7+ UDP Jobs in India

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.

About Us:

We’re a fast-growing fintech startup building cutting-edge trading platforms for brokers and financial institutions. We move fast, break barriers, and redefine what’s possible in trading technology. Our systems power real-time market data, high-frequency trade execution, and risk management, ensuring seamless transactions at lightning speed. If you thrive in an environment where innovation meets extreme performance, this is the place to be.

What We Expect:

• 4+ years of experience in C++ development, specializing in high-performance, low-latency systems.

• Deep expertise in modern C++ (C++14/17/20), multithreading, and concurrency.

• Strong Qt development experience for building real-time, high-performance trading UIs.

• Experience building ultra-fast order execution engines, market data feeds, and real-time risk

management tools.

• Strong understanding of networking protocols (TCP/IP, UDP, FIX) and interprocess communication (IPC, shared memory, message queues).

• Hands-on experience with latency optimization, performance tuning, and profiling tools (perf, Valgrind, gprof, etc.).

• Proficiency in memory management, lock-free programming, and CPU cache optimization.

• A deep understanding of exchange connectivity, order matching engines, and algorithmic trading systems.

• A hacker mentality—you love solving problems that seem impossible.

What You Will Do:

• Architect, develop, and optimize ultra-low-latency C++ trading applications that handle millions of transactions per second.

• Build high-performance market data processing solutions with microsecond-level latencies.

• Develop real-time, intuitive, and high-speed trading interfaces using Qt.

• Work on exchange connectivity, FIX protocol integrations, and risk management systems.• Profile and optimize code to achieve maximum throughput and minimal latency.

• Solve some of the hardest engineering problems in fintech alongside an elite team.

• Experiment with new technologies to stay ahead of the competition.

• Own your work end-to-end—from concept to deployment, pushing the limits of what’s possible.

Why Join Us?

• Be part of a high-energy startup with massive growth potential.

• Work with visionary fintech leaders and top-tier engineers.

• Build industry-defining products that will shape the future of trading.

• A culture that values bold ideas, rapid execution, and relentless optimization.

• Competitive compensation and a real opportunity to lead and innovate.

If you’re obsessed with performance, love breaking speed barriers, and want to be part of something

big, we want you on our team. This is your chance to build the future of trading. Let’s disrupt together.

Apply now.

Bachelor’s Degree or equivalent degree in computer science

Min 1-3 years of experience in Python and backend technology

Development experience with programming languages like C/C++, Erlang, Elixir.

Experience in Python / Go Lang is a must

Experience in creating and dealing with REST API and socket technology

Working Knowledge of RabbitMQ and Kafka

Knowledge of both SQL and NoSQL databases along with Redis and elastic search.

Working knowledge of network communication, TCP, UDP, HTTP, etc

Roles and Responsibilities:        

Participate in the entire application lifecycle, focusing on coding and debugging

Write clean code to develop functional web applications

Troubleshoot and debug applications

Perform UI tests to optimize performance

Manage cutting-edge technologies to improve legacy applications

Collaborate with Front-end developers to integrate user-facing elements with server-side logic

Gather and address technical and design requirements

Provide training and support to internal teams

Build reusable code and libraries for future use

Liaise with developers, designers, and system administrators to identify new features

Follow emerging technologies

Optimizing multiple producers and multiple consumer system

Develop a Fault-tolerant application design.

Job description:

Roles & Responsibilities

At Dolat, code is our business, so naturally, the Core Engineering and Systems team is at the centre of what we do. Our community of developers has designed and continues to enhance one of the fastest trading platforms using the latest tools and technologies. As a Software Developer, you’ll draw upon your computer science, mathematical, and analytical abilities to develop complex and nimble code used to grow our business and increase the efficiency of the global financial markets. Your responsibilities may include any of the following, which will require you to exercise discretion and independent judgment:

 Augmenting, improving, redesigning, and/or re-implementing Dolat's low-latency/high throughput production trading environment, which collects data from and disseminates orders to exchanges around the world

 Optimizing this platform by using network and systems programming, as well as other advanced techniques

 Developing systems that provide easy access to historical market data and trading simulations

 Building risk-management and performance-tracking tools

 Shaping the future of Dolat through regular interviewing and infrequent campus recruiting trips

 Implementing domain-optimized data structures

 Learn and internalize the theories behind current trading system

 Participate in the design, architecture and implementation of automated trading systems while taking ownership of system from design through implementation

Skills & Experience

 A strong background in data structures, algorithms, and object-oriented programming in C++

 Exchange Connectivity experience a plus

 Familiarity with Linux environments; Windows a plus

 High level knowledge & competencies in one or more of the following areas: TCP stack optimization Multi-core 1 machine parallelism Low level performance / cache optimization / profiling

Additional requirements include:

 Experience in distributed and/or highly concurrent systems is a plus

 Experience in low-latency systems and/or high transaction environments is a plus

 A passion for new technologies and ideas

 The ability to manage multiple tasks in a fast-paced environment

 Experience in network topologies and protocols like TCP and UDP

Roles & Responsibilities:

This role will be based in our brand new Hyderabad office. Join us in India’s beautiful “City of Pearls” and bring your ambition to life. We are looking for an experienced iOS engineer who is passionate about building modern, scalable applications for iOS and tvOS, and will take ownership of the full product feature cycle from design to delivery.

