Java Developer

Are you looking for a super-challenging role designing backend systems that scale to 1000+ TPSs in one of India's fastest growing, profitable near-Unicorns with businesses spanning Lending, E-comm and UPI? Then this is the role for you.

Client Company is a profitable, rapidly scaling unicorn which is extremely well capitalized. Client has a very strong moat in the consumer lending space on the back of which it is entering into additional large markets such as E-comm and UPI.

Client company is now entering its next phase of growth from a fast-scaling startup to a robust, high-scale financial platform serving millions of users daily.

You'll design systems built for 10x100x growth, make the key technical trade-off calls, and stay deeply hands-on. Beyond building, you'll mentor engineers and work directly with founders and product teams to translate business goals into scalable, reliable systems.

This role is an opportunity to:

• Shape the next-generation architecture for a high-throughput fintech system
• Build systems designed to scale 10x100x from current volumes
• Solve real-world problems across performance, reliability, and financial-grade security

Responsibilities

• Design and evolve the platform architecture to support 10x100x growth
• Own systems end-to-end from the first design decision to production impact
• Lead system design discussions and set the long-term technical direction for the platform
• Identify scale bottlenecks early and drive solutions
• Mentor and elevate engineers through design reviews, code quality, and architectural thinking
• Partner directly with founders and product teams to turn business priorities into scalable systems
• Operate with high ownership in a fast-paced environment where priorities evolve quickly
• Drive projects independently own timelines, coordinate with teams, and see delivery
• Conduct rigorous code reviews and champion engineering best practices across the team
• Proactively identify gaps in the system and come up with concrete approaches to address them
• Solve technical problems across the company not just confined to a single pod
• Challenge existing architecture with data and reasoning push back when its the right call, and drive adoption of better approaches.

Requirements

• 7-12 years of experience in backend or platform engineering
• Strong computer science fundamentals (preferably from IIT, BITS, NITs)
• Strong proficiency in backend development (Node.js, Java, Go, or equivalent)
• Proven experience scaling systems through high-growth startup phases (1→10 or beyond)
• Track record of building and owning critical platforms or systems from scratch
• Exposure to high-volume transactional systems; fintech or lending is a strong plus
• Bias for action - moves fast, makes sound decisions, owns outcomes end-to-end
• Comfortable navigating ambiguity and evolving priorities in a startup environment
• Strong problem-solving skills ability to break down complex technical challenges and arrive at pragmatic, well-reasoned solutions
• Hands-on experience with platform engineering developer tooling, shared services, infrastructure abstractions, or internal platforms

• Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing
• with (Junit, Mockito)
•  Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM
• frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
•  Strong experience in applying Object-Oriented design principles and Design Patterns
•  Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented
• Architecture 
•  Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
• MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
•  Additionally, must possess capability to review code, produce technical specification document
• and knowledge of code quality tools (PMD/FindBugs/Sonar)

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/

Overview

Telstra is Australia’s leading telecommunications and technology company, with operations in more than 20 countries, including In India where we’re building a new Innovation and Capability Centre (ICC) in Bangalore.

We’re growing, fast, and for you that means many exciting opportunities to develop your career at Telstra. Join us on this exciting journey, and together, we’ll reimagine the future.

Why Telstra?

• We're an iconic Australian company with a rich heritage that's been built over 100 years. Telstra is Australia's leading Telecommunications and Technology Company. We've been operating internationally for more than 70 years.
• International presence spanning over 20 countries.
• We are one of the 20 largest telecommunications providers globally and the largest telecom provider.
• At Telstra, the work is complex and stimulating, but with that comes a great sense of achievement. We are shaping the tomorrow's modes of communication with our innovation driven teams.

Telstra offers an opportunity to make a difference to lives of millions of people by providing the choice of flexibility in work and a rewarding career that you will be proud of!

Our GBS team

The mission of the Global Business Services (GBS) unit is to leverage talent, technology and partnership to create growth, value, innovation and differentiation via a service mindset. 

Our focus is to deliver great experiences, to simplify and innovate, and drive Telstra’s profitability across a global operating footprint.

