Java lead, Java architect, Senior Java developer

JOB DESCRIPTION:

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 4– 12 years of strong hands-on experience in Core Java.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

Why Join Wissen Technology?

• Be a part of a high-growth organization that has expanded 400% in the last five years.
• Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
• Engage with Fortune 500 clients and deliver high-impact projects.
• Certified as a Great Place to Work®.
• Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
• Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
• Global presence across US, India, UK, Australia, Mexico, and Canada.

Website : www.wissen.com 

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 Java Developer with hands on experience in Core Java, multithreading, algorithms, data structure and SQL skills .

Required Skills:

• Experience - 5 to 10 years.
• Experience in Core Java 5.0 and above, CXF, Spring.
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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 client-facing applications.
• Good development experience with RDBMS, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills in Java.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Java Developer/Software Developer

Experience: 3 - 7 years

Qualification: MCA/B.Tech

Vacancy: 10

Roles and Responsibilities

• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
• Skill Set: Springboot Framework, Java

Note –  Only candidate ready to join immediately can apply.