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Home Blog Engineering

Engineering

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Workflow and BPM Process Improvement Project Management HR Management Customer Success Tallyfy Case Studies
  • Launching a process with no template - when structure gets in the way
    Jan 6, 2026 · Amit Kothari · Engineering

    Launching a process with no template - when structure gets in the way

    Sometimes you need to bundle tasks together without the overhead of creating a template first. Tallyfy built ad-hoc processes using a single API parameter flag to handle exactly this scenario for operations teams.

    engineeringworkflow-without-templatebundle-tasks-workflowad-hoc-task-grouping
  • AI-driven process creation - when GPT meets workflow design
    Jan 6, 2026 · Amit Kothari · Engineering

    AI-driven process creation - when GPT meets workflow design

    The internal story of building AI template generation at Tallyfy. AI creates steps but misses 50 to 70 percent of template value. Real GitHub issues, real performance data, and why human oversight is non-negotiable.

    engineeringai-workflow-generationprocess-automation-aitemplate-builder
  • Advanced task settings - the hidden power users discover
    Jan 6, 2026 · Amit Kothari · Engineering

    Advanced task settings - the hidden power users discover

    Most Tallyfy users never open the Advanced tab. Settings like guest assignment, skip rules, and completion windows evolved from a 2016 proposal by Pravina into features that fundamentally change how work flows through an organization.

    engineeringworkflow-task-settingshidden-power-user-featuresadvanced-step-configuration
  • Adding steps to a process using AI - and where it fails
    Jan 6, 2026 · Amit Kothari · Engineering

    Adding steps to a process using AI - and where it fails

    AI can generate workflow steps, but Tallyfy engineering found it misses 50-70% of what makes a process useful. Form fields, automations, and context-specific logic still need human design.

    engineeringai-workflow-generationai-step-creation-limitsworkflow-ai-failures
  • Assignment rules that adapt to form answers
    Jan 6, 2026 · Amit Kothari · Engineering

    Assignment rules that adapt to form answers

    How Tallyfy built dynamic task assignment rules based on form field values from 2017 through 2019. The Nashville problem, the guest email question, and why Assign and Assign Only became two different operations.

    engineeringdynamic-task-assignmentauto-assign-based-on-form-inputconditional-assignment
  • Designing API endpoints and headers to prevent abuse
    Jan 6, 2026 · Amit Kothari · Engineering

    Designing API endpoints and headers to prevent abuse

    After an attacker sent 10,000+ phishing emails through our system, we rebuilt how we think about API security. The patterns we learned: database-based rate limiting, tenant validation on every request, and why Redis alone is not enough.

    engineeringapi-endpoint-abuse-preventionrate-limiting-designmulti-tenant-security
  • Audit trails that actually get used for compliance
    Jan 6, 2026 · Amit Kothari · Engineering

    Audit trails that actually get used for compliance

    Every workflow tool claims audit trails. Tallyfy built compliance-grade audit logging after real SOC 2 and ISO 27001 security assessments revealed what auditors actually check. One law firm doubled case capacity per attorney with proper audit trails. The gap between activity history and compliance-grade audit trails is wider than most teams expect.

    engineeringworkflow-audit-trailcompliance-logging-designactivity-history-tracking
  • Automated translation using Azure - scaling to 6 languages
    Jan 6, 2026 · Amit Kothari · Engineering

    Automated translation using Azure - scaling to 6 languages

    When a large enterprise needed to translate English playbooks to save millions in translation costs, we built Azure Cognitive Services integration covering 838 translation keys across 7 languages. Here is what we learned.

    engineeringazure-translation-integrationmulti-language-workflowlocalization-saas-product
  • Why BPMN looked good but did not work for us
    Jan 6, 2026 · Amit Kothari · Engineering

    Why BPMN looked good but did not work for us

    Tallyfy rejected BPMN notation in April 2017 after internal debates showed flowcharts fail on mobile devices. The if-this-then-that rule system replaced traditional process notation, and the unreleased Flowtable concept shaped how the product handles process data density.

    engineeringbpmn-alternativeif-then-workflow-rulesprocess-visualization
  • Button clicks that feel satisfying
    Jan 6, 2026 · Amit Kothari · Engineering

    Button clicks that feel satisfying

    Why the moment between clicking a button and seeing a result matters more than most teams realize. The Material Design team led by Matias Duarte at Google showed that feedback within 100ms is critical. Pre-click hover effects and post-click feedback shape whether software feels alive or dead.

    engineeringworkflow-button-designsatisfying-click-feedbackpre-click-hover-effects
  • The single Create button that changed everything
    Jan 6, 2026 · Amit Kothari · Engineering

    The single Create button that changed everything

    In October 2017, Tallyfy designer Thomas sketched a three-option Create button on a whiteboard. Why a single prominent action beats scattered options, and how color and hierarchy drive user behavior.

    engineeringworkflow-creation-UXprominent-create-actionsingle-create-button
  • Conditional visibility that does not break your workflow
    Jan 6, 2026 · Amit Kothari · Engineering

    Conditional visibility that does not break your workflow

    The internal design debates at Tallyfy on conditional visibility for workflow steps since 2016. Why step-level rules beat process-level rules, and how to visualize conditionals without becoming a flowchart tool.

