Java Developer at Mars Telecom systems · Hyderabad · 7 - 13 years · ₹7L - ₹20L / yr · Profitable · Posted 16 Mar 2023

Knowledge & Experience required:
· Bachelor's degree in Computer Science Engineering or equivalent degree.
· 7 years of development experience as a seasoned Java developer
· 7 years of experience in developing enterprise applications using enterprise Java 8 and has worked both on Web and Server side technologies.
· A strong Java Backend Developer with Core Java 8, Spring, Spring Boot, Hibernate, REST Web-services.
· Expertise in Java Unit Testing Frameworks and tools such as JUnit, TestNG, Mockito etc.
· As a Senior developer, must be comfortable switching tasks between Web Services, APIs, Batch Job engine or Web Development.
· Passionate Java developer who is also a problem solver and has a very good understanding of core and advanced Java concepts.
· Good understanding of database and data fundamentals in SQL Server 2017, Oracle and NoSql databases.
· Good understanding of Web Service concepts and experience building RESTful services is required.

About Mars Telecom systems
About
Similar jobs (10)
Job Title : Senior Java Developer
Experience : 6+ Years
Shift Timing : 01:00 PM to 10:00 PM
Domain : Clinical Research
Location : Noida, Gurgaon & Pune
Mandatory Skills :
Java 8+, Hibernate, Oracle, PostgreSQL, JAX-RS (RestEasy), Jackson, REST APIs, JSP, React.js, GitHub, GitHub Actions, SonarQube, SonarLint, and AWS (IAM, SNS, SQS, S3, CloudWatch).
Job Summary :
We are looking for an experienced Senior Java Developer with 6+ years of experience to join the software development team of a leading Clinical Research organization.
The role involves developing and enhancing enterprise applications, building scalable APIs, and contributing to feature development while ensuring code quality and best practices.
Key Responsibilities :
- Develop and maintain enterprise applications using Java 8+ and Hibernate.
- Design and consume RESTful APIs using JAX-RS (RestEasy) and Jackson.
- Work with Oracle and PostgreSQL databases, including complex query writing.
- Develop UI components using JSP and React.js.
- Utilize GitHub and GitHub Actions for version control and CI/CD processes.
- Ensure code quality through SonarQube and SonarLint.
- Work with AWS services including IAM, SNS, SQS, S3, and CloudWatch.
- Collaborate with cross-functional teams to deliver high-quality solutions.
Note : Candidates should preferably be sourced from organizations within the Grid ecosystem.
Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon Sector - 48
Working Days : 6 Days WFO (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework
- Develop backend components, server-side logic, and statistical models
- Design and implement high-availability, low-latency applications with robust data protection and security
- Contribute to the development of highly responsive web applications
- Collaborate with cross-functional teams on system design and integration
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
- Familiarity with MongoDB and other NoSQL databases.
- Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
- Knowledge in building and integrating statistical learning models.
Job Role Solution Architect
Experience 15+ years
Notice period Immediate
Location - Bangalore
Note: OMS & Retail domain Experience is mandatory
Introduction
We are looking for an experienced Solution Architect with strong hands-on expertise in Java and Microservices architecture.
Responsibilities include:
- Design and define end-to-end solution architecture for enterprise applications using Java and Microservices.
- Lead architecture discussions, technical design reviews, and solution blueprints.
- Drive microservices-based application design, including service decomposition, API contracts, and integration patterns.
- Define and govern RESTful API standards and service-to-service communication.
- Work closely with product owners, business stakeholders, and development teams to translate business requirements into technical solutions.
- Provide technical leadership and mentorship to development teams.
- Ensure solutions meet non-functional requirements such as scalability, performance, availability, and security.
- Review code, architecture artifacts, and ensure adherence to best practices.
- Support DevOps, CI/CD strategy, and cloud-native adoption.
- Identify technical risks and propose mitigation strategies.
Primary Skills :
- 10+ years of proven experience in the industry, with at least 3 years as an Architect or similar role designing and developing enterprise-scale applications.
- Bachelors in engineering / technology (4 year) or master's in computer applications (2 year)
- Must possess at least 6+ years of Software development experience.
