
Ruby on Rails Developer
at Service company, helps businesses harness the power of data
Job Title: Ruby on Rails - Developer / Technical Lead
Job Description
About the Company:
We are a Data as a Service company that helps businesses harness the power of data. Our technology fuels some of the most interesting big data projects in the world. We are a small bunch of people working towards shaping the imminent data-driven future by solving some of its fundamental and toughest challenges.
The experience is about striving to become the best version of ourselves holistically, an experience that lasts a lifetime. We tend to have clear growth paths for every role and level in the org so the learning never stops. We believe in a work-life blend, and hence encourage responsible flexibility, which is particularly important in a fully remote setup we have. We trust our people with the impact they can create, and let them choose how they want to do so. We are on a mission to put reliable data at the heart of every business to fuel success and intend to transform the lives we touch (of our customers and our people) while on this journey.
Roles and Responsibilities:
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Leading development projects end to end in all stages of the iterative product development lifecycle, from requirements gathering to testing.
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Break down problem statements and come up with a scalable design, implementation plan, test plan and execute them with the team on promised timelines.
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Being a strong advocate for object-oriented design and guide/coach other team members with best practices on Development and QA
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Collaborate with different teams and own up technical initiatives, bringing in new tools and technologies that help us in strengthening scalability, security, and maintainability of our codebase.
Preferred Skills and Experience:
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Hands-on experience with modern Ruby on Rails practices and development.
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Write highly scalable and maintainable code while keeping agility in mind.
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Demonstrable knowledge of front-end technologies such as JavaScript, HTML, CSS and JQuery
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Experience with SQL Databases and NoSQL datastores; with previous experience with MySQL and ElasticSearch being a bonus
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Substantial experience with BDD or TDD and testing frameworks
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Experience in Linux environment and basic Linux commands.
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Awareness/experience in setting up and configuring rails applications and other related services is a big plus – eg: Nginx, puma, Redis.
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Awareness/experience in any one of the modern front-end frameworks Angular, Ember, React, Vue.
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A high-performance mindset to deliver good quality code and also an understanding of the product with a keen attention to detail.
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Great communication, particularly in explaining your coding processes, suggestions for best practices, and identifying ways to improve the team's coding quality.
Years of Experience:
1 - 6 Years
Skills: ROR, RUBY ON RAILS
Perks
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An environment where each employee is celebrated.
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A one-time home office setup allowance, monthly allowances for internet bills, child care allowance for new mothers/single parents.
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Half-yearly performance appraisals
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Flexible working hours
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Competitive salary

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About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What We Expect:
• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and
a deep interest in scalable, low-latency systems.
• You should have 3–4 years of experience in Python-based development and be eager to solve complex
performance and scalability challenges in trading and fintech applications.
• You measure success by your own growth, not external validation.
• You thrive on challenges, not on perks or financial rewards.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading
environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What You Will Do:
• Develop and maintain scalable backend systems using Python.
• Design and implement REST APIs and socket-based communication.
• Optimize code for speed, performance, and reliability.
• Collaborate with frontend teams to integrate server-side logic.
• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.
• Build fault-tolerant, multi-producer/consumer systems.
Must-Have Skills:
• 3–4 years of experience in Python and backend development.
• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).
• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.
• Bachelor’s degree in Computer Science or related field.
Nice-to-Have Skills:
• Past experience in fintech, trading systems, or algorithmic trading.
• Experience with GoLang, C/C++, Erlang, or Elixir.
• Exposure to trading, fintech, or low-latency systems.
• Familiarity with microservices and CI/CD pipelines.
About the Role
We are undertaking a platform migration from our existing WordPress site to a modern React frontend. We are seeking a highly capable Backend Engineer on a 1-month contract to lead the backend aspects of this transition. The ideal candidate has strong experience with serverless backends and API-first architectures, particularly using Cloudflare Workers and the Cloudflare ecosystem. You will collaborate closely with our in-house Frontend Engineer (specialized in React) to deliver a seamless, performant, and secure end product.
Key Responsibilities
Audit current WordPress backend (data structures, plugins, custom code). Design and implement a backend solution leveraging Cloudflare Workers, Cloudflare KV / Durable Objects, and related services (or propose suitable alternatives such as Node.js/Express or headless CMS if appropriate). Develop secure APIs for authentication, content, and form handling. Migrate existing WordPress data (pages, posts, forms, and media) into the new system. Integrate with our CRM (_Zoho_) and other existing systems. Ensure compliance with NZ data protection standards. Deploy backend on Cloudflare (and/or coordinate with existing hosting infrastructure as needed). Provide documentation and handover to the internal team.
Qualifications & Skills
Proven experience in backend engineering with serverless platforms (Cloudflare Workers, AWS Lambda, or similar). Strong knowledge of RESTful APIs, authentication, and security best practices. Familiarity with Cloudflare KV, Durable Objects, R2, or equivalent distributed data solutions. Experience with WordPress architecture and React-based frontend integration. Experience in migration projects (legacy CMS → modern stack) highly valued. Strong collaboration and communication skills, with the ability to work effectively alongside frontend specialists.
