Technical Lead

Job Title: Technical Lead (Python, React & AI)
Company: 31 Green Ltd
Job Type: Full-Time, Permanent
Location: Islamabad (Hybrid) / Remote for other cities in Pakistan
Working Hours: 12:00 PM – 09:00 PM
Working Days: 5 days a week
About the Company
31 Green Ltd is a forward-thinking IT organization focused on delivering innovative digital solutions and scalable software products. We are committed to building high-quality, user-centric products that drive business growth and deliver exceptional customer experiences.
The Role:
Technical owner of the platform, end to end. Hands-on: writes code, reviews code, makes the architecture calls, sets the engineering standards. Works directly with the founder on product and technical decisions, with product direction and architecture still being defined. The expectation is to build and ship.
What You'll Own
The overall architecture: frontend, backend, Al services, database, cloud
Data modelling for fund mechanics - cash flows, NAV, performance metrics, position-level credit data
The analytics engine
The Al layer (conversational Q&A, document ingestion, report generation)
Engineering standards: testing, CI/CD, security, observability
Technical decisions and the trade-offs behind them
What We're Looking For Stack
8-12 years shipping production software, ideally with private credit, private markets, or capital markets experience
3-5 of those years in a tech lead or staff engineer role.
Shipped LLM features to production users - evals, guardrails, prompt versioning, cost control.
Comfortable across the whole stack, with real depth in backend and data
Strong in Python and TypeScript/Node, fluent in React/Next.js
Strong on PostgreSQL and data pipelines - schema design, query performance, ETL/ELT, analytical workloads at scale
Built and operated systems handling significant data volume and concurrency in production.
Production experience with AWS — IAM, networking, S3, RDS, containerised workloads
Designs for security, auditability, and data sensitivity from day one - not as an afterthought
Decisive and pragmatic. Moves forward with sound judgement rather than waiting for perfect information
Stack:
Next.js, NestJS, FastAPI, PostgreSQL with pgvector, AWS (S3, RDS, IAM, containerised workloads), LangChain and LangGraph for orchestration, LiteLLM for model routing, AWS Textract for OCR. Docker and infrastructure-as-code.
Compensation & Benefits
Competitive salary in PKR
Salary will be processed in PKR, and tax will be deducted as per applicable laws
Hybrid work model (Islamabad office + remote flexibility for other cities)
Health insurance including In-Patient (IPD) and Out-Patient (OPD) coverage
Life insurance coverage, accidental & Emergency coverage.
Annual leave, sick leave, maternity leave, and paternity leave as per company policy
Professional growth and learning opportunities
Collaborative and innovative work environment
How to Apply
Please send your CV to: zainab.zahra@31g.co.uk or hr@31g.co.uk

Employment type
Full-Time

Work arrangement
No