Sr Engineer, Enterprise Applications Modernization

Sr Engineer, Enterprise Applications Modernization

Full Time

Professional

USA - Virtual, US

30+ days ago

Requisition ID

1543

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The Role

11:11 Systems is looking for a Senior Engineer to design, build, and scale an AI-powered Applications and Integrations Modernization solution enabling faster, more predictable, and repeatable transformation of legacy applications and integrations at scale. The ideal candidate will be energetic, adaptable, detail oriented, capable of understanding a diverse set of business systems, and knowledgeable of how data flows across systems. They must have exceptional skills and discipline for making people, process, and technology work together to deliver mission-critical business outcomes. This is a full-time, remote role, based in the United States, reporting to the Director, Software Engineering - Frontend.

Responsibilities

Support the modernization of legacy applications, integrations, and workflows

Use approved AI tools such as GitHub Copilot, Claude, Codex, and similar tools to assist with code analysis, documentation, refactoring support, test generation, and modernization research under senior engineering guidance

Design and standardize modernization and migration framework for transforming applications and integrations

Establish scalable, reuseable frameworks for enterprise applications and integrations transformation and modernization

Work with the Manager/Principal Architect and Application development teams from strategy to solution to implementation and support of applications and integrations

Work closely with the Business Analysts on the understanding of functional and technical system requirements for architecting, designing and delivering solutions to meet business needs

Create solution designs that leverage the architecture standards and services to meet key project design criteria including Availability, Recoverability, Scalability, and Performance

Coordinate with other team members in the development of the integrations architecture roadmap that aligns with the strategic objectives of business groups and different technology groups

Build AI-first pipelines leveraging Claude, Codex, GitHub Copilot, agentic AI, and complementary tooling

Define and promote new ways of working for AI-driven transformation

Incorporate lean principles in all projects prior to the design phase

Provide architectural and technical input for definition, estimation and delivery of projects and solutions

Keep abreast of changes in technology regarding applications and integrations architecture, design and development

Work closely with the support team in managing tier III escalations and providing timely and quality production support to our business users

Work closely with Agile teams to deliver incremental software releases and enhancements

Work supportively with colleagues, operating in a manner that is consistent with 11:11’s Code of Business Ethics and Company Values

Responsibly receive, transmit, and handle company data and information per Company data handling agreements, work procedures and policies

Review and follow company policies and guidelines, data privacy practices, including annual compliance training certification and policy acknowledgements

Additional duties as assigned

Qualifications

Bachelor’s degree in Computer Science or a related field of study, or equivalent years of related work experience required

5+ years’ experience in large-scale cloud or application and integrations modernization programs

Strong expertise in cloud architecture (AWS and/or Azure)

Hands-on experience or strong interest in AI-driven software modernization, including tools such as GitHub Copilot, Copilot Agents, Claude, or Codex

Proven experience with CI/CD pipelines and developer toolchains (e.g., GitHub, automation pipelines, quality tooling)

Experience in integrations architecture, design, development, delivery, and support using Mulesoft ESB or equivalent tool

Domain knowledge and experience with CRM, ERP, and ITSM applications, and integrations between the applications

Exposure to SQL, J2EE/Web Services, HTTP/SOAP, XML, XSD, XSLT, WSSE, REST, RAML, WSDL, UDDI, JSON

Experience driving cross-functional transformation initiatives

Ability to apply architectural principles to business solutions and to recognize structural issues within the organization, functional interdependencies and cross-silo redundancies

Experience modeling business processes using a variety of tools and techniques

Experience with managing and supporting technical standards and architecture designs

Experience with Scrum methodology and Agile practices

Strong project management, time management, and problem-solving skills

Strong written and verbal communication, documentation, and organization skills

Positive outlook, can-do attitude and able to work using their own initiative

Passion for innovation and proven track record of inspiring team members to innovate and collaborate

Must be legally eligible to work in the United States without visa sponsorship

To perform this job successfully, an individual must be able to perform each essential function satisfactorily. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable qualified individuals with disabilities to perform the essential functions.

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