Deliverables
Backend environment and Cloudflare Worker (or alternative) architecture established. Secure APIs deployed and tested with React frontend. Migration of content/data from WordPress. Integration with Zoho CRM and forms. Production deployment. Documentation + handover.
Duration: 1 month.
Engagement: Remote, with short daily and hourly weekly check-ins.
Compensation: 75,000 INR
Experience with Cloudflare Workers, the Cloudflare CDN, prior Wordpress migration experience, and any experience of working alongside frontend engineers prioritized. A huge bonus would be experience with Zoho CRM/Zoho Forms.
RequiredSkills:
• Minimum of 4-6 years of experience in data modeling (including conceptual, logical and physical data models. • 2-3 years of experience inExtraction, Transformation and Loading ETLwork using data migration tools like Talend, Informatica, Datastage, etc. • 4-6 years of experience as a database developerinOracle, MS SQLor another enterprise database with a focus on building data integration process • Candidate should haveanyNoSqltechnology exposure preferably MongoDB. • Experience in processing large data volumes indicated by experience with BigDataplatforms (Teradata, Netezza, Vertica or Cloudera, Hortonworks, SAP HANA, Cassandra, etc.). • Understanding of data warehousing concepts and decision support systems.
• Ability to deal with sensitive and confidential material and adhere to worldwide data security and • Experience writing documentation for design and feature requirements. • Experience developing data-intensive applications on cloud-based architectures and infrastructures such as AWS, Azure etc. • Excellent communication and collaboration skills.
Simpl (Fintech of the year - 2020) is a platform that empowers retailers to grow by building long term trusted relationships with their customers, one transaction at a time. For consumers, Simpl provides frictionless access to e-commerce, trust, safety and effortless budgeting, in 1-click.
Under the hood, we are building the payments infrastructure (identity, trust score and security) ground up for a world that is mobile first, where consumers frequently buy on the go & love convenience.
Everyone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards a new world of Networked Commerce where commerce is easy, safe, affordable without fine prints & just Simpl!
Simpl was founded in 2015 by Nityanand Sharma and Chaitra Chidanand, and went live in 2016.
Role Summary:
We’re looking for polyglot developers who love to code. You should have >4 years of experience building high-quality products. You should have the ability to write clean code and must’ve worked on Ruby on Rails
Speed, passion, attention to details, get it done attitude, long term association and 1st principal thinking and lastly team player with ZERO insecurities. Learning opportunities will surely be huge.
Responsibilities:
1. Build new services to meet critical product and business needs.
2. Design scalable systems to solve problems with modern cloud technology and industry best practices.
3. Articulate a long-term vision for maintaining and scaling our backend systems and the teams running them.
4. Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
5. Write high quality, well tested code to meet the needs of your customers.
Requirements & Qualifications
1. 3-7 years of recent hands-on coding and software design.
2. Bachelor degree or more in Computer Science or a related field.
3. A track record of projects completed on time – you are a flawless executor, not a procrastinator.
4. You find satisfaction in a job well done and want to solve head-scratching challenges.
5. Experience with all phases of the software development life cycle, best practices and Agile Software Development.
6. Solid OOP and software design knowledge – you should know how to create software that’s extensible, reusable and meets desired architectural objectives.
7. Establish Back-End Software Engineer best practices.
8. Working experience with NodeJS, PostgreSQL, In memory Database like Redis, Messaging Queues like RabbitMQ/Kafka
| PHP Developer |
| ExP:3 to 5yrs |
| Skills: PHP, HTML5/CSS3, React JS,JavaScript, jQuery, REST, JSON, MySQL/MongoDb. |
| JD: |
| 1. Candidate should have experience on Core PHP, Web services,Yii Framework, Codeigniter , Web servers, Linux working environment & MVC. |
| 2. Excellent skills in MySQL, Optimization techniques, schema design, Stored procedures, Triggers |
| 3. Good command over design patterns. |
| 4. Good command over OOPS |
| 5. Strong debugging & troubleshooting skills |
| 6. Writing algorithms on application security. |
| 7. Writing shell scripts & integration of third party web services |
| 8. Knowledge on any one of server monitoring tools much appreciated. |
| 9. Should have any one version control (Preferbly, Git,Bitbucket) |
| 10. Should be proactive. |
- Design and develop cloud native enterprise applications
- Define and establish conventions, standards and best practices for the SDLC process and ensure that quality control is of paramount importance at each step of the development life cycle
- Develop reusable frameworks and libraries that can drastically accelerate new application development in the future
- Participate in the requirement analysis and gathering process and also perform sit-withs with business teams to ensure there is full clarity of the problem statement
- Actively engage wih infrastructure team and take ownership of DevOps processes to ensure that build and deployment processes are efficient and optimal.
- Actively engage with project stakeholders to ensure all are in sync with the progress, risks and issues
- Quickly learn and adopt cutting edge technologies to help keep the org ahead of the curve











