Senior Java Developer / Architect (Consultant - Part time / Full time)

Description

We are seeking a skilled and detail-oriented Software Developer to automate our internal workflows, develop tools for internal use that are used by our development team.

We follow the following practices: unit testing, continuous integration CI, continuous deployment CD, and DevOps.

We have codebases in go, java, python, vue js, bash and support the development team that develops C code.

You need to like challenges, explore new fields and find solutions for problems.

You will be responsible for coordinating, automating, and validating internal workflows and ensuring operational stability, and system reliability.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 2+ years in professional software development
• Solid understanding of software development patterns like SOLID, GoF or similar.
• Experience automating deployments for different kinds of applications.
• Strong understanding of Git version control, merge/rebase strategies, tagging.
• Familiarity with containerization (Docker) and deployment orchestration (e.g., docker compose).
• Solid scripting experience (bash, or similar).
• Understanding of observability, monitoring, and probing tooling (e.g., Prometheus, Grafana, blackbox exporter).

Preferred Skills

• Experience in SRE
• Proficiency in CI/CD tooling (e.g., GitHub Actions, Jenkins, GitLab).
• Familiarity with build tools like Make, CMake, or similar.
• Exposure to artifact management systems (e.g., aptly, Artifactory, Nexus).
• Experience deploying to Linux production systems with service uptime guarantees.

Responsibilities

• Develop new services that are needed by SRE, Field or Development Team by adopting unit testing, agile, clean code practices.
• Drive the CI/CD pipeline and maintain the workflows, using tools such as GitLab, Jenkins
• Deploy the services and implement and refine the automation for different environments.
• Operate: The services that the SRE Team developed.
• Automate release pipelines: Build and maintain CI/CD workflows using tools such as Jenkins and GitLab.
• Version control: Manage and enforce Git best practices, branching strategies (e.g., Git Flow), tagging, and release versioning.
• Collaboration: Work closely with developers, QA, and product teams to align on release timelines and feature readines
• Success Metrics
• Achieve >99% service up time with minimal rollbacks.
• Delivery in time, hold timelines.

Benefits

Enjoy a great environment, great people, and a great package

• Stock Appreciation Rights - Generous pre series-B stock options
• Generous Gratuity Plan - Long service compensation far exceeding Indian statutory requirements 
• Health Insurance - Premium health insurance for employee, spouse and children 
• Working Hours - Flexible working hours with sole focus on enabling a great work environment 
• Work Environment - Work with top industry experts in an environment that fosters co-operation, learning and developing skills 
• Make a Difference - We're here because we want to make an impact on the world - we hope you do too!

Why Join RtBrick

Enjoy the excitement of a start-up without the risk!

We're revolutionizing the Internet's backbone by using cutting-edge software development techniques. The internet and, more specifically, broadband networks are among the most world's most critical technologies, that billions of people rely on every day. Rtbrick is revolutionizing the way these networks are constructed, moving away from traditional monolithic routing systems to a more agile, disaggregated infrastructure and distributed edge network functions. This shift mirrors transformations seen in computing and cloud technologies, marking the most profound change in networking since the inception of IP technology. 

We're pioneering a cloud-native approach, harnessing the power of container-based software, microservices, a devops philosophy, and warehouse scale tools to drive innovation. 

And although RtBrick is a young innovative company, RtBrick stands on solid financial ground: we are already cash-flow positive, backed by major telco investors like Swisscom Ventures and T-Capital, and our solutions are actively deployed by Tier-1 telcos including Deutsche Telekom (Europe's largest carrier), Regional ISPs and City ISPs—with expanding operations across Europe, North America and Asia. 

Joining RtBrick offers you the unique thrill of a startup environment, coupled with the security that comes from working in a business with substantial market presence and significant revenue streams. 

We'd love you to come and join us so why don't you embrace the opportunity to be part of a team that's not just participating in the market but actively shaping the future of telecommunications worldwide

We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.

Key Responsibilities

• Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
• Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
• Collaborate with data engineers and analysts to implement robust data workflows.
• Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
• Perform code reviews, unit testing, and contribute to CI/CD pipelines.
• Troubleshoot and optimize Spark performance for production workloads.
• Document technical solutions and mentor junior developers.

