
Job Title: Java Developer – Telecom & SMS Platform
About the Role
We are looking for a skilled Java Developer with experience in the Telecom domain and SMS messaging platforms. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend applications that support high-volume messaging systems, telecom integrations, and enterprise-grade services.
Key Responsibilities
- Design, develop, and maintain backend applications using Java and Spring Boot.
- Develop and consume RESTful APIs for telecom and messaging services.
- Build and maintain high-performance SMS gateway and messaging applications.
- Integrate with telecom protocols and third-party SMS providers.
- Work on SMPP-based integrations and messaging workflows.
- Optimize applications for high throughput, scalability, and low latency.
- Collaborate with Product, QA, DevOps, and Business teams throughout the SDLC.
- Write clean, maintainable, and well-documented code following best practices.
- Troubleshoot production issues and perform root cause analysis.
- Participate in code reviews and mentor junior developers when required.
Required Skills
- 7+ years of hands-on experience in Java backend development.
- Strong proficiency in Java 8/11/17.
- Experience with Spring Boot, Spring MVC, and Spring Data JPA.
- Strong understanding of REST APIs and Microservices architecture.
- Experience with SQL databases such as MySQL, PostgreSQL, or Oracle.
- Knowledge of NoSQL databases such as MongoDB or Redis is a plus.
- Experience with Git and Maven/Gradle.
- Good understanding of multithreading, collections, and JVM performance tuning.
- Familiarity with Agile/Scrum development methodology.
Telecom Domain Experience (Mandatory)
- Experience working in the Telecom industry.
- Hands-on experience with SMS platforms or messaging solutions.
- Experience with SMS Gateway integration.
- Good understanding of SMPP protocol and message routing.
- Experience with DLT compliance and SMS delivery workflows is preferred.
- Knowledge of telecom messaging systems, routing, and delivery reports.
- Experience integrating with telecom operators or SMS aggregators.
- Familiarity with messaging queues such as RabbitMQ, Apache Kafka, or ActiveMQ is an advantage.
Preferred Skills
- Experience with Docker and Kubernetes.
- Knowledge of AWS, Azure, or GCP cloud platforms.
- Experience with CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
- Monitoring tools such as Prometheus, Grafana, ELK, or Splunk.
- Understanding of security best practices, OAuth2, JWT, and API authentication.
Qualifications
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
- Relevant Java or Cloud certifications are a plus.
Nice to Have
- Experience handling high-volume transaction systems.
- Exposure to telecom billing, provisioning, or OSS/BSS systems.
- Experience working with enterprise messaging platforms.
- Strong analytical and problem-solving skills.
- Excellent communication and stakeholder management skills.

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Work With Us
Get To Know Us First!
Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.
At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.
Come join us and shape the future of Fin-Tech.
Do You Make The Cut?
We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.
You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.
Title: Lead SDE (Backend)
Location: Gurugram
Experience: 3-7 Yrs.
Education: Bachelor’s / Master’s in Software Engineering
Responsibilities
- In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
- Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
- Build reusable code and libraries for future use.
- Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
- Responsible for code quality of the product being developed along with unit and integration testing.
- Mentor junior developers to improve their skills, and make them more effective, product software engineers.
- Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.
Sounds Like You?
- 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
- 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
- Strong experience in technically leading junior developers with a focus on the goal.
- Strong experience in data structures & algorithms and their space & time complexities.
- Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
- Strong experience working with Databases like SQL & NoSQL.
- Experience working with microservices-based architecture.
- Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
- Experience working in an Agile environment.
- Solid understanding of the full software development life cycle and the domain.
- Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.
Life at Freecharge!
Our Playground!
- 450+ FCian’s, at Gurugram & Bengaluru locations
- Collaboration spaces & A flat and transparent culture
- Wow Corners, fun & reading Zone
- Best learning and development opportunities
Benefits
- Day-care facility
- Comprehensive Insurance Policy
- Wellness Benefits like Health check-ins
- 26 Weeks Maternity & 2 Weeks Paternity Leaves
- Adoption Assistance Program
- On-Site Parking at all locations
- A chance to have a big impact early in your career
ARE YOU READY?
