
About Smartleaven
About
We at SmartLeaven Technologies believe Innovation is about taking chances and going different ways every day, while keeping our focus on the business goals. As partner in your innovation journey, we are there to understand the importance of quality engineering, off shoring efficiencies, R & D budget control, alignment with your go-to-market strategy, 24x7 tech support, end customer's perspective, proactive engagement etc. and provide you with end-to-end solutions to all your requirement for long term business growth and sustainability.
Connect with the team
Similar jobs
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

Requirement:
Position: Senior Python developer/c++
Location: Noida
Experience: 5 to 7 years
CTC: As per company standards
NP: Immediate to 15 days
Job Responsibilities
1. Develop backend for applications in eCommerce / insurance/wealth management businesses
2. Design technically sound systems and deliver results in a fast manner
3. Building highly performant applications setting top standards in respective industries
Basic qualifications
1. 5 -7 years experience building highly performant applications in Python / C++
2. Good grasp of data structures and proficiency in problem-solving
3. Knowledge of design patterns
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
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.
Striim (pronounced “stream” with two i’s for integration and intelligence) was founded in 2012 with a simple goal of helping companies make data useful the instant it’s born.
Striim’s enterprise-grade, streaming integration with intelligence platform makes it easy to build continuous, streaming data pipelines – including change data capture (CDC) – to power real-time cloud integration, log correlation, edge processing, and streaming analytics.
Strong Core Java / C++ experience
· Excellent understanding of Logical ,Object-oriented design patterns, algorithms and data structures.
· Sound knowledge of application access methods including authentication mechanisms, API quota limits, as well as different endpoint REST, Java etc
· Strong exp in databases - not just a SQL Programmer but with knowledge of DB internals
· Sound knowledge of Cloud database available as service is plus (RDS, CloudSQL, Google BigQuery, Snowflake )
· Experience working in any cloud environment and microservices based architecture utilizing GCP, Kubernetes, Docker, CircleCI, Azure or similar technologies
· Experience in Application verticals such as ERP, CRM, Sales with applications such as Salesforce, Workday, SAP < Not Mandatory - added advantage >
· Experience in building distributed systems < Not Mandatory - added advantage >
· Expertise on Data warehouse < Not Mandatory - added advantage >
· Exp in developing & delivering product as SaaS i< Not Mandatory - added advantage
Software Engineer – C++ (3-6 years of experience)
1. Telecom/Volte LTE 2g 3g Preferred
2. Programming knowledge of multi-threading, sockets, IPCs.
3. Well versed with std and boost libraries.
4. Working knowledge of GNU compilers, optimization techniques on Unix/Linux based systems.
5. Proficient in debugging tools like GDB/Valgrind and profiling tools like oprofile.
6. Knowledge of Diameter (AAA) Stack
- Development experience of communication protocol stacks
- Hands on experience in multi-threaded design techniques and implementation
- Good hands-on experience on data structures and algorithms
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture
- BS/MS in Computer Science or Engineering.
- 8+ years of experience in software development in an object-oriented language such as Java, .NET or Node.Js
- Exceptional design, coding, and problem-solving skills, with a bias for architecture at scale.
- Experience with HTML5, JavaScript, TypeScript, front-end technologies like AngularJS, Redux / React and upcoming web technologies.
- Real-world experience developing large scale commercial services with robust performance, resiliency, and telemetry, delivered both Online and OnPrem.
- Strong knowledge of computer science, algorithms, and design patterns.
- Ability to appreciate complex problems with a thorough design.
- 2 - 7 years of experience in building applications using C++ programming language.
- Comfortable with core programming concepts and techniques (e.g. concurrency, memory management).
- Enjoys working with algorithms and data structures (e.g. trees, hash maps, queues).
- Strong in Data structure and good in problem solving.
- Strong debugging skills.
- Certifying the application – White box testing, black box testing.









