Java Microservices Developer

Job Title: Senior Software EngineerLocationExperienceJob DescriptionWe are seeking a Senior Software Engineer to join our dynamic engineering team, focusing on designing, developing, and optimizing large-scale ad technology systems. This role requires expertise in building high-performance, distributed systems capable of handling millions of transactions per minute. You will work closely with cross-functional teams to enhance the scalability, robustness, and performance of our real-time bidding systems.

• ResponsibilitiesDesign and implement high-performance microservices to handle large volumes of real-time data requests.
• Collaborate with the AdExchange team to optimize real-time ad buying, selling, and auctioning processes.
• Lead the development and enhancement of key features such as loss notifications and bidder engagement strategies.
• Build A/B testing mechanisms to optimize bidder responses and URL accuracy.
• Improve the scalability and reliability of critical services, utilizing advanced monitoring tools like Prometheus and Kafka.
• Conduct code reviews, create design documents, and mentor junior engineers.
• Manage end-to-end project lifecycles, from architecture design to deployment in production environments.
• Required SkillsProficiency in Java, Docker, Aerospike, Kafka, and MySQL.
• Strong understanding of distributed systems, microservices, and real-time bidding technologies.
• Experience in optimizing system performance to handle high-throughput, low-latency requirements (600,000+ requests/min).
• Expertise in monitoring and logging tools such as Prometheus, Grafana, and log management systems.
• Knowledge of cloud technologies (AWS or similar).
• Strong problem-solving skills and experience in A/B testing for optimizing system components.
• Preferred SkillsExperience in ad technology or large-scale data processing systems.
• Familiarity with JavaScript, REST APIs, and integration workflows.
• Hands-on experience with Kubernetes and event-driven architectures.

Job Description: Java Backend Expert

Experience: 8+ Years (Relevant Experience: 8 Years)

Duration: 6 months (possibility of extension to 12 months based on performance)

Location: Client Office (Gurugram)

Preferred Candidates: Delhi NCR (must be ready to travel to Gurugram)

Work Timings: Monday to Friday (10 am to 7 pm IST)

Number of Interviews: 3 Technical Interviews (Video Call)

Laptop + Internet: Mandatory to be provided by the resource partner or arranged by the candidate

About the Role:

We are looking for a highly skilled Java Backend Expert to join our team for a 6-month contract, with a possibility of extension based on performance. The successful candidate will work from the client office in Gurugram and should be ready to travel from the Delhi NCR region. The ideal candidate will have extensive experience in backend development, particularly in API integration with web applications or SaaS products.

Key Responsibilities:

• API Integration:
• Work on API integration with web applications or SaaS products.
• Set up API templates on repositories that can be scaled across the developer community.
• Developer Portal Integration:
• Assist development teams in integrating with the Developer Portal (Backstage).
• Provide guidance on transitioning to mono repo branching strategies.
• Collaboration and Support:
• Collaborate with development teams to ensure seamless integration and performance optimization.
• Offer technical support and best practices for API integration and repository management.

Qualifications:

• Experience:
• Minimum of 8 years of relevant experience in Java backend development.
• Proven experience in API integration with web applications or SaaS products.
• Technical Skills:
• Strong understanding of setting up scalable API templates.
• Familiarity with mono repo branching strategies and their implementation.
• Experience with developer portals, specifically Backstage, is a plus.
• Soft Skills:
• Excellent communication and interpersonal skills.
• Ability to work independently and as part of a team.
• Strong problem-solving skills and attention to detail.

Mandatory Skills – Python, Docker, MongoDB, Sql, Flask, SQL Alchemy, AWS

Additional Skills- Angular, Azure

Job Description

Responsibilities:

● Responsible for handling the product issues’ analysis, troubleshooting, and resolution.

● Take ownership of providing technical support for the issues that could not be resolved by the Level 1 & Level 2 customer support teams.

● Responsible for handling product related technical queries from the stakeholders.

● Coordinating the issues internally with the Team Leads, Product Managers, Roadmap Team, and Cross-functional Teams.

● Implement meaningful workarounds to shorten the customer downtime. Subsequently follow-up and ensure the implementation of the permanent solutions.

● Identify the root cause of an issue, document it, and provide feedback to the roadmap team on corrective actions to ensure such cases are not missed in the future.

● Participate in or organize a war room call to troubleshoot the issue, with collaboration with the cross-functional teams.

