GNU/Linux Network Systems Engineer

A BIT ABOUT US

Appknox is a leading mobile application security platform that helps enterprises automate security testing across their mobile apps, APIs, and DevSecOps pipelines. Trusted by global banks, fintechs, and government agencies, we enable secure mobile experiences with speed and confidence.

About the Role:

We're looking for a Jr. Technical Support Engineer to join our global support team and provide world-class assistance to customers in the US time zones from 8pm to 5am IST. You will troubleshoot, triage, and resolve technical issues related to Appknox’s mobile app security platform, working closely with Engineering, Product, and Customer Success teams.

Key Responsibilities:

• Respond to customer issues via email, chat, and voice/voip calls during US business hours.
• Diagnose, replicate, and resolve issues related to DAST, SAST, and API security modules.
• Troubleshoot integration issues across CI/CD pipelines, API connections, SDKs, and mobile app builds.
• Document known issues and solutions in the internal knowledge base and help center.
• Escalate critical bugs to engineering with full context, reproduction steps, and logs.
• Guide customers on secure implementation best practices and platform usage.
• Collaborate with product and QA teams to suggest feature improvements based on customer feedback.
• Participate in on-call support rotations if needed.

Requirements:

• 1–4 years of experience in technical support, Delivery or QA roles at a SaaS or cybersecurity company.
• Excellent communication and documentation skills in English.
• Comfortable working independently and handling complex technical conversations with customers.
• Basic understanding of mobile platforms (Android, iOS), REST APIs, Networking Architecture, and security concepts (OWASP, CVEs, etc.).
• Familiarity with command-line tools, mobile build systems (Gradle/Xcode), and HTTP proxies (Burp).
• Ability to work full-time within US time zones. Ensure that you have a stable internet connection and work station. 

Good to have skills:

• Experience working in a product-led cybersecurity company.
• Knowledge of scripting languages (Python, Bash) or log analysis tools.
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) is a plus.
• Familiarity with ticketing and support tools like Freshdesk, Jira, Postman, and Slack.

Compensation

• As per Industry Standards

Interview Process:

• Application- Submit your resume and complete your application via our job portal.
• Screening-We’ll review your background and fit—typically invite you on cutshort for a Profile Evaluation call (15 mins)
• Assignment Round- You'll receive a real-world take-home task to complete within 48 hours.
• Panel Interview- Meet with a cross-functional interview panel to assess technical skills, problem-solving, and collaboration.
• Stakeholder Interview- A focused discussion with the Director to evaluate strategic alignment and high-level fit.
• HR Round- Final chat to discuss cultural fit, compensation, notice period, and next steps.

Personality Traits We Admire:

• A confident and dynamic working persona, which can bring fun to the team, and a sense of humour, is an added advantage.
• Great attitude to ask questions, learn and suggest process improvements.
• Has attention to details and helps identify edge cases.
• Highly motivated and coming up with fresh ideas and perspectives to help us move towards our goals faster.
• Follow timelines and absolute commitment to deadlines.

Why Join Us:

• Freedom & Responsibility: If you are a person who enjoys challenging work & pushing your boundaries, then this is the right place for you. We appreciate new ideas & ownership as well as flexibility with working hours.
• Great Salary & Equity: We keep up with the market standards & provide pay packages considering updated standards. Also as Appknox continues to grow, you’ll have a great opportunity to earn more & grow with us. Moreover, we also provide equity options for our top performers.
• Holistic Growth: We foster a culture of continuous learning and take a much more holistic approach to train and develop our assets: the employees. We shall also support you all on that journey of yours.
• Transparency: Being a part of a start-up is an amazing experience, one of the reasons being open communication & transparency at multiple levels. Working with Appknox will give you the opportunity to experience it all first-hand.

Research Intern 

Position Overview

We are seeking a motivated Research Intern to join our AI research team, focusing on Text-to-Speech (TTS) and Automatic Speech Recognition (ASR) technologies. The intern will play a crucial role in evaluating our proprietary models against industry benchmarks, analyzing competitive voice agent platforms, and contributing to cutting-edge research in speech AI technologies.

