
Job Description
We are looking for a hands-on Tech Lead – Java with strong software engineering fundamentals, a deep understanding of Java-based backend systems, and proven experience leading agile teams. This role involves a balance of individual contribution and technical leadership — mentoring developers, designing scalable architectures, and driving the success of product delivery in fast-paced environments.
Key Responsibilities
- Lead the end-to-end design, development, and deployment of Java-based applications and RESTful APIs.
- Collaborate with product managers and architects to define technical solutions and translate business requirements into scalable software.
- Guide and mentor team members in best coding practices, design patterns, and architectural decisions.
- Drive code reviews, technical discussions, and ensure high code quality and performance standards.
- Troubleshoot critical production issues and implement long-term fixes and improvements.
- Advocate for continuous improvement in tools, processes, and systems across the engineering team.
- Stay up to date with modern technologies and recommend their adoption where appropriate.
Required Skills
- 5+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
- Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
- Proven experience leading a team of engineers or taking ownership of modules/projects.
- Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
- Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
- Excellent problem-solving, debugging, and analytical skills.
- Strong communication and leadership skills.
About HummingWave
HummingWave is a leading IT product development company specializing in building full-scale application systems with robust cloud backends, sleek mobile/web frontends, and seamless enterprise integrations. With 50+ digital products delivered across domains for clients in the US, Europe, and Asia-Pacific, we are a team of highly skilled engineers committed to technical excellence and innovation.
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About Hummingwave Technologies Pvt Ltd
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Job Description -
Role - Sr. Python Developer
Location -- Manyata Tech Park, Bangalore
Mode - Hybrid
Required Tech Skills:
- Experience in Python
- Experience in any Framework like Django, and Flask.
- Primary and Secondary skills - Python, OOPs and Data Structure
- Good understanding of Rest Api
- Familiarity with event-driven programming in Python
- Good analytical and troubleshooting skills


Extensive experience in building applications using .NET Core
Proficient in C# with strong coding skills, including multithreading and core concepts.
Proficient in SQL Server with hands-on experience
Solid experience in ASP.NET Core MVC development
Expertise in building RESTful services using Web API
Strong background in Entity Framework and Dapper
Experience with ADO.NET
Familiarity with client-side frameworks like jQuery and JavaScript
Knowledge of HTML and CSS
Experience working with Git repositories
Familiarity with Jira for project management

This is currently a Hybrid mode WFO from the WeWork location closest to your home/option for a permanent Remote WFH position.
Mandatory Experience: 1 to 4 years as LEAD or Overall experience of 6+ Years in Software Development
Responsibilities :
- Build reusable code and libraries for future use.
- Own & build new modules/features end-to-end independently.
- Collaborate with other team members and stakeholders.
Required Experience, skills and abilities :
- Thorough understanding of Node.js, JavaScript, its quirks, and workarounds.
- Excellence in at least one framework like StrongLoop loopback, express.js, sail.js etc.
- Excellence in at least one Javascript framework like, vue.js, Ember, React or Backbone.
- Basic architectural understanding of modern-day web applications
- Diligence for coding standards
- Must be good with git and git workflow
- Experience with external integrations is a plus
- Working knowledge of AWS, GCC, Azure
- Expertise with Linux-based systems
- Experience with CI/CD tools like Jenkins is a plus.
- Experience with testing and automation frameworks.
- Extensive understanding of RDBMS systems
Interpersonal Skills :
- Go-getter attitude and a passion for making killer web applications
- Good communication and interpersonal skills.
- Ability to work in a high-pressure environment
- Ability to quickly understand complex problems and devise effective solutions
Extra plusses(Optional) :
- Knowledge of D3/NodeJS/dash etc.
- Experience with Cloud as a platform or Infrastructure.
- Inclination to application design standards
Other Details :
Salary: Market standard with performance-linked benefits Depending upon the candidates
Industry: Financial Technology
Functional Area: BFSI
What we need from you
- You will bring very strong consulting skills, are customer focused and know how to navigate through tough project situations
- You are highly motivated, creative in your approach to technical problems and love all things about Data!
- You spend a significant amount of time to keep your technical skills updated and are constantly looking for the next big data challenge
- You will be a key contributor to our growth and our customer’s success
- You will bring both broad and deep knowledge in Efficient Java (JSP, Servlet) Developer and going forward build the ability to architect a solution by mapping a customer business challenges
- You are resourceful and confident under pressure
- Willingness to travel as needed to customer sites
Competencies:
- Relevant experience on using tools like JSP, Servlet for web applications
- MVC frame works - Struts or Spring
- Web services- SOAP and REST WebLogic, Hibernate
- Middleware technologies MQ OSB.
- Web/App Servers: Tomcat or WebLogic or JBoss
- Experience using Angular, Micro Services using Spring, jersey, Swagger
- Good knowledge of Backend and Front-end technologies
- Good knowledge of Core Java, J2EE, Ajax, Spring, Java Script, jQuery, HTML
- Good knowledge of any RDBMS database like SQL Server, Oracle, MySQL & Cluster set-up, performance benchmarking, client-side API evaluation, knowledge of various deployment strategies
- Strong knowledge with Core JAVA concepts – Exception handling, Multi-threading, Collection, String, OOPS etc…
- Advanced understanding of Windows and Linux based operating systems
- Mainly 3-4 months hands on with reverse engineering and old legacy solutions to new modern applications
- Working knowledge using REST, HTTP, TCP, SCTP protocols
- Hands-on with JAVA frameworks such as – Thread Pool Executor, Object Pooling, Logging (Log4j preferred), XML/JSON handling
Education Criteria:
- Preferred BE degree in CS, E&C, E&E
- Proficient being a J2EE Developer (courses or project done) and data analytics skills
- Flexible to work on any projects assigned
Note: Terms & Conditions
- This opportunity will be work from office

