DATA MODELLER

Job Title: Backend Engineer - NodeJS, NestJS, and Python

Location: Hybrid weekly ⅔ days WFO (Bengaluru- India)

About the role:

We are looking for a skilled and passionate Senior Backend Developer to join our dynamic team. The ideal candidate should have strong experience in Node.js and NestJS, along with a solid understanding of database management, query optimization, and microservices architecture. As a backend developer, you will be responsible for developing and maintaining scalable backend systems, building robust APIs, integrating databases, and working closely with frontend and DevOps teams to deliver high-quality software solutions.

What You'll Do 🛠️ 

• Design, develop, and maintain server-side logic using Node.js, NestJS, and Python.
• Develop and integrate RESTful APIs and microservices to support scalable systems.
• Work with NoSQL and SQL databases (e.g., MongoDB, PostgreSQL, MySQL) to create and manage schemas, write complex queries, and optimize performance.
• Collaborate with cross-functional teams including frontend, DevOps, and QA.
• Ensure code quality, maintainability, and scalability through code reviews, testing, and documentation.
• Monitor and troubleshoot production systems, ensuring high availability and performance.
• Implement security and data protection best practices.

What You'll Bring 💼 

• 4 to 6 years of professional experience as a backend developer.
• Strong proficiency in Node.js and NestJS framework.
• Good hands-on experience with Python (Django/Flask experience is a plus).
• Solid understanding of relational and non-relational databases.
• Proficient in writing complex NoSQL queries and SQL queries
• Experience with microservices architecture and distributed systems.
• Familiarity with version control systems like Git.
• Basic understanding of containerization (e.g., Docker) and cloud services is a plus.
• Excellent problem-solving skills and a collaborative mindset.

Bonus Points ➕ 

• Experience with CI/CD pipelines.
• Exposure to cloud platforms like AWS, GCP or Azure.
• Familiarity with event-driven architecture or message brokers (MQTT, Kafka, RabbitMQ)

Why this role matters

You will help build the company from the ground up—shaping our culture and having an impact from Day 1 as part of the foundational team.

NX Block Trades Pvt Ltd is an innovative high-frequency trading firm, leveraging advanced technologies to create ultra-low-latency trading solutions. We are seeking an FPGA Developer with deep technical expertise to design, develop, and optimize FPGA-based trading solutions for high-frequency and medium-frequency trading environments.

Key Responsibilities:

• Lead the design, development, and optimization of FPGA-based trading solutions aimed at achieving ultra-low-latency in HFT (High-Frequency Trading) and MFT (Medium-Frequency Trading) environments.

• Perform FPGA architecture exploration, design partitioning, and performance analysis to optimize system performance.

• Develop and implement assembly-level coding at both hardware and kernel levels to ensure efficient FPGA performance.

• Test and validate FPGA designs for correctness, robustness, and compliance with functional and performance requirements.

• Work with teams across the firm, including software engineers, traders, and quantitative analysts, to integrate FPGA-based solutions into trading algorithms, order management systems, and market data processing pipelines.

• Lead efforts in setting up FPGA solutions over collocated servers at exchanges for improved latency reduction.

• Provide guidance on networking fundamentals and ensure seamless integration with trading platforms, especially NEAT, BOLT, and NNF systems.

Essential Qualifications and Skills:

• 5-7 years of relevant experience in FPGA development for HFT firms.

• Hands-on experience in FPGA architecture exploration, design partitioning, and optimization.

• Proficiency in hardware-level and kernel-level coding, with strong experience in assembly language.

• Strong understanding of networking fundamentals as applied to FPGA-based systems.

• Proven ability to perform FPGA design validation, testing, and performance tuning.

• Experience working with collocated servers at exchanges. • Must have experience integrating FPGA systems with NEAT, BOLT, and NNF systems.

• Top-tier educational background from Tier 1 colleges with a Master’s/PhD in Electrical Engineering, Computer Science, or related fields.

• Strong mathematical skills and the ability to apply mathematical principles to hardware design and performance optimization.

Preferred Qualifications:

• Master’s/PhD in Electrical Engineering or Computer Science from a Tier 1 institute.

• Hands-on experience working in high-frequency trading (HFT) environments.

• Strong knowledge of FPGA development frameworks and synthesis tools.

• Demonstrated experience in networking, systems design, and FPGA performance analysis

• 2+ years professional writing experience
• Excellent writing and editing skills
• Experience writing content for web/mobile products
• Experience writing emails, landing pages, or editorial content
• Proven ability to collaborate successfully with cross-­functional partners
• Ability to work independently in a fast-paced environment.
• Experience writing stories or more long-form editorial content
• Experience with trauma informed writing is a plus
• Experience writing for social impact products or audiences is a plus
• Solid understanding of email marketing and social channels are a plus
• Portfolio of writing samples

We are looking for a talented Content marketing manager to take full responsibility for our inbound marketing strategies including social media, blogs, and lead generation.

Our ideal candidate is a creative marketing professional, preferably with a writing background. You should be able to develop engaging content to attract and retain customers. For this position, it’s also essential to be up-to-date with new technologies and marketing trends.

Ultimately, you should be able to expand our company’s digital footprint and brand awareness.

• Design content marketing strategies and set short-term goals
• Undertake content marketing initiatives to achieve business targets
• Collaborate with design and writing teams to produce high-quality content
• Develop editorial calendar, delegate tasks, and ensure deadlines are met
• Deliver engaging content on a regular basis and inspire team members
• Edit, proofread and improve the content
• Optimize content considering SEO and Google Analytics
• Analyze web traffic metrics
• Share content through various channels, ensuring a strong web presence
• Receive customer feedback and generate ideas to increase customer engagement

As a Senior Software Engineer you have complete ownership of building out the Docexa product along with product people and the rest of the engineering team. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.

Your daily life

• Architecting of the whole platform
• Development of server-side logic
• Building new services and APIs
• Developing core business logic
• Maintenance of current APIs
• Improving the performance and reliability of our systems as we scale

Must-have skills

• You’ve been building web applications professionally for 4+ years
• You’re proficient in PHP 7, Laravel, and PostgreSQL
• You possess strong OOP and design pattern knowledge
• You are familiar with modern technology systems: AWS, load balancers, Kafka queues, caching, etc.
• You write understandable, testable and easy to maintain code
• You’ve the ability to build RESTful APIs
• Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
• Well versed with the fundamentals of computer science and distributed systems