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

Job Responsibilities:

* Design, build, and maintain efficient, reusable, and reliable Java code

* Ensure the best possible performance, quality, and responsiveness of the applications

* Identify bottlenecks and bugs, and devise solutions to these problems

* Help maintain code quality, organization, and automatization

* Prepare the technical design of complex technology components

Mandatory Skills:

* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java

* Solid understanding of object-oriented programming along with various design and architectural patterns

* Hands on experience with Spring, Spring Boot, JUnit

* Familiarity with concepts of MVC, Microservices, RESTful

Title: Java Developer

Experience: 3 - 8 years

Work Location: Bangalore

Notice Period: Immediate to 30 days Max

Key Skills: Java/J2EE, Spring Boot, Microservices, AWS cloud

Roles & Responsibilities:

• Experienced in Java related technologies and frameworks, experience involving all the phases of software development life cycle
• Excellent development skills to develop Web Applications, Services, and multi-threaded server-side implementations using Java/J2EE, Spring, Hibernate, Web Services using REST.
• Knowledge on spring boot for developing microservices as an added advantage
• Should have experience in TDD, Unit Testing
• Good understanding and application of OOP concepts and design
• Good understanding of different Design patterns
• Preferred Cloud platform, Dockers and Containers knowledge or experience
• Proven experience in the use of Eclipse, Maven, Junit, IntelliJ
• Well versed with SQL Queries
• Experience in cloud technologies mainly AWS Cloud.
• Good logical and analytical skills and quick in grabbing functional aspects of many applications at a time
• Should possess good communication skills to communicate during sprint stand up meetings with team members and client
• Good behavioral skills to excel in software development projects execution
• Good in test-driven development and experience in writing unit tests and integration tests.

Skills: Must have

• Java 8, Spring Boot & Hibernate (Mandatory Hands-on)
• knowledge on Microservices and API Development.

Other goods to have skills prefer for the candidate.

• Experience in Golang / Python
• 2-3 years of strong experience in Angular/React/any front-end framework (for Fullstack Developer)
• Already part of the agile scrum-based development team
• Knowledge of other programming languages like JavaScript, PHP, Golang ( Apart from Java)

Education Qualification:

• BE/B.Tech/MCA/M.Sc/M.Tech
• Relevant certification is plus – (Cloud, Technology)

A passionate developer

• Strong working knowledge of OOPS
• Functional programming principles
• Strong believer of Clean Code practices
• An advocate of TDD, BDD, SOLID, CI/CD, Lean development
  
  You’ll easily settle in if:
  You come from a strong Java/J2EE background with web application frameworks like Spring Boot or Drop wizard
  You have ample work experience in Caching, Multi-Threading, Asynchronous APIs, Exception Management and use of collections, Mocking, Unit testing tools like Junit & TestNG"
  You are fluent with version control tools like GIT and Bitbucket
   Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube
  Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
   Exposure to AWS/Azure cloud and containerization
  Have a good Understanding of Distributed Application Architecture.
  You ‘ll love:
  Awesome opportunity to work with Micro Services architecture getting shipped on Cloud.
  Experience in working with automated build deploy powered by Code Analysis, Automated Tests, Functional and Nonfunctional analysis, Blue Green deployment and much more
   First-hand experience on broader enterprise application concerns like Message Bus, Queues, Caches, Concurrency and Parallelization

Roles & Responsibilities:

• Design and Build API/Micro services using Spring boot.
• Experience in Spring Reactive programming.
• Exposure to docker and containerization
• Developing enterprise grade highly scalable java-based application
• Writing test cases using Java testing framework like JUnit, Mockito.
• Proficient understanding of code version tools, such as Git, SVN
• Displaying initiative and an ability to lead others, and develop applications team disciplined manner
• Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
• Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
• Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
• Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
• Conduct peer code reviews

Locus is a global decision- making platform in the supply chain that uses deep learning and proprietary algorithms to provide route optimization, real-time tracking, insights and analytics, beat optimization, efficient warehouse management, vehicle allocation and utilization, intuitive 3D packing and measurement of packages. Locus automates human decisions required to transport a package or a person, between any two points on earth, delivering gains along efficiency, consistency, and transparency in operations.

Locus, which has achieved a peak of 1 million orders processed in a day (200,000 orders an hour) and is trained & tested on over 100 million+ order deliveries, works in 75 cities across the globe. Locus works with several large-scale market leaders like Urban Ladder, Tata Group of Companies, Droplet, Licious, Rollick, Lenskart, other global FMCG, pharma, e-commerce, 3PL and logistics conglomerates.

Locus is backed by some of the biggest names in the market and recently raised $22 MN in Series B funding and also $4 Mn in a pre-Series B round. Earlier, In 2016, Locus raised $2.75 Mn (INR 18.3 Cr) in a Series A funding.

Locus was started by Nishith Rastogi and Geet Garg, two ex-Amazon engineers on a mission to democratize logistics intelligence for businesses across industries. Nishith was profiled by Forbes Asia in their ’30 Under 30’ 2018 list. Geet, on the other hand, holds a dual degree (BTech and MTech) in Computer Science and Engineering from the Indian Institute of Technology. Our team constitutes of engineers from Indian Institute of Technology and Birla Institute of Technology & Science- Pilani, and Data Scientists with PhDs from Carnegie Mellon University and Tata Institute of Fundamental Research. Our multifaced product and business team is led by senior members from Barclays, Google & Goldman Sachs with immense operational execution experience.

Job Description

• Design & implement backend APIs at Locus.sh
• Mentor junior developers technically.
• Actively work to reduce tech debt in the Locus backend
• Work towards more stability & scalability of the backend
• Tech stack - Java, AWS, Aurora etc.

Eligibility

• 4-8 years of product company experience
• OOP implementation experience. Programming language does not matter, We use Java internally but have hired folks from non Java background.
• Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
• Prior experience building REST APIs
• Advanced understanding of AWS stack
• Prior knowledge of solving problems at scale.

Perks:

• Healthy catered meals at office
• You decide your own Work From Home (WFH) and Out Of Office (OOO)
• Pet-friendly - bring your pets to the office any day. Locus family already has a Rottweiler and a Beagle