The role with us

As a Senior Software Engineer, you thrive on understanding and translating customer needs into new products and capability. You apply deep technical expertise and experience in software application layer solutions, to develop and deliver scalable design blueprints across the end-to-end software development life cycle. Your continuous learning and improvement mindset, collaboration and influencing skills are critical to success in this role.

What you'll work on

As a Software Engineer, you will be working on development project which will be based on API transitions, API Management ,API Monetization engine (based on Java, Springboot & AWS) and high traffic transactions.

Key responsibilities

As a Senior Software Engineer, you apply deep experience and technical know-how in the Software Engineering domain with-

• 7-10 years of experience

• Design, build and maintain multiple complex software application technologies and their interaction with Telstra processes and systems

• Develop innovative software that maintains data/network security management, and leverage set processes to reduce the time between commission and production

• Authentically engage with and influence a multi-stakeholder landscape to translate customer needs into leading-edge software application products, services or systems that meet Telstra’s time, cost and quality standards 

• Collaborate with team members and key stakeholders, seeking support, direction and buy-in to gather deep insights about the challenges and opportunities of our software application technologies and platforms

• Significantly contribute to continuous improvement initiatives of our systems and processes, to help define ‘best practice’ corporate testing standards and drive improved outcomes (e.g. productivity, customer experience and/or profitability)

• Lead initiatives or components of initiatives in line with the strategic direction of your team/mission, that have a significant degree of impact to the function or cross-functionally

• Take ownership of your own actions and decisions to drive positive outcomes within your team/mission, and provide guidance to more junior engineers in order to support their development and contribution to team/mission outcomes 

Why join us?

The work is complex and challenging, but will put you at the forefront of technological change as it happens and offer you career experiences you won’t find anywhere else.

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We’re committed to building a diverse and inclusive workforce in all its forms. We encourage applicants from diverse gender, cultural and linguistic backgrounds and applicants who may be living with a disability. We also offer flexibility in all our roles, to ensure everyone can participate. 

To learn more about how we support our people, including accessibility adjustments we can provide you through the recruitment process, visit tel.st/thrive.

•  2 - 6 years of software development experience
•  Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
•  Excellent analytical, logical and problem-solving skills
• Software Development Engineer
• Good understanding of complexities involved in designing/developing large scale systems
• Strong system design skills
•  Experience in technologies like Elasticsearch, Redis, Kafka etc
• Good knowledge of relational and NoSQL databases
• Familiarity with common machine learning algorithms. In-depth knowledge is a plus
• Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
• Ability to understand business requirements and take ownership of the work
• Exhibit passion and enthusiasm for building and maintaining large scale platforms

What you bring to the table

• Education: Bachelor's degree in IT, computer science or related
• Experience: 5-9 years of relevant experience for SSE role
• Exposure to microservices, API management tools like Swagger
• Must have experience in working on Agile Scrum teams in the past and exposure to any of the Agile project management tools like Jira, Mingle, RTC, TFS etc.
• Proficient in application log analysis.
• Experience Java/JEE Development - especially EJB 2.1 / 3.0, JDBC
• Experience with application servers such as JBoss AS or IBM WAS is an advantage
• Experience in SQL programing using PostgreSQL / MySQL /Maria DB and JPA (Annotation Based)
• Knowledge of build tools such as Maven or Gradle and of continuous integration tools such as Jenkins, Nexus
• Basic knowledge of web services (SOAP or REST) and web technologies (HTML, CSS, JS)
• Basic knowledge of containers like Dockers, basic knowledge of cloud infrastructure
• Ability to interact and coordinate with employees at different levels, different groups, and different geographical locations within the company
• Ability to support multiple existing applications as well as work on building new ones
• Ability to provide accurate project estimates and make recommendations on specific technologies to use based on business requirements
• Good verbal and written Communication.
• Readiness for short term Domestic and International Travels

Preferred

• Industry knowledge with respect to payments systems and processing in the Debit/Credit and Account based payments (EFT Switching) from different channels like POS, ATM or ecommerce, Card Management System and Real Time Payment Systems.
• Exposure to the Interchange Interfaces like Visa Net, MasterCard, BankNet
• Exposure to Interchange Simulators and Mandates Management.