About the job
We, at BitClass, are looking to hire a Senior Software Engineer to join the Personalization, Recommendation and Search team. As a core member fo the team, you will design, build and own complex systems that will provide a personalised and unique experience to the entire audience of BitClass. The role involves engineering and building interest cloud of users and serving them meaningful content based on a highly-tuned and robust recommendation engine.
Responsibilities and requirements
- Writing clean, high-quality, high-performance, maintainable code
- Hands-on with Elasticsearch and its capabilities to build indices and serve recommendations
- Familiarity with building async pipeline to keep indexing data into Elasticsearch
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Support test and deployment of new products and features
- Participate in code reviews
Qualifications
- Bachelor's degree in Computer Science (or related field)
- 3+ years of relevant work experience
- Expertise in Object Oriented Design, Database Design, and XML Schema
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work

About BitClass
About
Connect with the team
Similar jobs
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 We Expect:
• 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 You Will Do:
• 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.
Technical Expertise:
- Strong proficiency in OOP concepts, C#, .NET Core, Entity Framework, React, SQL Server, PostgreSQL, Dapper, ADO.NET, LINQ, and Web API Development.
- Experience with event-driven architecture and messaging systems such as Kafka or Rabbit MQ.
- Excellent debugging, troubleshooting, and performance optimization skills.
- Expertise in database development including tables, views, stored procedures, triggers, and functions.
- Hands-on experience with unit testing frameworks (XUnit).
- Proficiency in JWT services, Git, and third-party API integration.
- Experience in code review and mentoring junior developers.
- Preferred Qualification:
- Bachelor’s Degree in Business, Marketing, Communications, or related field.
What we want to accomplish and why we need you?
Jio Haptik is an AI leader having pioneered AI-powered innovation since 2013. Reliance Jio Digital Services acquired Haptik in April 2019. Haptik currently leads India’s AI market having become the first to process 15 billion+ two-way conversations across 10+ channels and in 135 languages. Haptik is also a Category Leader across platforms including Gartner, G2, Opus Research & more. Recently Haptik won the award for “Tech Startup of the Year” in the AI category at Entrepreneur India Awards 2023, and gold medal for “Best Chat & Conversational Bot” at Martequity Awards 2023. Haptik has a headcount of 200+ employees with offices in Mumbai, Delhi, and Bangalore.
What will you do everyday?
As a backend engineer you will be responsible for building the Haptik platform which is used by people across the globe. You will be responsible for developing, architecting and scaling the systems that support all the functions of the Haptik platform. While you know how to work hard, you also know how to have fun at work and make friends with your colleagues.
Ok, you're sold, but what are we looking for in the perfect candidate?
Develop and maintain expertise in backend systems and API development, ensuring seamless integrations and scalable solutions, including:
- Strong expertise in backend systems, including design principles and adherence to good coding practices.
- Proven ability to enhance or develop complex tools at scale with a thorough understanding of system architecture.
- Capability to work cross-functionally with all teams, ensuring seamless implementation of APIs and solutioning for various tools.
- Skilled in high-level task estimation, scoping, and breaking down complex projects into actionable tasks.
- Proficiency in modeling and optimizing database architecture for enhanced performance and scalability.
- Experience collaborating with product teams to build innovative Proof of Concepts (POCs).
- Ability to respond to data requests and generate reports to support data-driven decision-making.
- Active participation in code reviews, automated testing, and quality assurance processes.
- Experience working in a scrum-based agile development environment.
- Commitment to staying updated with technology standards, emerging trends, and software development best practices.
- Strong verbal and written communication skills to facilitate collaboration and clarity.
Requirements*:
- A minimum of 5 years of experience in developing scalable products and applications.
- Must Have Bachelor's degree in Computer Engineering or related field.
- Proficiency in Python and expertise in at least one backend framework, with a preference for Django.
- Hands-on experience designing normalized database schemas for large-scale applications using technologies such as MySQL, MongoDB, or Elasticsearch.
- Practical knowledge of in-memory data stores like Redis or Memcached.
- Familiarity with working in agile environments and exposure to tools like Jira is highly desirable.
- Proficiency in using version control systems like Git.
- Strong communication skills and the ability to collaborate effectively in team settings.
- Self-motivated with a strong sense of ownership and commitment to delivering results.
- Additional knowledge of RabbitMQ, AWS/Azure services, Docker, MQTT, Lambda functions, Cron jobs, Kibana, and Logstash is an added advantage.
- Knowledge of web servers like Nginx/Apache is considered a valuable asset.
* Requirements is such a strong word. We don’t necessarily expect to find a candidate that has done everything listed, but you should be able to make a credible case that you’ve done most of it and are ready for the challenge of adding some new things to your resume.
Tell me more about Haptik
- On a roll: Announced major strategic partnership with Jio.