● Ensuring meeting the agreed SLAs

● Incident management, reporting, RCA documentation in Jira

● Plan, design, develop, and maintain software application defect fixes in a timely manner

● Write clean, scalable, and efficient code.

● Implement software solutions using Python, Flask, Angular, PostgreSQL, SQLAlchemy, and AWS services..

● Conduct unit testing and integration testing to ensure software quality.

● Collaborate with Quality Assurance teams to identify and fix software defects.

● Create and maintain technical documentation for software projects.

● Use version control systems (Git) to manage and track code changes.

● Participate in code reviews to ensure code quality, consistency, and best practices.

● Work as part of an agile development team to deliver software increments.

● Open to learn from each other in the team and each experience day-to-day.

Qualifications:

● Bachelor’s degree in computer science, Software Engineering, or a related field.

● Proven experience as a Software Engineer or in a similar role.

● Proficient in one or more programming languages.

● Strong problem-solving and analytical skills.

● Excellent communication and teamwork skills.

● Ready to work in flexible working hours when needed.

Requirements:

● Experience with web application development and support (frontend and/or backend).

● Have at least 5 years of experience in developing & supporting Python related applications.

● Experience in building & supporting applications with containerization such as Docker

● Experience in writing relatively complex DB queries (any relational DB) is required.

● Experience in building web platforms with Angular 9+ is nice to have.

● Experience in building RESTful APIs using Python and web frameworks such as Flask is required.

● Experience in working in any of the ORM tools like SQLAlchemy, Django is required.

● Experience with cloud computing platforms i.e. AWS (other Cloud knowledge is also considered on Azure or

Google Cloud) is nice to have.

● Should be comfortable with Agile methodologies, such as Scrum, Kanban

● Key competencies required: Support, Problem-Solving, Analytical, Collaboration, and Accountability

● AWS® certifications would be an advantage.

About us

Blitz is into Instant Logistics in Southeast Asia. Blitz was founded in the year 2021. It is in the business of delivering orders using EV bikes. Blitz not only delivers instant orders through EV Bikes, but it also finances the EV bikes to the drivers on lease and generates another source of revenue from the leasing as well apart from delivery charges. Blitz is revolutionizing instant coordination with the help of advanced technology-based solutions. It is a product-driven company and uses modern technologies to build products that solve problems in EV-based Logistics. Blitz is utilizing data sources coming from the EV bikes through IOT and smart engines to make technology-driven decisions to create a delightful experience for consumers

We are looking for a talented Backend Engineer with a strong proficiency in Go/Golang development to join our team. As a Backend Engineer, you will play a crucial role in designing, implementing, and maintaining scalable backend systems that power our

Applications. You will collaborate closely with cross-functional teams to deliver robust and efficient solutions that meet our business requirements

Responsibilities

1. Design, develop, and maintain backend services and APIs using Go/Golang.
2. Collaborate with product managers and front-end engineers to understand requirements and translate them into technical solutions.
3. Architect scalable and high-performance systems to handle large volumes of traffic.
4. Implement security best practices to ensure the confidentiality, integrity, and availability of our systems and data.
5. Write clean, efficient, and maintainable code following coding standards and best practices.
6. Optimise database queries and data access patterns for maximum performance.
7. Implement automated tests to ensure the reliability and stability of the backend services
8. Monitor and troubleshoot production systems to identify and resolve issues in time.
9. Participate in code reviews to maintain code quality and provide constructive feedback to peers. 
10. Stay up-to-date with the latest backend technologies, frameworks, and industry trends.

Requirements

1. Bachelor’s degree in Computer Science, Engineering, or a related field.
2. Minimum of 3 years of professional experience in backend development.
3. Proficiency in Go/Golang programming language for at least 2 years.
4. Solid understanding of data structures, algorithms, and computer science fundamentals.
5. Experience with building and deploying microservices architectures.
6. Strong knowledge of database systems, including SQL and NoSQL databases.
7. Familiarity with cloud computing platforms such as AWS, GCP, or Azure.
8. Experience with containerization technologies such as Docker and container orchestration tools like Kubernetes
9. Understanding of RESTful APIs and web services.
10. Excellent problem-solving and analytical skills. 
11. Ability to work effectively both independently and as part of a team.
12. Strong communication skills and ability to collaborate effectively with cross-functional teams.

Preferred Qualifications

1. Experience with distributed systems and messaging queues (e.g., Kafka, RabbitMQ).
2. Knowledge of GraphQL and GraphQL query language.