ROLES AND RESPONSIBILITIES
• Lead the Software Team. Ensure consistent deliveries of planned features while ensuring code quality, testing standards, and processes are maintained.
• Work with the leadership team to cultivate and grow the Internal Software Team Culture at
• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design.
• Solve technical problems of high scope and complexity.
• Exert influence on the overall objectives and long-range goals of your team.
• Experience with performance and optimization problems, particularly at a large scale, and a demonstrated ability to both diagnose and prevent these problems.
• Help to define and improve our internal standards for style, maintainability, and best practices for a high-scale web environment. Maintain and advocate for these standards through code review.
CANDIDATES MUST HAVE
• Experienced in designing and integrating RESTful APIs
• Knowledge of Python
• Excellent debugging and optimization skills
DESIRED SKILLS & EXPERIENCE
• 3-5 years of experience building large-scale software applications and working with large software teams.
• Bachelor’s degree in computer science, information technology, or engineering • Experience designing and integrating RESTful APIs
• Knowledge of Python and Backend Development
• Experience building Web/Mobile applications
• Excellent debugging and optimization skills
• Unit and Integration testing experience
• Being knowledgeable about engineering processes and good practices
• Passionate about learning new tools. Ability to continuously learn and acquire knowledge.
• Able to adapt to changing complexity of tasks.
2. Responsible for doing customer API integrations and other integrations required to onboard new e-commerce marketplaces, logistic providers, ERP and accounting systems. 3. Responsible to write code for API integrations, perform debugging tasks, do application tests, do configuration and code reviews to ensure the product is satisfactory.
The candidate would provide the firms SASS platform with ongoing technical support. This support includes responding to customer issues, providing updated software that solves bug issues, and working with the customer service team.
Responsibilities
- Understand existing business operations tool used by customer support and business teams.
- Work with Engineering Manager to upgrade the system to improve system stability and response times.
- Independently lead design and implement new features as per business requirements provided by Product Management team.
- Develop elegant, modular and maintainable solutions. Document all design, operations steps for knowledge sharing purposes.
- Guide junior team members on feature implementation and provide relevant training on existing modules.
Must-know Technologies
- Java EE
- Java Server Facelets (JSF)
- Java Persistence API (JPA), Hibernate
- SQL
- HTML, CSS, JavaScript
- Payara/GlassFish/similar application server environments
Preferred Skills
- 2-8 years of overall experience in software design and development.
- Ability to analyze existing application, implement new features and re-architect the application in case of inefficiencies.
- Strong object-oriented skills and ability to apply design patterns.
- Experience mentoring junior engineers on development, code review, project planning.
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



You will be building efficient, scalable & high performance microservices and applications which will power the network of thousands of retailers across the country and at the same time improve the efficiency and visibility of information flow in our supply chain systems.
Your core responsibilities:
- Create elegant, efficient and maintainable software to support and extend our current products.
- Solve complex architectural challenges when implementing new features.
- Integrate with databases, file systems, cloud services when delivering scalable solutions.
- Troubleshoot and fix reported customer issues, delivering software patches as needed.
- Assisting in making design decisions based on performance, scalability, security, and future expansion.
- Communicating and collaborating with management, product, QA teams.
What will help you thrive in this role?
- Degree in Computer Science, similar technical field of study or equivalent practical experience.
- 5+ years of experience as a Backend Engineer.
- Proficiency in web development using any of the languages: PHP, Python, Java, NodeJS or Golang.
- Should possess a solid grasp of object-oriented programming, system architecture & design, databases, development, and testing methodologies.
- Good in Design (HLD and LLD).
- Good in Database schema design.
- Good to have experience with AWS or Google Cloud or Azure and serverless architecture.
- Excellent verbal communication skills.
- Track record of delivering successful products as an engineer.
- Experience with large applications of some scale will be a plus.
- Ability to deep dive, understand & improve the legacy code.
- Domain knowledge of supply chain & retail industry is a plus.
Whom you will be sharing your work day with?
We are a language agnostic engineering team of independent thinkers who understand the priorities of a rapidly growing startup and excel at choosing high impact projects. Our core beliefs are:- We are in the forefront of disrupting traditional retail & supply chain industry by building distributed systems
- We are hardcore open source lovers and believe in the strength of open source community.
- We believe technology can change the way information is consumed.
- We use a data driven approach to build new products and features.
- Build new tech solutions to improve business processes and enable our various departments to help service our teams better.
- We embrace and enable DevOps culture within the organisation.
And yes! We do have new furry friends coming to our office everyday.
Work Perks
- Hybrid work environment with flexibility to work from anywhere.
- A great salary, commensurate with experience.
- Unlimited vacation policy which means Paid Vacations.
- A relaxed & flexible working atmosphere.
- Weekly parties (Unofficial).
- Paid outings to remote work locations and industry events/conferences.
- Paid Health Insurance for you and your loved ones.


