
and the entire internet. Our switches and routers are the backbone of large data centers that host Microsoft
Azure, Google Cloud, Facebook etc. High Frequency Traders rely on Arista to provide ultra-low latency network.
In India Arista powers the Flipkart’s Big Billion Day Sale event which has over billion transactions happening in
real time. Besides, we also provide the last mile connectivity for campus wide networking (both wired and
wireless) through our Cognitive Cloud Networking solutions. Arista disrupted the traditional infrastructure
technology by pioneering the move from hardware to Software Defined Networks, Cloud and now to greater
network visibility through telemetry and data analytics solutions. All this is possible because of the strong
product engineering innovation that is the core of Arista’s DNA. At Arista we take pride in our engineering
prowess. We hire the best engineers and give them the most complex infrastructure problems to solve. We
push for quality and not quantity. As our CTO/EVP(Engineering) Ken Duda puts it "It’s in our culture, quality is
the most important thing. Getting it right is more important than feature velocity, ship dates and new
platforms".
With over 400+ engineers in Bangalore and Pune are a big part of Arista’s technology leadership. With new
products in the offering, we are planning to strengthen the India team. If you are looking for an authentic
software engineering job where you can make a fundamental impact at the core infrastructure level, you
should be talking to us - we are looking for aptitude and attitude ; you need not have worked in wireless or
networking domains to work at Arista.
What will you get to do as a Software Engineer at Arista?
At Arista software engineers are the real deal - they do a lot more than simply writing code. You will work on
the whole development process, including:
• Suggesting and deciding what features to build
• Driving the design and architecture
• Pushing, testing, documenting the feature
• Working alongside customers in the field if needed
You will get to work with the best in your field and learn how to write amazingly reliable software - At
Arista everyone is hands-on including our managers, directors, VP’s and of course our CTO!
Are you right for this role?
Do you like coding? Does your adrenaline go up when you have difficult problems to solve? For success at
Arista all you need is:
• Strong engineering and Computer Science fundamentals
• Extensive background in algorithms and strong software architecture skills
• Fluency in one or more of these programming languages: C, C++, Python, Go, Java, JavaScript
• Hands-on experience with design and implementation in a strong product-engineering environment
• Self-driven and self-motivated - At Arista we empower engineers to work on their own with very little
supervision and management.
Why Arista?
As a great software engineer we know that you have multiple options to choose from. So why Arista? It is
because:
• Learning - A hands-on job like Arista’s is the best learning experience you can hope to get especially
when you work with peers who are equally good or better.
• Flexibility - Our engineers enjoy the utmost flexibility as we believe in judging by the output and not
by the hours worked. Our performance review process is designed to reflect this - we believe that
our best engineers know how to work and do not need to be told what to do.
• Truly global work - What we do in India is exactly the same as what we do in San Jose, Nashua,
Vancouver, Dublin, and other worldwide locations. You don’t have to move out of India to do
cutting edge software - at Arista you can do it right here.
• Large company with a start-up mind-set - We work like a start-up - less management, cost
conscious, innovating and disrupting our own products and we can go on. A mind-set that is hard to
get in $15b+ market cap public company.

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Specific Knowledge/Skills
- 4-6 years of experience
- Proficiency in Python programming.
- Basic knowledge of front-end development.
- Basic knowledge of Data manipulation and analysis libraries
- Code versioning and collaboration. (Git)
- Knowledge for Libraries for extracting data from websites.
- Knowledge of SQL and NoSQL databases
- Familiarity with RESTful APIs
- Familiarity with Cloud (Azure /AWS) technologies
Location: Bengalore, India, Exp: 3-5 Yrs
Backend Developer (Golang) - Trading & Fintech
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:
You should already be exceptional at Golang. If you need hand-holding, this isn’t the place for you.
You thrive on challenges, not on perks or financial rewards.
You measure success by your own growth, not external validation.
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 optimize high-performance backend systems in Golang for trading platforms and financial services.
Architect low-latency, high-throughput microservices that push the boundaries ofspeed and efficiency.
Build event-driven, fault-tolerant systems that can handle massive real-time data streams.
Own your work—no babysitting, no micromanagement.
Work alongside equally driven engineers who expect nothing less than brilliance.
Must have skills:
Learn faster than you ever thought possible.
Proven expertise in Golang (if you need to prove yourself, this isn’t the role for you).
Deep understanding of concurrency, memory management, and system design.
Experience with Trading, market data processing, or low-latency systems.
Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.
Hands-on with Docker, Kubernetes, and CI/CD pipelines.
A portfolio of work that speaks louder than a resume.
Nice-to-Have Skills:
Past experience in fintech, trading systems, or algorithmic trading.
Contributions to open-source Golang projects.
A history of building something impactful from scratch.
Understanding of FIX protocol, WebSockets, and streaming APIs.
Why Join Us?
Work with a team that expects and delivers excellence.
A culture where risk-taking is rewarded, and complacency is not.