Key Responsibilities

Model Evaluation & Benchmarking

• Conduct comprehensive evaluation of our TTS and ASR models against existing state-of-the-art models
• Design and implement evaluation metrics and frameworks for speech quality assessment
• Perform comparative analysis of model performance across different datasets and use cases
• Generate detailed reports on model strengths, weaknesses, and improvement opportunities

Competitive Analysis

• Evaluate and compare our voice agent platform with existing solutions (Vapi, Bland AI, and other competitors)
• Analyze feature sets, performance metrics, and user experience across different voice agent platforms
• Conduct technical deep-dives into competitive architectures and methodologies
• Provide strategic recommendations based on competitive landscape analysis

Research & Innovation

• Monitor and analyze emerging trends in ASR, TTS, and voice AI technologies
• Research novel approaches to improve ASR and TTS model performance
• Investigate new architectures, training techniques, and optimization methods
• Stay current with academic literature and industry developments in speech AI

Model Development & Training

• Assist in training TTS and ASR models on various datasets
• Implement and experiment with different model architectures and configurations
• Perform model fine-tuning for specific use cases and domains
• Optimize models for different deployment scenarios (edge, cloud, real-time)
• Conduct data preprocessing and augmentation for training datasets

Documentation & Reporting

• Maintain detailed documentation of experiments, methodologies, and results
• Prepare technical reports and presentations for internal stakeholders
• Contribute to research publications and technical blog posts
• Create visualization and analysis tools for model performance tracking

Required Qualifications

Education & Experience

• Currently pursuing or recently completed Bachelor's/Master's degree in Computer Science, Electrical Engineering, Machine Learning, or related field
• Strong academic background in machine learning, deep learning, and signal processing
• Previous experience with speech processing, NLP, or audio ML projects (academic or professional)

Technical Skills

• Programming Languages: Proficiency in Python; experience with PyTorch, TensorFlow
• Speech AI Frameworks: Experience with libraries like librosa, torchaudio, speechbrain, or similar
• Machine Learning: Strong understanding of deep learning architectures, training procedures, and evaluation methods
• Data Processing: Experience with audio data preprocessing, feature extraction, and dataset management
• Tools & Platforms: Familiarity with Colab or Jupyter notebooks, Git, Docker, and cloud platforms (AWS/GCP/Azure)

Preferred Qualifications

• Experience with transformer architectures, attention mechanisms, and sequence-to-sequence models
• Knowledge of speech synthesis techniques (WaveNet, Tacotron, FastSpeech, etc.)
• Understanding of ASR architectures (Wav2Vec, Whisper, Conformer, etc.)
• Experience with model optimization techniques (quantization, pruning, distillation)
• Familiarity with MLOps tools and model deployment pipelines
• Previous work with voice AI applications or conversational AI systems

Skills & Competencies

Technical Competencies

• Strong analytical and problem-solving abilities
• Ability to design and conduct rigorous experiments
• Experience with statistical analysis and performance metrics
• Understanding of audio signal processing fundamentals
• Knowledge of distributed training and large-scale model development

Soft Skills

• Excellent written and verbal communication skills
• Ability to work independently and manage multiple projects
• Strong attention to detail and commitment to reproducible research
• Collaborative mindset and ability to work in cross-functional teams
• Curiosity and passion for staying current with AI research trends

What You'll Gain

Learning Opportunities

• Hands-on experience with state-of-the-art speech AI technologies
• Exposure to full model development lifecycle from research to deployment
• Mentorship from experienced AI researchers and engineers
• Opportunity to contribute to cutting-edge research projects

Professional Development

• Experience with industry-standard tools and methodologies
• Opportunity to present research findings to technical and business stakeholders
• Potential for research publication and conference presentations
• Networking opportunities within the AI research community

Solution Oriented Mindset

• Assist project in all technical aspects of tooling and DevOps
• Proactively lead tools new versions release cycle and documentation
• Proactively identify risks related to application /deliverables and propose a mitigation plan
• Provide custom solutions as per customer requirements

Autonomy & Problem Solving Mindset

• Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
• Must have troubleshooting skills

Agile Mindset

• Contribute to improvement of internal process, tooling, and quality process
• Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis

I need someone to work on a chat application on iOS. Someone with experience in objective C and swift with problem solving skills

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in.

