PythonA BIT ABOUT US
Appknox is one of the top Mobile Application security companies recognized by Gartner and G2. A profitable B2B SaaS startup headquartered in Singapore & working from Bengaluru.
The primary goal of Appknox is to help businesses and mobile developers secure their mobile applications with a focus on delivery speed and high-quality security audits.
Appknox has helped secure mobile apps at Fortune 500 companies with major brands spread across regions like India, South-East Asia, Middle-East, US, and expanding rapidly. We have secured 300+ Enterprises globally.
We are a 60+ incredibly passionate team working to make an impact and helping some of the biggest companies globally. We work in a highly collaborative, very fast-paced work environment. If you have what it takes to be part of the team, we are excited and let’s speak further.
The Opportunity
Appknox AI is building next-generation AI-powered security analysis tools for mobile applications. We use multi-agent systems and large language models to automate complex security workflows that traditionally require manual expert analysis.
We're looking for an AI/ML Engineer who will focus on improving our AI system quality, optimizing prompts, and building evaluation frameworks. You'll work with our engineering team to make our AI systems more accurate, efficient, and reliable.
This is NOT a data scientist role. We need someone who builds production AI systems with LLMs and agent frameworks.
Key Focus:
Primary Focus: AI System Quality
- Prompt Engineering: Design and optimize prompts for complex reasoning tasks
- Quality Improvement: Reduce false positives and improve accuracy of AI-generated outputs
- Evaluation Frameworks: Build systems to measure and monitor AI quality metrics
- Tool Development: Create utilities and tools that enhance AI capabilities
Secondary Focus: Performance & Optimization
- Cost Optimization: Implement strategies to reduce LLM API costs (caching, batching, model selection)
- Metrics & Monitoring: Track system performance, latency, accuracy, and cost
- Research & Experimentation: Evaluate new models and approaches
- Documentation: Create best practices and guidelines for the team
Experience
- 2–3 years of professional experience building AI-powered systems
- Previous hands-on work with agentic systems, autonomous workflows, or LLM-centric applications (not focused on model training)
Requirements:
- Design, build, and deploy autonomous AI agents using modern LLM frameworks
- Integrate agents with APIs, databases, and backend workflows
- Implement prompt strategies, tool/function calling, memory, and context management
- Strong understanding of vector databases and retrieval techniques (RAG use cases)
- Build production-ready systems with testing, monitoring, and scalable deployment practices
- Collaborate with cross-functional teams to ship reliable production features
- Strong Python and backend engineering skills
- Hands-on experience with agent frameworks such as LangChain, AutoGen, LlamaIndex
- Familiarity with observability and debugging tools (e.g., Arize, LangSmith, Langfuse dashboards)
Good to Have skill-set:
- Experience with multi-agent orchestration or planning frameworks
- Experience with online and offline evaluation of AI agents
- Exposure to cloud deployment and containerization (AWS/GCP/Azure, Docker)
What We're NOT Looking For:
- Only academic/tutorial LLM experience (we need production systems)
- Pure ML research focus (we're not training foundation models)
- Data analyst/BI background without engineering depth
- No experience with LLM APIs or agent frameworks
Our Tech Stack:
AI/ML Infrastructure:
- Agent Frameworks: LangChain, LangGraph
- LLMs: Google Gemini (primary), with multi-model support
- Observability: Langfuse, DeepEval
- Vector Search: LanceDB, Tantivy
- Embeddings: Hybrid approach (local + cloud APIs)
Platform & Infrastructure:
- Orchestration: Prefect 3.x, Docker, Kubernetes
- Storage: S3-compatible object storage, PostgreSQL
- Languages: Python 3.11+
- Testing: pytest with parallel execution support
Work Expectations & Success Metrics:
Within 1 Month (Onboarding)
- Understand AI system architecture and workflows
- Review existing prompts and evaluation methods
- Run analyses and identify improvement areas
- Collaborate on initial optimizations
Within 3 Months (Initial Contributions)
- Own prompt engineering for specific components
- Build evaluation datasets and quality metrics
- Implement tools that extend AI capabilities
- Contribute to performance optimization experiments
Within 6 Months (Independent Ownership)
- Lead quality metrics implementation and monitoring
- Drive prompt optimization initiatives
- Improve evaluation frameworks
- Research and prototype new capabilities
Within 1 Year (Expanded Scope)
- Mentor team members on best practices
- Lead optimization projects (caching, batching, cost reduction)
- Influence architectural decisions
- Build reusable libraries and internal frameworks
Interview Process:
- Round 0 Interview - Profile Evaluation (15 min)
- Round 1 Interview - Take Home Assignment
- Round 2 Interview - Technical Deep-Dive (90 min)
- Round 3 Interview- Team Fit (45 min)
- Round 4 Interview- HR Round ( 30 min)
Why Join Appknox AI?
