Senior Java Developer / Tech Lead Java

Job Title: Java Engineering Manager/Lead

Experience range:- 10 + Years

Location:- Pune / Mumbai

Knowledge and Skills:

• Strong proficiency in Core Java, Spring Boot.
• Experience with RESTful APIs, microservices, and multithreading.
• Solid understanding of RDBMS (MySQL/PostgreSQL).
• Exposure to cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
• Familiarity with CI/CD tools like Jenkins, GitLab, or GitHub Actions.
• Background in Fintech, particularly Digital Lending, Supply Chain Finance, or Banking products.
• Experience working in agile/scrum environments.
• At least 3 years of experience leading/managing a team of Java developers.

Key Responsibilities:

• Lead and mentor a team of Java developers, ensuring technical excellence and timely delivery.
• Actively participate in coding, code reviews, architecture decisions, and system design.
• Collaborate with cross-functional teams including Product Managers, QA, and DevOps.
• Maintain a strong hands-on presence in backend Java development and microservices architecture.
• Own the end-to-end lifecycle of features from requirement to deployment and post-release support

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/

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

F5 is looking for Software Engineer II with in-depth experience in high scale distributed systems. You will participate in the design and implementation of of our Edge Computing platform that is used to deploy global, scalable and secure applications. Your work includes, but not limited to, Research, design and build highly reliable, available and scalable platforms, API definition, implementation, deployment, operational management, and debugging.

Responsibilities:

• Deliver solutions that will help create, deploy and manage the service components of the platform
• Investigate various open source and close source technologies, components, libraries, tools etc. and help build a highly available, highly scalable and easily manageable system
• Take ownership of software components and   deliver   a   complete   product   satisfying   functional, scale, performance   and manageability requirements.
• Hands-on   coding   in   multiple   languages   while   considering   performance,  scalability, maintainability, and flexibility
• Understanding and exposure to design patterns and coding practices especially as applied to microservices architectures and API design, implementation and management
• Experience in Cloud native providers like MS Azure or AWS or Google Cloud or any major Cloud vendors in the market and their services
• Independently investigate, present options, review and implement completely new functionality
• You will work closely with other development teams, product management, UX, and QA to define and implement a new product offering while ensuring continued functionality.
• Perform code reviews, set coding practices and guidelines within the team
• Ability to implement all phases of a development cycle for a software product from understanding requirements, going through design, development and deploy phases
• Work with geographically distributed teams

Minimum Qualifications:

• Knowledge and experience in highly distributed software systems, ability to understand the nuances and solve problems related to scale, performance and resiliency of such a system
• Experience in programming languages: Golang, Java, Python any objected oriented high level proprietary or open source language with strong programming constructs.
• Good understanding of programming fundamentals & their application to highly scalable web-based systems
• Experience in developing polyglot software using service definition language and framework like gRPC, Thrift, Google Protocol Buffers, OpenAPI etc.
• Must have hands on SQL or No SQL technologies.
• Experience working on CICD methodology and Git based workflow
• Experience in Docker technologies including experience in optimizing Docker image and managing Docker image lifecycle. Experience in orchestration systems like Kubernetes and container technologies like Docker, rkt is a plus
• Excellent written and verbal communication skills
• Strong interpersonal, team building, and mentoring skills
• BS/MS degree in Computer Science or equivalent with 3+ years of software development experience

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

2+ years of experience developing web applications using J2EE.

2+ years of experience in Spring Boot.

Good knowledge of MicroServices.

Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.

Working experience in Industry Standard protocols related API Security including OAuth is a must.

Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.

Strong Shell scripting experience

Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.

Strong collaboration and communication skills within distributed project teams

Excellent written and verbal communication skills

• Experience 4 – 5 years
• Good in Backend Springboot
• write Rest API (Should be strong in this area)
• Good Analytical ability, Good coding practice, Knowledge of Spring Security (Desirable),
• UI Knowledge of Angular (Average knowledge should be enough)

We’re looking for a Senior Backend Engineer to help us build the tools, services, and applications that will enable us to be the planet’s most patient-focused pharmacy. You will work on projects ranging from greenfield initiatives to matured products with an active user base. 

• Collaborate with engineering team to design and implement products using event driven micro-services architecture.
• Interact with Product Managers and key stake-holders on regular basis to understand and execute Product vision.
• Take charge of end-to-end feature development, right from proof-of-concept to production deployment and support
• Brainstorm and lead continuous improvement projects for product
• Providing feedback to peer developers on code quality and development standards.
• Mentoring team on strong coding and design standards.
• Setting the bar high for development practises while striking the right balance between pragmatism and perfection for code and processes.
• Effectively document API's and services using Swagger/OpenAPI, visualize flow and dependencies using diagrams, and create technical documents on engineering wikis.
• Present crisp and clear feature demos to stakeholders.

Some of our opensource projects- https://meet.google.com/linkredirect?authuser=0&;dest=https%3A%2F%2Fgithub.com%2Fmedly">https://github.com/medly

We don’t expect anybody to be an expert on all of these, but you should be deeply familiar with some, and a self-starting learner who isn’t afraid to ask for help:

• Polyglot Development (at least 1 more lang apart from Java and JavaScript)
• At least one JVM language
• Functional Programming, 
• OO Design, Clean Code, SOLID principles
• Solid grasp on HTTP, and REST
• Web based SaaS product development
• Deployment to AWS or any cloud
• Test Driven Development, 
• Security Compliance like HIPAA, PCI-DSS, SOC2
• Git, Linux, CI/CD, Gradle, IDEA
• Security based on OAuth2 / OIDC
• SQL and NoSQL DBs like PostgreSQL, DynamoDB, ElasticSearch
• Docker
• SQL Migration tools like Liquibase, Flyway
• Semantic Versioning, Feature Toggles, PR, Feature Branches

• 3+ Years of experience mainly on Backend Development using any two languages (Java, Kotlin, NodeJS, Ruby etc.)
• Minimum a bachelor degree in Computer Science, Engineering or any related field.

• Develop service/APIs using Kotlin/Micronaut Node/Serverless
• Aurora Serverless PostgreSQL DB
• AWS, Lambda, API Gateway, Amplify, Cognito, Okta
• Github, Github Actions, SonarCloud
• Database versioning using tools like Liquibase
• Terraform to manage infra
• Cloudwatch/AWS X-Ray to monitor the infra
• Opportunity to make Open Source Contribution