Technical Lead (Python)

About Trustify TechnoloyTrustify Technology is a fast-growing software engineering and digital transformation company providing AI-driven software development, verification & validation, and automation solutions for global clients across the US, UK/EU, Japan, and Singapore.
Trustify aims to be the top-tier technology outsourcing partner from Vietnam, combining human expertise with AI power to deliver high-quality, cost-effective solutions.
About the position
We are looking for a Tech Lead - Python (Full-stack) to lead a cross-functional development team in designing, building and scaling SaaS products. You will own the technical direction of Python-based backend systems and their integration with modern frontend frameworks, drive architectural decisions, mentor engineers, and collaborate closely with Product and DevOps to deliver production-ready software on schedule.
This is a player-coach role (approximately 50-60% coding / 40-50% leadership). You will contribute hands-on code while setting engineering standards, owning sprint planning, and growing the team. If you thrive on building high-quality products with real ownership and enjoy mentoring others, this role is for you.
Responsibilities
Lead the design and development of full-stack applications using Python (Django / FastAPI) on the backend and React / [protected info] on the frontend
Architect scalable, maintainable systems - define service boundaries, database schemas, API contracts (REST / GraphQL), caching strategies and asynchronous processing patterns
Own the technical roadmap for the team: evaluate technology choices, manage technical debt, and drive continuous improvement of engineering practices
Conduct thorough code reviews, enforce coding standards, and champion testing culture (unit, integration, E2E)
Mentor and coach team members through pair programming, design discussions and 1-on-1s; actively grow mid-level engineers toward senior roles
Collaborate with Product Managers, UI/UX Designers, and QC to translate business requirements into clear technical specifications and sprint plans
Design and maintain CI/CD pipelines; oversee deployment, monitoring, and incident response for production services
Evaluate and integrate third-party services and APIs (payment gateways, messaging, cloud services) as required by business needs
Participate in hiring: screen technical candidates, conduct interviews and contribute to team growth decisions
Work directly with clients and product stakeholders in English - requirement sessions, demos, design walkthroughs and status reporting
Requirements
5+ years of professional experience in Python development, with at least 2 years in a lead or senior role
Strong command of at least one Python web framework: Django (DRF) or FastAPI
Experience with frontend technologies: [protected info] or [protected info], HTML/CSS, JavaScript / TypeScript
Deep understanding of relational databases (PostgreSQL, MySQL) - schema design, query optimisation, migrations
Hands-on experience with RESTful API design, authentication / authorisation (JWT, OAuth2), and API versioning
Proficient with Git, CI/CD tools (GitHub Actions, GitLab CI, Jenkins) and containerisation (Docker)
Familiarity with cloud platforms - AWS (EC2, S3, RDS, Lambda, SQS) or GCP / Azure equivalent
Experience with caching (Redis / Memcached), message queues (Celery, RabbitMQ) and background task processing
Understanding of software design patterns, SOLID principles, and clean architecture
Nice to Have
Experience with microservices architecture, event-driven systems, or domain-driven design (DDD)
Exposure to data engineering tools: Apache Airflow, Spark, or ETL pipelines
Knowledge of infrastructure-as-code (Terraform, CloudFormation) and Kubernetes / ECS orchestration
Contributions to open-source projects or technical blog posts
Experience building SaaS platforms with multi-tenancy, RBAC, and subscription billing integration (Stripe)
Familiarity with AI/ML integration: deploying models as APIs, LLM-based features, or vector searc
Proven ability to lead a team of 4-8 engineers, delegate effectively, and unblock team members
Tech Stack
Backend Framework
Python 3.11+, Django (DRF) / FastAPI
Async & Messaging
Celery, Redis, RabbitMQ, WebSocket
Frontend
[protected info] / [protected info], TypeScript, HTML/CSS, Webpack / Vite
API
RESTful APIs, GraphQL, OpenAPI / Swagger
Auth & Security
JWT, OAuth2, RBAC, SSO
Database
PostgreSQL, MySQL, Redis, Elasticsearch
Cloud & Infra
AWS (EC2, S3, RDS, Lambda, SQS), Docker, Kubernetes
Build & CI/CD
Git, GitHub Actions / GitLab CI, Docker, Terraform
Testing pytest, Playwright / Cypress, Postman
Monitoring
Sentry, Datadog / Grafana, ELK Stack
Benefits
Professional development budget for courses, certifications, and conference attendance
Flexible working hours (core time: 9:00 AM - 6:00 PM, Monday to Friday) and work-from-home policy
Healthcare: Annual health check-up, Premium Health Insurance
12 annual leaves + public holidays
13th-month salary
Bonus for excellent project performance
Year End Party (YEP), company trip, team building activities, happy hour
Snacks, coffee, tea and soft drinks available in the office
Marriage gift, sick leave support, funeral/maternity support
Lunar New Year gifts
Free parking, provided devices
Contact
Company: Trustify Technology JSC.
Email: [protected info]
Head Office: 307/20-21 Nguyen Van Troi, Tan Son Hoa Ward, HCMC
Website: [protected info]
Working hours: 9:00 AM - 6:00 PM, Monday - Friday