TO
#ChargeYourFuture
Role & Responsibilities:
- Handle multiple products/modules simultaneously, lead the team in development and support
- Lead development teams
- Daily updates to customers and Product Managers/Delivery Managers
- Participate in design discussions
- Design and Architect small modules
- Effort estimations for modules, subsystems or use cases.
- Learn new skills and mentor the new team members
- Champion best practices within the team, including code reviews
Work Experience & Skills:
- B.E/B.Tech or any relevant Masters degree from reputed college.
- Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring JDBC, Jquery, Java script, HTML 5 and CSS
- Strong experience in Postgres or any SQL technology
- Experience with working on Tomcat, Apache, JBoss or any similar application server
- Should have 3+ years of experience in leading team.
- Good experience in JSON / RESTful API / Web Services.
- Experience in working on Agile methodology using Scrum and sprints
- Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
- Experience in cloud technologies, Microservices and frameworks such as AWS or GPC, container technologies like Docker is a plus.
- Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
- Experience in Microservices, SpringBoot and Angular is a plus.
- Experience with tuning deployed applications for scalability and performance.
- Good knowledge of deployment and scripting on Linux/Unix servers
- Strong technical documentation skills.
- Good oral and written communication skills
Summary
Miko is an advanced consumer robotics innovation lab focused with the mission of Bringing Robotics and AI to every consumer home. Founded by young and dynamic entrepreneurs from IIT Bombay, Miko is a global deep tech company with offices in US, UK and India, and customer base across 140+ countries. Focused on taking Robotics and AI to every consumer home, Miko is the first of its kind "content on subscription" hardware platform for kids powered by patented technology.
Our flagship products, Miko 3 and Miko Mini (www.miko.ai), are playful companion robots that engage, educate and entertain kids. Their unique approach is to focus on child learning and development through self-initiated contextual topics that encourage conversational learning. It hosts a powerful marketplace for third party content partners to plug their content and connect with Miko users on subscription.
Miko is powered by a proprietary emotional intelligence and adaptive personality engine, complex conversational and multilingual AI framework, edge and hybrid speech & vision recognition along with an active learning and behavioral analysis engine. All of this is built over an autonomous navigation system, which enables Miko to offer a range of benefits for the user.
The team at Miko team is an interdisciplinary team consisting of team members from electronics, embedded system, mechanical, industrial, robotics and AI engineering domains, Human Robot Interface designers, UI/UX designers, mobile and cloud software engineers, content creators, artists, mathematicians, neuropsychologists, marketing and sales mavericks, Customer support professionals and knowledge partners.
The Role
We are looking for a middleware software engineer to join the team. In this role you will be working on designing, developing and optimizing the middleware stack for current as well as new companion robot products.
Work Experience & Qualifications
2 years or higher industry experience in the Software domain. No restrictions on degree/qualifications; only skills matter. (* for Junior role)
Responsibilities
- Designing and developing software on the product to enhance current functionality and add new features. Lead the technical delivery of assigned tasks/projects.
- Consistent coordination and collaboration with the Backend, AI, Product and QA team for efficient development cycles and testing for new features and improvements.
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
- Ability to diagnose, troubleshoot and perform root cause analysis of critical business and production issues
- Strong technical leadership with experience building software engineering teams. Demonstrate strong ambiguity resolution skills to be able to break down ambiguous problems into simpler milestones and delegate to junior engineers
Requirements & Skills
- 2+ years of experience as a Software Engineer
- Expertise in C/C++ and Java
- Strong understanding of environment management, release management, code versioning best practices, and deployment methodologies.
- Experience with implementing various communication protocols like I2C, SPI, UART
- Experience working on Embedded Linux OS and Android
- Demonstrated experience in developing multi-threaded applications
- Experience with IPC including socket programming
- Should have hands on experience and thorough knowledge in STL, BOOST understanding of data structures and algorithms
- Experience with using Git as a version control system
- Excellent coding and debugging skills
- Ability to work in a fast paced environment
- Excellent verbal and written communication skills
You will be responsible for building these applications, as well as coordinating with the teams responsible for other layers of the product.
You will also be leading a team of developers ensuring timely delivery of high quality deliverables.
Responsibilities:
- Work across all phases of application development including requirement gathering, coding, release, bug fixing, documentation.
- Lead and mentor a team of developers guiding them in their day to day activities.
- Collaborate with other engineering teams to develop and deliver new features and enhance existing ones.
