11+ White-box testing Jobs in Delhi, NCR and Gurgaon | White-box testing Job openings in Delhi, NCR and Gurgaon

Who we are

We’re Fluxon, a product development team founded by ex-Googlers and startup founders. We offer full-cycle software development from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like

Google and Stripe, to turn bold ideas into products with the power to transform the world.

About the role

As an AI Engineer at Fluxon, you’ll take the lead in designing, building and deploying AI-powered applications for our clients.

You'll be responsible for:

• System Architecture: Design and implement end-to-end AI systems and their parts, including data ingestion, preprocessing, model inference, and output structuring
• Generative AI Development: Build and optimize RAG (Retrieval-Augmented Generation) systems and Agentic workflows using frameworks like LangChain, LangGraph, ADK (Agent Development Kit), Genkit
• Production Engineering: Deploy models to production environments (AWS/GCP/Azure) using Docker and Kubernetes, ensuring high availability and scalability
• Evaluation & Monitoring: Implement feedback loops to evaluate model performance (accuracy, hallucinations, relevance) and set up monitoring for drift in production
• Collaboration: Work closely with other engineers to integrate AI endpoints into the core product and with product managers to define AI capabilities
• Model Optimization: Fine-tune open-source models (e.g., Llama, Mistral) for specific domain tasks and optimize them for latency and cost

You'll work with technologies including:

Languages

• Python (Preferred)
• Java / C++ / Scala / R / JavaScript

AI / ML

• LangChain
• LangGraph
• Google ADK
• Genkit
• OpenAI API
• LLM - Large Language Model
• Vertex AI

Cloud & Infrastructure

• Platforms: Google Cloud Platform (GCP) or Amazon Web Services (AWS)
• Storage: Google Cloud Storage (GCS) or AWS S3
• Orchestration: Temporal, Kubernetes
• Data Stores
• PostgreSQL
• Firestore
• MongoDB

Monitoring & Observability

• GCP Cloud Monitoring Suite

Qualifications

• 5+ years of industry experience in software engineering roles
• Strong proficiency in Python or any preferred AI programming language such as Scala, Javascript and Java
• Strong understanding of Transformer architectures, embeddings, and vector similarity search
• Experience integrating with LLM provider APIs (OpenAI, Anthropic, Google Vertex AI)
• Hands-on experience with agent workflows like LangChain, LangGraph
• Experience with Vector Databases and traditional SQL / NoSQL databases
• Familiarity with cloud platforms, preferably GCP or AWS
• Understanding of patterns like RAG (Retrieval-Augmented Generation), few-shot prompting, and Fine-Tuning
• Solid understanding of software development practices including version control (Git) and CI/CD

Nice to have:

• Experience with Google Cloud Platform (GCP) services, specifically Vertex AI, Firestore,and Cloud Functions
• Knowledge of prompt engineering techniques (Chain-of-Thought, ReAct, Tree of Thoughts)
• Experience building "Agentic" workflows where AI can execute tools or API calls autonomously

What we offer

• Exposure to high-profile SV startups and enterprise companies
• Competitive salary
• Fully remote work with flexible hours
• Flexible paid time off
• Profit-sharing program
• Healthcare
• Parental leave, including adoption and fostering
• Gym membership and tuition reimbursement
• Hands-on career development

We are hiring a Site Reliability Engineer (SRE) to join our high-performance engineering team. In this role, you'll be responsible for driving reliability, performance, scalability, and security across cloud-native systems while bridging the gap between development and operations.

Key Responsibilities

• Design and implement scalable, resilient infrastructure on AWS
• Take ownership of the SRE function – availability, latency, performance, monitoring, incident response, and capacity planning
• Partner with product and engineering teams to improve system reliability, observability, and release velocity
• Set up, maintain, and enhance CI/CD pipelines using Jenkins, GitHub Actions, or AWS CodePipeline
• Conduct load and stress testing, identify performance bottlenecks, and implement optimization strategies

Required Skills & Qualifications

• Proven hands-on experience in cloud infrastructure design (AWS strongly preferred)
• Strong background in DevOps and SRE principles
• Proficiency with performance testing tools like JMeter, Gatling, k6, or Locust
• Deep understanding of cloud security and best practices for reliability engineering
• AWS Solution Architect Certification – Associate or Professional (preferred)
• Solid problem-solving skills and a proactive approach to systems improvement

Why Join Us?