    engineeringconditional-step-visibilityhide-show-workflow-stepsdynamic-workflow-paths
  • CSS-driven branding without breaking the product
    Jan 6, 2026 · Amit Kothari · Engineering

    CSS-driven branding without breaking the product

    Tallyfy used TinyColor brightness detection to build CSS-driven branding that lets organizations customize logos and colors on guest-facing workflows without creating unreadable text or broken interfaces.

    engineeringworkflow-branding-customizationcss-white-label-productbrand-customization-saas
  • Deadline rules that calculate from user input
    Jan 6, 2026 · Amit Kothari · Engineering

    Deadline rules that calculate from user input

    How Tallyfy built deadline rules that calculate task due dates from form field values. A customer on a 100% discount forced this feature, resulting in four distinct rule types and months of timezone debugging.

    engineeringcalculated-deadlines-workflowdeadline-based-on-form-fielddynamic-due-dates
  • Edit a template without breaking running processes
    Jan 6, 2026 · Amit Kothari · Engineering

    Edit a template without breaking running processes

    When you change a workflow template, what happens to the 47 processes already running? Most tools force you to choose: freeze your template or risk breaking active work. Tallyfy built a dual-version system where draft edits never touch the published version that running processes depend on.

    engineeringworkflow-draft-modetemplate-versioningedit-workflow-without-breaking
  • Why we obsess over empty states
    Jan 6, 2026 · Amit Kothari · Engineering

    Why we obsess over empty states

    What users see when there is nothing to see reveals product philosophy. At Tallyfy, reducing 47 features to three initial choices taught us that empty states are the highest-stakes design moment in any workflow tool.

    engineeringworkflow-empty-statezero-state-designfirst-time-user-workflow
  • When disabled members need force reassignment
    Jan 6, 2026 · Amit Kothari · Engineering

    When disabled members need force reassignment

    What happens to Tallyfy task assignments when someone leaves? Force reassignment transfers all active tasks to the admin who disabled the member. Completed tasks keep the original owner for audit trail purposes.

    engineeringdisabled-user-workflowreassign-tasks-when-user-leavesautomatic-reassignment
  • Form field validation that catches errors before submit
    Jan 6, 2026 · Amit Kothari · Engineering

    Form field validation that catches errors before submit

    Building real-time validation at Tallyfy that tells users what is wrong before they hit save. The internal debates on extensibility, custom rules, and why an infinite set of validations forced us to think differently.

    engineeringform-field-validationreal-time-input-validationdata-validation-extensions
  • Four types of rules and why they must run independently
    Jan 6, 2026 · Amit Kothari · Engineering

    Four types of rules and why they must run independently

    After seven years of iteration starting in 2016, we discovered that mixing workflow rule types in Sherlock creates unpredictable conflicts. The solution was four independent types: visibility, assignment, deadline, and status rules that execute in parallel.

    engineeringworkflow-rule-typesvisibility-rulesassignment-rules
  • When a guest forgets which email they used
    Jan 6, 2026 · Amit Kothari · Engineering

    When a guest forgets which email they used

    The surprisingly tricky problem of email identity for external workflow participants. At Tallyfy, when someone clicks Forgot Guest Link, the system must resolve 4 possible identity states to determine if they are a guest, a member, or both across different organizations.

    engineeringguest-email-workflowexternal-collaborator-trackingemail-based-workflow-access
  • What guests can watch and what they cannot
    Jan 6, 2026 · Amit Kothari · Engineering

    What guests can watch and what they cannot

    The permission model for letting external participants follow workflow updates without exposing your entire organization. When guests watch a process in Tallyfy, they only see updates for tasks they are assigned to - never the hidden steps.

    engineeringworkflow-watch-permissionsguest-notification-settingsexternal-user-notifications
  • Guests who never need to create an account
    Jan 6, 2026 · Amit Kothari · Engineering

    Guests who never need to create an account

    The design philosophy behind letting external people participate in your workflows without accounts or passwords. Pravina and the engineering team at Tallyfy share real debates, sketches, and security lessons from building guest access since October 2016.

    engineeringguest-access-workflowexternal-user-workflowno-login-workflow-access
  • Why kanban sounds great but does not scale for workflows
    Jan 6, 2026 · Amit Kothari · Engineering

    Why kanban sounds great but does not scale for workflows

    Kanban boards look beautiful in demos. Three columns, cards moving left to right, visual satisfaction. But when you have 10+ task states, multiple processes running simultaneously, and people need to edit data inline, the card metaphor falls apart. At Tallyfy, we learned this the hard way.

    engineeringworkflow-trackingtable-viewkanban-limitationsproduct-design
  • Magic links that launch processes without authentication
    Jan 6, 2026 · Amit Kothari · Engineering

    Magic links that launch processes without authentication

    How Tallyfy designed magic link authentication for single-click process initiation from email. No login wall. The 6-step token validation chain behind public kickoff forms shows why anonymous form submissions required rethinking security assumptions.

    engineeringpasswordless-workflow-accesssingle-click-workflow-launchemail-workflow-links
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