- Expert knowledge in at least one object-oriented programming language like Java, one backend framework like Spring Boot / Node JS, one UI framework like React JS / Angular JS and RDBMS or NoSQL database.
- Excellent knowledge of front-end programming languages, such as HTML, CSS, JavaScript, and AngularJS, with the ability to render server-side and client-side content.
- Helps identify newer practices and adoption of existing ones. Ensure that the code quality is maintained via own and/or peer code reviews.
- Can lead the team in delivery of backend and user interface code. Ensure that the DevOps tasks are
executed well.
- Ensure that the software has the correct level of logging & monitoring in Production and LLEs.
- Exceptional problem-solving skills.
- Excellent written and verbal communication. Must understand the client’s business requirements and translate them into software requirements. Has a view of the deliverable timeline and escalates when needed.
- Ability to articulate technical designs & develop documentation, flowcharts, layouts, diagrams, charts etc.
- Experience in implementing OMS products for retail customers will be an added advantage.
- Ability to do estimation for the given requirements.
- Ability to lead technical discussions with clients.
- Must be able to do quick proofs of concepts and demos based on client requirements.
- Provide timely feedback on the performance of team members.
- Conduct interviews & provide feedback to achieve hiring objectives.
- Contributes to organization building functions such as hiring, training, mentoring, team building.
Secondary Skills :
- Experience with Docker and Kubernetes for containerized deployments.
- Exposure to Cloud platforms such as AWS, Azure, or GCP.
- Knowledge of CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, etc.).
- Experience with Kafka / RabbitMQ or other messaging systems.
- Good understanding of SQL and NoSQL databases.
Basic knowledge of:
- Application security (OAuth2, JWT, TLS)
- Logging & monitoring (ELK, Prometheus, Grafana, CloudWatch, etc.)
Required Skill Set
Software Engineer/Senior Software Engineer/Lead Engineer-Java
- Experience in Core Java 8.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
- Possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS
- Good knowledge of multi-threading and high volume server side development
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Responsibilities
- Understand product requirements and come up with solution approaches
- Build and enhance large scale domain centric applications
- Deploy high quality deliverables into production adhering to the security, compliance and SDLC guideline.
Looking for a Senior Java Developer | Bangalore to join a team of rockstar developers. The candidate should have a minimum of 8+ years. of experience in Java.
There are multiple openings. If you're looking for career growth & and a chance to work with the top 0.1% of developers in the industry, this one is for you! You will report to IIT'ans/BITS grads with 10+ years of development experience and work with F500 companies (our customers).
Company Background - CodeVyasa is a Software product engineering and Development company that helps Early-stage and mid-market Product companies with IT Consulting, App Development, and On-demand Tech Resources. Our Journey over the last 3 years has been nothing short of a roller-coaster. Along our way, we've won some of the most prestigious awards while driving immense value to our customers & and employees. Here's the link to our website (codevyasa.com). To give you a sense of our growth rate, we've added 70+ employees in the last 6 weeks and expect another 125+ by the end of Q1 2024.
Requirements:
- Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).
- Minimum of 6 years of experience as a Java Developer
- Aptitude for learning new technologies quickly.
- Good problem-solving and analytical skills.
What We Offer:
Glassdoor rating of 4.8, indicating high employee satisfaction.
Free healthcare benefits.
Strong focus on upskilling and professional development opportunities.
Diverse and inclusive work environment.
Competitive compensation and benefits package.
Emphasis on maintaining a healthy work-life balance.
Primary Responsibilities
Providing technical expertise for every phase of the project lifecycle—from concept development to solution design, implementation, optimization and support. Interacts with a set of clients (client senior developers and architects) to create technology specifications from business requirements for one of the modules within the project.
Prepares the technical design of the more complex technology components within the module (one or more of client/web presentation tier, server tier, data access and data model, integration component, package function customization).
Assists the architect in articulating the pros and cons of using a certain technology stack or component or design pattern versus another to the clients and project team and drives selection of technologies, designs to come up with the optimal architecture. Drives the performance tuning, re-design and re-factoring for a module.
Contributes to designing and implementing the build, releases process as well as system configuration and deployment characteristics of the application.
