Senior Engineer / Small Team — Build CHELT (AI Governance Platform) from Existing Traqplan Codebase
Description
We’re transitioning an existing SaaS product (Traqplan) into CHELT AI — an AI-assisted governance and decision-support platform built around structured “registers” (actions, risks, decisions, issues, etc.).
This is not a greenfield project and not a simple chatbot wrapper. We need a senior engineer (or small team) who can work inside an existing codebase and deliver an initial production-quality foundation, then continue iterating.
Current Stack (Existing System)
Angular (web)
Node.js API
PostgreSQL
AG Grid (primary data grids)
Mobile app via Capacitor wrapper
Key Product Principles (Non-Negotiable)
The database contains structured records in registers (actions/risk/decision registers etc.).
AI can interpret user intent and generate proposals, but must not directly access or write to the database.
Updates must be applied through deterministic backend services/APIs with:
explicit user confirmation/approval where needed
auditability and traceability
no silent mutations and no “hidden state” stores for AI convenience
Initial Scope of Work (What You’ll Build First)
1) Product transition: Traqplan → CHELT
Implement the rebrand and restructure UX flows for the CHELT model
Add dark palette as default and replace Traqplan branding with CHELT AI
Introduce the new UX structure:
Chelt Hub = main app entry point (rebranded existing “virtual c-suite”)
Chelt Governance Vault = dedicated chat/AI interface that opens in a separate browser window
Add admin ability to manage/switch personas (used for AI interaction and experience)
2) Block #1 (highest priority): Natural language CRUD on register records
Users can use plain English to create/update/query register items (actions/risks/decisions/etc.)
Implement the safe pattern:
interpret intent → generate structured change proposal → user confirms → backend applies via API → log/audit
Ensure register schemas are treated as contracts; changes are versioned/history-preserving
3) Block #2: Analysis / Insights from register data
Enable AI to generate insights grounded in register data (cross-register Q&A)
Responses must be explainable/traceable to underlying records (no unsupported hallucinations)
4) Block #3 (next): Agents that “do things” (governed automation)
Build the foundation for an “action module” where agents can execute defined tasks/workflows
Strong governance requirements: approvals, run logs, identity (“run as”), failure handling/retries
Bonus if you’ve worked with workflow engines (e.g., n8n) in a governed/enterprise context
Infrastructure / Deployment
We will support multiple environments and domains:
UAT:
uat.chelt.aiMulti-tenant production:
app.chelt.aiSingle-tenant enterprise:
[ORGNAME].chelt.ai
Cloud is expected to be AWS-first (open to final confirmation)
Who We Want
Senior backend/architecture strength (Node/Postgres), comfortable in Angular systems too
Experience shipping AI features into real products with governance and safety constraints
Comfortable refactoring an existing codebase (not rebuilding everything)
Opinionated about clean boundaries, auditability, versioning, and permissions
Interested in continuing beyond the first phase (long-term product work)
To Apply
Please include:
1–2 examples of production systems you built/refactored (especially with AI or automation)
How you would implement “intent → structured proposal → confirm → apply → audit” safely
Any relevant experience with multi-tenant SaaS and/or workflow orchestration
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30 days3000 USD30 days3000 USD
Hi, thanks for the detailed project description — this is a strong and well-thought-out product.
I have solid experience working with Node.js APIs, PostgreSQL, Angular-based systems, and complex SaaS platforms where auditability, permissions, and data integrity are critical. I’m comfortable working inside existing codebases: refactoring, extending functionality, and stabilizing production systems (not rebuilding from scratch).
Regarding the AI workflow, I fully align with your principles.
The approach I use in production:
intent → structured proposal → explicit user confirmation → deterministic backend apply → audit log
… AI is limited to intent interpretation and proposal generation only.
All changes are applied strictly through backend services with schema validation, permissions checks, versioning, and full traceability (before/after state, actor, timestamp). No direct AI access to the database, no hidden state.
I also have experience with:
role-based access and admin tooling
multi-environment setups (UAT / production)
API-first architectures
long-term product iteration and support
Interested in long-term collaboration beyond the first phase.
Happy to discuss architecture and scope in more detail.
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14 days25 000 USD14 days25 000 USD
As a senior engineer with experience in integrating AI into products, I understand your challenges with migrating Traqplan to CHELT AI. Being a participant in the AI implementation project in a complex system, I developed the process "intention → proposal → confirmation → application → audit," maintaining data integrity. My knowledge of Node/Postgres is suitable for maintaining the structure and versions of your registries. Let's create a foundation that exceeds expectations and ensures long-term stability and innovation.
