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Posted 4 days ago
  • Hourly: $60.00 - $90.00
  • Intermediate
  • Est. time: More than 6 months, 30+ hrs/week

DO NOT SEND AN AI GENERATED PROPOSAL. READ THROUGH THIS POST AND GIVE US YOUR HUMAN RESPONSE. Location: Remote Team size: Small (you’ll know everyone’s name) Stack: Java 21 / Guice / Gradle backend + React 19 / TanStack / MUI frontend **To apply** 1. Give us a few sentences for why you're a fit for the description below. 2. Include a Github/Gitlab/Gitea link to a recent PR you’re proud of (any language) 3. 5–10 minute Loom of you using Claude Code on a real task. **About the role** QAction is a large-scale Java enterprise document, records, and workflow platform — multi-project Gradle build, ~15 modules, customer-specific deployments (USDA, Ditco, Ascension, Mayo). The backend is being modernized behind an OpenAPI v2 surface (oasv2); the frontend is being rebuilt off GWT onto React 19 + TanStack Router/Query/Start with MUI v7. We need a developer who’s equally comfortable extending a v2 endpoint in a Guice-wired Java service as they are wiring up a TanStack Query call behind a Lexical editor or a virtualized data table — and who treats Claude Code as a peer on the keyboard, not a novelty. You’ll work directly with the product lead. No layers, no JIRA theater. Ship, review, iterate. **What you’ll do** Own vertical slices end-to-end: OpenAPI spec → Manager/ManagerImpl + EndpointImpl in QAction Java → React 19 / TanStack Query UI → JUnit + Playwright coverage. Extend the QAction Java backend: Guice (constructor injection only), Hazelcast-aware code paths, customer-deployment-aware module wiring, JUnit under oasv2. Build Modern UI features in the React 19 stack: TanStack Router/Query/Start, MUI v7 + Emotion, React Hook Form + Zod, Lexical, dnd-kit, OIDC auth (oidc-client-ts), TypeScript with the wrapper-component discipline already in place (Button, Icon, LabeledObject, ScrollShadows, etc. — never raw MUI in features). Move features off GWT onto the React 19 stack one slice at a time, without breaking the legacy app. Pair with Claude Code daily — write prompts that ship code, review agent diffs critically, and improve our skills/agents library when the workflow has friction. Keep integration tests honest: real DB + Solr + Keycloak at the seam, not mocks. Tech direction you’ll be living in **Backend** Java 21, Gradle multi-project (build single modules — ./gradlew QAction:build — never clean build) Guice DI, constructor injection, Manager/ManagerImpl naming (we don’t use “Service”) OpenAPI-first v2 endpoints in oasv2, canonical error model, paginated response classes as standalone beans in oasv2.beans Hazelcast clustering, Solr search, Postgres/MSSQL, Keycloak/OIDC FileNet integration, document import/migration tooling, RMT/remote services **Frontend** React 19 + TypeScript, Vite 7, TanStack Router + Query + Start + Table MUI v7 + Emotion, MUI X Date Pickers + Tree View Lexical (rich text), @dnd-kit + Atlaskit pragmatic-drag-and-drop, react-virtualized, react-pdf React Hook Form + Zod, oidc-client-ts + react-oidc-context, notistack, pino File naming kebab-case, @/ path imports, theme-first styling, wrapper components over raw MUI Adjacent surfaces in scopes over time **What we’re looking for** 8+ years shipping production app code across backend and frontend. You’ve owned services and UIs, not just one or the other. Java fluency — Guice or Spring DI, REST/OpenAPI design, JUnit. Bonus if you’ve worked in a 1M+ LOC enterprise Java codebase with customer-specific module deployments and didn’t flinch. Modern React fluency — React 18/19, TypeScript, TanStack Query (or React Query), a real opinion about effect dependency graphs, comfort with virtualized tables and rich-text editors. OpenAPI-first thinking. Specs are the source of truth, not documentation written after the fact. Claude Code power user. You write prompts that delegate well, you know when to use a subagent vs. inline, you’ve built or extended skills/hooks/MCP integrations. You can show us a recent session where Claude shipped something non-trivial under your direction. Small-team temperament. You’re allergic to ceremony. You read code before asking. You raise a small PR when it’s ready. **Nice to have** GWT (you won’t write new GWT, but you’ll need to read and migrate it). Workflow / BPMN, records management, e-signature, or ECM domain experience. Hazelcast, Solr, Keycloak operational familiarity. Lexical or another modern rich-text editor. Playwright (you’ll inherit a calibrated suite — we want you to improve it, not rewrite it). Docker compose stack bring-up across Postgres, MSSQL, Solr, Keycloak. Python services or Helm/Kubernetes deployment experience. **How we work** Small PRs. Every change ships through review. If it’s getting big, split it. Test-driven design. Tests come with the code, not after. JUnit on the Java side, Vitest + Playwright on the React side. Daily standups. 15 minutes, async-friendly, but we show up. Memory-backed Claude Code sessions — agents learn the codebase with you, not against you.

