Freeswitch Developer

About the Role:

We are looking for an experienced VoIP Developer to design, develop, and maintain enterprise communication systems. You will work with Kamailio, OpenSIPS, Freeswitch, and Asterisk to build scalable VoIP solutions.

Skills Required:

• Hands-on experience with Kamailio, OpenSIPS, Freeswitch, Asterisk
• Knowledge of IMS & Diameter
• Proficiency in C / C++ programming
• Strong understanding of TCP/IP, LAN/WAN, VLAN/L3 VPNs
• Good knowledge of SIP/SDP, RTP/SRTP, TLS protocols
• Experience with MySQL / MongoDB
• Understanding of Enterprise PBX features
• Problem-solving and debugging skills
• Good written and verbal communication

Nice-to-Have:

• Building softPBX, Voicemail, ACD, IVRS applications
• Experience with Python, PHP, Java, JavaScript
• Linux administration and command-line skills
• Knowledge of WebRTC, firewall, security
• Familiarity with tools like cmake and git

What We Offer:

• Remote / flexible work options
• Opportunity to work on large-scale VoIP systems
• Collaborative environment with skilled peers

Responsibilities :

- Develop server side applications in C++

- Contribute in analysis based on requirements. Analysis can be in the form of research and producing Proof of Concepts.

- Produce documents and specifications wherever required.

- Work collaboratively with other developers and QA engineers to deliver the solutions.

Core Competency:

• Extensiveexperiencewith C# and ASP.net/.NETCore 2.0 / .NET WebAPI core framework framework • concept's and fundamentals/ MVC and EF. • REST Web services&API Experience • Strong architectural knowledge with two or more of - MicroServices, 12 FactorApplications and • EventDriven architectures • Messaging knowledge(Topics, Queues & Publish Subscribe) • Knowledge of AWS, Docker and Kubernetes • Experience with database development including relational database design, SQL, and ORM • Agile Delivery experience • Deploying .Net Core web application/API in Windows and Linux • Experience with web developmenttechnologiesincludingASP.NET, MVC3, EF, HTML, JavaScript, • JQuery, AJAX and CSS, LINQ. • Experience with core Microsoft.Net technologies including WCF, LINQ, and EF • Experience designing and developing enterprise-grade software • Experience with source control management systems and deployment environment • Experience with debugging, performance profiling and optimization. • Comprehensive understanding of object-oriented and service-oriented applicationdevelopment,techniques and theories • Internally motivated, able to work proficiently both independently and in a team environment • Strong communication skills with both internal team members and external business stakeholders • Experience with user interface design and prototyping

• Work with business analysts to estimate and design effective, scalable and maintainable solutions that meet business initiatives and objectives
• Develop and unit test software that meets business requirements and technical design
• Troubleshoot pre- and post-production implementations
• Propose new ideas when there is strong business value and stay up to date on the latest technology trends and techniques

Critical Skills & Experiences:

• At least 5+ years of experience developing in Java technologies with equivalent experience in systems analysis, OO design, OO programming and debugging skills
• At least 5 years of experience in Java Spring Boot Framework development
• 2 years of experience in any Cloud platform, preferably AWS.
• At least 3 years of web services and relational database experience (preferably Mysql)
• At least a year of Elastic search experience
• Experience developing RESTful web services (preferably micro services)
• Experience with UNIX/Linux command line and shell scripting
• Experience working in cross-functional Agile/Scrum teams
• Any level of experience with JIRA or any other issue tracking technology
• Experience working directly with business stakeholders
• Experience with Java application profiling and profiling tools
• Exceptional written and verbal communication skills.
• Drive performance to accomplish team goals in a fast-paced environment
• Bachelor’s degree or the above equivalent skills and years of experience

Keywords:

Experience: +5 Years

Technical skills: Java, Spring boot and Node JS  

The key aspects of this role: 

• Candidate with exceptional programming skills, problem-solving abilities and strong work  ethic. 
• The candidate has to work on custom programming and web application development for  Drupal. 
• Testing, maintenance and troubleshooting of existing company sites and resolving issues if  any. 
• Contributing ideas and efforts towards internal projects and working as part of a team to  find solutions on various problems. 
• Communicate technical ideas to business users and other teams (design, QA). • Collaborate with team members and to work independently when needed. • Eager to embrace current and emerging web technologies. 

To be the right fit, you'll need: 

• Experience of total 4+ years working on PHP and Drupal 7,8 Development (at least 2+ years  in Drupal 8) 
• Strong knowledge of MySQL, jQuery, HTML5, CSS 
• Experience with Drupal architecture, best practices and coding standards 
• Knowledge on Views, Services etc. 
• Experience in custom module and theme creation 
• Familiar with sub version control systems such as Git or SVN 
• Basic knowledge of environment setup for Linux distribution

DeepSource is working on building tools that help developers ship good code. There are over 40 million developers in the world, and all of them write and review code in some form. The Language Engineering team works on the source code analyzers, including both programming languages and configuration-as-code systems. As a member of the Language Engineering team, you will work on building the best, most comprehensive, Ruby analyzer in the world. You will add new rules and Autofixes for finding more issues with code and automatically fixing them. You will be involved with the community to understand the problems with static analysis tools in the Ruby ecosystem.

• Identify bad code practices in Ruby and write new analyzers to detect them.

• Improve the coverage of automatically fixable issues.

• Ensure fewer false-positives are reported by the analyzer.

• Work on the internal tools that support analysis runtimes.

• Contribute to open-source static analysis tools.

• Strong foundational knowledge in Computer Science.

• At least 3 years of professional software development experience in Ruby.

• Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).

• Familiarity with Ruby best practices followed in the industry.

• Native experience with Linux/Unix environment.

• A focus on delivering high-quality code through strong testing practices.

We offer competitive compensation with meaningful stock options, a generous vacation policy, and a workstation of your choice, to name a few of the perks.