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20 days3500 USD
1563 4 0 1 20 days3500 USDHello.
I was very interested in your project description because it is exactly the type of system I have been working with in recent years: managed, audited, deterministic AI platforms with clear boundaries of responsibility between humans, the system, and AI.
I work with Node.js, PostgreSQL, and complex backend systems, where critical issues include change control, history, versioning, auditing, access rights, and reproducibility of decisions. I also have experience with Angular and refactoring existing codebases without rewriting everything from scratch.
Additionally, I have extensive practical experience in building AI systems in production with the right constraints: AI does not have direct access to the database; it only interprets intent, generates a structured proposal, and all changes go through the backend, with user confirmation, auditing, and logs. In fact, I have repeatedly implemented the pattern “intent → proposal → confirm → apply → audit.”
How I would implement your basic workflow:
… The user formulates a request in natural language, AI transforms it into a structured change proposal (JSON/DTO), the frontend shows a diff preview, the user confirms, the backend applies it through standard service methods, the change is versioned, and the author, time, previous state, and reason are logged. AI never writes directly to the database and has no hidden state.
Your philosophy resonates with me:
registries as contracts,
strict boundaries between interpretation and mutations,
no “silent” changes for the convenience of AI,
complete traceability and manageability.
From relevant cases:
I built an AI manager for Kommo CRM with RAG architecture, action auditing, controlled scenarios, confirmation logic, and handover to the manager. I also worked on several SaaS systems with workflow logic, approval flows, and change history. I have experience in integrations, process orchestration, and building “managed agents” that not only respond but perform actions under the control of the system.
Your stack and approach suit me perfectly: Node, Postgres, Angular, existing codebase, gradual evolution of the product. I am not an advocate of “rewriting everything,” but rather of careful, controlled strengthening of the architecture.
I am interested in getting involved in this project for the long term and developing it as a product, rather than as a one-off development.
If you want, we can start with a technical conversation; I will look at the current architecture of Traqplan and propose a very specific plan for the first phase of the transition to CHELT.
I would be happy to discuss.
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1 day3333 USD
471 2 0 1 day3333 USDready to help you out with this
have huge experience working in full stack
will send you previous work to make sure we match
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90 days14 500 USD
304 90 days14 500 USDHello!
My name is Andrey Martynov, I represent a group of developers – NC-1.
For over five years, we have been creating websites, mobile applications, online stores, ERP/CRM systems, and other e-commerce products. I offer our team to work on the project:
1. Full-Stack Engineer (senior, team lead). Stack: Node.js, PostgreSQL, Angular.
2. Frontend Developer (middle). Stack: Angular, TypeScript, AG Grid, RxJS.
3. DevOps (middle). Stack: Node.js, AWS, Docker, CI/CD, monitoring.
I answer questions:
1. Examples of production systems
- Incident management platform for fintech: Refactored a monolith in Java into microservices on Node.js (NestJS) and PostgreSQL, adding an AI incident classifier in Python (FastAPI/BERT) with full tracing of predictions for auditing.
… - Multitenant SaaS for marketing automation: Built a workflow orchestration platform from scratch with data isolation through PostgreSQL schemas and managed task execution in Kubernetes, similar to embedded engines (n8n).
2. Layer isolation. Deterministic validation and confirmation. Audit and tracking.
3. I have direct experience in building a multitenant SaaS platform with data isolation at the PostgreSQL schema level. For workflow orchestration, we integrated engines (n8n), adding a management layer: configurations were stored in the main database, and each execution was performed on behalf of a specific agent with injected permissions. Critical processes required mandatory approval through a ticket system before execution. The entire cycle of execution and configuration changes was recorded in a central audit log for traceability.
Cases: https://1drv.ms/b/c/b7a0d31a9dae1bc5/IQCpK38gmEvWT6F_Cso40Li-AXAKkSs-J67mCwll-C732pw?e=v4VVF5
Sincerely,
Alexey M.
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30 days3000 USD
2161 4 2 30 days3000 USDHello,
We are Spectrium LLP, a technical team working with production-SaaS and AI functionality with strict requirements for control, auditing, and security. We are interested in long-term work on CHELT AI and transitioning from Traqplan.
🔧 Our experience
Node.js + PostgreSQL — service architecture, data contracts, auditing
Working in existing Angular codebases (refactoring without rewriting)
…
Implementing AI functions without direct access of LLM to the database
🧠 Approach to "intention → application"
AI interprets the request → forms a structured proposal → user confirms → backend applies changes via API → everything is logged and versioned. No hidden states and "silent" mutations.
