
Role & Responsibilities
As a Software Development Engineer - 3, Backend Engineer , you will play a critical role in architecting, designing, and delivering robust backend systems that power our platform. You will lead by example, driving technical excellence and mentoring peers while solving complex engineering problems. This position offers the opportunity to work with a highly motivated team in a fast-paced and innovative environment.
Key Responsibilities:
Technical Leadership-
- Design and develop highly scalable, fault-tolerant, and maintainable backend systems using Java and related frameworks.
- Provide technical guidance and mentorship to junior developers, fostering a culture of learning and growth.
- Review code and ensure adherence to best practices, coding standards, and security guidelines.
System Architecture and Design-
- Collaborate with cross-functional teams, including product managers and frontend engineers, to translate business requirements into efficient technical solutions.
- Own the architecture of core modules and contribute to overall platform scalability and reliability.
- Advocate for and implement microservices architecture, ensuring modularity and reusability.
Problem Solving and Optimization-
- Analyze and resolve complex system issues, ensuring high availability and performance of the platform.
- Optimize database queries and design scalable data storage solutions.
- Implement robust logging, monitoring, and alerting systems to proactively identify and mitigate issues.
Innovation and Continuous Improvement-
- Stay updated on emerging backend technologies and incorporate relevant advancements into our systems.
- Identify and drive initiatives to improve codebase quality, deployment processes, and team productivity.
- Contribute to and advocate for a DevOps culture, supporting CI/CD pipelines and automated testing.
Collaboration and Communication-
- Act as a liaison between the backend team and other technical and non-technical teams, ensuring smooth communication and alignment.
- Document system designs, APIs, and workflows to maintain clarity and knowledge transfer across the team.
Ideal Candidate
- Strong Java Backend Engineer.
- Mandatory (Experience 1): Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)
- Mandatory (Experience 2): Must have been SDE-2 for at least 2.5 years (title should be there in resume)
- Mandatory (Tech skill 1) : Hands-on experience with RESTful APIs and microservices architecture
- Mandatory (Tech skill 2): Strong understanding of distributed systems, multithreading, and async programming
- Mandatory (Tech skill 3): Experience with relational and NoSQL databases
- Mandatory (Tech skill 4) : Exposure to Kafka/RabbitMQ and Redis/Memcached
- Mandatory (Tech skill 5): Experience with AWS / GCP / Azure, Docker, and Kubernetes
- Mandatory (Tech skill 6) : Familiar with CI/CD pipelines and modern DevOps practices
- Mandatory (Tech skill 7): Must have worked on core product/platform teams rather than support or internal tooling
- Mandatory (Ownership & Impact): Candidate should demonstrate end-to-end ownership of backend systems, including architecture/design decisions (HLD/LLD), scalability improvements, or measurable production impact (resume should clearly mention metrics such as scale, throughput, latency improvements, reliability, cost optimization, or user impact)
- Mandatory (Company): Top product companies (logistics, supply chain, e-commerce, or B2B SaaS at large scale)
- Mandatory (Stability): Must have stayed for at least 2 years with each of the previous companies
- Mandatory (Education): B.Tech in computer science or related field from Tier 1, Tier 2 colleges

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Position Overview:
Versatile Commerce empowers all organizations with innovative technology, enabling them to thrive and succeed with our bespoke solutions. Our tailored solutions not only simplify complex obstacles but also ensure unwavering reliability, positioning our clients at the center of every innovation. As a .NET Developer, you will be responsible for designing, developing, and maintaining web applications and systems that support Versatile Commerce digital presence. You will work with technologies such as .NET, ASP.NET, C#, SQL Server, MVC, Sitefinity CMS, and Azure to deliver high-performance and scalable solutions.
Key Responsibilities:
• Develop, enhance, and maintain web applications using .NET, ASP.NET, C#, and MVC.
• Design and optimize database solutions using SQL Server.
• Work with Sitefinity CMS to manage and develop content-driven websites.
