
About Litmus World Marketing Technologies Pvt Ltd
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What We’re Looking For
Required Skills & Experience
Backend Development (5+ Years of Experience)
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Proficiency in backend programming: Python, Go, Rust, or Java.
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Experience with distributed systems, microservices, and event-driven architectures.
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Strong grasp of software engineering principles, design patterns, and scalable system design.
API Development & Web Services
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Expertise in RESTful API and GraphQL design and development.
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Experience with API security protocols, including OAuth 2.0, JWT, and HMAC authentication.
Blockchain & Web3 Technologies
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Familiarity with blockchain protocols: Ethereum, Hyperledger, Polkadot, Corda.
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Understanding of smart contracts, decentralized applications (dApps), and tokenization frameworks.
Database & Data Transformation
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Strong experience in SQL (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis, Cassandra).
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Knowledge of financial data transformation standards (ISO 20022, FIX, Open Banking).
Security & Compliance
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Experience implementing security best practices, including encryption, authentication, and RBAC/IAM-based access control.
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Understanding of regulatory frameworks: AML/KYC, GDPR, SOX, FISMA, HIPAA.
Cloud & DevOps (2+ Years of Experience)
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Hands-on experience with AWS, GCP, or Azure for scalable infrastructure deployment.
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Familiarity with containerization (Docker, Kubernetes) and CI/CD automation (GitHub Actions, Jenkins, Terraform).
Bonus Points For:
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Experience integrating financial APIs (SWIFT, FIX, Open Banking).
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Hands-on smart contract development (Solidity, Rust, Go).
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Contributions to open-source blockchain or fintech projects.
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Experience with real-time event streaming using Kafka, RabbitMQ, or Pub/Sub architectures.
Node.js Developer Requirements:
1. Bachelor's degree in computer science, information science, or similar.
2. At least two years' experience as a Node.js developer.
3. Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
4. Knowledge of front-end technologies such as HTML5 and CSS3.
5. Superb interpersonal, communication, and collaboration skills.
6. Exceptional analytical and problem-solving aptitude.
7. Great organizational and time management skills.
8. Availability to resolve urgent web application issues outside of business hours.
- Ability to work in an existing codebase and collaborate with a diverse team
- Experience in building enterprise-scale backend REST APIs with frameworks such as Nest.js & Express.js using an API-first paradigm
- Intimate knowledge of crafting highly performant database queries
- Hands-on experience implementing relational database structures, including tables, indexes, views, etc.
- A mindset towards building systems for the cloud and DevOps fundamentals
- Working knowledge of cloud infrastructure services is good to have. If not then willingness to learn should be there.
- Focus towards building security, performance, and scalability into services from the beginning
- Experience with debugging code and troubleshooting technical issues in order to craft appropriate solutions
- Strong proficiency with JavaScript
- Experience in creating and deploying cloud-based web applications.
- Good at Jade, EJS,
- Good at CSS preprocessors (such as Stylus, Less, etc depending on your technology stack)
- Front-end technologies, such as HTML5, and CSS3
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Experience with Node.js using web server-based frameworks such as Express.
- PLUS - experience with React.JS, React Native, vue.js javascript framework * Experience with Amazon Web Services
- PLUS - experience with Jenkins or other Continuous Integration tools
About SteelEye
SteelEye is a fast growing FinTech company based in London and has offices in Bangalore and Paris, that offers a data platform to help financial institutions such as Investment Banks, Hedge Funds, Brokerage Firms, Asset Management Firms to comply with financial regulations in the European Union. Our clients can aggregate, search, surveillance and report on trade, communications and market data. SteelEye also enables customers to gain powerful insights from their data, helping them to trade with greater efficiency and profitability. The company has a highly experienced management team and a strong board, who have decades of technology and management experience and worked in senior positions at many leading international financial businesses. We are looking to hire a seasoned SRE to join us as we start on our next phase of growth. We have a culture of openness, collaboration, and the passion to get things done whilst appreciating the importance of a good work life balance.
Being part of a start-up can be equally exciting as it is challenging. You will be part of the SteelEye team not just because of your talent but also because of your entrepreneurial flare which we thrive on at SteelEye. This means we want you to be curious, contribute, ask questions and share ideas. We encourage you to get involved in helping shape our business.
What you’ll do
- Deliver plugins for our Python-based ETL pipelines.
- Deliver Python microservices for provisioning and managing cloud infrastructure.
- Implement algorithms to analyse large data sets.
- Draft design documents that translate requirements into code.
- Deal with challenges associated with handling large volumes of data.
- Assume responsibilities from technical design through technical client support.
- Manage expectations with internal stakeholders and context-switch in a fast paced environment.
- Thrive in an environment that uses AWS and Elasticsearch extensively.
- Keep abreast of technology and contribute to the engineering strategy.
- Champion best development practices and provide mentorship.
What we’re looking for
- Experience in o Python 3.
- o Python libraries used for data (such as pandas, numpy).
- o AWS.
- o Elasticsearch.
- o Performance tuning.
- o Object Oriented Design and Modelling.
- o Delivering complex software, ideally in a FinTech setting.
- o CI/CD tools.
- Knowledge of design patterns.
- Sharp analytical and problem-solving skills.
- Strong sense of ownership.
- Demonstrable desire to learn and grow.
- Excellent written and oral communication skills.
- Mature collaboration and mentoring abilities.
