Sr. Java Developer

About Us:

Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits

every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.

What You Will Do:

• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and a deep interest in scalable, low-latency systems.

• You should have 3–4 years of experience in Python-based development and be eager to solve complex performance and scalability challenges in trading and fintech applications.

• You measure success by your own growth, not external validation.

• You thrive on challenges, not on perks or financial rewards.

• Taking calculated risks excites you—you’re here to build, break, and learn.

• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading environment.

• You understand the stakes—milliseconds can make or break trades, and precision is everything.

What We Expect:

• Develop and maintain scalable backend systems using Python.

• Design and implement REST APIs and socket-based communication.

• Optimize code for speed, performance, and reliability.

• Collaborate with frontend teams to integrate server-side logic.

• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.

• Build fault-tolerant, multi-producer/consumer systems.

Must-Have Skills:

• 3–4 years of experience in Python and backend development.

• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).

• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.

• Bachelor’s degree in Computer Science or related field.

Nice-to-Have Skills:

• Past experience in fintech, trading systems, or algorithmic trading.

• Experience with GoLang, C/C++, Erlang, or Elixir.

• Exposure to trading, fintech, or low-latency systems.

• Familiarity with microservices and CI/CD pipelines.

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/

About Telstra:

Telstra is Australia’s leading telecommunications and technology company, with operations in more than 20 countries. At Telstra, We've implemented an IT strategy that employs leading-edge software engineering practices to help deliver a superior customer experience with improved trust and speed of delivery, lower cost, and simplified architecture, systems and processes.

Your key responsibilities and major tasks include, but are not limited to

• As a backend Java developer, you will work within a specific problem space critical to Telstra’s current needs where you will design, develop, and deploy backend services with a focus on scalability, high availability, and low latency.
• Review and integrate all application requirements, including functional, security, integration, performance, quality, and operations requirements.
• Apply engineering best practices such as Agile, CI/CD, and DevOps as part of a high performing motivated team.
• Collaborate and grow in a dynamic and autonomous environment while working in small, agile, and cross functional teams
• Pivot to working on new features and developments, to providing production support in the production and pre-production environments assisted by all team members. This responsibility is equally shared by all members of the team.
  
  

We are looking for candidates with the following experience and skills:

Essential skills and Experience

• 3 years – 7 years year experience in this area
• Must have strong Java programming background (preferably Java 8+)​
• Preferred Frameworks – Spring Boot​
• Unit Testing, Integration testing and Automated testing. ​
• Experience with Continuous Integration/Deployment​
• Microservices development – HTTP, REST API​ design and implementation​
• Comfortable to operate in an agile, dynamic environment​.

Location: Bangalore

Function: Software Engineering → Backend Development

Requirements:

• 4 + years of experience in Java, Spring, Hibernate, Springboot/microservices
• Good understanding and practical experience in Spring framework ( Spring boot,JPA,MVC)
• Extensively worked on microservices based design architecture
• Strong command on Data Structures, algorithms & Problem Solving
• Very strong on Oops Java Basic,
• Good on Multithreading Concepts
• Should have good exposure on Messaging platform (Kafka,JMS, AMQ etc,)

About Bigbasket.com

At bigbasket.com we believe in being smart, quick and efficient, making your life as leisurely as possible. We understand that in this fast-paced world, time is always of the essence and hence want to make your grocery shopping easy and convenient so that no time is wasted in this process. So, no more hassle of going down to the grocery store and long queues for billing etc. You can browse through our varied range of products at bigbasket.com, order them and get them to be delivered at your own convenient time slot.

We specially hand pick each and every product for you, putting it through a safety packaging process and finding your home, no matter how bad the wind is or how cold the weather is. Our ''No questions asked refund' and ''10% off for a delayed delivery'' policy makes us a customer friendly online food and grocery store. Just follow three simple steps and get your order delivered - simply Browse, Add to cart & Choose delivery slot!

Why Explore a Career at Bigbasket.com

Bigbasket engineering thrives on out of the box thinking and relentless pursuit of excellence. We are looking for senior developers who share our passion for building world class software. If you are excited about the prospect of changing the way India shops for groceries and being a pioneer -- then this a great home for you. Not to mention the thrill of building products that millions use on a daily basis and using cutting edge technology to make the products customers love.

While we are techies at heart -- we don't use technology for the sake of technology, but pride ourselves in solving customer problems in the most efficient and elegant ways. Do the customers really care about efficient implementation of Levenshtein Distance? Well no. But they really appreciate when their typos are pardoned and don't get in the way. Similarly customers don't give a damn that robots efficiently segregate their packets, but they do care about their orders delivered in a timely way.

If you enjoy Coding, Testing and love solving business problems, then we'd like to meet you.

Role- Software Development Engineer-2

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills

• You write high quality, maintainable, and robust code, often in Java or C++ or C#
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
• Roles & Responsibilities
• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

Skills & Experience

• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.

About Amazon.com

“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos

Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.

Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.

We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.

About Amazon India

Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.

We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.

We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.

Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.

Loyalty Juggernaut, Inc. (LJI) is a next-generation loyalty and customer engagement solutions enterprise, helping brands re-imagine their loyalty initiatives in #theageofdigitalconsumer.

Headquartered in the Silicon Valley with R & D and Professional Services presence in Hyderabad, India and Distribution offices globally. LJI is founded by customer relationship management experts with decades of experience in delivering world-class technology innovations in CRM, Loyalty, AdTech and consulting for leading global brands across industries. 

LJI delivers GRAVTY – transformational digital platform for loyalty and customer engagement built on Big Data, Micro-services based, Serverless Architecture, AI/ML delivered on the Cloud to help brands execute innovative strategies aimed at attracting, acquiring, rewarding, recognizing, engaging, and leveraging customers in order to maximize revenue, profitability and customer lifetime value.

Visit us at http://www.lji.io/">www.lji.io

LJI is inviting applications for the position of Product Engineer in our R&D Team

YOUR RESPONSIBILITIES 

As a Product Engineer in R&D team, you will  be responsible for end-end Software development life-cycle involving Technical design, implementation, deployment, and support. You will 

• Work actively with Product Specialists, Business Analysts and other stakeholders on the development of cutting-edge product features
• Partner with Customer Success teams to review and implement business requirements
• Build high-quality innovative and reusable code - design and implement new features in cooperation with the enterprise architect
• Conduct software analysis, programming, testing and debugging
• Ensure designs are in compliance with specifications
• Identify production and non-production application issues and support them

OUR TECH STACK

• Java(SpringBoot)
• Python(Django)
• PostgreSQL
• REST, WebServices
• Angular, Javascript, HTML
• Jenkins, Maven, Git, Ansible
• AWS

YOUR PROFILE

1. B.Tech or M.Tech in CSE/IT OR MCA/BCA
2. Strong programming skills
3. Analytical mind and problem-solving aptitude   
4. Excellent communication skills
5. Attention to detail  

OUR OFFERING

1. Opportunity to Innovate with and Learn from a World-class technology team
2. Dabble into the future of technology - Enterprise Cloud Computing, Blockchain, Machine Learning and AI, Mobile, Digital Wallets, and much more...
3. Grow with a fast growing company with global presence and recognition

• 3+ years of experience with Ruby On Rails.
• Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.
• Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
• Experience in fintech domain will be another added advantage
• Bachelor’s degree in computer programming, computer science, or a related field.
• Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.

Sr. Backend Developer | Disruptive HR Tech Platform | GGN

What you need to have:

Experience: 4 to 7 years