Quality Assurance Engineer

About the Role

We are looking for a skilled and dedicated FreeSWITCH Engineer with hands-on experience in VoIP systems. You will play a key role in developing, configuring, and maintaining scalable and reliable FreeSWITCH-based voice infrastructures. This is a onsite role based in Gurugram location.

Key Responsibilities

• Design, deploy, and maintain FreeSWITCH servers and related VoIP infrastructure.
• Troubleshoot and resolve FreeSWITCH and VoIP-related issues.
• Develop custom dial plans, modules, and call routing logic.
• Work with SIP, RTP, and related VoIP protocols.
• Monitor system performance and ensure high availability.
• Collaborate with development, network, and support teams to optimize voice systems.
• Document configurations, workflows, and system changes.

Requirements

• Minimum 3 years of hands-on experience with FreeSWITCH in a production environment.
• Strong understanding of VoIP technologies and SIP protocol.
• Experience with Linux system administration.
• Familiarity with scripting languages (Bash, Python, Lua).
• Ability to work independently in a remote setup.
• Strong problem-solving and analytical skills.

Preferred Skills

• Experience with other VoIP platforms (Asterisk, Kamailio, OpenSIPS).
• Knowledge of WebRTC, RTP engines, or media servers.
• Exposure to monitoring tools (Grafana, Prometheus, Nagios).
• Familiarity with APIs and backend integration.

Why Join Us?

• Collaborative and supportive team environment.
• Opportunity to work on innovative VoIP solutions at scale.

A back-end developer is a web developer or engineer who works with at the back end of a website or application. In this sense, will work on Java code for application development comprehending what users want from the finished product, developing design documentation for the application, debugging and repairing code, and testing the softwares.

SKILLS:

• Core Java: Collections, Generics, data structures, Oops concepts, Exception handling, Design patterns, Data Structure.
• Mysql,C++
• Knowledge of Angular
• Candidate should have working knowledge on web services
• Hands on experience on Kubernetes, Docker, Python, AWS, Springboot.
• Proven hands -on experience in software and app development using Java Platforms
• Telecom industry experience is a must

COMPETENCIES:

• Plan and Organize: Plan and organize activities in a clear and accurate manner
• Achievement Orientation: Meets predetermined standards
• Meticulous attention to detail: Recognizes obvious information
• Teamwork: Collaborates with others to get the work done and achieve team goals

MINIMUM QUALIFICATION:

•  B.E/ B.Tech/ MCA

REQUIRES EXPERIENCE:

•  3 -13 years of relevant experience in Java development

Job Description

• Work as an Automation Engineer to ensure continuous delivery of the product.
• Create/Update the test environment, code and execute automated test scenarios.
• Execute functional tests and maintain test cases.
• Work with the quality, development and field teams to ensure product quality and usability.
• Monitor and track resolution of defects, and effectively communicate it in daily standup.
• Learn and use open source and cloud technologies as needed

Qualification and Experience Requirements

• Desired experience range is 4 to 8 years
• Bachelor’s or Master’s Degree in Engineering or other technical discipline.
• Expertise in automation language, tool, and scripts such as Java, Selenium or TestCafe, Postman
• Must have proven analytical and problem-solving skills to help validate, verify, communicate & report software application issues.
• Preferable but not necessary knowledge of any one of the public Cloud platforms either AWS, Azure or GCP is preferred.
• Preferable but not necessary knowledge and/or experience of a Security product

• Analyze product requirements and translate them into high-level and low-level designs and develop code in accordance with the defined designs
• Take product ideas from ideation to implementation
• Contribute in creating Software Requirement Specifications (i.e. problem part)
• Analyze change request entries and prioritize with other product backlog items and take ownership of delivery
• Develop systems that are highly scalable, but easy to maintain
• Build high-throughput and low-latency microservices
• Should be efficient with Java J2EE and related technologies.
• Participate in solution testing, user acceptance testing, change control and training
• Installation and configuration/development of the product:

• Core Java: Collections, Generics, data structures, Oops concepts, Exception handling, Design patterns, Data Structure.
• Mysql
• Angular
• Candidate should have working knowledge of web services
• Proven hands-on experience in software and app development using Java Platforms

• Editorialist YX is looking for a Technical Architect - Search. As part of this role, you will work with a team that builds a unified search platform to power various searches for our .com website,IOS app, and internal support tools. This search impacts thousands of customers in a day and will also become pivotal to our tech efforts as we continue to grow 30x YoY.