REQUIREMENTS:

• 16+ years of experience in designing and developing technology solutions using a variety of platforms, languages, and tools, with at least 5+ years of software architecture experience
• Strong background into Devops, Azure, Java, .NET, all mobile, web and backend solutions
• Ability to think breakthroughs by leveraging new age technologies and a deep understanding of the client’s business and the industry they operate in 
• Ability to lead by example by picking up coding of complex functionalities when required
• Strong understanding of technology and the ability to deep dive into a technology problem
• Ability to influence key client stakeholders on their technology and operations strategy
• Vast experience in owning delivery of complex technology solutions for global clients
• Ability to multitask and own multiple technology tracks simultaneously in a globally distributed delivery setup
• Experience in creating cutting edge technology solution by collaborating with other world class technologists 
• Balanced approach that aligns technology-based solutions with customer needs
• Visible thought leadership through technology blogs, whitepapers, presentations etc. 
• Fluent verbal and written language skills and ability to convey a message in a simple and structured manner, customized to the audience and to the mode of communication

RESPONSIBILITIES:

• Owning the technology health of the project / account on all key metrics 
• Ensuring projects / accounts meet technical standards of governance, technology standards and best practices
• Owning the long term as well as the short-term technology strategy of your project / account
• Identifying opportunities in the current engagement to cross sell or up sell Nagarro’s offerings  
• Conceptualizing and owning the technical architecture and design of the projects you are influencing
• Harnessing your consulting skills in a culture that promotes opportunities to provide thought leadership and breakthrough solutions for our clients.
• Running workshops internally and with customers on technology and business topics to create new solution areas and use cases
• Communicating and driving adoption of organizational technology initiatives in your account
• Mentoring and managing team members, by giving constant on-the-job feedback, and by providing guidance
• If you are aligned with a Center of Excellence (CoE) or practice –
• Defining the vision for the practice/CoE, creating plan/budget for the practice

ABOUT US.

Established in 2009, Ashnik is a leading open-source solutions and consulting company in South East Asia and India, headquartered in Singapore. We enable digital transformation for large enterprises through our design, architecting, and solution skills. Over 100 large enterprises in the region have acknowledged our expertise in delivering solutions using key open-source technologies. Our offerings form critical part of Digital transformation, Big Data platform, Cloud and Web acceleration and IT modernization. We represent EDB, Pentaho, Docker, Couchbase, MongoDB, Elastic, NGINX, Sysdig, Redis Labs, Confluent, and HashiCorp as their key partners in the region. Our team members bring decades of experience in delivering confidence to enterprises in adopting open source software and are known for their thought leadership.

As a team culture, Ashnik is a family for its team members. Each member brings in different perspective, new ideas and diverse background. Yet we all together strive for one goal – to deliver best solutions to our customers using open source software. We passionately believe in the power of collaboration. Through an open platform of idea exchange, we create vibrant environment for growth and excellence.

THE POSITION

Ashnik is looking for talented and passionate people to be part of the team for an upcoming project at client location.

QUALIFICATION AND EXPERIENCE

• Preferably have a working experience of 4 Years and more , on production PostgreSQL DBs.
• Experience of working in a production support environment
• Engineering or Equivalent degree
• Passion for open-source technologies is desired

ADDITIONAL SKILLS

• Install & Configure PostgreSQL, Enterprise DB
• Technical capabilities PostgreSQL 9.x, 10.x, 11.x
• Server tuning
• Troubleshooting of Database issues
• Linux Shell Scripting
• Install, Configure and maintain Fail Over mechanism
• Backup - Restoration, Point in time database recovery
• A demonstrable ability to articulate and sell the benefits of modern platforms, software and technologies.
• A real passion for being curious and a continuous learner. You are someone that invests in yourself as much as you invest in your professional relationships.

RESPONSIBILITIES

• Monitoring database performance
• Optimizing Queries and handle escalations
• Analyse and assess the impact and risk of low to medium risk changes on high profile production databases
• Implement security features
• DR implementation and switch over

LOCATION: Pune

Experience: 8 yrs plus

Package: upto 17 LPA

Responsibilities & ownership

• Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
• Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
• Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
• Lead the team to solve complex and unknown problems 
• Solve technical problems and customer issues with technical expertise
• Design and deliver architectures that run optimally on public clouds like  GCP, AWS, and Azure
• Mentor other team members for high quality and design 
• Collaborate with Product Management to deliver on customer requirements and innovation
• Collaborate with Support and field teams to ensure that customers are successful with Dremio

Requirements

• B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
• Fluency in Java/C++ with 3alm+ years of experience developing production-level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
• 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
• Hands-on experience  in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
• Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
• Passion for learning and delivering using latest technologies
• Ability to solve ambiguous, unexplored, and cross-team problems effectively
• Hands on experience of working projects on AWS, Azure, and Google Cloud Platform 
• Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud) 
• Understanding of distributed file systems such as  S3, ADLS, or HDFS
• Excellent communication skills and affinity for collaboration and teamwork
• Ability to work individually and collaboratively with other team members
• Ability to scope and plan solution for  big problems and mentors others on the same
• Interested and motivated to be part of a fast-moving startup with a fun and accomplished team