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- B.E/B.Tech or any relevant Masters degree from reputed college
- 2 to 4 years of experience with Java / J2EE application development stack
- Experience with: Spring framework(Core, JPA, Security, Boot), Hibernate, Secure APIs using JWT/OAUTH
- Good understanding of OOPS concepts
- Proficient understanding of code quality standards
- Solid experience in design, coding, unit testing and debugging
Good to have: Optional
- Working experience with microservices, sonar, docker, K8s, jenkins
- Knowledge of AWS cloud
Job Responsibility ::
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
- Experience in working with popular web application frameworks like Play and Spark
- Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
- Ability to write clean, readable Java code
- Basic knowhow of class loading mechanism in Java
- Experience in handling external and embedded databases
- Understanding basic design principles behind a scalable application
- Skilled at creating database schemas that characterize and support business processes
- Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- In-depth knowledge of code versioning tools, for instance, Git
- Understanding of building tools like Ant, Maven, Gradle, etc
- Expertise in continuous integration
Other required skills of java developer include the basic knowledge of:
- Java Server pages (JSP) and servlets
- Web frameworks like Struts and Spring
- Service-oriented architecture
- Web Technologies like HTML, JavaScript, CSS
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.
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
• Exp. - 6 to 12 years.
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.
About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
Backend SDE II
Responsibilities
- Software Engineering
- Design and develop highly scalable, available, reliable, secure and fault tolerant
systems with minimal guidance for a market leader in the logistics industry
- Partner with team members on functional and nonfunctional requirements and
spread design philosophy, goals and improve the code quality across the team
- Research new technologies and tools that enable building the next generation of
our services
- Provide technology leadership to the team and foster engineering excellence
- Product Delivery
- Partner with product managers to define and execute on the feature roadmap
- Translate business requirements into scalable and extensible design
- Coordinate with various cross functional teams on planning and execution
- Maintaining automated build / test / deployment environments
Qualifications
- Software Engineering
- Should have at least 3 years of hands on experience in designing, developing,
testing and deploying applications on Java, Ruby, Kotlin, Python, Node or Go for
large scale applications
- Deep knowledge of one of the programming language they have experience in
- Proficient in OOP and Design Patterns, experience with functional programming
would be a plus
- Data modelling experience in Relational Databases
- Ability to design and implement low latency RESTful services
- Product Delivery
- Ability to scope, review and refine user stories for technical completeness and to
alleviate dependency risks.
- Well versed in working with agile methodologies which includes phases such as
design, development, code review, testing and release management
- Ability to have worked in a CI/CD environment, with hands on experience with Git
or any similar source code management tools
- Product Maintenance
- Experience troubleshooting server performance issues such as memory tuning,
GC tuning, resource leaks etc
- Continuously refactor applications to ensure high quality design
Technologies Used
Below are few of the technologies that we work on:
Type Technology
Web Application Framework Ruby on Rails, Ktor, AWS Lambda
Languages Ruby, Java, Kotlin, Javascript, Python
Datastores PostgreSQL, Aerospike, Redis, Amazon Redshift, DynamoDb
Communication HTTP, Amazon SQS, Sidekiq, Amazon SNS
Server Management Amazon ECS, Docker
Product Overview
● You will be contributing to products concerning both customers and partner drivers.
● Product sectors include:
○ Growth: You’ll build tools to help boost user growth on the platform including our
industry best driver on-boarding, training and certification system, referral
system, and lead management models.
○ Lifecycle Management: Build tools to help users engage with the platform
better, which includes rewards and recognition module, subscription service,
account management tools, partner and customer wallets and payout modules,
and churn detection systems among others.
○ Transaction Experience: You’ll help deliver the most delightful booking
experience to our customers and drivers. As part of this team, you’ll be
responsible for our core booking system, pricing and payment systems, location
tracking and filtering services, fraud prevention systems, and in-app ticketing and
support among others.
○ Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure
high degree of ride fulfilment on the platform. Tools including allocation
methodologies and system, dynamic pricing, dynamic partner routing, and
partner re-activation tools among others.
○ Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery
excellence. You’ll build tools for contract management, fleet management, fleet
and route optimisation tools, alerting and monitoring tools, and analytics suite
among others.