Company's website - https://rideblitz.com/

• Executes the development, Maintenance, and enhancements of varying complexity levels across platform systems
• Translates the Business Requirements and specifications into related solutions designs to understand business needs and functional specifications
• Evaluates project deliverables to ensure they meet the specifications and architectural standards
• Write and review technical documents, including design, developments, and code review
• Provide technical support to team
• Work independently and handle product responsibilities with stakeholders and good communication skills
• Good understanding of performance and security aspects of software development
• Working experience in Agile Software Methodology (Scrum and Kanban)

• 6+ years of experience in Software development using Java and J2EE technologies
• Experience in designing front end interfaces using HTML, CSS, Javascript, iQuery, AJAX
• Experience in Build tools like Maven
• Strong hands-on experience in developing microservices using Springboot
• Strong hands-on experience in Spring Framework such as Spring MVC, IDC, AOP and Spring JDBC
• Experience in Core Java, Multi-threading, OOPs, Collections and servlets
• Unit and integration testing using Junit
• Experience in databases like MySQL, DB2 and Oracle
• Strong design skills and also experience in working with Design patterns to solve problems
• Good to have GCP, AWS, Azure public cloud platforms
  
  

• JAVA Microservices with AWS needed
• Provide solution architecture & design involving Cloud and DevOps
• Develop new microservices in a cloud-native way.
• Ensure the unit testing and code coverage are achieved as per the agreed percentage.
• Build reusable code and libraries for future use.
• Optimize application for maximum performance and scalability.
• Collaborate, and coordinate with team members and key stakeholders.
• Communicate effectively with different stakeholders.
• Ensure best practices & standards are followed during SDLC.
• Takes ownership of the whole solution from a technical perspective and ensures adherence to defined Architecture & Design.
• Ensures the latest technology standards, and guidelines are utilized for development.
• Performs consistent & adequate code reviews & feedback to the team.
• Training and induction of new resources on the projects.

Skills and Qualifications

• Deep understanding of OOPs and OOAD.
• Expert and hands-on in Java JEE and Spring framework, Spring Boot.
• Should have experience with RESTful web services and API standards.
• Should know various integration patterns in distributed environments.
• Working knowledge of microservice architecture and different design patterns.
• Hands-on in writing unit tests with Mockito and code coverage tools.
• Hands-on data modeling (Logical physical).
• Knowledge of RDBMS, SQL and any ORM framework (JPA, Hibernate etc.)
• Should know Event-driven and asynchronous programming using message broker.
• Should know about cloud IaaS, PaaS, SaaS and Serverless models of any cloud provider (AWS, Azure, GCP), preferably AWS.
• Knowledge of JavaScript frameworks like NodeJS (For the Backend) and Angular React (For Frontend) will be added advantage.
• Good to have DevOps related technologies like Container (Docker), Container Orchestrator (Kubernetes EKS)
• Excellent in communication

Core Responsibilities:

• Design and build solutions for complex business workflows
• Understanding the user persona and deliver a slick experience
• Take end to end ownership of components and be responsible for the subsystems that you work on from
• design, code, testing, integration, deployment, enhancements, etc.
• Write high-quality code and taking responsibility for their task
• Solve performance bottlenecks
• Mentor junior engineers
• Deliver with quality, on-time in a fast-paced start-up environment

Required Skills:

• Bachelor/Master's in computer science or relevant fields
• 4+ years of relevant experience
• Strong sense of ownership
• Excellent Java and object-oriented development skills
• Experience in building and scaling microservices
• Strong problem-solving skills, technical troubleshooting and diagnosing
• Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
• quality within the team
• Strong knowledge in RDBMS and NOSQL technologies
• Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
• Excellent understanding of Debugging performance and optimization techniques
• Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
• Experience in developing any large scale Experience in cloud technologies
• Demonstrated ability to deliver in a fast-paced environment

Job Description :

• 3 or more years of experience of server side web systems engineering and middleware in a project services or product engineering organisation
• Hands-on development experience using JavaScript on the Server Side with Node.js and associated frameworks
• Published sites/systems that are now online
• Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
• An engineering Degree in computer science or equivalent practical experience
• A solid understanding of networking, storage, operating/browser systems engineering as well as application/software systems performance optimisation and third party systems integration
• Hands on experience with Amazon Web Services
• Prior experience working within the Media, E-commerce, Telecommunications or similar large scale consumer facing industry