Senior Python Backend Developer

Job Title : Java Developer

Experience : 2 to 10 Years

Location : Pune (Must be currently in Pune)

Notice Period : Immediate to 15 Days (Serving NP acceptable)

Budget :

• 2 to 3.5 yrs → up to 13 LPA
• 3.5 to 5 yrs → up to 18 LPA
• 5+ yrs → up to 25 LPA

Mandatory Skills : Java 8/17, Spring Boot, REST APIs, Hibernate/JPA, SQL/RDBMS, OOPs, Design Patterns, Git/GitHub, Unit Testing, Microservices (Good Coding Skills Mandatory)

Role Overview :

Hiring multiple Java Developers to build scalable and performance-driven applications. Strong hands-on coding and problem-solving skills required.

Key Responsibilities :

• Develop and maintain Java-based applications & REST services
• Write clean, testable code with JUnit & unit tests
• Participate in code reviews, debugging & optimization
• Work with SQL databases, CI/CD & version control tools
• Collaborate with cross-functional teams in Agile setups

Good to Have :

• MongoDB, AWS, Docker, Jenkins/GitHub Actions, Prometheus, Grafana, Spring Actuators, Tomcat/JBoss

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 Backend. 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 pay check; 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 for trading platforms and financial services.

• Architect low-latency, high-throughput microservices that push the boundaries of speed 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.

• Learn faster than you ever thought possible.

Must-Have Skills:

• Proven expertise in Backend (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 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.

Responsibilities:

• Work with product owners, managers, and customers to explore requirements and translate use-cases into functional requirements.
• Collaborate with cross-functional teams and architects to design, develop, test, and deploy web applications using ASP. NETCore | Open-source web framework for. NET, . NET Core, and C#.
• Build scalable, reliable, clean code and unit tests for. NET applications.
• Help maintain code quality, organization, and automation by performing code reviews, refactoring, and unit testing.
• Develop integration with third-party APIs and external applications to deliver robust and scalable applications.
• Maintain services, enhance, optimize, and upgrade existing systems.
• Contribute to architectural and design discussions and document design decisions.
• Effectively participate in planning meetings, retrospectives, daily stand-ups, and other meetings as part of the software development process.
• Contribute to the continuous improvement of development processes and practices.
• Resolve production issues, participate in production incident analysis by conducting effective troubleshooting and RCA within the SLA.
• Work with Operations teams on product deployment, issue resolution, and support.
• Mentor junior developers and assist in their professional growth. Stay updated with the latest technologies and best practices.

Requirements:

• 5+ years of experience with proficiency in C# language.
• Bachelor's or master's degree in computer science or a related field.
• Good working experience in. NET Framework, . NET Core, and ASP. NETCore | Open-source web framework for. NET and C#.
• Good understanding of OOP and design patterns - SOLID, Integration, REST, Micro-services, and cloud-native designs.
• Understanding of fundamental design principles behind building and scaling distributed applications.
• Knack for writing clean, readable, reusable, and testable C# code.
• Strong knowledge of data structures and collections in C#.
• Good knowledge of front-end development languages, including JavaScript, HTML5 and CSS.
• Experience in designing relational DB schema, PL/SQL queries performance tuning.
• Experience in working in an Agile environment following Scrum/SAFE methodologies.
• Knowledge of CI/CD, DevOps, containers, and automation frameworks.
• Experience in developing and deploying on at least one cloud environment.
• Excellent problem-solving, communication, and collaboration skills.
• Ability to work independently and effectively in a fast-paced environment.

UKG is looking to hire a Lead Software Engineer to join our extremely talented Data Science team. As a Lead Software Engineer at UKG, you’ll be embedded on the Data Science team where you can work on the next generation AI Platform. You’ll get to work directly with other Engineers, Software Testers, Business Analysts, Product Managers, and Directors, all of whom make up the team. In this highly collaborative environment, you will have the opportunity to grow as a software engineer, and even help mentor others.