  • Hourly: $20.00 - $40.00
  • Intermediate
  • Est. time: 1 to 3 months, Less than 30 hrs/week

**About the work** We are a construction and construction management firm looking for a skilled data visualization freelancer to transform our preconstruction Excel deliverables — cost estimates, executive summaries, A3 documents, and historical cost tracking — into clean, branded, interactive HTML presentations our team can use in client meetings and sales presentations. We have already developed a working set of reference deliverables that define the quality bar, interaction style, and visual language we are looking for. Applicants will be asked to review these as part of the screening process. **What you will build** Each engagement typically involves one or more Excel workbooks that contain cost estimate data across multiple tabs. You will produce a standalone, browser-based HTML file that: - Organizes the data across 2–4 navigable slides or views - Applies our company brand colors, typography, and visual standards throughout - Includes interactive elements such as toggleable line items, live-updating totals, category filter presets, and exportable decision summaries - Can be opened directly in a browser with no login, no platform subscription, and no external dependencies beyond standard CDN-hosted libraries - Is clean and polished enough to present directly to a client or owner Deliverables are standalone HTML files — not Tableau dashboards, not Power BI reports, not Flourish embeds, not Python notebooks. If those are your primary tools, this project is likely not a fit. **Deliverable types we work with** - Executive summaries (cost phase comparisons, scope breakdowns, alternates calculators) - Two-page detailed cost estimates (line-item toggles, category presets, visible subtotals) - A3 concept summaries (project overview, qualifications, division-level cost detail) - Historical cost pathway documents (estimate movement across phases) **What we provide** - Source Excel workbooks with all relevant data - Robins & Morton brand standards including colors, typography, and logo guidelines - Reference HTML files showing existing deliverables at the quality and interaction level we expect - Clear direction on which tabs to prioritize and what information to surface vs. suppress in client-facing views **What we are looking for** - Strong proficiency in HTML, CSS, and JavaScript — you write clean, well-structured code directly, not through no-code tools - Experience with Chart.js, D3.js, or similar browser-native charting libraries - A design sensibility for data-dense, professional, client-facing presentations — not dashboards built for internal analysts - Ability to follow a brand system closely and apply it consistently across a multi-slide layout - Experience presenting financial or cost data to non-technical audiences is a strong plus - AEC, construction, or healthcare industry familiarity is helpful but not required

  • Hourly
  • Expert
  • Est. time: 1 to 3 months, Less than 30 hrs/week

I am a licensed therapist building a web app that helps therapists and clients be more connected with homework throughout the week. The app was built using Lovable (an AI app builder) and I need an experienced healthcare developer to review what was built, clean it up, fix any security gaps, and confirm it meets HIPAA technical requirements. This is a startup-stage project. I am the sole founder. I need someone who can communicate clearly with a non-technical person and explain what they find and why it matters. What I Need You To Do: Review all code generated by Lovable and identify security vulnerabilities Confirm or fix data encryption at rest and in transit Review every third-party service or vendor the app connects to and flag any that would require a Business Associate Agreement (BAA) Confirm that client-entered content (homework reflections) cannot be accessed by any unauthorized party Ensure the therapist and client login system is secure and roles are properly separated Confirm that the permanent crisis support button on all client-facing screens cannot be removed, bypassed, or overridden Provide a short written summary of what you found, what you fixed, and what still needs attention What This App Does NOT Do: No billing or insurance No video or scheduling No AI responding to client content No users under 18 What I'm Looking For in You: Demonstrated experience building or auditing HIPAA-compliant SaaS applications Familiarity with BAA requirements and which vendors (cloud hosts, email services, AI APIs) typically require them Experience with web apps built on modern frameworks (React, Next.js, or similar) Ability to explain technical findings in plain English Bonus: experience with mental health, therapy, or healthcare technology specifically To Apply, Please Answer These Three Questions: 1. Describe a HIPAA-compliant project you have worked on. What was the app, what did you build or audit, and what vendors required BAAs? 2. What is your process for reviewing code built by an AI tool like Lovable or Bolt? 3. What is one common HIPAA technical safeguard that early-stage health app developers frequently miss? Applications that do not answer all three questions will not be considered. This app handles real therapy client data. I take privacy and safety seriously and I am looking for someone who does too, not just someone who can write compliant-sounding documentation. Please only apply if you have genuine healthcare tech experience.

