This Government Contract opportunity from California was posted on April 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Custom Software Development and System Integration Services

Closed

State & Local

Submission Closed05/20/2026, 10:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 541511

New

SLED

Website Development Planner & Technical ArchitectThis subcontract opportunity is for a Website Development Planner and Technical Architect to support prime contractors on event planning projects for the County of Hawaii. The selected provider will be responsible for developing comprehensive technical specifications and strategic roadmaps, specifically focusing on the creation of a Website Development Plan. Key tasks include defining technical requirements for event websites and mapping detailed user journeys tailored for both vendors and tourists. Qualified candidates must possess demonstrated experience in technical specification writing for event-based websites. The primary deliverable for this engagement is a finalized Website Development Plan inclusive of all necessary technical specifications. Interested parties should note the response deadline of November 28, 2026, for this project categorized under NAICS code 541511.

Research and Development

POSTED

DEADLINE

Web Development & Technical ImplementationThis subcontract for Web Development and Technical Implementation involves providing specialized coding and implementation services for the College of New Caledonia. The selected provider will support prime contractors by executing front-end development using HTML, CSS, and JavaScript, while configuring the CMS architecture to align with the Future State Roadmap. Key deliverables include a fully functional, deployed website that ensures cross-browser responsiveness and adheres to WCAG accessibility standards. The opportunity is categorized under NAICS code 541511 and is associated with the Province of British Columbia in Canada. Interested parties must submit their responses by the deadline of November 25, 2026.

College of New Caledonia

POSTED

DEADLINE

DVR Control System Software Engineering & QAThis subcontract, issued by the Nebraska Public Power District, focuses on the software engineering and quality assurance for the DVR control system at the Cooper Nuclear Station. The scope of work involves the full software development lifecycle, including requirements analysis, computing system design, coding, and testing. Key technical responsibilities include configuring software variables for specific engineering units such as Volts, Amps, and MVAR, as well as implementing a rigorous software quality assurance program and a Traceability Matrix to manage test anomalies. The selected contractor is responsible for delivering fully functional software along with comprehensive operation, maintenance, and training documentation. This project falls under NAICS code 541511 and requires the contractor to support prime contractors on critical nuclear station projects. The response deadline for this opportunity is January 14, 2027.

Nebraska Public Power District

POSTED

DEADLINE

IT Infrastructure & Payment Portal DevelopmentThis subcontract opportunity involves the development, maintenance, and support of multi-channel engagement platforms and online payment portals for prime contractors working on Maryland Transportation Authority debt collection projects. The scope of work includes implementing secure online payment gateways, creating digital communication tools, and managing ongoing software releases and bug fixes. To ensure effective debt portfolio management, the project requires the utilization of secure database systems to deliver a fully functional and protected payment and communication infrastructure. The project falls under NAICS code 541511 and is associated with the Maryland Transportation Authority. Interested parties should note that the response deadline is December 15, 2026. This engagement focuses on enhancing the digital capabilities of debt collection processes through robust IT infrastructure and secure financial transaction portals.

Maryland Transportation Authority

POSTED

DEADLINE

Environmental Compliance and Tracking SoftwareThis subcontract for Environmental Compliance and Tracking Software supports prime contractors on Ohio EPA hazardous waste projects. The selected provider will implement a barcode-based tracking system and a cloud-based database to maintain digital records of materials from initial intake through final disposal. A primary objective of the contract is to ensure the verification of the AFFF lifecycle through the generation of detailed compliance reports for the State of Ohio and the EPA. The scope of work requires the delivery of a fully functional chain-of-custody tracking system and the provision of final reporting logs. This effort falls under NAICS code 541511 and is managed by the Administrative Services, EPA-Environmental Protection Agency. Interested parties should note the response deadline of November 23, 2026.

Administrative Services, Epa-environmental Protection Agcy

POSTED

DEADLINE

ATMS Software EnhancementsThe ATMS Software Enhancements subcontract focuses on the development and implementation of new features, functional enhancements, and custom code updates for prime contractors working on Mississippi Department of Transportation projects. The scope of work encompasses the full software development life cycle, including requirements gathering, coding, testing, and deployment. These activities will be executed using ATMS development environments and API integrations to deliver updated software modules and comprehensive technical documentation. A critical requirement for this engagement is that the contractor must obtain OEM authorization before performing any code modifications. This opportunity is categorized under NAICS code 541511 and is associated with the state of Mississippi. Interested parties should note the response deadline of November 10, 2026.

POSTED

DEADLINE

Ellucian Banner Integration Specialist

Framingham State University

POSTED

DEADLINE

Web Accessibility and Digital ImplementationThis subcontract for Web Accessibility and Digital Implementation involves the development and deployment of web-accessible systems for prime contractors supporting University of Akron attendance campaign projects. The selected provider is responsible for creating digital content that strictly adheres to WCAG 2.0 Level A and AA criteria, ensuring all deliverables are inclusive and accessible. Key requirements include conducting comprehensive accessibility audits using specialized testing tools and providing a completed Voluntary Product Accessibility Template. The final deliverables consist of the fully implemented web-accessible digital systems and the corresponding VPAT documentation.

The University of Akron

POSTED

DEADLINE

Document Management & Automated Correspondence Module

Rent Stabilization Department

POSTED

DEADLINE

Municipal Data Integration Services

Rent Stabilization Department

POSTED

DEADLINE

Rental Registry Portal & Property Tracking System Development

Rent Stabilization Department

POSTED

DEADLINE

BHS System Implementation

City of San José - Purchasing

POSTED

about 22 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The contract seeks a subcontractor to develop custom software modules and integrations with existing City systems such as GIS and ERP platforms, while also configuring workflows within the AECO SaaS platform to support operational efficiency. The work involves tailoring software solutions to align with the City’s specific needs, ensuring seamless data exchange and process automation across interconnected systems. This is a subcontract under the NAICS code 541511 for custom software development, and it is posted by the Information Services Department of California with a response deadline of May 20, 2026. The place of performance and point of contact details are not specified, and the solicitation is accessible through an online procurement portal.