Limitless opportunities for growth—if you can handle the pace.
A place where learning is currency, and outperformance is the only metric that matters.
The opportunity to build systems that move markets, execute trades in microseconds, and redefine fintech. This isn’t just a job—it’s a proving ground. Ready to take the leap? Apply now.
Company Description
NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.
Role Description
This is a full-time hybrid role for a Java Software Engineer, based in Pune. The Java Software Engineer will be responsible for designing, developing, and maintaining software applications. Key responsibilities include working with microservices architecture, implementing and managing the Spring Framework, and programming in Java. Collaboration with cross-functional teams to define, design, and ship new features is also a key aspect of this role.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Practical experience with AWS cloud services and building scalable, microservices-based architectures
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Role: Principal Backend Engineer
Primary Tech: Golang, Microservices, Distributed Systems
Work Mode: Hybrid (flexibility + collaboration)
We’re looking for someone who:
- Has deep experience in Golang and backend architecture
- Understands system design, scalability, and distributed systems
- Enjoys solving complex technical challenges in a high-impact environment
Level of skills and experience:
5 years of hands-on experience in using Python, Spark,Sql.
Experienced in AWS Cloud usage and management.
Experience with Databricks (Lakehouse, ML, Unity Catalog, MLflow).
Experience using various ML models and frameworks such as XGBoost, Lightgbm, Torch.
Experience with orchestrators such as Airflow and Kubeflow.
Familiarity with containerization and orchestration technologies (e.g., Docker, Kubernetes).
Fundamental understanding of Parquet, Delta Lake and other data file formats.
Proficiency on an IaC tool such as Terraform, CDK or CloudFormation.
Strong written and verbal English communication skill and proficient in communication with non-technical stakeholderst
Technical Skills: Java Technologies
Secondary Skills: Apache Kafka
- Proven experience in Java8, Spring Boot, Microservices/API
- Strong experience with Kafka, Kubernetes
- Strong experience in using RDBMS (Mysql) and NoSQL.
- Experience in working in Eclipse / Maven environments.
- Hands-on experience in Unix / Shell scripting.
- Hands-on experience in fine-tuning application response/performance testing.
- Experience in Web Services.
- Strong analysis & problem-solving skills
- Strong communication skills - both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects/tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills
Zumen is a Cloud-based Source-to-Pay software for product manufacturing companies.Zumen enables product manufacturing companies to digitize their direct sourcing and procurement, and manage every detail of the process in a transparent, collaborative platform. With Zumen’s part life cycle management, BOM interface, supplier base visibility and product cost management, companies can build an agile, resilient supply chain and get their products to market faster. Zumen is headquartered in Delaware, USA
Responsibilities:
- Develop features and modules independently based on the overall product architecture provided.
- Research and find solutions to challenging new problems; align with technology needs of the future.
- Fully grasp the product concept and think through challenging customer variations and use cases.
- Proactively seek to identify issues and resolve them at the stages of design, deployment and QA.
- Maintain quality and ensure responsiveness of applications.
- Demonstrate a strong sense of milestone-based performance and adherence to overall development timelines.
Requirements:
Experience - 2 to 5 years experience in Java Tech stack
- Strong hands-on experience in Java, Spring Boot, microservices and Rest API.
- Good understanding of general data privacy and information security.
- Exposure to cloud securities for SAAS application development would be an added advantage.
- A good understanding of all facets of building and delivering data-centric products is desirable.
- Knowledge of code versioning tools.
Building highly-scalable and secure payments platform
Primary owners of one or more components of the platform and will drive innovation in
your area of ownership
Working with various product teams gathering requirements and adding capabilities
Working with some of the smartest people in the industry and will have ample opportunity to learn and grow
Using cutting-edge cryptography to secure payments beyond industry standards
Deriving actionable insights by mining TBs of data
Building a low-level infrastructure that aims to push the boundaries of network
performance
Participating actively in recruitment and nurturing of engineers as awesome as you
What do we look for?
Review and influence new evolving design, architecture, standards and methods with
stability, maintainability, and scale in mind
Identify patterns and provide solutions to class of problems
Research, evaluate and socialize new tools, technologies, and techniques to improve the value of the system
Be able to multitask, prioritize and handle dependencies with minimal oversight
From a technology perspective, you should have the knowledge and/or experience in a
reasonably sized subset of the following ( the more, the merrier!! )
Worked on one or more large scale java applications
Good understanding of nuances of distributed systems, scalability, and availability
Good knowledge of one or more relational and NoSQL databases and transactions
Shrewd focus on latency and throughput of services
In-depth understanding of concurrency, synchronization, NIO, memory allocation and GC
Experience with IaaS clouds like AWS/Google Cloud, Azure, OpenStack etc..
Experience in working with Message Brokers and Application Containers
Great ability to mentor and train other team members

2. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving
3. Experience in Java Spring, Hibernate, Github. Spring boot optional









