SQL Developer

Job Opening: FreeSWITCH Developer

Location: Ecospace Business Park, Rajarhat, Newtown, Kolkata

Employment Type: Full-Time, Permanent

Shift: Day Shift

Experience: Minimum 4+ years in FreeSWITCH/VoIP Development

Responsibilities:

• Design, develop, deploy, troubleshoot, and maintain tools and services supporting our cloud telephony network.
• Customize FreeSWITCH for large-scale audio/video conferencing (1000–1500 concurrent calls).
• Expertise in SIP, RTP, RTCP, TURN, STUN, NAT, TLS.
• Hands-on experience with RTP Proxy and routed audio conferences.
• Understanding of SDP Protocol offer/answer mechanism.
• Work with load testing tools for FreeSWITCH audio conferences.
• Deploy and manage multiple FreeSWITCH instances using load balancers.
• Debug issues using packet captures (Wireshark/Ngrep).
• Collaborate with mobile/API teams for integration and support.
• Knowledge of codecs (PCMU, PCMA, G729, Opus) and open-source telephony technologies (FreeSWITCH, WebRTC).
• Familiarity with SIP servers (SER/OpenSER), proxy servers, SBC, SIPX is a plus.

Qualifications:

• Bachelor’s degree in Engineering (B.Tech/MCA).
• 4+ years of hands-on experience in FreeSWITCH development or related VoIP technologies.
• Strong knowledge of Linux environments and command-line tools.
• Basic to intermediate SQL knowledge.
• Proficiency in scripting (Bash, Python, Perl) for automation.
• Strong understanding of VoIP protocols (SIP, RTP), networking principles (TCP/IP, DNS, DHCP, routing protocols).
• Excellent troubleshooting skills with ability to resolve complex technical issues.
• Strong problem-solving, communication, and collaboration skills.

Industry Preference:

• Travel (Preferred)
• Any Industry (Required)

Requirements

• Extensive and expert programming experience in at least one general programming language (e. g.

Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.

• Experience with multi-threading and concurrency programming.

• Extensive experience in object oriented design skills, knowledge of design patterns, and a huge passion

and ability to design intuitive modules and class-level interfaces.

• Excellent coding skills - should be able to convert design into code fluently.

• Knowledge of Test Driven Development.

• Good understanding of databases (e. g. MySQL) and NoSQL (e. g. HBase, Elasticsearch, Aerospike etc).

• Strong desire to solve complex and interesting real world problems.

• Experience with full life cycle development in any programming language on a Linux platform.

• Go-getter attitude that reflects in energy and intent behind assigned tasks.

• Worked in a startup-like environment with high levels of ownership and commitment.

• BTech, MTech or Ph. D. in Computer Science or related technical discipline (or equivalent).

• Experience in building highly scalable business applications, which involve implementing large complex

business flows and dealing with huge amounts of data.

• 3+ years of experience in the art of writing code and solving problems on a large scale.

• Open communicator who shares thoughts and opinions frequently, listens intently, and takes

constructive feedback.

3 years Minimum Experience Required (Vacancies 5)

Location:- Chandigarh IT Park (WFO)

Shift Timings:- UK Shift

Responsibilities:

• Develop, test, and maintain robust and scalable Python applications.
• Work collaboratively with cross-functional teams to design and implement new features.
• Ensure the performance, quality, and responsiveness of applications.
• Implement server-side logic, database integration, and system architecture.
• Choose and work with one of the following frameworks: Flask, Django, or Fast API.
• Utilize databases such as SQL, Post SQL, or MongoDB to support application development.
• Demonstrate proficiency in Linux or Ubuntu server environments.
• Knowledge of containerization tools, particularly Docker, for deployment and scalability.
• Implement and optimize caching strategies using Redis or Celery (a plus).
• Participate in the planning and implementation of Continuous Integration/Continuous Deployment (CI/CD) processes.
• Stay updated on industry trends and emerging technologies.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Proven experience as a Python Developer with 3-5 years of hands-on development.
• In-depth knowledge of at least one of the following frameworks: Flask, Django, or Fast API.
• Strong expertise in databases such as SQL, Post SQL, or MongoDB.
• Familiarity with Linux or Ubuntu server environments.
• Proficiency in containerization tools, particularly Docker.
• Experience with Redis cache or Celery is a strong plus.
• Understanding of CI/CD processes and tools.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.
• Ability to thrive in a fast-paced and dynamic work environment.

