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 the Tech Lead, you will play a critical role in defining the future of our advanced ad tech platform. This position requires full technical ownership of a high-impact project, where you’ll architect and implement a scalable, high-performance system while guiding a dedicated team of developers to advance our product roadmap.

In this role, you’ll balance strategic technical oversight with hands-on involvement. You will combine strategic technical leadership with hands-on involvement to oversee the platform’s scalability, reliability, and technical evolution. Success will depend on a combination of ad tech expertise, strategic vision, and strong leadership as you drive innovation and foster a high-performance engineering culture.

Roles and Responsibilities

• Independent Project Leadership: Lead a dedicated project stream within our ad tech platform, from initial architecture and design through to delivery. Take full accountability for your project’s technical vision, resource planning, and execution, ensuring it meets performance and scalability requirements.
• Strategic Technical Ownership: Define and implement a technical roadmap that aligns with Streamlyn’s goals, focusing on scalability, resilience, and innovation. Ensure project components are optimized for real-time bidding, ad serving, and data processing requirements unique to ad tech.
• Performance & Scalability: Architect a platform capable of processing billions of requests daily with minimal latency. Utilize advanced load balancing, caching, and database technologies to achieve optimal performance and reliability.
• Team Building & Mentorship: Lead a specialized team of developers, fostering an environment of technical excellence and innovation. Set high standards for code quality, maintainability, and performance while mentoring team members and encouraging growth.
• Product Innovation & Cross-Functional Collaboration: Work with product, operations, and sales teams to ensure the products and platform meet high standards and unique demands. Drive the development of cutting-edge features like custom ad units and contextual targeting to keep Streamlyn competitive.
• Ad Tech Expertise: Apply a deep understanding of ad tech—DSPs, SSPs, oRTB protocols, and header bidding frameworks—to ensure seamless integration and adherence to industry best practices.
• Team and Process Development: Drive agile methodologies and efficient development processes within your team to support responsive and high-quality delivery. Implement continuous improvement practices that optimize team productivity and platform reliability.

Qualifications

• Experience: 5+ years in software development with hands-on ad tech experience, ideally in building ad servers, header bidding solutions, oRTB (Open Real-Time Bidding) integrations, and data pipelines.
• Technical Proficiency -
• Languages: Advanced knowledge in Java and Python.
• Databases: Strong experience with MariaDB, PostgreSQL, Aerospike, and familiarity with other NoSQL technologies.
• Data Pipeline: Proven experience designing and implementing data pipelines for handling large-scale ad data in real-time, including ingestion, processing, and transformation.
• Infrastructure and Cloud: Proficiency with AWS Cloud services, including EMR, EKS, and Docker Containers. Experience with Apache Spark, Kafka, and MKS.
• Ad Tech Ecosystem Knowledge: Strong understanding of the ad tech landscape, including DSPs, SSPs, header bidding, programmatic advertising, and RTB protocols.
• Architectural Expertise: Advanced skills in designing distributed, microservices-based architectures and developing APIs for high-performance, low-latency applications. Advanced knowledge in load balancing, caching, and database technologies to enhance performance and scalability.
• System Monitoring & Optimization: Hands-on experience with monitoring and optimization tools, such as Prometheus, Grafana, or similar for system reliability.
• Data Engineering: Experience with ETL (Extract, Transform, Load) processes, data warehousing, and building data flows for analytical and reporting purposes.
• Agile and Project Management: Experience with Agile methodologies and the ability to prioritize and manage complex projects.
• Leadership Skills: Demonstrated ability to lead a team, with experience in mentorship, team building, and technical coaching. Comfortable taking ownership and accountable for team deliverables.
• Communication: Excellent communication and collaboration skills, with the ability to articulate complex technical issues and facilitate cross-functional team discussions.

Technical Overview:

● You will be expected to design, develop and maintain large-scale complex backend web applications.

● You will be expected to rapidly learn and apply relevant new technologies.

● You will be having a high level of interaction with business and product stakeholders.

● You will be working on the entire web application stack, which includes:

      o Web server hosting

      o RESTful communication

      o Message brokering

      o Backend application layer, which includes the service and domain layers

     o Data layer for persistence or caching

● You will be participating in an agile software development cycle, which includes:

     o Design

     o Development

     o Code Review

     o Unit and Integration Testing

     o Release

● As a Staff Engineer, you will be expected to contribute to design, code review, refactoring, and project management.

