Senior Java Developer

JobTitle : Mission Control Software Engineer – Java Backend

Experience : 4+ Years

Location : Bengaluru, Karnataka (On-site)

Employment Type : Full-time

Industry : Space Technology

🧠 Role Overview :

As a Mission Control Software Engineer – Java Backend, you will be a founding member of the Mission Control Software team. You will design and develop the backend core of a distributed, high-reliability system responsible for streaming, processing, and routing satellite data.

This role offers high ownership and the opportunity to directly influence system architecture as it evolves from a single-node deployment to a scalable multi-node system.

🛠️ Tech Stack :

Java 11+, gRPC, REST APIs, PostgreSQL, Docker, Linux, WebSockets, Git, CI/CD

⚙️ Key Responsibilities :

• Design, develop, and maintain backend services in Java (11+) for data ingestion, processing, and control workflows
• Build and enhance gRPC and REST APIs for internal and external system integrations
• Develop modular plugins and middleware for routing, persistence, and automation
• Work with PostgreSQL and other databases for structured and time-series data
• Collaborate with frontend teams to support real-time dashboards via WebSockets/event streaming
• Ensure system scalability, reliability, and observability through logging, metrics, and testing
• Contribute to containerized deployments (Docker) and CI/CD pipelines
• Write clean, maintainable, and well-documented code with strong test coverage

🧩 Required Skills & Experience :

• 4+ years of experience in backend or distributed systems development.
• Strong proficiency in Java (11+), including concurrency and networking concepts.
• Experience with frameworks like Spring Boot, Vert.x, or similar.
• Hands-on experience with gRPC and REST API design.
• Strong knowledge of SQL databases (PostgreSQL preferred) and schema design.
• Experience working in Linux environments, with Git and Docker.
• Familiarity with event-driven systems / messaging queues (Kafka, RabbitMQ, MQTT, etc.).
• Ability to design scalable architectures and write automated tests.

⭐ Good to Have :

• Experience with real-time systems, telemetry, IoT, or satellite systems
• Exposure to distributed systems / microservices / high-availability architectures
• Working knowledge of Python for scripting or integrations
• Experience with monitoring tools like Prometheus and Grafana
• Interest in hardware-software integrated systems

Experience in Java

Experience in spring Boot

Experience in microservices

experience in Project management

Experience in leading team

Experience in customer facing

Experience in Product Management

MUST HAVES:

• #java11, Java 17 & above only
• #springboot #microservices experience is must
• #cloud experience is must (AWS or GCP or Azure)
• Strong understanding of #functionalprogramming and #reactiveprogramming concepts.
• Experience with asynchronous programming and async frameworks/libraries.
• Proficiency in #sql databases (MySQL, PostgreSQL, etc.).
• WFO in NOIDA only.

Other requirements:

• Knowledge of socket programming and real-time communication protocols.
• Experience of building complex enterprise grade applications with multiple components and integrations
• Good coding practices and ability to design solutions
• Good communication skills
• Ability to mentor team and give technical guidance
• #fullstack skills with anyone of #javascript or #reactjs or #angularjs is preferable.
• Excellent problem-solving skills and attention to detail.
• Preferred experience with #nosql databases (MongoDB, Cassandra, Redis, etc.).

About the Role 

As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives. 

Responsibilities 

•  Designing, developing and maintaining core system features, services and engines
• Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
• Ensure the developed backend infrastructure is optimized for scale and responsiveness 
• Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project. 
• Introducing new ideas, products, features by keeping track of the latest developments and industry trends 
• Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules

Requirements 

• Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)  
• Proficiency in working on Linux based Operating system. 
• Working Knowledge of container orchestration platform like Kubernetes
• Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus 
• Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java). 
• Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks. 
• Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc. 
• Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.  
• Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming). 
• Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
• Experience developing cloud software services and an understanding of design for scalability, performance and reliability
• Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads. 
• Proficiency is concepts of monolithic and microservice architectural paradigms. 
• Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.   
• Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb 
• Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus 
• Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus 
• Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus 
• Proficiency in functional programming ( Scala ) languages is an added plus 
• Proficiency in working with NoSQL/graph databases is an added plus 
• Proficient understanding of code versioning tools, such as Git is an added plus 
• Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus 
• Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus 
• Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus  

·       3+ yrs of experience in product development (Preferring SaaS based)

·       Must have experience in Java web-based application development

·       Hands on development experience on Java/J2EE, Springboot, Spring, Struts, Hibernate, REST Services

