Ulteig

Senior Application Developer

Join Ulteig in San Pedro, Costa Rica as a Senior Application Developer leading software projects in water resources. Drive innovative solutions with a collaborative team and enjoy flexible work and competitive pay.
Ulteig
Ulteig
San Pedro, Costa Rica Hybrid Full time UTC-06:00

Ulteig

Company Overview

Ulteig

Fargo, ND, United States

1944

Approximately 1,300 employees (source: linkedin.com). Revenue of $187.2 million in FY 2024 (source: ulteig.com).

What They Do

Ulteig is an infrastructure engineering and consulting firm that operates across four key sectors: Power, Renewables, Transportation, and Water. Rather than manufacturing equipment, Ulteig focuses on designing, engineering, and managing infrastructure projects that enhance the efficiency and reliability of essential services. In the Power sector, the company specializes in grid modernization, substations, and SCADA systems, while in Renewables, it emphasizes clean energy generation, particularly in solar and wind infrastructure (source: ulteig.com). Ulteig's services include design engineering, program management, and technical field services, managing over 2,500 projects annually, showcasing its operational scale and expertise in the infrastructure domain.

Projects & Track Record

Ulteig manages a substantial portfolio of projects, averaging over 2,500 technical and field service projects each year, with a notable 13% year-over-year increase in project volume. The company has demonstrated its capability by working in 43 states and 2 provinces, with registered professional engineers in 48 states and 3 provinces, indicating a robust geographic presence and regulatory compliance (source: ulteig.com). Client satisfaction is a strong point for Ulteig, with over 98% of surveyed clients expressing a willingness to select the firm again, highlighting the quality of their project execution and client relationships.

Recent Developments

In January 2024, Ulteig launched PathFinder™, a software tool designed to assist utilities in evaluating emerging technologies, marking a significant step towards digitalization in their service offerings (source: ulteig.com). Additionally, in August 2023, the company appointed Alison Barie as Chief Financial Officer, indicating a strategic evolution in its financial management as it continues to grow. The firm has experienced a four-fold increase in employee count from 350 in 2015 to approximately 1,400 by 2024, reflecting the high demand for its services in the infrastructure market.

Working There

Ulteig employs a diverse range of professionals across various functional areas, including leadership roles such as Chief Operating Officer and Chief Financial Officer, as well as technical positions like design engineers and project managers. The company has 15 office locations, providing geographic flexibility for its workforce, and has been actively hiring, with an 18% year-over-year increase in headcount (source: linkedin.com). Ulteig has been recognized as one of the Best Places to Work, ranking #14 on Glassdoor's national list in 2023, which reflects its commitment to employee satisfaction and a positive workplace culture.


Last updated on Feb 23, 2026 | Report an issue

Job Description

Ulteig, and its affiliated companies, are hiring for a Senior Application Developer position within the Transportation & Water Team. This role will focus on leading a team of employees while supporting a growing portfolio of high-profile software development projects, allowing for additional and efficient team growth. This individual will interact across the Water and Environment department with hydrologic modelers, data scientists, and water resources engineers in a highly collaborative team environment. Senior Application Developers are self-starting technical leaders who bring expertise in leadership, communication, and resource management to ensure high-quality software deliverables and smooth project execution.

Successful applicants must be comfortable with a variety of technologies, including C#/ASP.NET (MVC/Core), SQL Server, and React.js, among others. Ulteig places a strong emphasis on developing and utilizing innovative approaches to solve water resources challenges and build efficiencies into every aspect of our work. Working for Ulteig assures access to and mentoring from national leaders and experts; experience working on important and high-profile projects; and close collaboration with amazing talent daily.

Please note that resumes must be submitted in English for the application to be considered

What You'll Do

Technical Leadership - 25%

  • Provides strategic direction, leadership, and technical oversight for software development team members
  • Lead technical team members towards achieving individual, team, department, and organizational performance goals.
  • Coach, train, and develop technical staff for growth opportunities.
  • Performs individual training and professional development for team members.
  • Oversees software development activities of team members.

