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McCarthy Building Companies, Inc. · 1 day ago

Applications Developer II

St Louis, MO

Full-time

Onsite

Senior Level

5+ years exp

McCarthy Building Companies, Inc. is the oldest privately-held national construction company in America, committed to a culture that delivers great experiences for everyone. The Applications Developer II will be part of the Enterprise Solutions and Analytics team, responsible for building application and integration solutions, supporting existing systems, and driving innovation using modern DevSecOps practices.

Construction

H1B Sponsor Likely

Responsibilities

Design and develop custom applications using modern frameworks such as Ruby on Rails or Django, integrating them into McCarthy’s ecosystem of applications

Design and develop integration solutions by applying best practices and standard patterns in data model design, data transfer and event-based processing. Leverage integration capabilities such as Rest APIs, message queues and remote process execution in developing solutions. Implement solutions that process both structured and unstructured data (images, videos, model files etc.)

Develop solutions for maximum reusability, using components available in enterprise applications and platforms. Promote modular approach in solution design and development. Maintain a robust integration application and integration environment to promote long-term flexibility and growth

Support the procurement of new applications and platforms by evaluating technical capabilities and providing insight

Provide technical support and guidance for efficient and effective resolution of issues. Respond to queries from application teams in a timely manner to reduce disruption to end users

Ensure integration and application solutions follow McCarthy’s security practices and guidelines

Enforce input validation and output encoding, avoid hardcoded secrets and credentials, apply least privilege logic in API and service interactions, use strong modern cryptography, sanitize logs, and perform threat modeling early and regularly

Adhere to and promote a shift-left security mindset for pipeline, secrets management and supply chain functions

Follow best practices and support organizational effort in managing projects and tasks effectively. Demonstrate an agile mindset in planning and execution of tasks

Constantly seek to improve current solutions. Identify opportunities to improve performance, automate workflows and improve end-user experience

Keep up with the latest on tools and platforms by attending vendor events and leveraging learning opportunities

Develop strong partnerships with internal IT staff to ensure solutions address McCarthy’s needs effectively and requests are addressed in a timely and effective manner. Work closely with business system analysts and product owners in understanding requirements and building solutions that implement user stories effectively

Qualification

Ruby on RailsRESTful servicesDevSecOps practicesSQLIPaaS BoomiIPaaS MulesoftAWSAzureMicrosoft Office 365Agile methodologyCommunication skills

Required

5+ years of application development experience on a modern stack (e.g., .NET 6+/C#, Node.js/TypeScript, Python, Ruby — Ruby on Rails/Sinatra/ActiveRecord) building RESTful services, event-driven components, and CI/CD-backed deployments; familiarity with containers and cloud services is a plus

Experience with an enterprise iPaas (integration platform as a service) such as Boomi, Mulesoft or Snaplogic. Boomi experience would be preferable

Strong knowledge of database capabilities in building integration solutions, preferably on Oracle or SQL Server. Strong knowledge of SQL. Solid understanding of data formats including JSON and XML

Practical experience with secure file transfer (SFTP), key management, and PGP encryption in automated pipelines

Working knowledge of DevSecOps practices and tools (DAST/SAST/SCA/secrets scanning) and severity-based remediation workflows in CI/CD. Examples of tools include Checkmarx, OWASP, GitHub, Snyk, Terrasan and Terraform

Knowledge of cloud platforms such as AWS, Azure and Microsoft Office 365

Experience working on projects using an Agile approach and the Scrum framework

Constant learner with a passion for continuous growth and improvement

Strong interpersonal and communication skills. Strong team player with a collaborative mindset

Preferred

Experience developing solutions on a data integration platform such as Palantir

Experience building applications using a low-code/no-code platform such as Microsoft PowerApps, Appian or QuickBase

Benefits

Best-in-class Total Rewards benefits

Company

McCarthy Building Companies, Inc.

Glassdoor4.2

With 160 years spent collaborating with partners to solve complex building challenges on behalf of its clients, McCarthy Building Companies, Inc.

Founded in 1864

Saint Louis, Missouri, USA

5001-10000 employees

http://www.mccarthy.com

H1B Sponsorship

McCarthy Building Companies, Inc. has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (18)

2024 (9)

2023 (25)

2022 (19)

2021 (19)

2020 (22)