- Great team: You will be working with great leaders who have been listed in Business World 40 Under 40, Forbes 30 Under 30 and MIT 35 Under 35 Innovators.
- Great culture: The freedom to think and innovate is something that defines the culture of Haptik. Every person is approachable. While we are working hard, it is also important to take breaks to not get too worked up.
- Huge market: Disrupting a massive, growing chatbot market. The global market is projected to attain a valuation of US $0.94 bn by the end of 2024 progressing from US $0.11 bn earned in 2015.
- Great customers: Businesses across industries - Samsung, HDFCLife, Times of India are some that have relied on Haptik's Conversational AI solutions to engage, acquire, service and understand customers.
- Impact: A fun and exciting start-up culture that empowers its people to make a huge impact.
Working hard for things that we don't care about is stress, but working hard for something we love is called passion! At Haptik we passionately solve problems in order to be able to move faster and don't shy away from breaking things!
Job ID : LK0601
Java Developer JD;
- 2-7 years of Experience
- Java 8
- Spring boot
- API development
- MVC architecture
- web services
- OOPS
Software Engineer
About Brew:-
We believe that the future of banking will be built on top of Cryptocurrencies and DeFi Protocols. However, in its current form, DeFi is too expensive and complex for a common person to participate in. We want to change that with Brew.
Underneath the hood, Brew is a Wallet that makes it super simple to make deposits and take out loans on DeFi and do peer-to-peer and merchant transactions without having to worry about gas fees or navigating multiple chains and tokens.
The founders come from a strong background in technology and product. We’re backed by some of the best investors in the startup and crypto ecosystem. We’re based out of Bangalore, India but are open to the remote too.
Role:-
We seek engineers who are passionate about building great products and have the conviction that Crypto is going to change the world for the better.
You may be fit for this role if you
- Love Programming and are able to write high-quality code.
- Have between 1-3 years of experience.
- Are curious and have a willingness to learn.
- Maintain a high degree of ownership and accountability.
- Are proficient in OOPs, Data Structures, and Algorithms.
- Familiarity with Solidity, Node.js, React Native and C++ is a plus.
As part of being the founding team, you will play a crucial role in shaping and building the product. In recognition of that, there will be a meaningful equity component in the compensation.
We look forward to talking to you.
Are you passionate about using technology to make people's lives better? Are you interested in becoming a part of one of the hottest trends in the world of start-ups today? Are you excited about joining the online ultra-fast grocery delivery service business pioneer and driving the trend forward? Then this may be the right opportunity for you.
Role and Responsibilities
- Helping lead the software development lifecycle: technical design, implementation, testing, deployment, and support.
- Working with cross-functional teams effectively to enable business growth.
- Proactively identifying engineering bottlenecks and initiating proposals to improve them.
- Writing high-quality, well-tested code in alignment with industry-wide best practices.
- Applying a product mindset to back-end systems.
-
- About five years of experience delivering product-quality code in an agile set-up
- Experience with Golang, REST APIs, Microservice Architecture, Elasticsearch, Redis, Docker, or Kubernetes
- Understanding of the philosophy of cloud and an experience of maintaining cloud-native services.
- Experience in designing, building, scaling, and maintaining production services, and knowledge of composing a service-oriented architecture.
- Experience of working in a fast-paced, rapidly-growing company (Good to Have).
- Working knowledge of Node.js (Good to Have).
-
- Passionate about technology and making an impact.
- A perpetual learner, who stretches their boundaries and enjoys new ideas.
- A doer who takes initiative and works well in a team.
-
Who We Are
Blok is a technology-first, online ultra-fast grocery delivery service business, and we are on our way to revolutionize how millions of people across countries consume groceries. We believe in a world where getting everything you need, when you need it, sustainably, is the new normal. And it takes less than 10 minutes.
We believe we are positioned to lead this revolution. Why? Our founding and early team has held senior positions at Deliveroo, Uber, Glovo, Mercadona, or Unilever. We have done this before, and we believe we can do it again. But this time, even better.
Embark on the journey and help us launch the revolution in one of the highest growth industries of the year. Help us shape the new normal.
- Exp- 3+ yrs
- Must be very good in Java- 2.5+ yrs
- At least 1 yr of working experience in any one DB of Neo4j, Cassandra, Elastic Search
- Should have good devops working knowledge - Knowledge of AWS, Ansibleetc is a necessity
- Experience in TDD/BDD is required
- Minimum 1 yr working experience in Samza& Kafka.
- Knowledge of Azure is added advantage
- Understanding of AKKA and Play framework
Ability to communicate across levels with excellent verbal and written communication skills
To be able to work in teams and collaborate with others to clarify requirements
To be able to assist in documenting requirements as well as resolve conflicts or ambiguities