• Deploy and manage applications on Microsoft Azure, ensuring scalability and security.
• Collaborate with cross-functional teams, including designers, testers, and project managers, to deliver high-quality solutions.
• Ensure application performance, security, and scalability by following best practices.
• Troubleshoot, debug, and optimize existing applications.
• Stay up to date with emerging technologies and industry’s best practices.
Required Qualifications:
• Proven experience in .NET development, including ASP.NET, C#, and MVC.
• Strong knowledge of SQL Server, including database design and optimization.
• Experience with Sitefinity CMS or other content management systems. • Familiarity with Microsoft Azure services for hosting and deployment.
• Understanding of RESTful APIs, web services, and third-party integrations.
• Knowledge of front-end technologies such as HTML, CSS, JavaScript, and jQuery is a plus.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Knowledge of DevOps practices, CI/CD pipelines, and cloud security.
• Certifications in Microsoft Azure or Sitefinity are a plus
About Us
Tradelab Technologies is a leading fintech company building high-performance trading platforms, low-latency systems, and scalable market infrastructure for the global trading and broking ecosystem. We work at the intersection of technology, trading, and innovation.
Role Overview
We are looking for an experienced Python Backend Developer with strong expertise in trading, low-latency systems, or high-frequency trading (HFT). The ideal candidate will design, develop, and optimize backend components powering real-time trading systems.
Key Responsibilities
- Develop and maintain backend microservices and real-time trading components using Python.
- Build low-latency, high-throughput systems optimized for trading workflows.
- Integrate with market data feeds, order management systems, APIs, and broker/exchange interfaces.
- Write clean, scalable, and high-performance code with a focus on reliability and fault tolerance.
- Work closely with product, QA, and DevOps teams to deliver robust and scalable platforms.
- Troubleshoot production issues and optimize system performance.
- Ensure system security, stability, and compliance with industry standards.
Required Skills & Experience
- 5–8 years of backend development experience with Python.
- Strong experience in trading/HFT/fintech/market infrastructure is mandatory.
- Deep understanding of algorithms, data structures, and system design.
- Experience working with multithreading, multiprocessing, asynchronous programming.
- Strong knowledge of API development (REST, WebSockets).
- Experience with Redis, Kafka, RabbitMQ, PostgreSQL/MySQL, or similar technologies.
- Hands-on experience building low-latency and high-availability systems.
- Familiarity with Linux systems, shell scripting, and performance profiling.
- Exposure to FIX protocol, OMS, RMS, or market data systems is a plus.
Good to Have
- Knowledge of microservices architecture and containerization (Docker, Kubernetes).
- Understanding of exchange trading mechanisms and order lifecycles.
- Prior experience in broker terminals, algo systems, or risk engines.
Why Join Tradelab Technologies?
- Work on cutting-edge trading technologies impacting millions of users.
- Fast-paced, innovation-driven engineering culture.
- Opportunity to build mission-critical systems in fintech and HFT.
- Competitive compensation and growth opportunities.
We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.
Responsibilities:
Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI
Build robust data models and optimize performance for SQL and NoSQL databases
Architect and deploy backend services on GCP/AWS, leveraging managed cloud services.
Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)
Ensure system reliability, security, and high availability for production environments
Requirements:
2–5 years of backend development experience
Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture
Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems
Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows
Experience with caching, queueing, authentication, and API performance optimization
Good to Have:
Experience with event-driven architecture, WebSockets, or serverless functions
Familiarity with Kubernetes or Terraform
Job Location: Gurugram, Haryana, India
Industry: Artificial Intelligence
Senior Software Engineer (Java)
We are looking for a Senior Software Engineer - Java
If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.
An exhaustive list of expectations :
✓ Design and implement cutting-edge applications
✓ Participate in code reviews and application debugging and diagnosis.
✓ Practice modern software development methodologies such as continuous delivery, and scrum.
✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.
Requirements -
✓ Knowledge and 5+ years of experience in developing Java applications
✓ A completed technical degree in Computer Science or any related fields.
✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.
✓ Solid experience in the design and implementation of Restful APIs and design patterns.
✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack
✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.
✓ Curiosity, out of box problem-solving abilities, and an eye for detail.
✓ Passion for clean code
What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.
Number of position – 3
Job Location – kolkata, Sector 5
- Experience in managing medium to large scale application project from beginning to end, with skills in requirement study and functional/detail design, QA, testing, and software change/version control management is advantageous
- Expertise in application development, and familiar with C#, Asp.net, jQuery, Webservice (REST/SOAP), Microservice, WCF
- Basic Equities Trading product knowledge is expected
- Familiarity with Equities/trade processing experience is an advantage
- Strong analytical and problem-solving skill is a must
- Ability to work under pressure, handle multiple tasks and work to tight deadlines.
- High sense of ownership of task assigned, deliver applications with high quality and efficiency.
- Good communication, inter-personnel skills is required
- Team player with strong interpersonal and communications skills
- Looking for 4 – 8 years’ experience in .NET
Technical Skills Desired:
- Must have experience in either of JavaScript frameworks: Angular
- Must have experience in either of backend software development [J2EE, Spring Boot, Spring core, JPA]
- Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java
- Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
- Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
- Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
- Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
- Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
- Knowledge on Cloud platform, technologies & deployments is an added advantage
- Resolves technical issues through debugging, research, and
- Must have experience with Agile tools
Functional Skills Desired:
- Good knowledge in product development domains
- Knowledge in Finance and Insurance domain preferred
- Maintain quality and ensure responsiveness of
- Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
- Troubleshooting development and production problems across multiple environments and operating platforms.
- Collaborate with the rest of the engineering team to design and launch new features
- Understanding and implementation of security and data
- Ensure designs are in compliance with specifications and standards and best industry
- Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
- Self-motivated & working independently with minimal
- Maintain code integrity and
- Experience working with graphic designers and converting designs to visual
- Follow the coding standards for java and angular
Technical Skills Good to Have:
- Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
- Exposure to Non-web-based developments, for both mobile and
- Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
- Willing to take up proof of concepts and showcase the technical capability
- Usage of design tools Visio or draw io
- Usage of CI/CD pipeline
Required Skills: Angular 11/12, .NET framework, .NET Core, Web APIs, Web Security,
Microservices, Event driven architecture, Clean Code and 12 Factor principles, Azure
PaaS services experience, public facing web application development, web analytics,
Bootstrap v5, Angular Material, jQuery, HTML/CSS, SQL Server, Transact-SQL, Azure
SQL
Experience working with software design, software development life cycle, and
development methodologies and implementation
Experience working with product systems design principles
Experience working with appropriate programming languages, operating systems,
hardware and software
Experience working with company application development policies and procedures
Experience working with company software and hardware products and related
business issues that may impact overall business plans
Responsibilities :
- Design and develop scalable, high performance, and reliable API driven services/applications in Java language that operate whole day.
- Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
- Interact with both business, financial research, and technical stakeholders to deliver high quality products and services that meets/exceeds business, customer, and technical requirements.
- Own products and code from cradle to grave including production quality/performance monitoring.
Required Skills :
- Experience building and running high performance enterprise applications developed in Java language.
- Hands on experience developing Java web applications built with modern standards-based APIs including Java based REST APIs and implementations.
- Experience in Java language APIs, Spring technologies, Hibernate, JDBC, RDBMS and NoSQL based data persistence.
- Experience developing solutions on AWS Cloud leveraging AWS Lambda, S3, DynamoDB, Cloud Formation, and other related AWS technologies.
- Solid understanding of Domain Modeling with Relational and Non-Relational Databases.
- Excellent debugging and problem-solving skills, including ability to diagnose and fix performance and scalability issues.
- Experience working in an agile methodology-based development environment.
- Excellent written and verbal communication skills.
- BS/B.Tech/M.Tech in Computer Science or a related field.
Share your resumes if this opportunity suits you.
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage










