Custom Software Development

We build software that removes real operational friction.

Automation, client portals, review workflows, and operations platforms
scoped around a documented business process.

Request a Fit Call See Our Work ↓
WorkflowMapped before code
ScopeWritten before build
EvidenceBaseline before claims
HandoffTraining + documentation

Delivery standard

Scope before promises.

We map the workflow, confirm access and dependencies, and define acceptance criteria before implementation begins.

WorkflowDependenciesAcceptanceHandoff

Start Here

Point us at the bottleneck. We'll point you at the right next move.

Answer three quick questions. We'll steer you toward the best path: a strategy call, the ROI calculator, or a focused 57Seconds demo.

Step 1

What's hurting most right now?

The Problem

You've outgrown your tools. Now what?

01

Scattered data

A basic answer requires checking several systems, and the team no longer trusts that any one view is current.

02

Expensive busywork

Skilled people are spending their time on repetitive data entry and copying the same information between systems.

03

The Sarah problem

All institutional knowledge lives in one person's head. When Sarah's out sick, everything stops.

04

Apps that don't talk

Your CRM, scheduling tool, invoicing app, and comms platform all run in isolation. You're the glue.

05

Invisible online reputation

Your team delivers great service but nobody's leaving reviews. Competitors with worse service outrank you on Google.

06

The founder's trap

You built the business. Now the business runs you. You can't take a vacation without it breaking down.

What We Build

Software for how your
business actually works.

Each engagement is scoped to the workflow, dependencies, and operating constraints we confirm with you.

⚡

Custom Web Apps

Dashboards, internal tools, and operations platforms built for how your team actually works — not how some template assumes you do.

🔄

Workflow Automation

Automated lead routing, invoice generation, status updates, and reporting. Remove the manual steps that slow your team down every day.

🏠

Client Portals

White-labeled login experiences that make your clients feel like they're using enterprise software. Build trust, reduce support calls.

Flagship Product
57Seconds

57Seconds — Review Growth

A configurable, agent-specific review workflow for eligible customer interactions, with a direct path to share feedback on Google.

See the work samples →
🔌

Data Integrations

Connect your CRM, scheduling tool, billing system, and comms apps into a single source of truth. One place. One version of reality.

📈

CRM & Ops Platforms

Consolidate spreadsheet-heavy operations into a purpose-built system for leads, pipelines, workflows, and reporting.

New Built an app in Claude, ChatGPT, Lovable, Replit, Bolt, or v0?We help turn the prototype into a product real people can use. AI Prototype to Production →
57 57Seconds — Review Growth System

Make review follow-up
part of the workflow.

For eligible interactions, a configured workflow can send a personalized SMS with a direct review link and agent attribution. Trigger rules and integrations are confirmed before rollout.

  • Agent-specific review landing pages
  • SMS delivery based on agreed eligibility and trigger rules
  • Management dashboard with per-agent performance data
  • Google Sheets integration for reporting at a glance
  • Fit and integration requirements confirmed during discovery
Request a Demo

Implementation scope

Trigger → Message → Landing page → Reporting

The exact sequence depends on available call events, consent requirements, messaging access, and reporting needs.

Work Samples

Recorded scope. Honest evidence limits.

Proof standard

These anonymized summaries reflect internal portfolio descriptions, not client endorsements. Client identities, logos, attributed feedback, and quantified outcomes are withheld until source records and publication permission are retained.

Benefits enrollment contact center

Review workflow Agent-specific follow-up + reporting

Agent Review Request System

The portfolio record describes personalized landing pages, post-interaction SMS requests, and management reporting. Client acceptance, current production status, and outcome data are not retained in this repository.

AutomationSMSReporting
Read the evidence-limited case study →

Data-recovery service provider

Digital program Website + SEO + review operations

Website, Search, and Review Workflow

The portfolio record describes a website overhaul, technical SEO work, marketing workflow changes, and an agent-attributed review request system. Traffic, ranking, productivity, review, and revenue outcomes are not presented.

WebsiteSEOReview Workflow
Read the evidence-limited case study →

Additional work samples

Scope is separated from outcomes so the evidence boundary stays visible.

How We Work

No mystery. Clear delivery stages.

01

Discover

We map your workflow, find the exact bottlenecks costing you time and money, and define what the solution needs to do. No sales pitch — just clarity.

02

Build

We build a lean, custom solution scoped to your real needs. No unnecessary features, no off-the-shelf templates — just software your operation actually requires.

03

Launch

We release against the agreed acceptance criteria, document the system, and train the people responsible for operating it.

Mutual Fit

Some projects move fast. Some should wait.

The best engagements start with a clear bottleneck, an owner on your side, and a first version that's worth shipping now.

Good fit

  • You can point to a real bottleneck costing time, revenue, or trust.
  • You want a sharp first release, not a giant 12-month rewrite.
  • Someone on your team can own feedback and decisions during the build.
  • You care about outcomes, not just buying dev hours.

If this sounds like your situation, an initial call can clarify whether there is enough information to define a focused first version.

Book the Right-Sized Call

ROI Calculator

Need the numbers before the meeting?

Use our custom software ROI calculator to estimate payback timing, see whether a lightweight build or deeper platform makes sense, and walk into the call with a sharper business case.

Try the ROI Calculator Book a Strategy Call

Run a 30-second estimate

Monthly waste $11,258
Annual opportunity $135,096
Suggested first move Hybrid build

Directional estimate only. The full calculator lets you pressure-test scope and payback more precisely.

Best for owners asking:

  • Will custom software actually save enough to justify the build?
  • Should we automate one workflow first or replace the whole process?
  • How fast could this pay back if we get the scope right?

The Team

Built by people who've done it before.

Gera Yeremin

Gera Yeremin

Founder & Lead Developer

Hands-on experience shipping custom software built around real operating constraints. Co-founder of 57 and the 57Seconds review engine. I build the tools we use every day to improve our own business — and our clients'.

Advocating for local business growth across Sonoma County & Bay Area Tech Hubs.

🌐 in
Arsen Yeremin

Arsen Yeremin

Fractional CTO & AI Specialist

Technologist focused on AI and machine learning, CRM systems, CMS platforms, and e-commerce. Arsen supports architecture reviews and technical delivery decisions.

in

Common Questions

Straight answers. No fluff.

Do you work with businesses outside of Sonoma County? +

Coverage and working format depend on the engagement. Confirm both in the written scope before work begins.

What does a custom software project typically cost? +

Cost depends on scope, integrations, and delivery risk. A responsible quote requires a defined deliverable, known dependencies, and explicit assumptions.

How long does a project take to ship? +

Timeline depends on scope, dependencies, and access to the systems involved. We agree on milestones before work starts and prioritize a useful first release.

Do you integrate with Salesforce, QuickBooks, or Google Sheets? +

We can assess tools that offer supported APIs or webhooks. Exact feasibility, permissions, rate limits, and data availability are confirmed during discovery before an integration is promised.

Explore More

Guides for the next decision.

Choose a regional service guide or prepare an AI-built prototype for review.

Regional guide

Sonoma County custom software development

Automation, dashboards, and internal tools for Sonoma County operators who are outgrowing spreadsheets and stitched-together SaaS.

 Regional guide

Bay Area business automation

Process automation and client systems for Bay Area teams dealing with operational drag, duplicated work, and brittle handoffs.

 AI product guide

AI prototype to production

Turn a Claude or AI-built demo into an owned product with dependable access, data, testing, releases, and operations.

 Regional guide

Silicon Valley software consulting

Platform engineering, internal tools, and focused implementation support for product teams.

 12-part checklist

AI app readiness and security

Collect evidence for ownership, access, secrets, data, AI authority, dependencies, testing, releases, and recovery.

 Decision and cost guide

Repair or rebuild an AI-built app?

Compare keep, repair, partial replacement, rebuild, and validate-first paths against the same production release.

 Tool

Custom software ROI calculator

Estimate payback timing, compare build-versus-buy paths, and give Google a clearer internal route to the ROI calculator subdomain.

Let's Talk

Ready to build
something better?

Tell us about your situation. The first conversation should clarify whether there is a fit and what evidence is needed before scope or results are promised.

Request a Fit Call

Meeting format and availability are confirmed when scheduled.

ROI Request Call