🚀 What we are ready to close
rebranding Traqplan → CHELT AI
Chelt Hub / Governance Vault
CRUD registries through natural language
AI insights with explainability
foundation for managed action agents
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1 day3000 USD
93973 1266 1 10 1 day3000 USDHello.I have been working with Node.js for more than 8+ years.I’m ready to cooperate
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20 days3000 USD
321 1 20 days3000 USDHello.
This project concerns the evolution of the existing SaaS to CHELT AI by implementing managed AI workflows of production level over structured registries, rather than rebuilding from scratch or delivering a thin chat layer. I would work directly in your current Angular/Node/Postgres codebase to rebrand and realign the UX around Chelt Hub and Governance Vault, while establishing strict backend boundaries where AI only suggests changes, and all mutations go through versioned, audited APIs with explicit user approval. For CRUD natural language and analytics, I would implement a clear pipeline intent → structured difference → confirmation → application → audit, treating registry schemas as contracts and maintaining full history and traceability. From there, I would lay the groundwork for managed action agents and workflow execution with strong identification, approvals, and logs, designed for clean scaling in UAT, multi-user, and enterprise environments on AWS.
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15 days3000 USD
288 15 days3000 USDDear Sir.
We are very interested in supporting the transition of Traqplan into CHELT AI and contributing to the foundation of a governed, production-grade AI-assisted platform.
We have strong senior-level experience with Node.js, PostgreSQL, and Angular-based systems, including working inside existing codebases, refactoring safely, and delivering auditable, enterprise-ready features. We have implemented AI-assisted workflows where intent interpretation is strictly separated from deterministic backend execution, with explicit user confirmation, versioning, and full audit trails.
Our approach to “intent → structured proposal → confirm → apply → audit” follows clear boundaries: AI generates structured, schema-bound proposals only; backend services validate, apply changes via APIs, and log all actions with traceability and history preservation. We are comfortable building multi-tenant SaaS systems and working with governed automation and workflow engines in controlled environments.
We are interested in a long-term collaboration beyond the initial phase and would be happy to share relevant production examples and discuss architecture decisions in more detail.
… Sincerely
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60 days10 000 USD
1117 4 0 60 days10 000 USDHi there!
This is exactly the kind of product where careful structure matters more than speed, and I am very comfortable working inside an existing codebase and reshaping it without breaking what already works. I have spent years building and refactoring Node and Postgres systems where auditability, permissions, and long lived data contracts were treated as first class concerns, not add ons.
What I like about CHELT is the clear separation between intent and execution. I have implemented similar flows where AI never touches the database directly and instead produces a clean, typed proposal that moves through confirmation, service level validation, application, and full audit logging. That pattern scales well, keeps regulators calm, and makes engineers sleep better at night. Angular systems with dense grids and complex state are also familiar to me, including working around AG Grid performance and schema evolution.
One idea I would bring early is a proposal ledger layer that lives between AI and services. Every intent becomes a signed, replayable object with before and after snapshots and reasoning attached. It gives you explainability, version history, and future rollback or review without adding friction for users.
You can see related production work here.
… https://storiesforkids.ai
https://oscarstories.com
Thank you!
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3 days250 USD
154 1 3 days250 USDI am interested in your project of transitioning to CHELT AI and can take on both the initial phase and further development of the platform. I have significant experience in Node.js, PostgreSQL, Angular, as well as in implementing AI features into real products with strict requirements for security, auditing, and change control.
🔹 What I can offer for the first phase:
1. Transition from Traqplan → CHELT AI
• Rebranding and updating UX for the new CHELT model
• Adding a dark theme and integrating Chelt Hub and Chelt Governance Vault
• Administrative tools for managing characters and roles
2. CRUD in natural language for registries
• Interpretation of user intent → generation of structured proposals → user confirmation → application via API → log/audit
… • Versioning and change history for all registry schemas
• Secure permission management and control of "silent changes"
3. Analytics and insights
• Generation of explanatory and traceable insights from registry data
• Use of AI without direct access to the database, to comply with security principles
4. Foundations for automated agents
• Action module with approval control, logging, error handling, and retries
• Integration with workflow orchestration (e.g., n8n)
🔹 My experience relevant to this project:
• Development and refactoring of multi-tenant SaaS systems on Node.js / Angular / PostgreSQL
• Implementation of AI for generating proposals, with full auditing and change control
• Realization of "intent → structured proposal → confirm → apply → audit" schemes in production systems
• Working with multi-tenant platforms where critical access control, versioning, and change history are essential
I can quickly get up to speed with the existing codebase, create an initial production-quality foundation, and then maintain and iterate the system alongside your team.
I am ready to discuss the details, assess the scope of the first block, and propose an action plan and timelines.
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