This position requires excellent object-oriented programming skills and knowledge of design patterns. They will be involved in the deployment of our AI Platform/Services solution on the cloud. The job requires you to be able to design, develop, troubleshoot, and debug complex software applications at the enterprise level. We are looking for a software engineer who is passionate about programming and truly enjoys what they do. The ideal candidate for the Python Engineer position is someone who has a can-do attitude and is an innovative thinker.

UKG works in an agile environment where there are daily stand-ups, code reviews, and constant communication within each self-managed cross-functional team. The ability to communicate effectively with Business Analysts and Software Testers, as well as work closely with other team members are key components for success in this position.

Primary Responsibilities:

• Collaborate with members of the team to solve challenging engineering tasks on time and with high quality.
• Engage in code reviews and training of team members.
• Support continuous deployment pipeline code.
• Situationally troubleshoot production issues alongside the support team.
• Continually research and recommend product improvements.
• Create and integrate features for our enterprise software solution using the latest Python technologies.
• Write web services, business objects, and other middle-tier framework using Python
• Actively communicate with team members to clarify requirements and overcome obstacles to meet the team goals.
• Leverage open-source and other technologies and languages outside of the Python platform.
• Develop cutting-edge solutions to maximize the performance, scalability, and distributed processing capabilities of the system.
• Provide troubleshooting and root cause analysis for production issues that are escalated to the engineering team.
• Work with development teams in an agile context as it relates to software development, including Kanban, automated unit testing, test fixtures, and pair programming.

Qualifications

• 5-8 years experience as a Python developer on enterprise projects using Python, Flask, FastAPI, Django, PyTest, Celery and other Python frameworks.
• Software development experience including: object-oriented programming, concurrency programming, modern design patterns, RESTful service implementation, micro-service architecture, test-driven development, and acceptance testing.
• Familiarity with tools used to automate the deployment of an enterprise software solution to the cloud, Terraform, GitHub Actions, Concourse, Ansible, etc.
• Proficiency with Git as a version control system
• Experience with Docker and Kubernetes
• Experience with relational SQL and NoSQL databases, including MongoDB and MSSQL.
• Experience with object-oriented languages: Python, Java, Scala, C#, etc.
• Experience with testing tools such as PyTest, Wiremock, xUnit, mocking frameworks, etc.
• Experience with GCP technologies such as BigQuery, GKE, GCS, DataFlow, Kubeflow, and/or VertexAI
• Excellent problem solving and communication skills.

About Rocketlane

https://rocketlane.com/">Rocketlane is a SaaS startup founded in April 2020 by https://www.linkedin.com/in/srikrishnang/">Srikrishnan Ganesan, https://www.linkedin.com/in/vignesh-girishankar/">Vignesh Girishankar, and https://www.linkedin.com/in/deepakbsub/">Deepak Balasubramanyam. Before Rocketlane, they built a successful in-app messaging startup that was acquired by Freshworks(NASDAQ: FRSH) in 2015.

Rocketlane launched in June 2021 and washttps://www.producthunt.com/posts/rocketlane"> #1 Product of the day on Product Hunt. It has a fast-growing, global customer base, including LinkSquares, AppCues, ContractPodAI, Chargebee, parcelLab, and many more.

Rapid early traction and customer love has catapulted Rocketlane to be recognized as a Leader in the G2 Category of Client Onboarding. Rocketlane has raised $21M in capital from global VCs such as 8VC, Nexus Venture Partners, Matrix Partners India, and super angels like Gokul Rajaram and Girish Mathrubootham.

Rocketlane offers a first-of-its-kind collaborative customer onboarding platform that enables businesses to onboard their customers better, faster, and smoother. It helps speed up revenue recognition and grow NRR for the vendor and enables faster time-to-value and a delightful customer onboarding experience.

What’s the opportunity?

Are you a backend developer looking to fast-track your learning and growth? Have you looked at world class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?

At Rocketlane, we’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser focused on delivering a world class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.

If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with devops initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.

Some of the tech problems you get to work-on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault tolerant, work on performant code that adheres to SLOs set by the organization. 

