Java Developer

About Streamlyn 

Streamlyn is a regional leader in adtech, specializing in enhancing monetization for  Publishers through innovative and compelling ad products. Our ad tech engagement  solutions suite empowers Publishers to elevate their business and monetize their  content effectively. With a vast network of premium publisher partners across Asia,  Streamlyn reaches over 100 million consumers monthly. 

Job Overview 

As a Senior Software Development Engineer at Streamlyn, you will play a pivotal role in  ensuring the stability and high quality of our products, serving billions of impressions  per month across diverse websites with varying audiences. The AdTech industry  demands robust and scalable systems. SDEs at Streamlyn are responsible for building  and maintaining systems that can handle large data volumes, service billions of  requests, and provide in-depth analytics to our publishers. You will be able to work on  various back-end systems, taking ownership of features from conception through  delivery. 

Our cutting-edge tech stack runs on AWS Cloud. It includes Java, Netty, Spring Boot,  NodeJS, Python, MariaDB, PostgreSQL, Aerospike, AWS Elasticache, AWS EMR, Apache  Spark, Kafka, Cassandra, Aerospike, AWS EKS, Docker Containers, and C++. 

Roles and Responsibilities: 

• Analyse and decompose complex software systems, collaborating with cross functional teams to influence design for testability.  
• Design and build advanced, highly scalable automated test and release  infrastructure.  
• Drive the adoption of best practices in code health, testing, and maintainability. 
• Build and cultivate innovation by driving cross-collaboration and project  execution across multiple teams.  
• Mentor and train team members on design techniques and coding standards. 
• Collaborate effectively with design, product, and engineering teams in various  global applications.  
• Audit existing codebase for performance enhancements and aid in architectural  decisions. Responsible for thoroughly testing output in all supported browsers  and devices. 

Qualifications: 

• Over 5 years of experience in developing high-performance, scalable services,  with a proven track record of taking product ownership and delivering robust  solutions. 
• Proficient in Java, Python, MySQL, and various NoSQL databases including  Aerospike, Redis, and Cassandra. Well-versed in Linux environments and shell  scripting. 
• Expertise in designing and implementing microservices architectures and  APIs, ensuring clean, scalable, and maintainable code through advanced  knowledge of design patterns and coding practices. 
• Demonstrated ability in building and operating high-volume, low-latency  distributed services optimized for scalability and speed. 
• Programming Languages: Java, Python 
• Databases: MySQL, Aerospike, Redis, Cassandra 
• Technologies: Kafka, ETL, Linux, Shell Scripting 
• Cloud Services: Extensive knowledge of AWS services 
• Strong analytical skills and proficiency in Data Structures and Algorithms.
• Advanced system design capabilities with a focus on continuous integration and  continuous deployment (CI/CD). 
• Experience in technical strategy refinement and mentorship of engineering  teams. 
• Ability to excel in dynamic environments, balancing multiple projects and  adapting to evolving business requirements. 
• Exceptional communication and collaboration skills, facilitating effective cross functional teamwork. 
• Highly motivated and curious with a commitment to lifelong learning and  professional development. 
• Experience with Agile methodologies preferred.  

Cultural Competencies 

• Out-of-the-box thinking, willingness to learn from failures, and bringing  innovation to the center stage. 
• Creative confidence 
• Collaborative mindset and excellent teamwork skills 
• Skilled at receiving feedback, as well as providing it 
• Entrepreneurial & adaptable; excellent learning skills 
• Transparent & communicative, patient 
• Curious, research-minded, data-informed

• Understand the requirement and convert that into API design.
• Write the code independently 
• Unit testing and bug fixing
• Write code with standards and conventions and follow best practices.
• Know how to engineer a full-fledged system and not just write code to make things work.
• Knowledge of agile methodologies, scrum.
• Should be able to guide juniors.
• Communication with clients for requirement understanding.
• Code Merging and deployment

• REST APIs in Spring Boot and Spring Framework
• MySQL Database, complex SQL queries (like joining multiple tables)
• Spring Security, JWT Tokens
• Third party Integration
• Unix basic commands
• Apache Tomcat, Deployment of War in Unix environment.
• Jira or any other Issue/Task tracking systems.