• You will own the technical direction for the team, and you will be leading key search projects from ideation all the way to deployment. You will be working closely with both technical and business leaders to fulfill your mission.
• Salary is no bar for the relevant candidate. 

• 6+ years of experience working in java and web services.
• 6+ years of experience working in the Search domain.
• Proven skills in designing scalable, highly available distributed systems which can handle high data volumes.
• Strong understanding of software engineering principles and fundamentals including data structures and algorithms.
• Solid understanding of concurrency and multi-threading, multiple design patterns, and debugging and analytical methodologies.
• Hands-on experience on Solr Cloud or ElasticSearch.
• Deep understanding of information retrieval concepts.
• Deep understanding of Linguistic processing like tokenizers, spellers, and stemmers.
• Hands-on experience on big data tech stacks, like Hadoop, Hive, Cassandra, and Spark is a plus.
• Self-directed, self-motivated, and detail-oriented with the ability to come up with good design proposals and thorough analysis of production issues.
• Excellent written and oral communication skills on both technical and non-technical topics.

• Designing and building a search engine using elastic search with engineers in the team for overall success for Search and other ML-based systems.
• Collaborate with peers from other Engineering groups to tackle complex and meaningful problems with efficient and scalable delivery of Search solutions.
• You are expected to be self-motivated, dedicated, and a solution-oriented individual. The main responsibilities for this position include:Leading effort to build large-scale, distributed, and highly available systems and pipelines.
• Leading effort to build large scale and highly available information retrieval systems
• Design and develop solutions using Java tech stack.
• Design and implement as per secure guidelines
• Work with QA to identify issues and fix them.

• B.Tech. in Computer Science or equivalent experience
• 6+ Yrs of experience in Java, Web services & Search Domain
• Experience working in Product based company

• Retiral Benefits
• Medical Insurance
• Remote Working Opportunity for the time being
• MacBook
• Stock Options
• Gym Membership

• Hands-on programming expertise in Java OR Python
• Strong production experience with Spark (Minimum of 1-2 years)
• Experience in data pipelines using Big Data technologies (Hadoop, Spark, Kafka, etc.,) on large scale unstructured data sets
• Working experience and good understanding of public cloud environments (AWS OR Azure OR Google Cloud)
• Experience with IAM policy and role management is a plus

DUKAAN - Create Your Online Store in 30 Seconds

Dukaan is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogs (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram, etc. Praised by users all over India, this app has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital.

Dukaan is currently powering over 5M e-commerce stores built by Indian small businesses and growing at a crazy rate.  

We are looking for a Backend Engineer to join our team who will be part of our new innovations team.

Requirements:

1. Strong knowledge of Django, Django Rest Framework, and their design principles.
2. Strong knowledge of Django ORM, should be able to leverage it to write complex and optimized queries (E.x Q queries, Case, When, Select related, prefetch related, Subqueries, Annotations, Aggregations, Filtering, etc.).
3. Should be able to override DRF serializers, filters, and view set completely according to needs.
4. Should have good experience in Class-Based Views to write the backend API.
5. Sound knowledge of database design patterns and modeling them to Django models.
6. Sound knowledge of how to write test cases for the APIs.
7. Should be able to write optimized pythonic code adhering to python PEP standards.
8. Strong knowledge of python packaging and how to architect a codebase that should be easily scalable and not get cluttered.
9. Strong knowledge of REST API design patterns.
10. The ability to write RAW SQL queries and further database-level coding will be a plus.
11. Good Understanding of python’s asyncio, threading, and multiprocessing library, their benefits and limitations along with their appropriate use cases.
12. Hands-on knowledge of celery and its corresponding message broker such as RabbitMQ, Redis, etc.
13. Experience with building a CDC(Change Data Capture) pipeline will be a plus.
14. Experience with Apache Kafka, Kafka connect and Debezium will be a plus.
15. Experience with open source will be a plus.
16. Good knowledge of Algorithms and data structures.

Responsibilities:

1. Understand the ins and out of the existing codebase and have a good grasp of it.
2. Write clean, stable, and scalable code.
3. Write unit test cases for the APIs.
4. Do whitebox and blackbox testing for your own code and as well as others if required.
5. Understand and implement fast prototype solutions for business needs.