with a focus on reliability, performance, and integration quality. They competently perform work in complex sections of at least one major CSI application, with a strong emphasis on backend services and third-party integrations, including core systems within the online banking ecosystem. The role also includes working with and modernizing existing C++ codebases and services, helping to evolve legacy systems into more maintainable, service-oriented architectures. They maintain and document program changes while working on complex integrations and system migrations. This role requires use of imagination, originality, and ingenuity to uphold high programming standards and deliver resilient, secure, and high-performing integration solutions with significant business impact.

Responsibilities:
  • Project Leadership: Take ownership of the development and rollout of entire products or large projects, particularly those involving backend services, C++ modernization efforts, and complex third-party integrations.
  • Standards and Practices: Enforce department coding standards and best practices, with a strong emphasis on TypeScript, Node.js, API design, and secure integration patterns, while contributing to the modernization of legacy C++ systems.
  • Project Management: Demonstrate effective and efficient project management skills, ensuring successful delivery of integration-heavy initiatives and legacy-to-modern platform migrations.
  • Technical Specifications: Write technical specifications, including API contracts, integration patterns, and modernization approaches for legacy C++ systems; identify project and programming risks, particularly related to third-party dependencies and system interoperability.
  • Coaching and Mentorship: Champion processes and technologies (Agile, CI/CD, service-oriented architecture) while coaching colleagues on backend development, integration practices, and modernization strategies.
  • Expertise and Innovation: Showcase expertise in software engineering with a focus on backend systems, integration frameworks, and emerging Node.js and TypeScript technologies, while contributing to the evolution of legacy C++ platforms.
  • Programming Knowledge: Apply knowledge of TypeScript, Node.js, and related backend technologies effectively; demonstrate working familiarity with C++ and the ability to support, maintain, and modernize existing systems.
  • Thought Leadership: Provide proactive investigation, problem-solving, and thought leadership, particularly in integration design, system interoperability, and strategies for migrating legacy platforms to modern architectures within the online banking domain.
  • Mentorship: Offer coaching and mentorship to less experienced Software Engineers, especially in building scalable services, managing complex integrations, and navigating legacy-to-modern transitions.


Requirements:
  • Accredited university, college, or trade school education and training in applicable technology; advanced degrees or relevant certifications preferred.
  • 7+ years of successful, relevant software engineering experience, with a strong focus on backend service development and complex system integrations.
  • Advanced proficiency with C++, experience with TypeScript and Node.js, including modern backend development patterns, scalable service design, and application performance considerations.
  • Experience designing, building, testing, debugging, and maintaining scalable applications and services in a production environment.
  • Experience with financial systems, core banking platforms, online banking ecosystems, APIs, or third-party vendor integrations strongly preferred.
  • Working familiarity with C++ codebases, including the ability to support, maintain, and contribute to modernization of legacy systems.
  • Experience with API design, API contracts, third-party integrations, vendor dependencies, and system interoperability.
  • Ability to work within complex sections of major applications, preferably within online banking, financial technology, or other highly integrated enterprise environments.
  • Experience contributing to legacy-to-modern platform migrations, service-oriented architectures, CI/CD practices, and Agile development environments.
  • Proven ability to take ownership of large projects or product rollouts and manage delivery effectively across technical and cross-functional stakeholders.
  • Ability to coach, mentor, and support less experienced engineers in backend development, integration practices, and modernization strategies.

CSI provides rewarding and challenging career opportunities for our employees. When determining your pay, we consider various factors such as your skills, qualifications, experience and location. Along with a competitive salary, this position includes eligibility for incentive awards based on both individual and business performance. We also offer a comprehensive range of benefits. To learn more about our benefits, visit: Benefits Summary

About Computer Services (CSI)

Computer Services, Inc. (CSI) is a provider of technology solutions for financial institutions. The company offers core processing, digital banking, managed services, regulatory compliance, risk management, and other technology solutions. CSI serves more than 1,000 customers in the United States and has offices in Kentucky, Georgia, Texas, and California. The company was founded in 1965 and is committed to providing innovative and reliable technology solutions to help financial institutions succeed.
Learn more about Computer Services (CSI)
Size
1,900 employees
Industry
Founded
1965

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