{"schemaVersion":"jobsearcher.job.v1","id":"bcc17b911329fe6ba33f1e62","url":"https://jobsearcher.com/jobs/bcc17b911329fe6ba33f1e62","canonicalUrl":"https://jobsearcher.com/jobs/bcc17b911329fe6ba33f1e62","title":"Software Engineer","description":"Job#: 3040288\n\nJob Description:\n\nSoftware Engineer – Legacy Modernization & API Development\n\nTeam: Catalyst – Core Modernization & AI Engineering\n\nOrganization: Landmark Software & Services\n\nReports To: Director of Modernization & AI Systems\n\nLevel: Principal Software Developer (I3) or Technical Advisor (J1), based on experience\n\nLocation: Houston, TX (Hybrid)\n\nEmployment Type: Full-Time, Contract-to-Hire\n\nWork Authorization: Candidates must be legally authorized to work in the United States. [Catalyst-J...e-Engineer | Word]\n\nPosition Overview\n\nWe are seeking an experienced Software Engineer to help modernize legacy applications and transform them into scalable, maintainable software solutions. In this role, you will analyze existing codebases, understand legacy business logic, and rebuild critical functionality as modern, API-driven services. You will work closely with architects and senior engineers while leveraging AI-powered development tools to accelerate code analysis, testing, and modernization efforts. [Catalyst-J...e-Engineer | Word]\n\nKey Responsibilities\nModernize legacy Windows and Fortran-based applications into modern, maintainable solutions.\nDesign, develop, and support APIs that expose existing computational capabilities to modern platforms and consumers.\nCreate characterization, regression, and automated tests to ensure modernized applications maintain expected functionality.\nUtilize AI-assisted development tools for code comprehension, translation, test generation, and productivity enhancement.\nFollow established modernization frameworks, architectural standards, and engineering best practices.\nCollaborate with architects, senior engineers, and business stakeholders to deliver high-quality software solutions.\nRequired Qualifications\n7+ years of professional software engineering experience.\nStrong proficiency in at least one enterprise or systems programming language such as:\nC++\nC# / .NET\nJava\nExperience working with APIs and service-oriented architectures.\nDemonstrated experience writing automated tests and validating behavior-sensitive code changes.\nHands-on experience using AI coding assistants within software development workflows.\nExperience working in Agile environments and familiarity with emerging AI-enabled development methodologies, including Spec-Driven Development and AI Development Life Cycle (AIDLC).\nPreferred Qualifications\nExposure to Fortran or other legacy programming languages.\nExperience deploying applications in AWS and/or Azure environments.\nFamiliarity with AI frameworks and orchestration tools such as:\nLangChain\nLangGraph\nDeepAgents\nExperience working with scientific, engineering, or numerical software applications.\nSuccess Factors\n\nThe ideal candidate will:\n\nBe an effective communicator who can clearly explain complex technical concepts and legacy system behaviors.\nThrive in situations involving ambiguity, undocumented systems, and evolving requirements.\nDemonstrate strong analytical and problem-solving skills with an investigative mindset.\nEnjoy reverse-engineering and understanding complex legacy applications.\nBalance engineering rigor with practical delivery objectives.\nCollaborate effectively with technical teams and API consumers to deliver business value.\n\nEverforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.\n\nEverforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy\n\nEverforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.\n\nEverforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.\n\nIf you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at accommodations@apexsystems.com or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.\n\nUnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.\nEmployee Type:\nContract\n\nLocation:\nHouston, TX, US\n\nJob Type:\nEngineering and Technicians\n\nDate Posted:\nJune 29, 2026\n\nPay Range:\n$60 - $70 per hour","company":"Everforth","rawCompany":"everforth","city":"Houston","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-08-24T09:07:21.951Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer","description":"Job#: 3040288\n\nJob Description:\n\nSoftware Engineer – Legacy Modernization & API Development\n\nTeam: Catalyst – Core Modernization & AI Engineering\n\nOrganization: Landmark Software & Services\n\nReports To: Director of Modernization & AI Systems\n\nLevel: Principal Software Developer (I3) or Technical Advisor (J1), based on experience\n\nLocation: Houston, TX (Hybrid)\n\nEmployment Type: Full-Time, Contract-to-Hire\n\nWork Authorization: Candidates must be legally authorized to work in the United States. [Catalyst-J...e-Engineer | Word]\n\nPosition Overview\n\nWe are seeking an experienced Software Engineer to help modernize legacy applications and transform them into scalable, maintainable software solutions. In this role, you will analyze existing codebases, understand legacy business logic, and rebuild critical functionality as modern, API-driven services. You will work closely with architects and senior engineers while leveraging AI-powered development tools to accelerate code analysis, testing, and modernization efforts. [Catalyst-J...e-Engineer | Word]\n\nKey Responsibilities\nModernize legacy Windows and Fortran-based applications into modern, maintainable solutions.\nDesign, develop, and support APIs that expose existing computational capabilities to modern platforms and consumers.\nCreate characterization, regression, and automated tests to ensure modernized applications maintain expected functionality.\nUtilize AI-assisted development tools for code comprehension, translation, test generation, and productivity enhancement.\nFollow established modernization frameworks, architectural standards, and engineering best practices.\nCollaborate with architects, senior engineers, and business stakeholders to deliver high-quality software solutions.\nRequired Qualifications\n7+ years of professional software engineering experience.\nStrong proficiency in at least one enterprise or systems programming language such as:\nC++\nC# / .NET\nJava\nExperience working with APIs and service-oriented architectures.\nDemonstrated experience writing automated tests and validating behavior-sensitive code changes.\nHands-on experience using AI coding assistants within software development workflows.\nExperience working in Agile environments and familiarity with emerging AI-enabled development methodologies, including Spec-Driven Development and AI Development Life Cycle (AIDLC).\nPreferred Qualifications\nExposure to Fortran or other legacy programming languages.\nExperience deploying applications in AWS and/or Azure environments.\nFamiliarity with AI frameworks and orchestration tools such as:\nLangChain\nLangGraph\nDeepAgents\nExperience working with scientific, engineering, or numerical software applications.\nSuccess Factors\n\nThe ideal candidate will:\n\nBe an effective communicator who can clearly explain complex technical concepts and legacy system behaviors.\nThrive in situations involving ambiguity, undocumented systems, and evolving requirements.\nDemonstrate strong analytical and problem-solving skills with an investigative mindset.\nEnjoy reverse-engineering and understanding complex legacy applications.\nBalance engineering rigor with practical delivery objectives.\nCollaborate effectively with technical teams and API consumers to deliver business value.\n\nEverforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.\n\nEverforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy\n\nEverforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.\n\nEverforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.\n\nIf you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at accommodations@apexsystems.com or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.\n\nUnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.\nEmployee Type:\nContract\n\nLocation:\nHouston, TX, US\n\nJob Type:\nEngineering and Technicians\n\nDate Posted:\nJune 29, 2026\n\nPay Range:\n$60 - $70 per hour","datePosted":"2026-08-24T09:07:21.951Z","dateModified":"2026-08-24T09:07:21.951Z","hiringOrganization":{"@type":"Organization","name":"Everforth","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Houston","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"bcc17b911329fe6ba33f1e62"},"url":"https://jobsearcher.com/jobs/bcc17b911329fe6ba33f1e62"}}