Software Developer.

Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies, corporations, healthcare systems, colleges/universities, and large infrastructure programs throughout the U.S. and around the world. Our employees collaborate seamlessly among 50+ offices and gain valuable hands-on experience that fosters career growth. Langan culture is entrepreneurial from advancing innovative technical solutions, to participating in robust training and knowledge sharing, to making progressive change within the communities we live and work.

Consistently ranked among the top ten “Best Firms to Work For” and Engineering News-Record’s top 50 firms worldwide, Langan attracts and retains the best talent in the industry. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.

Langan is seeking a Software Developer to join its national Digital Solutions team. This individual will design, build, and maintain the geospatial applications our project teams use today and help shape the tools we build next. In this role, you will be part of a growing and fast-paced development team that creates modern web mapping applications that support Langan's project teams and clients.

Job Responsibilities

• Develop and maintain geospatial web applications using TypeScript, React, Next.js, and ArcGIS Maps SDK.
• Manage and prepare geospatial data for use in a variety of web mapping applications.
• Collaborate with other developers, designers, and stakeholders to deliver high-quality, GIS-centric software.
• Write clean, well-documented code and debug issues in existing codebases.
• Build applications with external services and data sources using REST, ArcGIS Maps SDK, and other similar mechanisms.
• Stay up to date with emerging trends and technologies in software development.
• Solve problems by creating and proposing technical solutions.
• Participate in code reviews to maintain code quality and share knowledge across the team. 

Required Skills

• Experience with Esri products such as ArcGIS Pro and ArcGIS Enterprise.
• Ability to create web mapping applications using frameworks such as React/Next.js and the ArcGIS Maps SDK.
• A solid understanding of core GIS concepts and how GIS users interact with web maps (layers, symbology, querying, projections, etc.).
• Ability to use ArcGIS Pro and ArcGIS Enterprise to manage and optimize geospatial data for use in applications.
• Proficiency in designing front-end geospatial applications with high-quality, user-centered UI/UX.
• Experience with or understanding of UI frameworks and design systems such as Tailwind CSS or Esri Calcite Design System, including responsive design principles.
• Understanding of development tools such as Git and GitHub, NPM, browser development tools, debuggers, and CI/CD pipelines.
• Hands-on experience using AI coding assistants and agents (e.g., GitHub Copilot, Claude Code, or Cursor) to speed up development tasks such as scaffolding, testing, code review, and documentation, paired with the engineering judgment to review, validate, and own AI-assisted code.
• Proactive and comprehensive troubleshooting and problem-solving skills.

Preferred Skills

• Experience developing geospatial oriented AI features, preferably using LangChain.
• Experience using cloud systems, such as Microsoft Azure.
• Full-stack/backend experience.
• Experience working with Docker containers.
• Experience working with relational and spatial databases.
• Prior experience in a GIS analyst or GIS operations role.

Qualifications 

• Bachelor’s degree in Geographic Information Systems, Computer Science, Software Engineering, or a related discipline is required (Master’s degree a plus).
• 2 - 5 years of professional experience using GIS tools, such as ArcGIS Pro, ArcGIS Enterprise, AGOL, or ArcMap.
• At least 2 years of real-world experience developing web mapping applications with JavaScript frameworks, such as React/Next.js and ArcGIS Maps SDK.
• Excellent interpersonal and communication skills.
• Self-motivated, with the ability to collaborate effectively within a team.
• Ability to work efficiently and produce accurate and thorough work.
• Ability to work independently, remain flexible, and handle multiple priorities in a fast-paced environment.

Langan provides a rich array of programs and benefits to help its employees advance their careers and enhance the quality of their lives. Our comprehensive compensation package includes: full-time employment company paid medical, dental, and vision coverage; life insurance, short- and long-term disability insurance, and paid pregnancy disability leave; 401(k)/Roth with company match; paid time off including parental and military leave; employee referral and professional license bonuses; and educational reimbursement.

Langan offers employee resource groups; flexible work schedules; extensive training; wellness programs; buddy and mentoring programs; and much more!

Langan is committed to providing equal employment opportunities to all qualified applicants and employees, including individuals with disabilities and protected veterans. We believe that an inclusive workplace is essential for the well-being and success of our employees.