SQL Developer

Job Title : Senior Java Developer (Telecom Domain)

Experience : 6 to 10 Years

Location : Nagpur, Maharashtra

Job Summary :

We are looking for a Senior Java Developer with strong experience in the Telecom domain to design and develop enterprise messaging applications.

The ideal candidate should have hands-on expertise in Java, Kannel SMS Gateway, SMPP protocol, and telecom messaging platforms, along with experience building scalable REST APIs and microservices.

Mandatory Skills :

Java 8/11/17, Spring Boot, Spring Framework, Hibernate/JPA, REST APIs, Microservices, Kannel SMS Gateway, SMPP Protocol, Telecom Messaging Platforms, SMSC Integration, SQL, Linux, Git, CI/CD, Telecom Domain Experience.

Key Responsibilities :

• Design, develop, and maintain Java-based enterprise applications.
• Develop and integrate SMS solutions using Kannel SMS Gateway and SMPP.
• Build REST APIs and Microservices using Spring Boot.
• Integrate with SMSCs and telecom messaging platforms.
• Optimize application performance, reliability, and scalability.
• Troubleshoot production issues and collaborate with cross-functional teams.
• Perform code reviews and mentor junior developers.

Required Skills :

• 6 to 10 years of Java development experience.
• Strong expertise in Java 8/11/17, Spring Boot, Spring MVC, Hibernate/JPA.
• Hands-on experience with Kannel SMS Gateway and SMPP protocol.
• Experience with Telecom SMSCs and messaging platforms.
• REST APIs, Microservices, SQL (MySQL/PostgreSQL/Oracle).
• Linux/Unix, Git, CI/CD pipelines.
• Strong debugging and problem-solving skills.

Preferred Skills :

• Kafka, RabbitMQ, or ActiveMQ.
• Docker & Kubernetes.
• AWS, Azure, or GCP.
• Redis and monitoring tools (Grafana, Prometheus, ELK).
• Experience with Agile/Scrum.

Mandatory Requirement :

Candidates must have prior Telecom industry experience with hands-on working knowledge of SMPP, SMSC, and Kannel SMS Gateway. Profiles without Telecom messaging experience will not be considered.

Job description:

Roles & Responsibilities

At Dolat, code is our business, so naturally, the Core Engineering and Systems team is at the centre of what we do. Our community of developers has designed and continues to enhance one of the fastest trading platforms using the latest tools and technologies. As a Software Developer, you’ll draw upon your computer science, mathematical, and analytical abilities to develop complex and nimble code used to grow our business and increase the efficiency of the global financial markets. Your responsibilities may include any of the following, which will require you to exercise discretion and independent judgment:

 Augmenting, improving, redesigning, and/or re-implementing Dolat's low-latency/high throughput production trading environment, which collects data from and disseminates orders to exchanges around the world

 Optimizing this platform by using network and systems programming, as well as other advanced techniques

 Developing systems that provide easy access to historical market data and trading simulations

 Building risk-management and performance-tracking tools

 Shaping the future of Dolat through regular interviewing and infrequent campus recruiting trips

 Implementing domain-optimized data structures

 Learn and internalize the theories behind current trading system

 Participate in the design, architecture and implementation of automated trading systems while taking ownership of system from design through implementation

Skills & Experience

 A strong background in data structures, algorithms, and object-oriented programming in C++

 Exchange Connectivity experience a plus

 Familiarity with Linux environments; Windows a plus

 High level knowledge & competencies in one or more of the following areas: TCP stack optimization Multi-core 1 machine parallelism Low level performance / cache optimization / profiling

Additional requirements include:

 Experience in distributed and/or highly concurrent systems is a plus

 Experience in low-latency systems and/or high transaction environments is a plus

 A passion for new technologies and ideas

 The ability to manage multiple tasks in a fast-paced environment

 Experience in network topologies and protocols like TCP and UDP

• Proven record of designing and delivering complex networking products from inception to production delivery. 
• Previous experience developing quality software for commercial products.
• Experience with communication systems involving wireless, radio, security and mesh networking technologies is a plus.
• Ability to work in a small team on fast paced projects that have tight deadlines
• Experience using Agile/Scrum methodologies.
• Seeking 10+ years software development experience
• Experience with Embedded real-time systems
• Must be an excellent SW developer. We expect experience developing software C/C++ in Linux. Python and other scripting languages is a plus.
• Target hardware includes Embedded CPU, DSP, and ARM environments
• Experience with Linux development infrastructure, tool chain and build environment.
• Experience developing both Linux device drivers and application software; installing Linux software and configuring embedded Linux systems
• Experience with OSI networking protocols and applications
• Experience and knowledge of Board Support package (BSP) development including board bring up, tool chain creation, and firmware/diagnostics support
• Experience with system development tools, including Source-Level Debuggers, Logic Analyzers, Oscilloscopes, Code Analysis tools, etc.

Requirements:

• Energetic self-starter, with a desire to work in a startup environment.
• Proficient in advanced Java programming skills.
• Expert in Application development cloud/on premise end to end. Middle layer, DB layer.
• Nice to have understanding on MQ and DB
• Good hands on in Complex Event Processing systems.
• Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time.
• Real world experience working with large datasets and NoSQL database technologies
• Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)
• Experience developing RESTful APIs for complex data sets
• Knowledge of container based development & deployment (e.g. Dockers, rkt)
• Expertise in software security domain, a plus

Job Description

• Develop p2p infrastructure systems to support blockchain interoperability
• Improve engineering standards, tooling, and processes
• Coding with concurrency, efficiency and scalability as primary motive
• Rigor on Unit testing, coverage and best practices
• Document systems, build runbooks, and automate those processes
• Being hands on by writing, testing, and deploying high-performance networking code.

Required qualifications

1+ years of experience in Golang, Strong knowledge of Go programming language, paradigms, constructs, and idioms, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack

Go, git, linux, bash, ability to work with Docker.

Nice to have

Experience developing in c++, cryptography and system software development experience,understanding of design patterns, understanding of operating systems, networks.