Required Skills & Qualifications

• 4-7 years of hands-on Java development experience.
• Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
• Proficiency in Java 8/11+ with multithreading and collections frameworks.
• Experience with data processing (ETL, data pipelines, big data).
• Familiarity with build tools (Maven/Gradle) and version control (Git).
• Strong problem-solving skills and Bangalore location availability.
• Excellent communication skills for cross-team collaboration.

Good to Have

• Experience with Snowflake for cloud data warehousing.
• Knowledge of DBT (Data Build Tool) for analytics engineering.
• Python scripting for data manipulation and automation.
• Exposure to AWS/GCP/Azure cloud platforms.
• Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).

• Core Java 5.0 and above
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain.
• Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS, preferably Sybase database
• Good knowledge of multi-threading and high volume server side development
• Experience in sales and trading platforms in investment banking/capital markets
• Basic working knowledge of Unix/Linux.
• Strong written and oral communication skills.
• Should have the ability to express their design ideas and thoughts.

Role Description

The SDE 2/3 will be part of the engineering/development team in Games24x7 Pvt. Ltd. and will be responsible for taking ownership of the core products of the company. The applicant must have good communication, interpersonal, technical and analytical skills in order to take part in the collaborative and cooperative development process that delivers the high quality software we use to provide the best possible playing experience to our players. He/she must be an expert in the Java programming language and needs to be familiar with popular IDEs, tools and scripting languages on the Linux operating system. Familiarity with an RDBMS, preferably PostgreSQL, is essential to succeed in this position.

General Accountabilities/Job Responsibilities:

• Participate in the requirements analysis, design, development and testing of applications.
• Write clean and efficient code and stay hands-on with it.
• Write high level code, code review, unit testing and deployment.
• Ensure practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contribute to the development of project estimates, scheduling, and deliverables.
• Work closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• Take up the opportunities to mentor and guide junior team members in excelling their jobs.

Requirements:

• B.E. /B.Tech. in Computer Science or MCA from a reputed university.
• 3-12 years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
• Hands on experience in core Java, multithreading, RMI, socket programing, JDBC, NIO, webservices and design patterns.
• Knowledge of distributed system, distributed caching, messaging frameworks, ESB etc.
• Experience in Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database
• Additionally, knowledge of HBase, Hadoop and Hive is desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Experience as a participant in agile methodologies.
• Excellent written and verbal communication skills and presentation skills.
• This is not a fullstack requirement, we are looking for a purely backend expert.

Roles & Responsibilities

As a member of our fast-growing engineering team, your responsibility will be to get involved in day-to-day development operations and solve complex problems of digitization to meet the demands of business.

To be successful, you must have a self-driven mindset, go getter attitude.

The responsibilities include:

• Writing the clean quality code & Understanding functional requirements thoroughly and analyzing the requirements in the context of the product
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities
• Being able to lead/support UAT and production roll outs
• Creating, understanding and validating estimated effort for given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations
• Helping the team in troubleshooting and resolving complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken
• Carrying out POCs to make sure that suggested design/technologies meet the requirements
• Carrying out DevOps activities which includes creating Jenkins pipeline

Key Skills

Should possess hands-on full life-cycle development experience (architect, design, code, test, release) be comfortable around both front-end and back-end coding languages, client/server-side development frameworks and third-party libraries.

• Should be strong in data structures and algorithms. Solid understanding of object-oriented programming
• Work with cutting edge technologies like Java 8, Scala, React, Akka, Docker, Puppet, and Salt
• Hands-on knowledge of Spring core, MVC, JPA. Working knowledge of Spring Boot
• Should have strong hands-on on one of the JavaScript frameworks: jQuery, AngularJS, ReactJS, and Vue.js.
• Willing to working with latest Cloud and Container technologies like AWS
• Experience with both external and embedded databases. NoSQL DB experience is good to have
• Implementing unit testing using frameworks like JUnit, Mockito, etc.
• Proficient understanding of code versioning tools, such as Git
• Familiarity with Maven (Other building tools Ant and Gradle are good to have)
• Familiarity with continuous integration
• Good understanding of Agile practices