Senior Software Engineer - Product Development

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

• Experience in API development using Java will be a plus.

• Excellent knowledge and experience in writing testable, scalable, flexible, robust and efficient web applications using JavaEE 6/7 technologies, specifically, Spring core, Spring Boot Spring Data, spring batch and JPA
• Experience in successfully deploying Java-based applications in production and understanding load-balancing, authentication, and fault tolerance through Tom Cat.
• Experience in database modeling (MySQL/NoSQL databases such as Mongo DB)

• Knowledge of integrating with Ant, Maven, GIT and Shell scripting.
• Strong backend experience to develop Data Layer using at least one of the ORM frameworks like Hibernate, JPA etc.
• Strong RDBMS Skills and SQL skills. Experience in MySQL, Teradata and warehousing databases.

• Experience in Analytics frameworks and visualization products.

• Excellent knowledge and experience of Maven, Continuous Integration, and Continuous Delivery with Jenkins.
  • Experience with JavaScript frameworks, especially Angular is a definite plus.

Java 8, J2EE , Spring Boot, Microservices, Apache Spark, DevOps, Advanced SQL, preferably with

expertise in Data engineering/Data analytics,

ELK(Elastic Search, Logstash , Kibana) stack, Teradata, any No SQL database, Hands on experience in

maintaining products on Cloud Technologies like PCF, Azure, Docker, Kubernetes, etc, NodeJS,

Angular 2x, GitLab with CI/CD, Hands on experience in Unix server, Shell scripting, Large data

processing, Performance tuning, Experience in working in various Test Automation frameworks like

Selenium, Test NG, Python, Cucumber, Karma, Karate/ Jasmine, etc

Experience in using Eclipse, Spring tool suite, Project building tools - Maven, Gradle, etc, JIRA for ALM.

Skills:-

Java, SpringBoot, OOps, Microservices and Basic in SQL.

Responsibilities: -

Experience in application components using Spring Boot.

Should possess application development experience in Java 7/8, Spring Framework, Spring Boot.

Design and develop micro services/APIs using either Java/Spring boot. · Experience working in Agile environment and good understanding of Agile processes.

Good in any front end technologies like React JS

Experience in AWS

Knowledge of Application Server like Tomcat, Testing frameworks like JUnit Skills:

Spring Boot, Swagger, Tomcat , Maven, Jenkins, Git, Postman, kubernetes, Docker, Hibernate.

Strong knowledge on both SQL and NOSQL Databases.

Possess excellent communication and interpersonal skills and can articulate your ideas to different stakeholders.

Proficient understanding of code versioning tools, such as Git.

Experience in working as a team to design, document, develop, test, implement and maintain modular, multi-tier large Java applications.

Great interpersonal and communication skills

Job Functions: Information Technology.

Employment Type - Full-time.

Job Responsibilities:

• Developing and installing software solutions.
• Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.
• Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing, System Testing, UAT, Demos, POCs, installation, maintenance of Software modules.
• Software prototype.
• System Architecture.
• Software Design Document.
• User interfaces to be developed as per UX guidelines Code files ensuring coding guidelines followed.
• Code review artefacts during peer code review.
• Test plan and Test Cases.
• Installation / Deployment document Release Document.
• Technical Documentation.

Roles and responsibilities: 

·         Minimum of 4+ years of experience developing in Ruby on Rails 

·         Candidates must be able to solve Algorithms problems using Ruby 

·         Strong knowledge of Data Structures, Algorithms and Design Patterns 

·         Experience with RESTful APIs and building Scalable Microservices 

·         Strong System Design and Architecture skills. 

·         Experience working in test-driven environment 

·         Comfortable doing paired programming and extreme programming 

·         Great communication skills and desire to work with multiple technologies - Java, RoR, GraphQL etc. 

·         Experience writing APIs and services with Ruby on Rails       

·         Knowledge of Agile development methodologies, test driven development (TDD), extracting / refactoring code into services, domain-driven design, and CI/CD 

Job Description:

• Programming and optimizing smart contracts

• Design, research and develop blockchain-based solutions

• Developing decentralized high-performance systems

• Building reliable and fast data storages

• Security audits of third-party and internal solutions

• Establishing policies and procedures that produce secure, high-quality software

• Write and review technical proposals

• Improve engineering standards, tooling, and processes

• Coding with concurrency, efficiency and scalability as primary motive

• Document systems, build runbooks, and automate those processes

• Being hands on by writing, testing, and deploying high-performance networking code

• Rigor on clean code, unit testing, code coverage and best practices

• Developing infrastructure software

Required qualifications:

4+ years experience in JAVA, 1+ year of experience in Blockchain, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack:

JAVA, git, linux, bash, ability to work with Docker.

Nice to have:

cryptography and system software development experience, understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.