About SteelEye Culture
- Work from home until you are vaccinated against COVID-19
- Top of the line health insurance • Order discounted meals every day from a dedicated portal
- Fair and simple salary structure
- 30+ holidays in a year
- Fresh fruits every day
- Centrally located. 5 mins to the nearest metro station (MG Road)
- Measured on output and not input
Develop Full-stack web applications to analyze and process data for different clients
● Work closely with app development team including project and product manager, developers, and QA to determine problems, testing methods, and best practices
● Enhanced user experience and accomplished webpage objectives by creating site structure, navigation, page optimization, and graphics integration.
● Developed web applications across various platforms using latest industry-adopted technologies and frameworks
● Ensure applications security and ability to interact with multiple APIs and databases
- Architect, design and build complex, highly scalable, high performance enterprise applications
- Lead, mentor and work with a team of engineers to deliver on clients application expectations
- Work with clients engineering needs and deliver on requirements in a team environment
- Accelerate development velocity for all engineers and deliver continuous improvements to the teams process and codebase
- Build automation to prevent and/or remediate service problems from becoming production incidents
Introduction
At Samaaro you will be building the future of events. Our mission is to help brands reach out to their global audience in the most efficient and cost-effective way. We want to break the geographical barriers of communication and networking. As a Samaaro Web front-end developer, you'll use the latest tools and technologies available to deliver state-of-the-art software and web applications. You'll have an opportunity to drive the choice of technologies used as we transform our applications and experiment with the best new tools for the job based on upcoming industry trends. You will be able to learn new technical skills and absorb professional knowledge quickly. You'll be responsible for the complete lifecycle of software development, including designing, prototyping, implementation, testing, maintenance, and technical support, creating a productive environment for Samaarotans and our Business Partners.
Responsibilities
At Samaaro we embrace diversity and value what individuals add to our culture. We believe highly empowered teams create the best products -so we take a group of designers, developers, and business analysts, and give them free rein on how to address problems, in a "We give you a problem, you decide how to solve it" environment.
Above all, we value curiosity, teamwork, and a desire to learn. We are confident that if you
possess the right attitude, work ethic, and skillset that you could succeed in the role, even if you do not have all of the required skills.
Required Technical and Professional Expertise
• Front End Skills (min. 2 years experience) - React/Angular (React is preferable), HTML,
CSS, JavaScript.
• Back End Skills (min. 2 years experience) - Node.js
• Solid knowledge of modeling, design patterns, refactoring, unit test.
• Strong software engineering, project management knowledge & experience.
• Bachelor or master’s degree in computer science or equivalent experience.
• Excellent written/spoken communication skills in English.
• Strong communication skills.
Preferred Technical and Professional Expertise
• Experience with design thinking methods to understand personas and develop great user
design
• Demonstrated ability to operate within short release cycles
• Experience using modern collaboration tools in a highly responsive environment
• Great planning and organizational skills, good time management, with the ability to
manage and prioritize own workload and to deal with urgent deadlines and changes to
requirements
• Close teamwork and collaboration across both global and local team environments
• The ability to communicate across organizational boundaries and manage stakeholders
• A passion for creative solutions to real user needs and business problems
• Driven to achieve high levels of customer satisfaction, addressing the underlying problem
and questioning any assumptions Logical approach to problem-solving
• Meticulous attention to detail
• Highly motivated and productive, an entrepreneurial self-starter
• Demonstrable experience coaching junior members of your teams about Business Uni
We are looking for a lean MERN Stack developer who is specialized in developing JavaScript-based technologies i.e. MongoDB, ExpressJS, ReactJS, NodeJS. If you have that energy and passion to create impacts, we have the perfect job for you! Job has flexible or temporary work from home options.
Job Responsibilities-
- Requirement gathering, UML & Database modelling and documentation
- Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
- Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements-
- BSc degree in Computer Science or similar relevant field
- Previous working experience as a MERN Stack Developer for 3+ years
- Experience with modern frameworks and design patterns
- In depth knowledge of NodeJS, ExpressJS or Restify
- Experience of implementing applications using Angular or React
- Experience for creating front end applications using HTML5, CSS3 Angular, LESS/SASS
- Hands on experience with JavaScript Development on both client and server-side
- Knowledge of Functional Testing regarding Unit Testing, Integration Testing & End-to-End Testing is required
- Strong knowledge of Testing tools is required with subject to Jest and Enzyme, React Testing Library, Puppeteer (or PhantomJS, Nightmare or Headless Chrome) and Selenium WebDriver
- Rest API development, documentation and testing using tools like Postman
Knowledge of the following will be considered as an advantage-
- Requirements gathering, modeling, documentation and project management using Visual-paradigm.com
- Javascript based workflow engines and Flow-Based Programming
- Consumer Web Development Experience for High-Traffic, Public Facing web applications,
- Experience with cloud technologies
- Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery,
- Continuous integration (Jenkins/Hudson) and version control (SVN, Git).
- Converting UI and website designs (.psd, .xd, etc) into react components using Storybook.js and creating test cases with scripts; including documentation and automated visual testing
- React with WordPress Headless CMS using frameworks like Frontity.org
- org for authorization and access control models
- io microfrontend’s architecture framework for highly modular fully flexible applications
- Speech Recognition , voice interface , and other AI functionility
- React native mobile, Electron desktop application conversion
- Heroku Pipelines, Heroku: Browser and UAT, Heroku CI, DevOps tools and processes.

