About Quantela
We are a technology company that offers outcomes business models. We empower our customers with the right digital infrastructure to deliver greater economic, social, and environmental outcomes for their constituents.
When the company was founded in 2015, we specialized in smart cities technology alone. Today, working with cities and towns; utilities, and public venues, our team of 280+ experts offer a vast array of outcomes business models through technologies like digital advertising, smart lighting, smart traffic, and digitized citizen services.
We pride ourselves on our agility, innovation, and passion to use technology for a higher purpose. Unlike other technology companies, we tailor our offerings (what we can digitize) and the business model (how we partner with our customer to deliver that digitization) to drive measurable impact where our customers need it most. Over the last several months alone, we have served customers to deliver outcomes like increased medical response times to save lives; reduced traffic congestion to keep cities moving and created new revenue streams to tackle societal issues like homelessness.
We are headquartered in Billerica, Massachusetts in the United States with offices across Europe, and Asia.
The company has been recognized with the World Economic Forum’s ‘Technology Pioneers’ award in 2019 and CRN’s IoT Innovation Award in 2020.
For latest news and updates please visit us at www.quantela.com
Overview of the Role
Collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high quality web applications and services by writing clean and modular code
Must have Skills
- 10+ years of experience in leading teams and delivering product, write unit and integration tests to ensure robustness and reliability of web applications and services.
- Measure and improve performance of microservices.
- Catalyze growth within the team through code reviews and pair programming to maintain high development standards Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
- Expert level of experience in design and development of Web Applications, highly scalable distributed systems.
- Should have experience in development skills using latest technologies including NodeJS, Microservices, Elastic search, Timescale DB, Kafka, Redis, etc.
- Should have exposure in NoSQL and SQL development.
- Comprehensive knowledge of physical and logical data modelling, performance tuning.
- Should possess excellent communication, presentation, and interpersonal skills.
- Ability to work collaboratively and productively with globally dispersed teams
- Build high performance teams and Coach team for successful career growth
- Experience working with relational and non-relational databases, query optimization, and designing schema
Desired Background
Bachelors/Masters degree in Computer Science or Computer Applications

Similar jobs
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.
We are seeking a highly skilled and motivated Python Developer with hands-on experience in AWS cloud services (Lambda, API Gateway, EC2), microservices architecture, PostgreSQL, and Docker. The ideal candidate will be responsible for designing, developing, deploying, and maintaining scalable backend services and APIs, with a strong emphasis on cloud-native solutions and containerized environments.
Key Responsibilities:
- Develop and maintain scalable backend services using Python (Flask, FastAPI, or Django).
- Design and deploy serverless applications using AWS Lambda and API Gateway.
- Build and manage RESTful APIs and microservices.
- Implement CI/CD pipelines for efficient and secure deployments.
- Work with Docker to containerize applications and manage container lifecycles.
- Develop and manage infrastructure on AWS (including EC2, IAM, S3, and other related services).
- Design efficient database schemas and write optimized SQL queries for PostgreSQL.
- Collaborate with DevOps, front-end developers, and product managers for end-to-end delivery.
- Write unit, integration, and performance tests to ensure code reliability and robustness.
- Monitor, troubleshoot, and optimize application performance in production environments.
Required Skills:
- Strong proficiency in Python and Python-based web frameworks.
- Experience with AWS services: Lambda, API Gateway, EC2, S3, CloudWatch.
- Sound knowledge of microservices architecture and asynchronous programming.
- Proficiency with PostgreSQL, including schema design and query optimization.
- Hands-on experience with Docker and containerized deployments.
- Understanding of CI/CD practices and tools like GitHub Actions, Jenkins, or CodePipeline.
- Familiarity with API documentation tools (Swagger/OpenAPI).
- Version control with Git.
- At least 4 years of experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Mandatory experience in MongoDB and MySql.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
4+ years of strong experience in Java ,J2Ee, microservices, hibernte,
Hands on in OoPS , collection concept, multithreading.
Agile framewrk, good communication and coding skills
StoryXpress (a Techstars-backed company) is an end-to-end video platform and is an efficient and effective way of humanizing the way you promote and sell your product or services, and communicate with your customers. With a suite of professional video tools (Video Creator, Video Recorder, Video Hosting and Analytics, Video APIs, and SDKs), we help small and medium-sized businesses drive more revenue through the strategic use of video. Founded in 2014, StoryXpress has a rich community of 500K+ users including small enterprises to Fortune 500 companies.
Why Work with Us:
-
Get an opportunity to contribute to an exciting, forward-thinking and fast-moving Start-Up.
-
Shape-Up your career by working with young and supportive teams and peers!
-
Innovation and Creativity is all what matters!
-
Friendly Policies, good competitive salaries, team outings and what not!
Job Description:
We're looking for an enthusiast Back End Developer who will be an integral part of the early StoryXpress team and can produce scalable solutions. The creativity and intelligence are much more essential to us than the experience with our stack.Thus, you’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment, in order to strive for excellence!
If you’re also familiar with Agile methodologies, we’d like to meet you :)
Job Responsibilities:
Building and scaling web products that directly impact our customers or partners.
Translate several RESTful data sources to be used in a front-end application.
Dig into bugs and feature requests.
Monitor reliability and performance through dashboards and tools to ensure availability.
Help other engineers on the team and across StoryXpress.
Work with our team to engineer new growth initiatives.
Job Requirements:
- Skills: Node.js, Express.js, REST APIs, Express.js, MySQL, Git, Go
- Proficiency JavaScript developer.
- Should have a good understanding of micro-server architecture and REST API.
- Thorough understanding of MVC principles and JS design patterns. *Node.js, Express.js, MySQL should be thoroughly worked upon
- GIT, GitOps and standard versioning management tools should be known.
- Knowledge of User authentication and authorization between multiple systems, servers, and environments.
Brownie Points For:
- Knowledge of Go will be a big plus
- Experience with Redis and TypeScript would fetch you a brownie point
Required Candidate profile
Primary Skills:
Strong working knowledge of Typescript, MongoDB, Express.
Strong proficiency in TypeScript, Javascript including DOM manipulation and the JavaScript object model, ES6.
Strong understanding of NodeJS fundamentals.
Knowledge and experience working with PostgreSQL is a major plus.
Experience with ORM libraries.
Familiarity with RESTful APIs.
Experience in troubleshooting and RCA of Production issues Analyze logs in Kibana Elastic Search.
Knowledge of tools like Git, Github, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share.
Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment.
Secondary Skills:
Good communication and design skills Experience in handling teams.
Solid back-end software development experience.
Ability to understand business requirements and translate them into technical requirements.
Experience working in an Agile environment.
Qualification:
Good experience as Software Developer.
Prior experience in a technical leadership or developer position.
Back End Developers/ API Web Services Experience Mandatory.
NodeJS is mandatory.
One RDBMS and one document database mandatory.
|
Job description are as follows:-
· Node.js Developer Requirements:
|
Sr. Software Developer
Job Description:
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Responsible for regular enhancement of Algorithm
- Develop and support software architecture
- Responsible for DevOps planning
- Support test and deployment of new products and features
- Participate in code reviews
Skills Required:
- Excellent programming skills and knowledge of complete development process.
- Should have knowledge in PHP, CI, Node.JS, MySQL, MongoDB and Modern JavaScript.
- Knowledge of TDD tools
Qualification:
BE/B.Tech/MCA/Mtech/M.E/PHD