Your Team:

The R&D group is building and delivering the enablement platform for the current and next generation of media experiences in the fields of personalization, content interaction, and social interaction, all of which are at the core of DAZN's value proposition. Key parts of the workflow are ingestion, transcoding of various video and audio live/VOD assets, personalized processing, and distribution across the world to end-users, while allowing collaboration among users, all in real-time. This group is taking full responsibility for providing end-to-end social interaction functionalities on multiple platforms including web, smart TVs, iOS, Android, PlayStation, and Xbox.

As our new Senior iOS Engineer, you’ll have the opportunity to:

● Designing and developing our cutting-edge products, delivered to millions of

sports fans around the world.

● Be an essential part of a team working in a fast B2C paste product delivery

pipeline.

● Work with the most talented individual on features that cross platforms,

languages, and protocols to deliver social engagement to sports fans.

● Learn from the best in the field, and teach others.

● Own the full product feature cycle from being a part of the product

brainstorming through all dev cycles and up to take the responsibility for the

feature when rolled to production.

You’ll be set up for success if you have:

● B.Sc. in Computer Science or equivalent.

● At least 4 years of experience in Apple Swift/Obj-C development.

● Senior-level understanding of design patterns and architectures.

● A verse in 3rd party frameworks and solutions.

● Senior-level understanding of server-client fundamentals.

● Senior-level understanding of multithreading.

● Experience with UI Kit

● Experience with RxSwift development.

● Experience in writing unit tests.

● Strong analytical skills.

● Can-do attitude!

Even better if you have:

● Experience in writing automation tests.

● Continuous integration tools and practices.

● Familiarity with agile software development.

● Experienced with low-level systems in C/C++.

● Experienced with OpenGL, high-performance rendering, mobile device, digital

AV, video and audio codecs, and media players.

● Experience with RxSwift development.

● Experienced with working on networking technology and approaches, e.g.

client-server, peer-to-peer, writing network code using TCP/IP and UDP

stacks and networking concepts.(routing, congestion, datagrams vs. streams)

● Experienced with RT web technologies: WebSockets, WebRTC.

At DAZN, we bring ambition to life. We are innovators, game-changers and pioneers. So if you want to push boundaries and make an impact, DAZN is the place to be.

As part of our team you'll have the opportunity to make your mark and the power to make change happen. We're doing things no-one has done before, giving fans and customers access to sport anytime, anywhere. We're using world-class technology to transform sports and revolutionise the industry and we're not going to stop. If you're ambitious, inventive, brave and supportive, then you're the kind of person who's going to enjoy life at DAZN.

We are committed to fostering an inclusive environment, both inside and outside of our walls, that values equality and diversity and where everyone can contribute at the highest level and have their voices heard. For us, this means hiring and developing talent across all races, ethnicities, religions, age groups, sexual orientations, gender identities and abilities.

We are supported by our talented Employee Resource Group communities: proud@DAZN, women@DAZN, disability@DAZN and ParentZONE.

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation. 
 

Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

• Design, coding, enhancements, and bug fixing in DNS and related areas.

• Bring up new ideas to improve the day-to-day challenges in the design/functionality.

• Should be able to provide technical direction to the ongoing and future projects in the team.

• Keep the product vulnerability free by uplifting/fixing the open issues.

• Build tools and infrastructure to improve these F5’s components and features. 

• Set an example of software design and development innovation and excellence. 

• Research, investigate and define new areas of technology to enhance existing or new products directions

• Evaluate performance of products to fine-tune, and refactor the design as per the requirements to scale up.

• Must have worked in security and related areas.

• Document software designs via functional specifications and other design documents

• Conduct presentations internal and external, mentoring the team members

• May participate in the hiring and onboarding process

• Collaborate with team members and technical leads

• Responsible for upholding F5’s Business Code of Ethics and for promptly reporting violations of the Code or other company policies.

Knowledge, Skills and Abilities: 

Essential 

• Deep understanding of data structures & algorithm. 

• Expert in C, C++ with hands-on experience

• Fair understanding of scripting languages Python and JavaScript

• Expertise in Linux user-level programming and exposure to Linux networking stack.

• Good understanding on TCP/IP concepts.

• Proven experience with security standards.

• Excellent analytical and problem-solving skills. 

• Good understanding of Network security and DNS modules

• Excellent Understanding of networking technologies and OS internals.

• Prior experience in leading and delivering project/programs involving multiple teams.

• Prior experience of leading and mentoring senior engineers to deliver critical projects.

Nice-to-have 

• Prior experience developing DNS and related modules is a Plus.

• Good understanding of network protocols like TCP, UDP, HTTP, SSL, DNS, FTP etc. 

• Experience with CI/CD (git, pipeline etc.). 

Qualifications

• Requires a minimum of 15+ years of related experience with a Bachelor of Engineering in ECE/Computers or similar years’ experience with ME/MTech in ECE/Computers.

• Excellent organizational agility and interpersonal skills throughout the organization.

• Ability to work flexible hours for better collaboration with international teams.

F5 Inc. is an equal opportunity employer and strongly supports diversity in the workplace. The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.