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: [email protected] or [email protected]
Skills Required
- 8–12 years of experience shipping production software
- 3–5 years of experience in a technical lead or staff engineer role
- Experience shipping LLM features to production, including evaluations, guardrails, prompt versioning, and cost control
- Strong Python and TypeScript/Node.js skills
- Fluency in React and Next.js
- Strong PostgreSQL and data pipeline experience, including schema design, query performance, ETL/ELT, and analytical workloads at scale
- Experience building and operating systems with significant production data volume and concurrency
- Production AWS experience, including IAM, networking, S3, RDS, and containerized workloads
- Experience designing for security, auditability, and sensitive data protection
- Private credit, private markets, or capital markets experience
- Experience with Next.js, NestJS, FastAPI, PostgreSQL with pgvector, LangChain, LangGraph, LiteLLM, AWS Textract, Docker, and infrastructure-as-code
What We Do
At 31G, we know that developing a solution is just half the story. We bring significant experience in change management, optimizing business operations and processes, digital transformation and tech development. We are able to fully augment your digital and business needs into practical day-to-day operations. We are founded by a group of highly successful individuals with multi-sector experience, deep knowledge, fierce ambition and a proven track record in developing high-quality solutions to solve real-world problems. Our strong relationships with our clients have evolved from being a great technology supplier, to also being a trusted advisor and strategic partner. Our UK-based project and leadership team work on discovery projects through to fully managed tech and business transformation services and are supported by our team of international tech and back-office staff to deliver quality and cost-effectiveness. Our services include tech strategy, software engineering and roadmap development, resource augmentation, data, AI and process automation, systems migration and integration, combined with our consultancy and managed services practices. Our values are high-quality, integrity, innovation and compassion. Our values-based culture enables us to attract excellent talent in the UK and internationally to our growing teams, and in turn provide a high-quality service to our clients. Our 31G team is comprised of a wide range of skills and subject matter expertise, including programme & project management for digital transformation, product managers, UX/UI designers, architects, security, and data specialists.
