This Subcontract opportunity from Department Of Defense was posted on April 14, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

System Integration and API Development

Closed

Federal

Submission Closed04/27/2026, 10:00:00 PM EDT

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

Payroll and Benefits Software IntegrationThis subcontract for Payroll and Benefits Software Integration involves providing technical consulting and software integration services for prime contractors working with the Texas Comptroller of Public Accounts. The primary objective is to collaborate with the Employees Retirement System of Texas to implement functional software processes that enable current and retired employees to make contributions via annuity funds and benefits check-offs. The project falls under NAICS code 541511 and is managed through the Texas Comptroller of Public Accounts. Interested parties should note the response deadline of December 1, 2026, with the final deliverable being a fully operational software integration process.

Comptroller of Public Accounts

POSTED

DEADLINE

Website Maintenance and Digital Content ManagementThis subcontract for the Texas Comptroller of Public Accounts focuses on the ongoing maintenance and digital content management of the official SECC website. The selected prime contractor will be responsible for ensuring the site remains fully functional, secure, and accessible while updating content based on Committee recommendations to effectively promote charitable giving. The project falls under NAICS code 541511 and was posted on November 6, 2026, with a response deadline of December 1, 2026. Interested parties can find further details through the Texas SmartBuy portal.

Comptroller of Public Accounts

POSTED

DEADLINE

HL7 Interface Maintenance and Integration ServicesThis subcontract for HL7 Interface Maintenance and Integration Services supports prime contractors on projects for the Texas Health and Human Services Commission. The primary objective is to maintain and manage communication interfaces between the Laboratory Information System and various laboratory instruments or other system applications. The scope of work focuses on ensuring seamless functionality and strict adherence to HL7 standards to deliver fully operational and compliant system interfaces. The opportunity is categorized under NAICS code 541511 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 9, 2026. Further details regarding this procurement can be accessed through the Texas SmartBuy portal.

Health and Human Services Commission

POSTED

DEADLINE

Data Migration and Systems IntegrationThis subcontract focuses on the migration of legacy traffic data and the integration of Advanced Traffic Management Systems with existing infrastructure for prime contractors on Illinois Department of Transportation projects. The scope of work includes developing comprehensive data conversion plans, mapping legacy data to new schemas, and creating interface plans to ensure seamless connectivity with third-party transportation services using large-scale government data migration methodologies. The final deliverables consist of a fully migrated database and active system interfaces. Managed under the Finance and Administration agency for the state of Illinois, the project falls under NAICS code 541511. The solicitation was posted on November 6, 2026, with a response deadline set for December 21, 2026.

FINADMIN494 - Finance & Administration

POSTED

DEADLINE

ATMS Software Development and UI/UX DesignThis subcontract focuses on the design, development, and customization of Advanced Traffic Management Systems software for prime contractors working on Illinois Department of Transportation projects. The scope of work includes creating user interfaces designed to reduce data entry and issue identification time, as well as building specialized modules for asset management and system monitoring. The project adheres to strict systems engineering processes, progressing from Concept of Operations to functional requirements to ensure the successful delivery of the software application and associated reporting modules. Managed under the Finance and Administration agency for the state of Illinois, the opportunity is categorized under NAICS code 541511. The solicitation was posted on November 6, 2026, with a response deadline set for December 21, 2026. Interested parties can find further details through the official BidBuy portal.

FINADMIN494 - Finance & Administration

POSTED

DEADLINE

Platform Implementation and Data Migration SpecialistThe Platform Implementation and Data Migration Specialist subcontract supports prime contractors on communications projects for the Georgia Department of Natural Resources. The scope of work focuses on the technical setup and configuration of production environments, including the mapping of user permissions, account configuration, and the migration of campaign data. Additionally, the specialist is responsible for developing communication templates and configuring and testing API integrations between middleware and existing agency systems. This opportunity is categorized under NAICS code 541511 and was posted on November 6, 2026, with a response deadline of November 20, 2026. The ultimate goal of the engagement is to deliver a fully populated, tested, and operational production environment for the agency.

Department of Natural Resources

POSTED

DEADLINE

Secure Connection Portal

Solicitation # TWC001904

The Borough of Telford & Wrekin is seeking a UK-based supplier for the provision, hosting, support, and maintenance of a Secure Connection Portal. This secure software solution is designed to centralize the management of venue, event, tourism, and community information, allowing partners and venue operators to maintain data in a single location that automatically syncs with Council systems and third-party platforms. A critical technical requirement is the ability to integrate seamlessly with the Council's existing infrastructure and the Visit Telford Simpleview platform via APIs and established data-sharing mechanisms to reduce administrative duplication and improve data accuracy. The contract, identified by solicitation number TWC001904, has an estimated value of 20,000 GBP excluding VAT. It features an initial 12-month term running from November 30, 2026, to November 29, 2027, with the possibility of three additional 12-month extensions based on funding and performance, potentially extending the agreement to November 29, 2030. The procurement is conducted as a below-threshold open competition, with the final award criteria weighted at 75% for quality and 25% for price. The submission deadline for interested suppliers is November 10, 2026.

Borough of Telford & Wrekin

POSTED

DEADLINE

Case Management System and Customer Portal DevelopmentThis subcontract focuses on the development and implementation of a custom Case Management System and Customer Portal designed for prime contractors working on Department for the Economy projects. The scope of work involves designing software solutions specifically tailored for tribunal operations, ensuring that there is secure and efficient customer-facing portal access. The ultimate goal is the delivery of a fully operational system that streamlines case management and enhances user interaction. To ensure high standards of security and data protection, the selected provider must hold ISO/IEC 27001:2022 and Cyber Essentials Plus certifications. Interested parties must submit their responses by December 4, 2026, in accordance with the solicitation posted on November 6, 2026. The project falls under NAICS code 541511, emphasizing the requirement for professional custom computer programming services.

Department for the Economy

POSTED

DEADLINE

Digital Learning Platform Development & HostingThis subcontract involves the development and hosting of a digital learning platform designed for prime contractors managing British Council teacher-led training projects in Colombia. The selected provider will be responsible for provisioning a cloud-hosted infrastructure and Learning Management System that integrates English learning materials and supports specific teacher-led training workflows. The final deliverable is a fully operational online platform that ensures seamless virtual content access while adhering to all British Council procurement standards. The project is categorized under NAICS code 541511 and was posted on November 6, 2026, with a response deadline of December 2, 2026. Managed by the British Council, the contract focuses on the technical implementation of digital education tools to facilitate language training. Interested parties must ensure their proposal meets the specified technical requirements for hosting and content integration to support the educational objectives in Colombia.

POSTED

DEADLINE

Multimedia Indexing and Retrieval Software DeveloperThis subcontract involves providing specialized software development and consulting services to prime contractors supporting the West Yorkshire Fire and Rescue Authority. The primary objective is the delivery of a functional software system designed for the efficient indexing and retrieval of multimedia content. Key technical responsibilities include developing and configuring software to manage video and image libraries, creating detailed indexing schemas, and utilizing Multimedia Database Management Systems and API integration tools to ensure seamless asset retrieval. The opportunity is categorized under NAICS code 541511 and was posted on November 6, 2026, with a response deadline of December 1, 2026. Interested parties must provide the technical expertise necessary to build a robust multimedia management infrastructure that meets the specific operational needs of the West Yorkshire Fire and Rescue Authority.

West Yorkshire Fire and Rescue Authority

POSTED

DEADLINE

SCADA & PLC Programming ServicesThis subcontract for SCADA and PLC Programming Services supports wastewater projects for the Ontario County Department of Public Works in New York. The selected provider will work under prime contractors to develop PLC logic, configure HMI graphics, and establish data transmission protocols. All technical work must adhere to ISA S5.1 and IEEE 802.3 standards, with final deliverables including functional software, HMI configurations, and comprehensive technical documentation. The opportunity is categorized under NAICS code 541511 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 15, 2026.

Department of Public Works

POSTED

DEADLINE

Custom AI Software Development and ImplementationThis subcontract for Custom AI Software Development and Implementation involves the design, development, and integration of AI-driven software for prime contractors working on Gateshead Borough Council projects. The scope of work encompasses the full software development life cycle, including the creation of custom AI applications, the integration of third-party software, and the deployment of models into existing IT infrastructure. Technical requirements include the use of LLM APIs, data pipelines, and cloud infrastructure across Azure, AWS, or GCP to deliver fully functional systems and comprehensive technical documentation. The opportunity was posted on November 6, 2026, with a response deadline of December 7, 2026. Classified under NAICS code 541511, the contract focuses on specialized software development to enhance the digital capabilities of the council's infrastructure. Interested parties can find further details through the provided government tender link.

Gateshead Borough Council

POSTED

about 14 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The System Integration and API Development subcontract, issued by the Department of Defense under agency FA7014 Afdw Pk, focuses on the creation of secure APIs and webhooks. The primary objective is to integrate advanced AI solutions with various enterprise systems, specifically targeting CRM, HR, telephony, and case management platforms. This opportunity is categorized under NAICS code 541511 and will be performed in Washington, DC. Interested parties must submit their responses by the deadline of April 28, 2026, following the posting date of April 14, 2026.