4+ years of strong development skills in Java with JDK 1. 8 & above version &
Microservices with Spring boot/ Spring.
Should have strong acumen in Data Structures, Algorithms, problem-solving and Logical/ Analytical skills.
Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
Sound understanding of concepts like Exceptional handling, Serialization/ Deserialization and Immutability concepts, etc.
Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto boxing, etc.
Experience with Multithreading, Concurrent Package and Concurrent APIs Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
Experience with at-least one NoSQL (Any of Cassandra/Couch base/Hadoop), Hands-on experience with JMS
Hands-on experience in creating RESTful webservices and consuming webservices
Hands-on experience with Spring.
Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
Experience of writing Junit test cases using Mockito / Powermock frameworks.
Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
Good communication skills and ability to work with global teams to define and deliver on projects.
Sound understanding/experience in software development process, test-driven development.
About us
Publicis.Sapient, the digital business transformation hub of Publicis Groupe, helps clients drive growth and efficiency and evolve the ways they work, in a world where consumer behavior and technology are catalyzing social and commercial changes at an unprecedented pace. With 17,000 people and over 100 offices around the globe, our expertise spanning technology, data
sciences, consulting and creative, combined with our culture of innovation, enables us to deliver on complex transformation initiatives that accelerate our clients’ businesses through creating the products and services their customers expect.
You will be part of a talented software team that works on mission critical applications. Candidates should be willing to increase his/her circle of competence by researching for solutions in handover mannual and online resources. Ability to work independently is highly appreciated.
Requirements :-
- Graduate in Computer Science, Engineering or a related subject.
- 2+ years proven hands-on Software Development experience in JAVA.
- Perseverent in solving coding problems.
- Understanding of concepts related to .xml and .xsd files like targetNamespace, schema, xml datatypes, linkbases, arcs etc.
- Strong knowledge and hands-on experience of Java OOPs concepts, inheritance, abstract classes, interfaces, generics, exception handling and multithreading.
Good to have :-
- Experience with XML parsers like SAX.
- Experience with JSON file processing libraries like GSON.
- Dependency and build management using Maven scripts.
- Familiarity with Tomcat deployment.
- Familiarity with Spring Boot.
- Familiarity with Git/SVN for version control.
Responsibilities :-
- Developing features for validation engine.
- Attending client queries and assisting the clients in product integration.
- Catchup with the XBRL domain asap.
- Debugging and fixing bugs in the codebase. Testing changes for impact using available test harnesses.

Description
Experience: 1.5 to 3 yrs
* Hands on work experience developing in Java and J2EE
* Hands on work experience developing in JavaScript
* Extensive working experience in Springboot
* Good to have No SQL (Mongo DB) and My SQL Exposure
* Good to have experience in AWS cloud environment
* Designing, developing, troubleshooting and debugging software within a project scope ensuring that work product meets end user acceptance criteria.
* Managing self-directed assignments to resolve software defects or implement features to meet schedule commitments with a high-level of quality.
* Acquiring knowledge of industry and company standards, tools and technology with a focus on pragmatic application to business-focused software solutions through initiative and self-study
Requirements
Primary Skill Java Springboot, Java Script
Good to have Mongo Db (No Sql), My SQL and Exposure to AWS
Benefits
Salary:300000 LPA to 500000 LPA
- 1-3 years of production-grade experience in Go Language Developer
- Strong knowledge of Go programming language, paradigms, constructs, and idioms
- Knowledge of common Goroutine and channel patterns
- Experience with the full site of Go frameworks and tools, including:
- Dependency management tools such as Godep, Sltr, etc.
- Go's templating language
- Go's code generation tools, such as Stringer.
- Popular Go web frameworks, such as Revel
- Router packages, such as Gorilla Mux
- You must have the ability to write clean and effective code comments
- You must be familiar with the following Databases
- MySQL,MongoDB,Redis
- You must be familiar with RESTful APIs
- Understanding of Docker,Kubernetes is a bonus
- You must be familiar with code versioning tools such as Git
- Understanding of Front-end Technologies such as React.js & Next.js is a bonus
Educational:
- B. Tech / B. E in Computer Science or related field or MCA









