
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

About Ecosmob Technologies
About
Ecosmob is a fast-growing global IT company delivering innovative and integrated business solutions across diverse industries. Specializing in VoIP systems, mobile applications, e-commerce platforms, and web development, Ecosmob leverages advanced technologies such as PHP, Node.js, WordPress, and Joomla to provide customized solutions tailored to client needs. The company has a proven track record of delivering complex projects on time, helping businesses enhance operational efficiency and customer engagement.
With a client-centric approach, Ecosmob also offers consulting, offshore development, and technical support services to ensure seamless business integration. Its portfolio includes projects like 911 Notification Systems, Asterisk Billing Solutions, PBX in USB, Web Click2Call, and Fax over IP, among others. Committed to excellence and innovation, Ecosmob continues to expand its global presence, helping businesses achieve measurable value through technology and domain expertise.
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Ecosmob provides global IT solutions specializing in VoIP, mobile apps, e-commerce, and web development.
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Requirement:
Bachelor’s Degree or equivalent degree in computer science
Min 1-3 years of experience in Python and backend technology
Development experience with programming languages like C/C++, Erlang, Elixir.
Experience in Python / Go Lang is a must
Experience in creating and dealing with REST API and socket technology
Working Knowledge of RabbitMQ and Kafka
Knowledge of both SQL and NoSQL databases along with Redis and elastic search.
Working knowledge of network communication, TCP, UDP, HTTP, etc
Roles and Responsibilities:
Participate in the entire application lifecycle, focusing on coding and debugging
Write clean code to develop functional web applications
Troubleshoot and debug applications
Perform UI tests to optimize performance
Manage cutting-edge technologies to improve legacy applications
Collaborate with Front-end developers to integrate user-facing elements with server-side logic
Gather and address technical and design requirements
Provide training and support to internal teams
Build reusable code and libraries for future use
Liaise with developers, designers, and system administrators to identify new features
Follow emerging technologies
Optimizing multiple producers and multiple consumer system
Develop a Fault-tolerant application design.
Title: Quantitative Developer
Location : Mumbai
Candidates preferred with Master's
Who We Are
At Dolat Capital, we are a collective of traders, puzzle solvers, and tech enthusiasts passionate about decoding the intricacies of financial markets. From navigating volatile trading conditions with precision to continuously refining cutting-edge technologies and quantitative strategies, our work thrives at the intersection of finance and engineering.
We operate a robust, ultra-low latency infrastructure built for market-making and active trading across Equities, Futures, and Options—with some of the highest fill rates in the industry. If you're excited by technology, trading, and critical thinking, this is the place to evolve your skills into world class capabilities.
What You Will Do
This role offers a unique opportunity to work across both quantitative development and high frequency trading. You'll engineer trading systems, design and implement algorithmic strategies, and directly participate in live trading execution and strategy enhancement.
1. Quantitative Strategy & Trading Execution
- Design, implement, and optimize quantitative strategies for trading derivatives, index options, and ETFs
- Trade across options, equities, and futures, using proprietary HFT platforms
- Monitor and manage PnL performance, targeting Sharpe ratios of 6+
- Stay proactive in identifying market opportunities and inefficiencies in real-time HFT environments
- Analyze market behavior, particularly in APAC indices, to adjust models and positions dynamically
2. Trading Systems Development
- Build and enhance low-latency, high-throughput trading systems
- Develop tools to simulate trading strategies and access historical market data
- Design performance-optimized data structures and algorithms for fast execution
- Implement real-time risk management and performance tracking systems
3. Algorithmic and Quantitative Analysis
- Collaborate with researchers and traders to integrate strategies into live environments
- Use statistical methods and data-driven analysis to validate and refine models
- Work with large-scale HFT tick data using Python / C++
4. AI/ML Integration
- Develop and train AI/ML models for market prediction, signal detection, and strategy enhancement
- Analyze large datasets to detect patterns and alpha signals
5. System & Network Optimization
- Optimize distributed and concurrent systems for high-transaction throughput
- Enhance platform performance through network and systems programming
- Utilize deep knowledge of TCP/UDP and network protocols
6. Collaboration & Mentorship
- Collaborate cross-functionally with traders, engineers, and data scientists
- Represent Dolat in campus recruitment and industry events as a technical mentor
What We Are Looking For:
- Strong foundation in data structures, algorithms, and object-oriented programming (C++).
- Experience with AI/ML frameworks like TensorFlow, PyTorch, or Scikit-learn.
- Hands-on experience in systems programming within a Linux environment.