About you:

• 3 - 7 years of experience
• Expertise in the following areas
• Java
• HTTP Protocol
• You’ve heard of or worked with some of the following tech stacks / products
• Spring
• PostgreSQL
• Redis
• Docker
• Message brokers
• GitHub
• These non-functional areas are familiar to you
• Performance 
• Debugging
• Log management

Nice to have:

• Familiarity with AWS

What’s in it for me?

• Great opportunity: Rocketlane genuinely cares about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups. 
• Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out thehttps://www.linkedin.com/feed/hashtag/?keywords=rocketlane_meet_the_team"> MTT(Meet The Team) videos on our LinkedIn. 
• Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
• Growth:  You could easily and quickly transition into other sales roles you might like.
• Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
• Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more! 

Job Description for Senior Python Developer 

Experience: 4 to 7 years

• Must have strong knowledge in Python 2/Python 3
• Must have a strong knowledge of Web development using the Django web framework and API development experience using Django REST API.
• Flask framework or any other framework’s knowledge is great.
• Ability to write reusable, testable, and efficient code
• Team Handling exposure
• Knowledge of Standard databases like MySql, PostgreSQL and NoSQL databases like MongoDB, Firebase, etc. Able to create database schemas that represent and support business processes.
• Understanding of fundamental design principles behind a scalable application
• Must be good at understanding client requirements.
• Good testing/debugging skills using standard python modules/IDEs
• Deployment experience with standard servers like Apache/AWS etc.
• Experience in testing frameworks known in the industry.
• Having good/basic knowledge of Front end Technologies HTML, CSS, Bootstrap, JavaScript is good.
• Proficient understanding of code versioning tools - GIT

The candidate must have experience in coding part and team handling experience both

Roles & Responsibilities:

• Work as a Web Developer to create front end & backend of websites
• Play a key role in the design lifecycle, from brief through to design and release/implementation
• Should have good knowledge of HTML, CSS, REACT JS, NODE JS, POSTGRES, GIT, REST API.
• A good understanding of servers, hosting, domains, DNS
• Ensure all designs work across all browsers and on all devices
• Help to design elements of mobile apps
• Ensure all designs are produced to deliver a great user experience

Key Skills/Experience:

• A minimum of one year of experience in designing and developing websites and web apps
• Good working experience in React JS, Redux, JavaScript ES6, NodeJS, AJAX, HTML, CSS, etc
• Knowledge about REST API
• Who has worked on libraries such as Bootstrap, Material is.
• Experience with Unit testing, Git, GitHub, and other DevOps and CI/CD tool
• A strong portfolio that demonstrates a range of work and techniques
• A passion for strong web design that delivers a great user experience
• A good understanding of the latest web design trends

Experience: 9 to 16 Yrs

Notice Period: Immediate to 15 days

Job Description:

- The Lead Engineer is responsible for deriving the technical architecture, detailed design, implementation, Performance, and Scalability of the developed system.

- The individual should be capable of single-handedly understanding the requirement, liaison with the product owner and external teams; produce the technical output required.

- Strong Leadership skills to contradict, produce a new design to current trends is required.

- Should be an avid technology enthusiast with strong views on technical architecture.

Technical Skills:

1) Strong Python and Mongo DB is mandatory

2) Web Application Architecture - One Large Project Experience of Development & Maintenance

3) Knowledge in one or more frameworks like WSGI(uwsgi), Django, Flask, Web Application development

4) Exposure to Databases like MongoDB, BigQuery, Elastic Search, Redis, etc.,

5) Knowledge of Code Quality Process and Discipline (Git, Jenkins, etc)

• 3-5 Years of experience in Backend Development.
• Must have experience in Python (FLASK framework).
• Have a Deep understanding of how RESTful APIs work.
• Familiar with various design and architectural patterns that can work at scale.
• Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
• Strong experience with at-Cloud technology, preferably AWS or GCP, or Azure.
• Core experience in developing complex backend systems.
• Communicating complex technical concepts to both technical and non-technical audiences.
• Passionate about application scalability, availability, reliability, and security.