Modern Software Development

Tetra Tech provides enterprise-scale, advanced system development capabilities to consolidate, modernize, and retire legacy systems using agile development practices and a continuous delivery pipeline approach.

Tetra Tech has more than 40 years of experience delivering a full range of modern software development services and has delivered more than 100 enterprise systems using our agile Capability Maturity Model Integration (CMMI) Maturity Level 4 appraised software development methodology. Tetra Tech specializes in application modernization, including the consolidation and replacement of legacy systems and the development of enterprise-scale systems to power the core of businesses. We utilize commercial off-the-shelf (COTS) software, open source technologies, and low-code platforms to integrate our clients into our agile system development process. This approach allows us to develop systems up to 75 percent faster than using traditional development toolsets. We provide the following services:

  • System definition
  • Design
  • Development
  • Functional, performance, and security testing
  • Acceptance and accreditation
  • Implementation

Development activities are iterative and automated using major development tool suites, including our innovative open source tools. We pride ourselves on providing complete transparency into this process and provide the client project information, from project reports to testing results and source code, through a single dashboard.

Tetra Tech is an agile adoption specialist and has shepherded multiple clients through their first enterprise-scale, agile-based programs. In addition, we scale our development processes to efforts that require modernization to the cloud, and have expertise in Amazon, Azure, and Google.

Our team of system development experts creates enterprise systems that combine the full scope of Tetra Tech’s technology offerings, including data science and analytics, data management, geographic information systems (GIS), Internet of Things, and data warehousing.