Impact & Growth
Work on cutting-edge AI agent systems that power real-world enterprise security. You’ll collaborate with experienced engineers across AI, security, and infrastructure while gaining deep expertise in LangGraph, agent systems, and prompt engineering. As we scale, you’ll have clear opportunities to grow into senior and staff-level roles.
Team & Culture
Join a small, focused product-engineering team that values code quality, collaboration, and knowledge sharing. We’re in a hybrid set-up - based out of Banaglore, flexible, and committed to a sustainable pace - no crunch, no chaos.
Technology
Built with a modern Python stack (3.11+, async, type hints, Pydantic) and the latest AI/ML tools including LangChain, LangGraph, DeepEval, and Langfuse. Ship production-grade features that make a real impact for customers.
Compensation & Benefits:
Competitive Package
We offer strong compensation designed to reward impact.
Flexibility & Lifestyle
Hybrid work setup and enjoy generous time off. You’ll get top-tier hardware and the tools you need to do your best work.
Learning & Development
Access a substantial learning budget, attend major AI/ML conferences, explore new approaches during dedicated research time, and share your knowledge with the team.
Health & Wellness
Comprehensive health coverage, fitness subscription, and family-friendly policies.
Early-Stage Advantages
Help shape the culture, influence product direction, and work directly with founders. Move fast, ship quickly, and see your impact immediately.
Shubham Vishwakarma
Full Stack Developer - Averlon
About Appknox
About
Appknox, a leading mobile app security solution HQ in Singapore & Bangalore was founded by Harshit Agarwal and Subho Halder.
Since its inception, Appknox has become one of the go-to security solutions with the most powerful plug-and-play security platform, enabling security researchers, developers, and enterprises to build safe and secure mobile ecosystems using a system-plus human approach.
Appknox offers VA+PT solutions ( Vulnerability Assessment + Penetration Testing ) that provide end-to-end mobile application security and testing strategies to Fortune 500, SMB and Large Enterprises Globally helping businesses and mobile developers make their mobile apps more secure, thus not only enhancing protection for their customers but also for their own brand.
During the course of 9 years, Appknox has scaled up to work with some major brands in India, South-East Asia, Middle-East, Japan, and the US and has also successfully enabled some of the top government agencies with its On-Premise deployments & compliance testing. Appknox helps 500+ Enterprises which includes 20+ Fortune 1000 and ministries/regulators across 10+ countries and some of the top banks across 20+ countries.
A champion of Value SaaS, with its customer and security-first approach Appknox has won many awards and recognitions from G2, and Gartner and is one of the top mobile app security vendors in its 2021 Application security Hype Cycle report.
Our forward-leaning, pioneering spirit is backed by SeedPlus, JFDI Asia, Microsoft Ventures, and Cisco Launchpad and a legacy of expertise that began at the dawn of 2014.
Tech stack
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Django
Rust
Go Programming (Golang)
Amazon Web Services (AWS)
Docker
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