Midas is a fintech company that specializes in building state-of-the-art technological solutions for algorithmic trading, investments, and analytics for global financial markets. Headquartered in Mumbai, Midas aims to establish a strong presence in GIFT City (Gandhinagar), London, New York, and Singapore in the near future.

Our team consists of highly motivated and skilled individuals who serve sophisticated clients across various segments, including affluent individuals, high-net-worth individuals, ultra-high net-worth individuals, family offices, and institutions. We offer an excellent platform for personal and professional development within a highly committed and collaborative team in a mission-driven and results-oriented environment.

1. The ideal candidate should possess expert-level knowledge in technologies such as JavaScript, TypeScript, Node JS, MongoDB, Redis, Linux servers, and networking protocols (TCP and UDP). This includes understanding how to use these technologies to develop and deploy backend systems, as well as troubleshooting and optimizing them.
2. Proficient in automation technology, the candidate should be able to optimize existing infrastructure, identify and implement design patterns, and understand data structures and algorithms. This includes an ability to evaluate and recommend new technologies that can improve the performance and scalability of the system.
3. The candidate should be familiar with version control and project management tools such as GIT, JIRA, etc. and be able to use them effectively to manage and collaborate on code development.
4. Strong understanding of multithreading and multiprocessing concepts, and the ability to make tweaks and optimizations in similar domains for the purpose of improving performance and scalability.
5. Understanding of clustering and load balancing, including the ability to design and implement solutions that can improve the availability and scalability of the system.
6. Understanding of cyber security protocols and their application in the development and deployment of backend systems. This includes knowledge of best practices for securing systems, as well as the ability to identify and mitigate potential security threats.
7. Ability to implement CI/CD pipelines when needed. This includes an understanding of the various steps involved in creating, testing, and deploying code, as well as knowledge of the tools and technologies used to automate these processes.
8. Familiarity with tools such as NGINX or HAProxy and understanding how they can be used to improve the performance and scalability of the system.
9. Eagerness to learn and upgrade skills as per the demands of the product. This includes an ability to stay current with new technologies and best practices in the field, as well as a willingness to continuously improve one's own skills.
10. Proven experience in the industry and ability to work in a fast-paced environment. The candidate should have a solid understanding of the financial markets and the technology used to support them.
11. Strong problem-solving and analytical skills, ability to work independently and as part of a team. The candidate should be able to identify and solve complex problems and work effectively with others to achieve common goals.
12. Strong communication and interpersonal skills. The candidate should be able to effectively communicate with both technical and non-technical stakeholders, and work well in a team environment.

UKG's engineering teams wants to add 4 staff aug consultants (2 in US and 2 in Noida) to support their identity platform infrastructure, deployments to prod, escalations/KTLO, and debugging needs. They'll need to partner with internal dev teams who consume our Identity platform around any issues or new integrations needed. RCA/enhancing our observability.

They need to have the below qualifications:

• Linux (Ubuntu) - Understanding of Linux OS and has experience with troubleshooting complex issues that can be due to infrastructure related around disk/iops, network latency, jvm/gc related, as well as application related defects.

Python/similar scripting language to help automate manual tasks/remediation efforts.

• Ansible

• Identity platforms/technology -

SAML2/Oauth2/Directory server LDAP#python queryquerylanguage/OpenDJ/OpenAM/Auth0/Okta/SSO

• Java - understanding of Java tuning/best practices for high volume applications at scale

• Nginx

• Grafana • PagerDuty

• Postman/API • Kibana/Splunk

Dynatrace

GCP preferred. Azure is good as well.

Minimum of 4+ years of experience in Java development

• Experience delivering Services (REST, SOAP) and Web applications in Micro services architecture
• Experience developing and deploying Java solutions to cloud
• Experience in Spring Boot and components of Spring framework
• Experience in a JavaScript framework such as Angular or React
• Experience in TDD using Junit or similar frameworks

·       Experience in Design Patterns and service oriented architectural principles, Data structures and Algorithms.

·       Individual should be an active participant in the product design and code reviews for self and team and can competently review any aspect of their product or major sub-system.

·       Experience in SQL, Unix skills.

·       Good communication Skill

Skills required:
- knowledge of Linux administration and Bash,
- great overall coding experience, knowledge of algorithms, etc,
- experience with Git,
- experience with Docker.

Typical tasks would consist of writing scripts for:

- server automation,
- container deployment,
- user data migration,
- backup management.