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

An opportunity to revolutionize the restaurant industry

Here, at Rebel Foods, we are using technology and automation to disrupt the traditional food industry. We are focused on building an operating system for Cloud Kitchens - using the most innovative technologies - to provide the best food experiences for our customers. 

You will enjoy working with us, if:

• You are passionate about using technology to solve customer problems
• You are a software craftsman or craftswoman who is obsessed with high quality software
• You have a flair for good design and architecture
• You are unafraid of rearchitecting or refactoring code to improve it
• You are willing to dive deep to solve complex software issues
• You are a teacher and mentor

Our technology ecosystem:

• Languages: Java, Typescript, Javascript, Ruby
• Frameworks, environments: Spring Boot, NodeJS, ExpressJS
• Databases: AWS Aurora MySQL, MongoDB
• Cloud: AWS
• Microservices, Service Oriented Architecture, REST APIs, Caching, Messaging, Logging, Monitoring and Alerting
• CI/CD and DevOps
• Bitbucket, Jira

You will mostly spend time on the following:

• Leading the design and implementation of software systems
• Driving engineering initiatives across teams with a focus on quality, maintainability, availability, scalability, security, performance and stability
• Writing efficient, maintainable, scalable, high quality code
• Reviewing code and tests
• Refactoring and improving code
• Teaching and mentoring team members

We’re excited about you if you have:

• At least 8 years of experience in software development, including experience building microservices and distributed systems
• Excellent programming skills in one or more languages: Java, C#, C++, Typescript, Javascript, Python or Ruby
• Experience working in Cloud environments: AWS, Azure, GCP
• Experience building secure, configurable, observable services
• Excellent troubleshooting and problem-solving skills
• The ability to work in an Agile environment
• The ability to collaborate effectively within and across engineering, product and business teams

We value engineers who are:

• Crazy about customer experience
• Willing to challenge the status quo and innovate
• Obsessed with quality, performance and frugality
• Willing to take complete responsibility and ownership of results
• Team players, teachers, mentors

JD as below:

Java Developer

Strong in Java8 with Microservices + Spring Boot, Hibernate, JPA Exposure to MySQL

Only Immediate joiner or Serving

Job Requirements :

- 4+ years of Java development experience

- 4+ years of microservice development experience with Spring boot framework

- Core & Advanced Java (Threading, Design Patterns, Data Structures) J2EE, REST web services

- Excellent knowledge of Enterprise Design Patterns

- Full stack development with Angular 8 experience will be a plus

- Experience with test driven software development

- Exposure to telecom domain

- ETOM/ SID which make the TM Forum framework

1. Should be very strong Scala development(Coding)
2. With Any combination of Java/Python/Spark/Bigdata
3. 3+ years experience in Core Java/Scala with good understanding of multithreading
4. The candidate must be good with Computer Science fundamentals
5. Exposure to python/perl and Unix / K-Shell scripting
6. Code management tools such as Git/Perforce.
7. Experience with large batch-oriented systems 
8. DB2/Sybase or any RDBMS
9. Prior experience with financial products, particularly OTC Derivatives
10. Exposure to counterparty risk, margining, collateral or confirmation systems

• Proficient in algorithms and data structures.
• Having strong experience in designing data intensive and scalable systems.
• Comfortable with microservices based architecture.
• Knowledge of software engineering processes and unit testing.
• Past experience of mentoring a team of at least two people.
• Prior experience with both relational and non-relational databases.
• Prior experience with caching.
• Ability to debug and hotfix a problem with production in a swift amount of time.
• Communication skills.