- Proficient and Hands on programming using python/ C++
- Familiarity with distributed computing and high-concurrency systems.
- Knowledge of network programming, including TCP/UDP protocols.
- Strong analytical and problem-solving skills.
A passion for technology-driven solutions in the financial markets.
- Proficient experience of minimum 3 years into C++ & experience using MFC library.
- Good experience into C# programming.
- Working experience into COM.
- Good Communication skills.
Mandatory Skill set : C++ and Python - UNIX- Database - SQL or Postgres
Developer Role EXP : 3 to 5yrs
Location : Bangalore /Chennai/Hyderabad
1. Strong proficiency in C++ , with fair knowledge of the language specification (Telecom experience is preferred).
2. Proficient understanding of standard template library (STL): algorithms, containers, functions, and iterators
3. Must have experience on Unix platforms, should possess shell scripting skills.
4. Knowledge on compilers(gcc, g) and debugger (dbx). Knowledge of libraries and linking.
5. Good understanding of code versioning tools (e.g. Git, CVS etc.)
6. Able to write and understand python scripts (both python2 and python3)
7. Handson with logic implementation in python and should be familiar with list comprehension and is comfortable in integrating it with C++ and Unix scripts
8. Able to implement multithreading in both C++ and Python environment.
9. Familiar with Postgres SQL.
C++ developer with Python as secondary - 3 to 4 yrs exp / should be CW.
non-metro and rural markets. DealShare has raised series C funding of USD 21 million with key investors like WestBridge Capital, Falcon Edge Capital, Matrix Partners India, Omidyar Network, Z3 Partners and Partners of DST Global and has a total funding of USD 34 million.They have 2 million customers across Rajasthan, Gujarat, Maharashtra, Karnataka and Delhi NCR with monthly transactions of 1.2 million and annual GMV of $100 million. Our aim is to expand operations to 100 cities across India and reach annual GMV of USD 500 Million by end of 2021.
They started in Sept 2018 and had 5000 active customers in the first three months. Today
we have 25K transactions per day, 1 Lakh DAU and 10 Lakh MAU with a monthly GMV of INR 100 Crores and 50% growth MoM. We aim to hit 2 Lakh transactions per day with an annual GMV of 500 Million USD by 2021.
We are hiring for various teams in discovery (search, recommendation, merchandising,
intelligent notifications) , pricing (automated pricing, competition price awareness, balancing revenue with profits, etc), user growth and retention (bargains, gamification), monetisation (ads), order fulfillment (cart/checkout, warehousing, last mile, delivery promise, demand forecasting), customer support, data infrastructure (warehousing, analytics), ML infrastructure (data versioning, model repository, model training, model hosting, feature store, etc). We are looking for passionate problem solvers to join us and solve really challenging problems and scale DealShare systems
You will:
● Implement the solve with minimal guidance after solutioning closure with senior engineers.
● Write code that has good low level design and is easy to understand, maintain, extend
and test.
● End to end ownership of product/feature from development to production and fixing
issues
● Ensure high unit, functional and integration automated test coverage. Ensure releases
are stable.
● Communicate with various stakeholders (product, QA, senior engineers) as necessary to
ensure quality deliverables, smooth execution and launch.
● Participate in code reviews, improve development and testing processes.
● Participate in hiring great engineers
Required:
● Bachelor’s degree (4 years) or higher in Computer Science or equivalent and 1-3 years
of experience in software development
● Excellent at problem solving, is a self thinker.
● Good understanding of computer science fundamentals, data structures and algorithms
and object oriented design.
● Good coding skills in any object oriented language (C++, Java, Scala, etc), preferably in
Java.
● Prior experience in building one or more modules of large-scale, highly available, low
latency, high quality distributed system is preferred.
● Extremely good at problem solving, is a self thinker.
● Ability to multitask and thrive in a fast paced timeline-driven environment.
● Good team player and ability to collaborate with others
● Self driven and motivated, very high on ownership
Is a plus
● Prior experience of working in Java
● Prior experience of using AWS offerings - EC2, S3, DynamoDB, Lambda, API Gateway,
Cloudfront, etc
● Prior experience of working on big data technologies - Spark, Hadoop, etc
● Prior experience on asynchronous processing (queuing systems), workflow systems.