Profile- Java Developer
Experience– 4 to 7 Years
Skills Required - Java, Spring Boot, Hibernate, Microservices, Design Patter, JUnit, Mockito
Roles & Responsibilities -
- Experience in Java, J2EE, and Java 8 Features
- Experience in Java frameworks such as Spring, Hibernate.
- Experience in Microservices Architecture.
- Expertise in designing and implementing RESTful APIs.
- Familiarity with build tools such as Ant, Maven, and Gradle
- Proficient understanding of code versioning tools, such as Git
- Familiarity with Agile methodologies and Scrum framework.
- Sound knowledge of Oops programming
- Basic knowledge of any cloud and CI/CD Tools
Dear,
We are excited to inform you about an exclusive opportunity at Xebia for a Senior Backend Engineer role.
📌 Job Details:
- Role: Senior Backend Engineer
- Shift: 1 PM – 10 PM
- Work Mode: Hybrid (3 days a week) across Xebia locations
- Notice Period: Immediate joiners or up to 30 days
🔹 Job Responsibilities:
✅ Design and develop scalable, reliable, and maintainable backend solutions
✅ Work on event-driven microservices architecture
✅ Implement REST APIs and optimize backend performance
✅ Collaborate with cross-functional teams to drive innovation
✅ Mentor junior and mid-level engineers
🔹 Required Skills:
✔ Backend Development: Scala (preferred), Java, Kotlin
✔ Cloud: AWS or GCP
✔ Databases: MySQL, NoSQL (Cassandra)
✔ DevOps & CI/CD: Jenkins, Terraform, Infrastructure as Code
✔ Messaging & Caching: Kafka, RabbitMQ, Elasticsearch
✔ Agile Methodologies: Scrum, Kanban
⚠ Please apply only if you have not applied recently or are not currently in the interview process for any open roles at Xebia.
Looking forward to your response! Also, feel free to refer anyone in your network who might be a good fit.
Best regards,
Vijay S
Assistant Manager - TAG
Role & Responsibilities:
- Handle multiple products/modules simultaneously, lead the team in development and support
- Lead development teams
- Daily updates to customers and Product Managers/Delivery Managers
- Participate in design discussions
- Design and Architect small modules
- Effort estimations for modules, subsystems or use cases.
- Learn new skills and mentor the new team members
- Champion best practices within the team, including code reviews
Work Experience & Skills:
- B.E/B.Tech or any relevant Masters degree from reputed college.
- Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring JDBC, Jquery, Java script, HTML 5 and CSS
- Strong experience in Postgres or any SQL technology
- Experience with working on Tomcat, Apache, JBoss or any similar application server
- Should have 3+ years of experience in leading team.
- Good experience in JSON / RESTful API / Web Services.
- Experience in working on Agile methodology using Scrum and sprints
- Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
- Experience in cloud technologies, Microservices and frameworks such as AWS or GPC, container technologies like Docker is a plus.
- Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
- Experience in Microservices, SpringBoot and Angular is a plus.
- Experience with tuning deployed applications for scalability and performance.
- Good knowledge of deployment and scripting on Linux/Unix servers
- Strong technical documentation skills.
- Good oral and written communication skills
Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
Requirements:
- Good knowledge in Java integration, Spring and oauth/Rest Integration
- Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
- Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
- Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
- Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
- Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
- Driving innovations in the platform constantly & remaining ahead of the curve
- Development and testing of features/functions delivered via applications and services.
- Prototype ideas quickly using cutting edge technologies.
- Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
- Working with product managers using agile methodologies to deliver high quality solutions on time
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Working with operations teams to ensure your applications and services are highly available and reliable
- Mentoring junior engineers in the team both in the technical as well as on the product side
- Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
- Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
- Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
- Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
- Comfortable with writing unit tests using JUnit
- Worked with Git and are comfortable with Merge/Rebase concepts.
- Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
- Solid knowledge of algorithms, design patterns, and componentization approaches.
- Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
- Experience in software design patterns, problem solving and troubleshooting skills.
- Ability to determine impact of architectural solutions and recommendations.
- Must have experience in justification of technology solutions to business leaders.
- Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
- Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
- Have strong attention to detail.
- Ability to operate effectively both independently as well and within a team using Agile methodology.
- Proven problem-solving and interpersonal communication skills.
- Knowledge of payment domain will be an added advantage
Qualifications
- BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
- 20+yrs of Experience.
- Minimum 12+years of hands on Java programming experience.






