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Government · Software Engineering

Software Development for Government

By the Appsierra Quality Engineering Desk
Reviewed by senior engineers · Updated August 2026

Software development for government is the practice of building public-sector systems that can be accredited, audited and used by everyone. It covers Section 508 and ADA Title II accessibility, NIST 800-53 aligned controls and the evidence an authorisation process consumes, records retention obligations, and delivery that fits public procurement rather than fighting it.

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AT A GLANCE
Industry
Government
Service
Software Engineering
Standards in scope
6
Questions answered
4
Updated
August 2026
A pod that already knows the constraint that changes the work in this sector.

Key Government testing & engineering challenges

Producing the control evidence an authorisation package consumes, alongside the software
Meeting Section 508 and ADA Title II accessibility obligations with fixed deadlines
Designing retention and audit trails that satisfy records and public-disclosure law
Integrating with long-lived legacy systems that cannot be replaced on the project timeline
Delivering incrementally inside procurement structures built for fixed scope

Standards & regulations we test against

Section 508 (WCAG 2.0 AA)ADA Title II (WCAG 2.1 AA)NIST SP 800-53FISMAFedRAMP / GovRAMP (formerly StateRAMP)NIST AI RMF

Key takeaways

Accessibility is mandatory and enforceable in public-sector software, with fixed compliance dates.
Authorisation is a documentation exercise as much as a technical one — produce evidence continuously.
Records retention and public-disclosure law constrain what you may delete and when.
Appsierra is not a FedRAMP-authorised provider and does not issue authorisations — we build to the controls.

What makes public-sector software different?

The user base is everyone, and that is not a slogan — a public service must work for people using assistive technology, on old devices, on poor connections, and without the option of choosing a competitor. Accessibility and resilience therefore stop being quality attributes and become the core requirement.

The second difference is that the system must be explainable to people who will never read the code: auditors, oversight bodies, and members of the public exercising disclosure rights. Decisions need records, records need retention, and retention needs to be designed rather than inherited from a default database configuration.

How does the authorisation process shape engineering?

Public-sector systems are typically assessed against a control framework — most commonly NIST SP 800-53, applied through FISMA at federal level, through FedRAMP for cloud services, or through GovRAMP (formerly StateRAMP) at state and local level. The assessment consumes evidence: control descriptions, configuration baselines, vulnerability management records, access reviews and incident procedures.

Teams that treat this as a phase after development pay for it twice. The workable approach produces evidence continuously — infrastructure as code that maps to controls, automated configuration checks, and documentation generated from the same source of truth as the deployment. That turns an authorisation package into an export rather than an archaeology project.

What is Appsierra's honest scope here?

We are an engineering partner. **Appsierra is not a FedRAMP-authorised cloud service provider, is not a Third Party Assessment Organization, and does not issue or sponsor authorisations.** We build systems to the control frameworks above and produce the technical evidence an assessment consumes, working alongside whoever holds the authorisation boundary.

We say this plainly because the alternative — implying an accreditation we do not hold — would be both dishonest and quickly discovered. Where a programme genuinely needs an authorised provider, that is a procurement decision, and we would rather tell you at the outset than during an assessment.

Frequently asked questions

Is Appsierra FedRAMP authorized?
No. Appsierra is not a FedRAMP-authorised cloud service provider, is not a Third Party Assessment Organization, and does not issue or sponsor authorisations. We are an engineering partner: we build systems aligned to NIST SP 800-53 and related control frameworks and produce the technical evidence an assessment consumes, working alongside whoever holds the authorisation boundary.
What accessibility rules apply to government software?
Section 508 requires WCAG 2.0 Level AA for federal agencies and their suppliers. The Department of Justice's ADA Title II rule applies WCAG 2.1 Level AA to state and local government entities, with compliance dates of 26 April 2027 for larger public entities and 26 April 2028 for smaller ones. Accessibility should be an acceptance criterion and a pipeline check, not a pre-launch audit.
How do you build for an authorisation process?
By producing control evidence continuously rather than assembling it at the end. That means infrastructure as code mapped to specific controls, automated configuration and vulnerability checks, access reviews on a schedule, and documentation generated from the same source of truth as the deployment. The authorisation package then becomes an export of what you already do rather than a separate project.
How do you deliver incrementally under fixed-scope procurement?
By agreeing outcome-based milestones and a prioritised backlog inside the contracted scope, so sequencing can flex even when total scope cannot. Working software at each milestone gives oversight bodies something real to assess, and reduces the risk concentrated in a single end-of-contract delivery — which is where large public programmes most often fail.
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