- Rapid prototyping (POCs) based on requirements.
- Test, debug and fix any functional or non-functional issues.
- Work with the architects to ensure feasibility of the design while ensuring all quality attributes are met.
- Participate in deployment and release activities.
Job Requirements:
- 5+years of relevant experience.
- Experience in leading a team.
- Expertise in Python, Django DRF, REST APIs
- Experience with Document DB, RDBMS and ORM.
- Demonstrated ability to write clean and testable code.
- Knowledge of MongoDB, PostgreSQL, Redis, ElasticSearch is preferred.
- Exposure to AWS will be an added advantage.
- Familiarity with front-end technologies (ReactJS, Javascript etc) will be a plus.
- Strong team player who can work efficiently in a highly collaborative effort.
- Self-motivated and able to work independently as well as within a team.
About Rolling Arrays
Rolling Arrays provides HR Software and HR System Implementation Services (SAP SuccessFactors, Qualtrics, Reimburse, CICO, eFile, eAuthoring) to Clients in Singapore, Malaysia, Australia, UAE, Hong Kong. Rolling Arrays (RA) was featured as Singapore’s Top 75 fastest growing companies by the leading newspaper of Singapore - The Straits Times in 2021 where RA was ranked 48. Rolling Arrays has 2 lines of businesses:
HR System Implementation Services:
Rolling Arrays is regarded as number ONE mid-size firm in the South East Asian Market with a strong track record of 12 Years and more than 200 enterprise level HR Technology Implementation projects till date. The services include –
- SAP SuccessFactors Design Consulting
- SAP SuccessFactors Implementation
- SAP SuccessFactors Change Management
- SAP SuccessFactors Support Services (AMS)
HR Software Products in Rolling Arrays’ portfolio (partner’s products and own products):
- SAP SuccessFactors (World’s leading End to End Cloud HR Software solution)
- Qualtrics (World’s leading Experience Management Software)
- Reimburse (AI Enabled Travel & Expense Management Software for Enterprises)
- CICO (Intelligent Time Capture Machine, a software alternative to Physical Biometric Devices)
- eFile (Digitize and contextualize all employee documents in one place)
- eAuthoring (Author and publish your own learning content to capture tacit knowledge in the organization)
• Maintain, update, and enhance ITSM environment including Incident, Request,
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• Participate in the implementation and configuration of other ServiceNow products
outside of ITSM to increase the adoption of the ServiceNow platform.
• Responsible for performing daily administration, issue resolution, and
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Monitor health, usage, and overall compliance of ServiceNow and its applications.
To be the right fit, you will need:
• Minimum of 2 years of demonstrated experience in ServiceNow development and
configuration.
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Platform technology and tools.
• Understanding of and experience working with IT Service Management processes
(Incident, Problem, Change, Release, SLM, Service Catalog), PPM/ITBM
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improvements, and update Manage and administer lists, filters, forms, platform
interfaces (to other data sources) and the data within tables, import sets and the
CMDB.
• Preferably certified in ServiceNow
We are looking for passionate and self-driven Software Engineers to join our Bangalore engineering center. You would be responsible for designing and developing world-class and truly differentiated software products in the online travel space.
Primary Responsibilities:
- Development & maintenance of Cleartrip’s product lines
- Involved in entire lifecycle including analysis, development, fixing, and monitoring of issues on the assigned Cleartrip product lines
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- 2+ years of Product Development experience
- Java, Spring Framework preferred
- Solid experience with databases (Oracle/MySQL) – a must
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- BE/B.Tech Computer Science Personality Traits/Attributes:
- Excellent communication skills
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- Problem-solving skills – Ability to research, analyze & find solutions independently.
Experience: 9 to 16 Yrs
Notice Period: Immediate to 15 days
Job Description:
- The Lead Engineer is responsible for deriving the technical architecture, detailed design, implementation, Performance, and Scalability of the developed system.
- The individual should be capable of single-handedly understanding the requirement, liaison with the product owner and external teams; produce the technical output required.
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1) Strong Python and Mongo DB is mandatory
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3) Knowledge in one or more frameworks like WSGI(uwsgi), Django, Flask, Web Application development
4) Exposure to Databases like MongoDB, BigQuery, Elastic Search, Redis, etc.,
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