Senior Java Developer

About NonStop io Technologies:

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment. We're seeking an experienced Backend Software Engineer to join our team. As a backend engineer, you will be responsible for designing, developing, and deploying scalable backends for the products we build at NonStop. This includes APIs, databases, and server-side logic.

Responsibilities:

● Design, develop, and deploy backend systems, including APIs, databases, and server-side logic

● Write clean, efficient, and well-documented code that adheres to industry standards and best practices

● Participate in code reviews and contribute to the improvement of the codebase

● Debug and resolve issues in the existing codebase

● Develop and execute unit tests to ensure high code quality

● Work with DevOps engineers to ensure seamless deployment of software changes

● Monitor application performance, identify bottlenecks, and optimize systems for better scalability and efficiency

● Stay up-to-date with industry trends and emerging technologies; advocate for best practices and new ideas within the team

● Collaborate with cross-functional teams to identify and prioritize project requirements

Requirements:

● At least 3+ years of experience building scalable and reliable backend systems

● Strong expertise in NodeJS/NestJS, Express, PostgreSQL

● Experience with microservices architecture and distributed systems

● Proficiency in database design (SQL and NoSQL)

● Knowledge of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines

● Deep understanding of design patterns, data structures, and algorithms

● Hands-on experience with containerization technologies like Docker and orchestration tools like Kubernetes

● Exceptional communication and leadership skills

● Strong understanding of object-oriented programming principles and design patterns

● Familiarity with automated testing frameworks and methodologies

● Excellent problem-solving skills and attention to detail

● Strong communication skills and ability to effectively lead and maintain a collaborative team environment

Job Description

We are looking for a motivated Java Developer with around 2-3 years of experience to join our development team. The candidate will be responsible for developing, testing, and maintaining high-quality applications using Java and related technologies.

Key Responsibilities

• Develop and maintain backend applications using Java.
• Write clean, scalable, and efficient code.
• Work with frameworks such as Spring Boot and Hibernate.
• Design and integrate RESTful APIs.
• Collaborate with cross-functional teams to define and deliver new features.
• Troubleshoot, debug, and upgrade existing software.
• Participate in code reviews and follow best development practices.

Required Skills

• Strong knowledge of Java.
• Experience with Spring Boot / Spring Framework.
• Understanding of Microservices Architecture.
• Experience working with MySQL or PostgreSQL.
• Knowledge of RESTful APIs and web services.
• Familiarity with version control tools such as Git.
• Basic understanding of Docker or cloud platforms is a plus.

Preferred Qualifications

• Bachelor’s degree in Computer Science or related field.
• Experience working in an Agile development environment.

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.

Core Focus:

• Operate with a full DevOps mindset, owning the software lifecycle from development through production support.
• Participate in Agile ceremonies and global team collaboration, including on-call support.

Mandatory/Strong Technical Skills (6–8+ years of relevant experience required):

• Java: 4.5 to 6.5 years experience
• AWS: Strong knowledge and working experience with Cloud technologies minimum 2 years.
• Kafka: 2 years of Strong knowledge and working experience with data integration technologies
• Databases: Experience with SQL/NoSQL databases (e.g., Postgres, MongoDB).

Other Key Technologies & Practices:

• Python, Spring Boot, and API-based system design.
• Containers/Orchestration (Kubernetes).
• CI/CD tools (Gitlab, Splunk, Datadog).
• Familiarity with Terraform and Airflow.
• Experience in Agile methodology (Jira, Confluence).

• 2.5+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Experience in AWS.
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 2+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Roles and Responsibilities:
 

Mandatory Skills: 

•  Teamcenter Customization related to ITK, RAC, Active Workspace 
• Strong in programming skills like C, C++, Java & OOPS concepts 
• BMIDE Codeful and codeless customization 
• Teamcenter SOA development 
• TC Configuration e.g., Preferences, ACL, Style sheets etc. 
• Good exposure to Teamcenter data model, Architecture, BMIDE etc., 

What we are looking for: 

• Strong in programming skills like C, C++, Java & OOPS concepts 
• Should have strong knowledge in ITK and should be able to write Handlers, Extension, Scripts and programs 
• Should have good knowledge in RAC, Active workspace customization 
• Should have good knowledge in Workflows, BMIDE, Preferences, Stylesheets, Access Rules, Query Builder, Project etc 
• Should have strong technical capabilities and functional knowledge in multiple PLM Modules. 
• Should have very good understanding of Teamcenter Data Model 

• MSSQL, SSIS, Performance Tuning, Data modeling.
• Experience in No SQL tools is must
• Candidate should have exposure to write scripts in Python/Node JS/MongoDB or any other tool
• Maria DB/MYSQL, Mongo DB, Github, Jira
• Understand Requirements from client and on-site team.
• Participate in preparing design and data modelling.
• Comfortable with SQL Stored procedures and queries development.
• Comfortable with SQL Stored procedures and queries development.
• Manage SQL Server through multiple product lifecycle / environments, from development to critical production systems.
• Apply best in industry standard techniques for data modeling to ensure performance, integrate and requirement.
• Ability to analyze independently problems and resolve them on time.