  • Hourly
  • Expert
  • Est. time: 1 to 3 months, 30+ hrs/week

***No agency, please*** The contractor must be located within the United States. The expected volume of hours will be high, so please provide your most competitive rate. Requirements: • Experience in multiple Power Platform and/or D365 projects as a technical consultant. • Experience with Microsoft Dynamics 365 and/or Power Platform in the following areas: o Minimum 5-8+ years consulting/development experience in Microsoft technologies. o Experience in Data Modeling and mapping. o PowerApps, Azure Portal/Services, Dataverse. o Model driven forms, views, workflows and reports development. o Programming languages o Understanding of Synchronous and Asynchronous integration patterns o Role-based security design and customization o Development and change tracking using Visual Studio, Azure DevOps/GIT o Provide Dynamics 365 development effort estimates. o Create technical design documents o Ensure that code is testable and is tested. o Execute unit testing for the new functionality developed. o Ability to organize, prioritize, estimate and deliver tasks meeting deadlines o Confidence and willingness to expand technical prowess o Ability to adapt to constantly evolving technologies o Ability to meet deadlines and multi-task effectively o Experience working with a multicultural and/or multilingual team across several time zones o Power BI report development/data modeling

  • Hourly: $60.00 - $80.00
  • Expert
  • Est. time: 1 to 3 months, Less than 30 hrs/week

We are an established, high-volume e-commerce brand operating on an older Shopify theme built over 8 years ago. We are looking for a top-tier Shopify Developer to migrate our store to a modern Shopify 2.0 theme with zero downtime. Because we do significant volume, this is a highly sensitive project. Our top priorities are conversion rate optimization (CRO), retaining our existing hard-coded tracking tags, and protecting our organic SEO rankings. Scope of Work: Theme Setup & Customization: Audit, configure, and customize a premium Shopify 2.0 theme (sitting as a draft) to match and upgrade our current brand identity. Rebuild Custom Layouts: Rebuild existing custom product/landing pages created by our SEO team using native Shopify 2.0 JSON templates (sections everywhere) so we no longer rely on legacy custom code. Code Clean-up: Scrub out dead code and scripts left behind by uninstalled legacy apps to maximize page loading speeds. Tracking & Pixel Migration: Audit our current theme.liquid file to locate and safely migrate all hard-coded scripts (Google Tag Manager, Google Analytics, Google Ads, Meta Pixels). SEO & URL Mapping: Ensure 100% URL consistency. Set up a rigorous 301 redirect map for any altered links to ensure zero drops in Google rankings. Launch QA: Conduct full checkout, mobile responsiveness, and tracking validation before hitting publish. Requirements: Proven track record migrating high-volume, 7-figure Shopify stores. Expert-level knowledge of Liquid, JSON templates, and Shopify 2.0 framework. Deep understanding of SEO preservation during site migrations. Strong communication and ability to work safely in a duplicate/draft environment with zero disruption to live operations.

Posted 2 months ago
  • Hourly
  • Expert
  • Est. time: More than 6 months, 30+ hrs/week