·       Experience on HTML, JavaScript, JQuery

·       Hands on experience on database-writing queries/procedures

·       Experience on SVN,GIT,

·       Knowledge of Server configuration

·       Knowledge of cloud preferably AWS

Purpose

 To design, develop, test, and maintain integrated software applications, systems, and platforms

 Responsible for ensuring that the software created is reliable, scalable, and secure

 The candidate should use his/her expertise to maintain enterprise wide upstream and downstream integration

solutions that help organizations achieve their business goals and provide value to end-users

Key Accountabilities

Responsibilities will include but will not be restricted to:

 Designing and developing solutions at middleware and integration layer

 Ensure the best standards are followed for integrating with multiple upstream and downstream

applications

 Documenting and Developing APIs which are fault tolerant, performance oriented and allow for publishing

across multiple sources

 Ensure management of the interfaces on the WSO2 EI platform

 Ensure continuous monitoring, troubleshooting, and debugging

 Ensuring that the integrations development is part of the overall CI/CD pipeline

 Working with stakeholders to ensure that integration solutions meet business requirements and are

delivered on time

Technical Requirements

 A Bachelor’s degree in Computer science, software engineering, or any other equivalent field

 Has 6+ years of experience in the field of software engineering or software development

 Experience with WSO2 middleware technologies like WSO2 Enterprise Integrator (EI), WSO2 API Manager,

and WSO2 Identity Server

 Experience in developing multiple type interfaces such as SOAP, REST, WebHooks, GraphQL and having

knowledge of working on changing one type to other

 Software development skills including proficiency in a modern programming language such as

Java/C++/Python/Golang.

 The ideal candidate should have worked on application development within an enterprise ecosystem.

 The person should also have the necessary knowledge to connect to systems like mail, DB, external

systems, or APIs etc.

 Ideally the person should have demonstrated creating common interfaces or adapters for interactions

between heterogeneous systems with least amount of code change or no code change at all on both the

integrating systems.

 The person needs to be hands on and should be able to write code and review the code of teammates.

Desired Personal Qualities and Behavior

 Excellent relationship management skills with the ability to engage, negotiate and manage key

stakeholders and suppliers.

 Excellent communication, interpersonal and influencing skills.

Cloudera Data Warehouse Hive team looking for a passionate senior developer to join our growing engineering team. This group is targeting the biggest enterprises wanting to utilize Cloudera’s services in a private and public cloud environment. Our product is built on open source technologies like Hive, Impala, Hadoop, Kudu, Spark and so many more providing unlimited learning opportunities. 

A Day in the Life

Over the past 10+ years, Cloudera has experienced tremendous growth making us the leading contributor to Big Data platforms and ecosystems and a leading provider for enterprise solutions based on Apache Hadoop. You will work with some of the best engineers in the industry who are tackling challenges that will continue to shape the Big Data revolution.  We foster an engaging, supportive, and productive work environment where you can do your best work. The team culture values engineering excellence, technical depth, grassroots innovation, teamwork, and collaboration.

You will manage product development for our CDP components, develop engineering tools and scalable services to enable efficient development, testing, and release operations.  You will be immersed in many exciting, cutting-edge technologies and projects, including collaboration with developers, testers, product, field engineers, and our external partners, both software and hardware vendors.

Opportunity:

Cloudera is a leader in the fast-growing big data platforms market. This is a rare chance to make a name for yourself in the industry and in the Open Source world. The candidate will responsible for Apache Hive and CDW projects. We are looking for a candidate who would like to work on these projects upstream and downstream. If you are curious about the project and code quality you can check the project and the code at the following link. You can start the development before you join. This is one of the beauties of the OSS world. 

https://hive.apache.org/" target="_blank">Apache Hive

Responsibilities:

• Build robust and scalable data infrastructure software

• Design and create services and system architecture for your projects 

• Improve code quality through writing unit tests, automation, and code reviews

• The candidate would write Java code and/or build several services in the Cloudera Data Warehouse. 

• Worked with a team of engineers who reviewed each other's code/designs and held each other to an extremely high bar for the quality of code/designs

• The candidate has to understand the basics of Kubernetes.

• Build out the production and test infrastructure. 

• Develop automation frameworks to reproduce issues and prevent regressions.

• Work closely with other developers providing services to our system.

• Help to analyze and to understand how customers use the product and improve it where necessary.  

Qualifications:

• Deep familiarity with Java programming language.

• Hands-on experience with distributed systems. 

• Knowledge of database concepts, RDBMS internals.

• Knowledge of the Hadoop stack, containers, or Kubernetes is a strong plus.  

• Has experience working in a distributed team. 

• Has 3+ years of experience in software development.