
Infrastructure
Pocket Gems wants to build the greatest games and interactive entertainment in the world.
That’s the mission our founders began within an apartment above a pizza shop back in 2009
and we continue it today.
Pocket Gems has grown to over 250 people in San Francisco. With $155 million in backing from
Sequoia Capital and Tencent, we’re constantly breaking new ground with graphically rich mobile
games, fun new genres of mobile entertainment, and innovative technologies like our mobilefirst Mantis Engine.
Our products have been downloaded over 325 million times by players around the world. We
have several flagship products including the most recent - Adventure Chef Merge Explorer, a
casual merge and explore game. Some of our other ongoing hits include Episode, a mobile
storytelling network and platform, and War Dragons, a visually stunning 3D real-time strategy
game.
Pocket Gems is home to some of the most massive and delightful mobile-first games, like War
Dragons and Episode. Those games need a solid backend platform, to function critical tasks to
delight our players, and is supported and optimized by our Central Engineering team. As a Sr.
Software Engineer on the Central Infrastructure Team, you will build microservices that acts as
the core of all our games, facilitate the processing and recording of billions of events per day,
support critical systems for marketing, finance. You will be responsible for some of our biggest
projects as you build APIs and infrastructure that scales to millions of players in real-time
games.
What You’ll Do:
• Implement flexible, reusable, and scalable solutions to improve our data pipeline
• Develop microservices for critical infrastructure like A/B tests, Offer recommendation, etc
that is mission-critical to the business
• Develop microservices for our games such as real-time communication platforms,
leaderboard, etc
• Build and maintain integrations with third-party APIs that you suggest or write yourself
• Build scalable web tools (including open source tools) to support data analysis and
visualization for the company and influence what we build for our games’ players
What You Bring to the Central Infrastructure Engineering team:
• Minimum of 7 years of professional experience (including 3+ years backend experience)
• A degree in computer science, engineering, or relevant field
• Experience leading complex projects, preferably involving distributed systems
• Deep experience with AWS, GCP, or Hadoop, and related backend technologies is a
plus
• Strong skills in data structures, algorithms, software design, and OOP
• A love for delighting users, both internal and external, with reliable tools, data, and
creative and highly technical solutions to their problems
Extra Gems for:
• Experience in working with microservices

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Job Title: Backend Developer
Location: In-Office, Bangalore, Karnataka, India
Job Summary:
We are seeking a highly skilled and experienced Backend Developer with a minimum of 1 year of experience in product building to join our dynamic and innovative team. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our applications. You will collaborate with cross-functional teams to ensure seamless integration between frontend and backend components, and your expertise will be critical in architecting scalable, secure, and high-performance backend solutions.
Annual Compensation: 6-10 LPA
Responsibilities:
- Design, develop, and maintain scalable and efficient backend systems and APIs using NodeJS.
- Architect and implement complex backend solutions, ensuring high availability and performance.
- Collaborate with product managers, frontend developers, and other stakeholders to deliver comprehensive end-to-end solutions.
- Design and optimize data storage solutions using relational databases (e.g., MySQL) and NoSQL databases (e.g., MongoDB, Redis).
- Promoting a culture of collaboration, knowledge sharing, and continuous improvement.
- Implement and enforce best practices for code quality, security, and performance optimization.
- Develop and maintain CI/CD pipelines to automate build, test, and deployment processes.
- Ensure comprehensive test coverage, including unit testing, and implement various testing methodologies and tools to validate application functionality.
- Utilize cloud services (e.g., AWS, Azure, GCP) for infrastructure deployment, management, and optimization.
- Conduct system design reviews and contribute to architectural discussions.
- Stay updated with industry trends and emerging technologies to drive innovation within the team.
- Implement secure authentication and authorization mechanisms and ensure data encryption for sensitive information.
- Design and develop event-driven applications utilizing serverless computing principles to enhance scalability and efficiency.
Requirements:
- Minimum of 1 year of proven experience as a Backend Developer, with a strong portfolio of product-building projects.
- Extensive experience with JavaScript backend frameworks (e.g., Express, Socket) and a deep understanding of their ecosystems.
- Strong expertise in SQL and NoSQL databases (MySQL and MongoDB) with a focus on data modeling and scalability.
- Practical experience with Redis and caching mechanisms to enhance application performance.
- Proficient in RESTful API design and development, with a strong understanding of API security best practices.
- In-depth knowledge of asynchronous programming and event-driven architecture.
- Familiarity with the entire web stack, including protocols, web server optimization techniques, and performance tuning.
- Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes) is highly desirable.
- Proven experience working with cloud technologies (AWS/GCP/Azure) and understanding of cloud architecture principles.
- Strong understanding of fundamental design principles behind scalable applications and microservices architecture.
- Excellent problem-solving, analytical, and communication skills.
- Ability to work collaboratively in a fast-paced, agile environment and lead projects to successful completion.