• Work with cutting-edge technologies in a cloud-native, fast-paced environment
• Collaborate with cross-functional teams driving meaningful impact
• Hybrid work culture with flexibility and autonomy
• Open, inclusive work environment focused on innovation and excellence

• Review and analyze requirements, specifications, and technical design documents, providing timely feedback
• Develop detailed, comprehensive, and well-structured test plans and test cases
• Prioritize and plan testing activities
• Should have a basic idea of automated testing
• Identify and report issues found, then verify that issues are resolved
• Perform regression testing
• Should be able to handle ticketing system and concerned stakeholders for reported bugs.

• Proven work experience in software quality assurance
• Strong knowledge of software QA methodologies, tools, and processes
• Basic experience with automated testing tools
• Keen eye for detail and a commitment to excellence
• Be willing to help your teammates, share your knowledge with them, and learn from them
• Be open to receiving constructive feedback and turning it into process improvements

The candidate should have good knowledge about the job role. Must have good writing skills. Communication skills are must.

Job Description
We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.

Responsibilities
	Translate designs and wireframes into high quality code
	Design, build, and maintain high performance, reusable, and reliable Java code
	Ensure the best possible performance, quality, and responsiveness of the application
	Identify and correct bottlenecks and fix bugs
	Help maintain code quality, organization, and automatization
Skills
	Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
	Familiarity with RESTful APIs to connect Android applications to back-end services
	Strong knowledge of Android UI design principles, patterns, and best practices
	Experience with offline storage, threading, and performance tuning
	Ability to design applications around natural user interfaces, such as “touch”
	Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
	Knowledge of the open-source Android ecosystem and the libraries available for common tasks
	Ability to understand business requirements and translate them into technical requirements
	Familiarity with cloud message APIs and push notifications
	A knack for benchmarking and optimization
	Understanding of Google’s Android design principles and interface guidelines
	Proficient understanding of code versioning tools, such as Git
	Familiarity with continuous integration

We are a technology company, at a stage where we are moving fast ahead. We have been enabling enterprises to derive the value of Data Science and technology. At Lumiq, we are thinking every day about how to use the latest technology and concepts to build products which can help our customers and enterprises in all aspects of their businesses.

We create Data oriented enterprise applications. The applications must be scalable and robust. This position creates the exact kind of enterprise applications which are easy to configure and manage from the end-user perspective. The integration with all the different services and APIs plays an important part in the whole architecture.

Eligibility

Experience and Qualification

• 2-5 Years of experience with Drools/Kofax Workflow.
• Java Microservices: 2-3 years Spring Boot, Spring Integration or Batch.
• Working knowledge of Databases
• Design and develop high-volume, low-latency applications for critical systems, delivering high-availability and performance.
• Write well designed testable, efficient code, and ensure that the designs comply with specifications.
• Bachelor's Degree in Computer Science or equivalent

Must Have Skills

• Java
• Drools
• Any Relational Database
• GIT

What you need to have:

• 5+ Years of experience of relevant experience.
• Understanding of the mobile advertising ecosystem, mediation & bidding setup, a keen eye for gaps in the app monetization strategy, and an innovative mindset to fill them.
• Should be highly-skilled ad revenue management professional with a proven ability to strategize & execute your vision.
• Strong experience in a mobile ad revenue and monetization role.
• Hands-on experience in managing monetization across a portfolio of mobile products.
• Knowledge of Ad Networks, Mediation and RTB.
• Understanding of the Google AdMob framework and experience in dealing with ITV issues.
• Excellent communication skills 
• Ability to ideate & execute    
• Experience in managing & executing monetization across multiple apps (products) and use cases is a big plus