● You will be exposed to the following technologies:

     o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS Lambda

     o Languages: Ruby, Java, Kotlin, Javascript, Python

     o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift

     o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS

     o Server Management: Amazon ECS, Docker

Product Overview:

You will be contributing to products concerning both customers and partner drivers.

Product sectors include:

1) Growth: You’ll build tools to help boost user growth on the platform including our industry-best driver onboarding, training and certification system, referral system, and lead management models.

2) Lifecycle Management: Build tools to help users engage with the platform better, which include rewards and recognition modules, subscription services account management tools, partner and customer wallets and payout modules, and churn detection systems among others.

3) Transaction Experience: You’ll help deliver the most delightful booking experience to our customers and drivers. As part of this team, you’ll be responsible for our core booking system, pricing and payment

systems, location tracking and filtering services, fraud prevention systems, and in-app ticketing and support among others.

4) Fulfilment: As part of the fulfillment team, you’ll work on systems that ensure a high degree of ride fulfillment on the platform. Tools include allocation methodologies and systems, dynamic pricing, dynamic partner routing, and partner re-activation tools among others.

5) Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence. You’ll build tools for contract management, fleet management, fleet and route optimization tools, alerting and monitoring tools, and analytics suite among others.

*forward your resume to (ambikadotj@semperfidotcodotin)(dot - .)

) 2+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate, 

JPA, Microservices)  

*) Experience with working on Java 8.0 and its emerging road map for 11  

*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB  

*) Hands on experience in working with Angular 6 and above. Experience working with product 

management and UI/UX designers having knowledge of advanced Javascript, JQuery  

*) Working knowledge on components, modules, data/event bindings, templates, using and creating 

directives, writing routes, services, forms and models  

*) Solid understanding of the full frontend and backend development life cycle  

*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)  

*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and 

Swagger and Postman is required  

*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT 

would be an added advantage  

*) Experience with TDD, code testability standards, JUnit  

*) Experience in managing configurations and deploying and hosting applications in AWS  

*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of 

development   

1. Design and develop Microservices with Java, Spring
2. Communicate with the tech lead, to understand the technology thoroughly
3. Perform unit and system testing
4. Understand business requirements and create plans accordingly
5. Work in an agile environment
6. Perform threat and risk assessments

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Are you are the one who wants to work on a tech-heavy product, and the challenging technical problems that it entails? Problems vary, and can be as diverse as scaling the product smoothly as the company grows, to setting up a device farm, or solving streaming issues through a browser, without the use of plugins. Will you be excited for the challenge to transform and think critically on many computer science disciplines including product design, usability, building APIs and user-centric online applications, business logic, scaling performance, and 24x7 reliability?

JOB RESPONSIBILITIES

• Writing high quality code, participating in code reviews, designing/architecting systems of varying complexity and scope, and creating high quality documentation supporting the design/coding tasks
• Lead out team meetings, stand-ups, and architecture/design discussions
• Identify areas of improvement in our frameworks, tools, processes and strive to make them better. Evaluate our success metrics and evolve our reporting systems
• Works on the web application layer, backend, systems, streaming and other associated technology to build our product and components
• Find solutions and solve issues around a variety of operating systems or programming languages
• Researching new technologies and adapt them to BrowserStack requirements
• Own and commit to all your work, and be accountable for your results
• Using and understanding code from Open Source
• Teaching others how to use new software
• Willing to learn new programming languages and databases
• Able to write efficient SQL queries and design schemas for relational databases
• Participate in a culture of code reviews, writing tech specs, and collaborating closely with other people (no lone wolves)
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration
• Develop multi-tier scalable, high-volume performing, and reliable user-centric applications that operate 24x7
• Scale distributed applications, make architectural trade-offs applying synchronous and asynchronous design patterns, write code, and deliver with speediness and quality

• Good experience in at least one scripting language: Ruby, Nodejs, Python, AppleScript, Unix shell or similar
• Familiarity with one compiled language: C, Java, Go or similar
• Good knowledge of operating systems and networking concepts
• Reasonable knowledge of Windows and/or Linux operating systems
• Ability to work on Windows and Linux platform below the application layer, including file systems, kernels, custom installations, shell scripting, internal APIs, etc
• Aggressive problem diagnosis and creative problem solving skills
• Startup mentality, high willingness to learn, and hardworking
• Experience of 3-6 years