What would make you a good fit?
- You’re both relentless and kind, and don’t see these as being mutually exclusive
- You have a self-directed learning style, an insatiable curiosity, and a hands-on execution mindset
- You have deep experience working with product and engineering teams to launch backend services that power end-user applications
- You have deep experience in Python and the related tools and frameworks
- You have deep experience working with large datasets and relational databases, specifically PostgreSQL
- You have experience with microservices architecture, Docker, and Kubernetes
- You continuously raise the bar on development practices such as code quality tools, unit testing coverage, build tools, etc.
- You obsess about correctness, DRY development, reducing cognitive complexity, and performance
- You have excellent writing and speaking skills with a talent for applying technical solutions to customer problem statements
Must-Have Qualifications
- 5+ years of experience building RESTful services
- 2+ years of experience in Django Rest Framework, Flask, and/or FastAPI
- 3+ years of experience with SQL and Postgres to manage and analyze data
- Expert level skills using a debugging tool and developing unit tests
- Experience in Docker, Kubernetes, and microservices architecture
- Prior startup experience and enjoy taking on difficult challenges and broad responsibilities
- Track-record of delivering reliable and scalable RESTful services from requirements to production
- You’ve partnered with devops to deliver high-performant backend solutions to production
- You naturally think quantitatively about problems and work backward from a customer outcome
What’ll make you stand out (but not required)
- Terraform and AWS experience
- Experience creating technical design documents
- You have a strong connection to finance teams or closely related domains, the challenges they face, and deep appreciation for their aspirations


● You have good understanding of the fundamentals of data science/algorithms or
software engineering
● Preferably you should have done some project or internship related to the field
● Knowledge of SQL is a plus
● A deep desire to learn new things and be a part of a vibrant start-up. You will
have a lot of freehand and this comes with immense responsibility - so it is
expected that you will be willing to master new things that come along!
What you will get to do?
● Build cloud-based services and/or user interfaces
● Participating in all aspects of software development activities, including design,
coding, code review, unit testing, bug fixing, and code/API documentation
● Be the first few members of a growing technology team
6 days working -Remote working would do
JOB DES RIPTION
Founded by experienced founders and funded by Tier-1 VCs, It's a solution for democratizing the shopping experience on e-commerce platforms. Our aim is to provide a superior shopping experience for all our partners and improve both customer satisfaction and their GMV.Being an early-stage company, we are looking for self-driven, motivated people who want to build something exciting and are always looking out for the next big thing. We plan to build this company remotely, which brings freedom but also an added sense of responsibility. If all this sounds interesting to you read on
Responsibilities
- Writing testable and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- implementing business logic and developing APIs and services
- Build reusable code and libraries for future use.
Skills And Qualifications
- 2-3 years of hands-on experience in back-end development with Node.js.
- Knowledge of Node.js frameworks such Resitfy
- Good understanding of server-side templating languages
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Expertise with Linux based systems
- Proficient understanding of code versioning tools, such as Git
- Have worked in any of the cloud based platform AWS, GCP, Docker, Kubernetes.
Traits we value
- Independent, resourceful, analytical, and able to solve problems effectively
- Ability to be flexible, agile, and thrive in chaos
- Excellent oral and written communication skills

● Experience in design, development, and deployment of the
application.
● Knowledge of Restful Web-Services, JSON, HTTP, Networking
protocols
● Knowledge of MVC architecture.
● Mandatory Tech Skills: PHP, NodeJS, JavaScript, SQL, NoSQL,
GIT.
● Good to Have: Laravel, Express, AWS
● Basic understanding of HTML, CSS
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of https://www.simplilearn.com/tutorials/java-tutorial/oops-interview-questions" target="_blank">Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
- Experience in working with popular web application frameworks like Play and Spark
- Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
- Ability to write clean, readable Java code
- Basic knowhow of class loading mechanism in Java
- Experience in handling external and embedded databases
- Understanding basic design principles behind a scalable application
- Skilled at creating database schemas that characterize and support business processes
- Basic knowledge of https://www.simplilearn.com/jvm-and-the-implications-of-sandbox-model-rar41-article" target="_blank">JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- In-depth knowledge of code versioning tools, for instance, Git
- Understanding of building tools like Ant, Maven, Gradle, etc
- Expertise in continuous integration
- Deep understanding of technologies and architecture for a scalable and highly available set-up
- Experienced in Java/Golang and related Technologies like Spring/Hibernate
- Strong networking and Operating Systems fundamentals
- Experienced in Streaming technologies like Kafka
- Experience working with SQL and NoSQL Databases
- Experienced in developing the long-term tech strategy for analytics and translate that into an achievable roadmap

Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set
Location: Hyderabad, India
Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto “Building Success Together®,” Nisum has grown to over 1,400 professionals across the United States, Chile, India, and Pakistan. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve direct business growth by building the advanced technology they need to reach end customers in today’s world, with immersive and seamless experiences across digital and physical channels.
What You’ll Do
Coding in Java8, Spring, Microservices, WebFlux/Reactive Programing, Rest services, Kafka, PCF, Azure, Spring Cloud Config and NoSQL technologies.
Solve technical problems using cutting-edge technologies and best practices.
Ensure code meets the required development standards and is optimized for performance.
Unit testing for each line of new code introduced (JUnit/Mockito)
Peer code review process using GIT pull requests and Crucible (for SVN)
Propose multiple solutions to a problem, show how one option is better than another.
Ensure all aspects of technical design are correctly incorporated.
Contribute in research and implementing POC’s as required.
Collaborating with onsite team in scrum ceremonies.
Who you are
Senior developer using technical skills in Java8, J2EE, Spring boot(rest services), Web Services(Rest & SOAP), WebFlux, Spring Cloud Config, Maven/Gradle, JUNIT/TestNG, Mockito/JMock/EasyMock, JIRA, XML, JSON, EhCache/MemCache/Redis with skills in JMS, Kafka
Experience with hands on any one of the cloud platforms like PCF, Azure
Need hands on skills using NoSQL databases (Cassandra, MongoDB), SQL(Oracle/DB2/MySQL)
Experience with UI development skills to the level of debugging and enhancements.
Experience with expertise in code quality and coding standards.
Need to applying different design patterns, especially GoF, J2EE and Integration design patterns.
Making sure implementing unit testing for each line of new code introduced (JUnit/Mockito).
Ensuring the code meets the required development standards and is optimized for performance.
Education
Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience.