Full-Stack Developer — EdTech Subscription Platform (Next.js + Supabase) · USA Only Overview I am building a production-grade subscription learning platform for students and parents. A complete BRD is available under NDA after initial screening. Looking for a skilled US-based developer or small team who can deliver a polished, secure, scalable product. Tech Stack (Non-Negotiable) Next.js 14 (App Router) · TypeScript strict · Tailwind CSS · Supabase (PostgreSQL + Auth + Storage) · Stripe Billing + Stripe Tax · Vercel · PostHog (self-hosted) · Resend · PDF.js WordPress, PHP, and MySQL are explicitly prohibited. Core Deliverables 1. COPPA-compliant parent-child account system — parental consent flow, 1+ child profiles per account, post-login profile picker, parent dashboard with billing and data rights controls. 2. Public marketing site — homepage, pricing, blog, FAQ, contact, and supporting pages. Full SEO, Core Web Vitals compliant, fully responsive. 3. Subscription billing — Stripe Billing + Stripe Tax, PayPal secondary, free trial, promo codes, dunning, all admin-managed without code changes. 4. Secure content library — in-browser PDF viewer, server-side dynamic watermarking, multi-filter search, favorites, download counter. 5. Educational games integration. 6. CMS and admin panel — two roles (Moderator, Super Admin), full content and subscriber management, promo codes, analytics, editable email templates. What I Provide Complete BRD (under NDA) · brand assets · all content files · all third-party service accounts · attorney-reviewed legal text before launch. What I Expect From You US-based — required Excellent understanding of COPPA compliance Full source code to my private GitHub — I retain full ownership No vendor lock-in, no proprietary frameworks Prior subscription SaaS or edtech experience preferred Fixed-price or milestone-based quote with breakdown To Apply Relevant work samples (Next.js + Supabase preferred) Estimated timeline for full scope Fixed price or milestone breakdown Confirmation you are US-based Short, specific proposals only. Generic bids will not receive a response.

  • Fixed price
  • Expert
  • Est. budget: $3,500.00

I have a nearly complete iOS app built with React Native, Expo, TypeScript, and a local-first data model. The app is already in TestFlight, but the sync/backup/data layer needs to be stabilized before public launch. This is not a UI build. I need a senior engineer with real experience in offline-first mobile sync, local persistence, cloud backup/restore, conflict prevention, retries, and data reconciliation. Core requirement: When a user edits data on one device, the latest safe cloud version should become current on another device when the app opens/logs in, as long as that second device has no unsynced local changes. I do not need live collaborative editing. I do need reliable same-account multi-device currentness. Scope: - Audit current sync/backup/data flow - Provide a written sync plan before coding - Implement reliable backup/upload/restore behavior - Prevent stale devices from overwriting newer cloud data - Handle offline → online retries safely - Remove or clean up conflicting old sync paths - Add regression tests for sync/backup edge cases - Validate with real two-device TestFlight testing - Clean up code only where needed for sync/data stability Please only apply if you have proven offline-first/mobile sync experience. General React - Native app-building experience is not enough. Please include verifiable proof, such as: - Public GitHub/GitLab commits, PRs, or code samples involving sync, offline queues, local persistence, conflict handling, retries, or data reconciliation - Screen-share walkthrough of private sync/data-layer code you personally wrote - Client/employer reference confirming you built an offline sync/data layer - Technical architecture doc or case study showing sync state, retry logic, conflict handling, or backup/restore design LinkedIn helps verify identity/work history, but app links, UI portfolios, websites, or App Store links alone are not enough. Preferred milestones: - Audit + written sync plan - Implementation - Tests + two-device TestFlight validation Scope includes cleanup only where needed to stabilize the sync/data layer. Broader refactoring, UI polish, or unrelated cleanup is separate. Budget is milestone-based and flexible for the right senior developer.

  • Hourly
  • Intermediate
  • Est. time: 1 to 3 months, Less than 30 hrs/week

We are looking for 2-3 AI engineers/developers to help us build/complete an AI go-to-market (GTM) tool that looks at both structured and unstructured data, runs it all through our AI engine, and provides insights and recommendations straight to sales people. The tool is able to handle large volumes of data and provide actionable insights for business decision-making. Our engine consists of a prioritization algorithm, pattern matching and sentiment analysis. We use our recommendation engine to deliver the output (insights) straight to our tool which is "Apple-simple", intuitive and gamified. No more sales time wasted on looking at dashboards and trying to agree on which insights are important and which should be acted on. What you'll do Own features end-to-end across theFastAPI backend (IEngine) and Next.js 15 / React 19 frontend— from Claude prompt design to UI polish. Extend the intelligence pipeline: meeting ingestion (Google Drive + Deepgram realtime), Claude-driven action card generation, Neo4j relationship graph, and Supabase-backed state. Build customer-facing dashboard surfaces — deals, gamification, coaching, trust graph — with TypeScript, Tailwind, shadcn/ui, and D3. Operate WebSocket transcription sessions and async job pipelines reliably under real meeting load. Instrument with Sentry, harden auth (NextAuth :left_right_arrow: JWT :left_right_arrow: FastAPI service-to-service), and keep deploy pipelines green. Build with simulators: when you can't test against live meetings, generate realistic synthetic transcripts through our simulator service. Stack you'll work in Backend: Python 3.11, FastAPI, Uvicorn, PyJWT, Anthropic SDK, Deepgram, Neo4j, Supabase (Postgres + realtime), WebSockets Frontend: TypeScript, Next.js 15 (App Router), React 19, NextAuth 5, Tailwind, shadcn/ui, D3, Stripe Infra: Fly.io, GitHub Actions, Sentry, Supabase AI: Claude (Opus/Sonnet) for transcript analysis, action card generation, and agentic dev workflows What we're looking for 4+ years building production web applications, ideally across Python and TypeScript. Comfort designing and shipping features against an LLM API — prompt iteration, structured outputs, evals, cost/latency tradeoffs. Real Claude or OpenAI production experience required. Experience with multi-tenant SaaS patterns, JWT auth, and one or more of: graph databases, realtime systems, audio/transcription pipelines. Comfort with AI-assisted development workflows (Claude Code, Cursor, etc.) — not just as a code-completion tool, but as a way to plan and ship features. Bias toward shipping. Small surface area, high ownership, no committee.