• 3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
• Working knowledge of JVM internals
• Working knowledge of any database (MySQL or HSQLDB)
• Working knowledge of No-SQL database (Mongo or Dynamo DB)
• Working experience with messaging (JMS/RabbitMQ)
• R & D on new advanced cloud-based technologies in a test-driven agile development.
• Knowledge in designing and architecting systems with high scalability and performance requirements.
• Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
• knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
• Certification on AWS Fundamendals
• Excellent communication skills
• ability to effectively articulate technical challenges and solutions
• skilled in interfacing with internal and external technical resources
• Good in debugging problems and mentoring teams on technical front

Responsibilities:

• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.

Requirements:

• BE/B. Tech. Computer Science or MCA from a reputed University.
• 3.5 - 6.5 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.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks ESB etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.

• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Own code for the products with responsibilities including but not limited to designing, developing, testing, maintenance of products.
• Building RESTful services and do DevOps.
• Talking to customers and business teams to suggest improvement areas in product flows.
• Create peer learnings for team members and build context for new teammates
• Help with building the company's tech team and iterating on the hiring framework.
• Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
• Keeping abreast with the latest technologies and working on your skills regularly.

Skills & Requirements

• Good knowledge and experience of working with backend systems; designing server-side architecture, including production maintenance experience are must-haves.
• At least 1-8 years of experience in any programming languages like Java, Ruby, PHP, Python, and Node.js(Node.js preferred).
• Understanding of micro-services-oriented architecture.
• Experience with Databases design (SQL, NoSQL) and analytics
• Experience in driving and delivering complex features/software modules from technical design to launch.
• Expertise with unit testing & Test Driven Development (TDD)
• Have empathy for the users you build for

Good to have

• Experience in the fintech industry
• Experience leading design and implementation of robust and secure web services

• Mandatory skills: Spring boot, Hibernate, Microservice
• Strong Java skills including Java 8 features 
• Good understanding of Microservices-based architecture and the related ecosystem 
• Exposure to MS SQL Server, Sybase etc. and NoSQL databases like MongoDB is also preferred.
• Great OO skills, including strong design patterns knowledge 
• Strong knowledge of software best practices, like Test-Driven Development (TDD) and
• Continuous Integration (CI) 
• Strong Knowledge of Data Structures & Algorithms
• Experience in working with data-driven RESTful APIs using web frameworks like SpringBoot,etc. 
• Should be able to do data modeling
• Good understanding of ORMs like Hibernate, JPA, etc. 
• Strong debugging skills
• Familiarity with architectural/ design patterns
• Advanced knowledge of Agile methodology.

About Alore

Alore brings revenue velocity to businesses by being their dependable growth operating system.

For further information on what Alore can do for growing businesses, please visit http://alore.io">alore.io

Alore is based out of Singapore with an office at Bangalore.

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience
• If you have never worked in a product-led company

CTC:

8.5-10.5 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule) (We do ZERO deductions since the salary will be paid from Singapore)

At this position you will:

• Get solid experience with high-load distributed architecture using REST and Kafka services.
• Work with automated CI/CD processes, AWS cloud, and VoIP.
• Implement and support microservices based on Spring MVC, Camel, MySQL, Mongo, and Kafka.

Requirement

• At least 1 year of experience with Java Core, Java EE, Spring Core, Spring Boot.
• Not more than 3 years of experience in Java Core, Java EE, Spring Core, Spring Boot.
• Deep understanding of SQL database technologies.
• Experience with Scrum / Agile methodology.
• Willingness to learn and explore new technologies.
• Git: merge, rebase, cherry-pick should be fluent.
• Good level of English B1 or higher.

It would be a nice bonus to have:

• Experience with distributed architecture.

• Hands-on experience with Kafka, MongoDB, and Apache Camel.

• Experience with cloud infrastructure (AWS, Google Cloud, Azure, Heroku, etc.).

• Experience with client-side development (we use Angular8 for website).

• A degree in computer science.

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).

Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections

• Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
• Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
• Proven knowledge in OOPS & Data Structures
• Strong experience of developing multi-threaded and synchronization application
• Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
• Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
• Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.