Responsibilities:
- Design the architecture of new services to deliver timely communication from server to client and server to server, while still functioning alongside existing server components
- Describe and implement the communications across multiple network layers, considering performance, reliability, and flexibility with respect to the underlying infrastructure
- Enhance and expand the ORM layer of MZ’s in house web framework
- Craft software solutions for supporting flexibility in resource allocation, from compute to storage
- Serve as a technical leader for projects of year-long scope involving multiple contributors and customers
- Consult with technical operations on appropriate Kubernetes-based infrastructure design
- Design for performance, and measure the effects
- Review your colleagues’ code, and learn from their reviews as well
- Identify, document, and communicate best practices for the engineers who use the fruits of your labor
Requirements:
- 7+ years professional work experience
- BS or MS degree in Computer Science or a related technical field
- Must be proactive, self-directed, detailed and organized
- Proficient in PHP, C++, or Go
- Knowledge of relational databases and SQL, preferably MySQL
- Experience with in-memory NoSQL databases, such as Redis
- Ability to debug issues within custom code quickly
- Passion for developing scalable and maintainable software systems
Bonus Points:
- An open-minded and technology-agnostic approach to engineering
- Passion for performance debugging and benchmarking
- Real world experience developing distributed systems
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
Exciting opportunity for a MTS 3 in our Blockchain Engineering team. You will be working with a team of engineers dedicated to making the VMware Blockchain Platform the dominant Enterprise Blockchain solution.
At VMware, we are building an Enterprise Blockchain with innovation, enterprise-grade capability, and solutions that will power blockchain in every market sector.
You will work with a team of talented and supportive individuals from across the world as well as members of the academic community and VMware’s Research Group in this role. Our team values diversity, collaboration, and open thought while supporting VMware’s EPIC2 values.
Are you ready for your next great challenge with the Blockchain Engineering team in VMware?
Responsibilities
- Contribute to implementation of an enterprise blockchain solution. This includes but is not limited to work on the Byzantine Fault Tolerant State Machine Replication layer, work on the execution engine and smart contract layer and work on the ledger layer.
- Collaborate effectively with other engineers and researchers to solve complex problems
- Collaboration with cross functional teams involved in the product delivery
- Working with global team in different geographical locations
Requirements
- Knowledge of modern software development methodologies.
- Deep understanding of distributed computing concepts in practice
- Ability to work independently and work collaboratively in a team environment,
including quickly getting up to speed with new technologies.
- Strong development experience in C++( v11 and higher) in Linux
- Expertise in one of the following: distributed systems, security/cryptography
- Proficient organizational skills with the ability to lead challenging demands.
- Experience with leading the everyday activities of a global engineering team using Agile/Scrum processes.
Who you are:
- Self Starter – Thrive in a fast paced and changing environment.
- Strong collaboration skills with a “Team First” mentality.
- Technical engineering excellence, innovation in everything you do.
- “Growth” mindset in tackle problems and creating great solutions.
About the Role
The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for technical leaders with passion and experience in architecting and delivering high-quality distributed systems at massive scale.
Responsibilities & ownership
- Lead end-to-end delivery and customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product
- Lead and mentor others about concurrency, parallelization to deliver scalability, performance and resource optimization in a multithreaded and distributed environment
- Propose and promote strategic company-wide tech investments taking care of business goals, customer requirements, and industry standards
- Lead the team to solve complex, unknown and ambiguous problems, and customer issues cutting across team and module boundaries with technical expertise, and influence others
- Review and influence designs of other team members
- Design and deliver architectures that run optimally on public clouds like GCP, AWS, and Azure
- Partner with other leaders to nurture innovation and engineering excellence in the team
- Drive priorities with others to facilitate timely accomplishments of business objectives
- Perform RCA of customer issues and drive investments to avoid similar issues in future
- Collaborate with Product Management, Support, and field teams to ensure that customers are successful with Dremio
- Proactively suggest learning opportunities about new technology and skills, and be a role model for constant learning and growth
Requirements
- B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
- Fluency in Java/C++ with 15+ 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
- 8+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
- Subject Matter Expert in one or more of query processing or optimization, distributed systems, concurrency, micro service based architectures, data replication, networking, storage systems
- Experience in taking company-wide initiatives, convincing stakeholders, and delivering them
- Expert in solving complex, unknown and ambiguous problems spanning across teams and taking initiative in planning and delivering them with high quality
- Ability to anticipate and propose plan/design changes based on changing requirements
- Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
- Passion for learning and delivering using latest technologies
- Hands-on experience of working projects on AWS, Azure, and GCP
- Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and GCP)
- Understanding of distributed file systems such as S3, ADLS or HDFS
- Excellent communication skills and affinity for collaboration and teamwork
