Posted 2 weeks ago
  • Hourly: $30.00 - $50.00
  • Intermediate
  • Est. time: More than 6 months, 30+ hrs/week

Digital Content Specialist Role Overview The Digital Content Specialist is responsible for managing and publishing digital content across the Truly Free marketplace. This role owns homepage design and merchandising updates, promotional content, blog publishing, help center content, and other customer-facing experiences built through our internal page builder. They will work closely with CRO, Design, Marketing, and Seller Success Teams to ensure content is aligned with promotions, engaging, SEO and conversion focused, and aligned with brand standards. Key Responsibilities Manage weekly homepage updates and promotional content Build and publish landing pages using page builder tools Create, publish, and maintain SEO-focused blog content Manage customer, seller, and partner help center content Create supporting graphics, banners, and digital assets for website experiences Ensure content is properly categorized, linked, and optimized for discovery Maintain content accuracy and update pages as experiences, campaigns, and features evolve Support promotional campaigns, new seller launches, and educational initiatives across the site Skills & Qualifications Requirements Graphic design experience (Figma, Adobe Creative Suite, Canva, etc.) Experience with page builders, CMS platforms, or no-code website tools Basic understanding of SEO and content optimization best practices User-first design approach Strong written communication and content editing skills Strong attention to detail and quality assurance mindset Ability to manage multiple projects and deadlines Comfortable collaborating with Marketing, Seller Success, CRO, and Development teams Preferred Qualifications Ecommerce or marketplace experience UX Design experience Success Looks Like Homepage updates and promotional campaigns launch on schedule Blog and help center content remains accurate, organized, and optimized for discovery New content is published efficiently with minimal development support Website content consistently reflects Truly Free's brand identity Increased content output and improved educational resources across the marketplace

  • Hourly: $40.00 - $80.00
  • Expert
  • Est. time: 1 to 3 months, Hours to be determined

We’re looking for a HubSpot CRM expert who can design the overall CRM architecture, build automation, and implement integrations—not just configure basic fields and views. You will own the HubSpot setup end-to-end, from data structure and workflows to integrations with Google products and our third‑party website. Key Responsibilities Audit and optimize our existing HubSpot portal, including objects, pipelines, lifecycle stages, properties, lists, and permissions. Design and implement automated client updates (emails, tasks, notifications) driven by HubSpot workflows and clearly defined triggers (e.g., deal stage changes, form submissions). Build and maintain integrations between HubSpot and: Google Sheets for two-way data sync and operational reporting. Google Docs and Drive for structured storage and easy access to client documents from within HubSpot records. Connect HubSpot to our 3rd‑party website: Implement form capture and tracking. Send events and data from the website into HubSpot. Expose HubSpot data back to the site as needed (e.g., client portal / logged-in experiences). Use native integrations, marketplace apps, and/or no-code tools (Zapier, Make, n8n, etc.) to orchestrate data flows where appropriate. Work with APIs (HubSpot, Google, and website backend) to implement and document custom integrations when off‑the‑shelf tools aren’t sufficient. Set up dashboards and reports to give leadership and operations clear visibility into the client lifecycle and pipeline. Document the architecture, integrations, and workflows so they can be maintained and extended over time.

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