Project Lead - 75%

  • Support development of software and applications using various technologies and frameworks
  • Support creation of data visualization front ends and tools
  • Support data analysis tasks, including synthesis of complex datasets
  • Prepare deliverables, including software documentation
  • Provides project oversight, including managing scope and budgets, creating staffing plans, and maintaining project schedules.
  • Maintains high levels of quality and responsiveness to meet internal and external client requirements in alignment with company expectations.
  • Responsible for performing code reviews and ensuring coding best practices are followed by team members
  • Coordinates water resources team members' activities surrounding quality assurance and testing before application release dates. Prioritize updates and bug fixes based on available resources and scope.
  • Additional duties may include tasks beyond what is listed, such as special projects, assisting colleagues, or new initiatives. A willingness to adapt to changing priorities and support team efforts enhances collaboration and growth opportunities.

What We Expect from You

  • 5+ years of experience in the software development industry required.
  • S. or B.A. from an accredited university a plus.
  • Ability to work in a hybrid mode schedule.
  • Must possess strong verbal and written English communication skills (CEFR level B2-C1). You should be comfortable articulating complex ideas and collaborating effectively within a global professional environment.
  • Experience in designing and building system architecture
  • Proven experience with C#, ASP.NET (MVC and/or Core), React.js, and Entity Framework
  • Experience with database architecture and performance (SQL Server, SQLite)
  • Experience with implementing SOLID and other design principles desired
  • Eagerness to learn new and challenging technologies and languages as needed
  • Experience with spatial technologies (e.g., Esri, QGIS, OpenLayers) is a plus
  • Must be comfortable working in a highly collaborative team environment
  • Ability to prioritize and multitask under strict deadlines
  • Demonstrated initiative and drive to succeed with new and challenging tasks
  • Strong interpersonal skills with the ability to establish and maintain effective working relationships with staff, management, public and external agencies
  • Must have authorization to work legally in Costa Rica for any employer.

As you consider applying for a position, we encourage you to think outside the box - because we do! You might not meet 100% of the skills listed in a description, but we are committed to hiring people with exceptional talent, ability, and potential, and then creating an environment where they can become the best versions of themselves. We don't want to miss out on the possibility of speaking with the next outstanding Ulteig team members, so please apply if you think this role is a great match for your unique skills and strengths.

What You Can Expect from Ulteig

Ulteig, and its affiliated companies, is a purpose-driven organization that has built a culture focused on people - both our clients and our employees -for over 80 years. Working at Ulteig is more than a job, opening opportunities to make an impact by creating and solving for a sustainable future. We recognize our success relies heavily on the dedication and focus of our workforce; this is why we make investing in our employees a top priority. We prioritize flexibility and staying connected to meeting your needs and help you achieve your goals. We value your unique perspective, respect your individuality, and celebrate your contributions. At Ulteig, we take our own success and the success of our clients personally.

We offer our team members:

  • Flexible Workplace
  • Competitive Pay
  • Comprehensive Benefits Package
  • Collaborative Environment
  • Innovative Culture

Our vision is to be the most trusted partners transforming our world's critical infrastructure. Ulteig, and its affiliated companies, connect people and resources to develop compelling, integrated solutions across multiple Lifeline Sectors®, including Power, Renewables, Transportation and Water. Ulteig is a trusted partner in engineering North America's essential infrastructure and leverages its expertise with a wide range of public and private clients.

At Ulteig and its affiliated companies, we care deeply about our team, listening to their needs and ensuring they have the tools necessary to be productive. Regardless of where you work, you are empowered to build a workday that best suits your strengths. We strive to ensure a balance and separation between home and work life. We support a flexible working schedule, so employees are able to focus on what's important to them.

If you would like to be a part of a company that empowers their employees, apply today!

Ulteig, and its affiliated companies, is a Drug Free Workplace

ACHIEVE | GROW | COLLABORATE

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 60 days until a qualified applicant is selected or the position has been cancelled.

Notice to Recruiters and Staffing Agencies: To protect the interests of all parties, Ulteig, nor any of its affiliated companies, will not accept unsolicited resumes from any source other than directly from a candidate or an approved vendor that has a written and signed agreement in place with Ulteig. Please do not contact or forward resumes to our company employees or locations. Any unsolicited resumes will be considered Ulteig property. Ulteig is not responsible for any charges or fees related to unsolicited resumes.

Apply now

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About the role

May 7, 2026

Full time

Company

May 7, 2026

Hybrid

Hydropower

Ulteig

ulteig.com

  •  San Pedro, Costa Rica

5+ years in software development

UTC-06:00