lives of API developers and consumers easier. If you love thinking big and delving deep and
enjoy envisioning truly elegant solutions, this role is definitely for you.
What you will be Doing
- You will abstract away complex data interactions with easy-to-use APIs that will power several
mobile and web applications.
- You will also own, scale, and maintain the computational and storage infrastructure for the
various micro-services and long-running jobs, designed and implemented by you and the team.
- We will look to you to make key decisions on the technology stack, architecture, networking,
and security. We love working with bleeding-edge technology, especially if it improves the
malleability, and simplicity of our deliverables.
What you need
- The ideal Backend Engineers are polyglots who are fluent in HTTP and core CS concepts such
as algorithms, data structures, and programming paradigms, and always pick the right tools for
the right job.
- They have a keen eye for common security vulnerabilities and how to act on them (example:
DDOS attacks, SQL Injection etc.).
- They understand what it takes to work in a startup environment and know when to trade
performance for simplicity.
- They fail fast, learn faster, and execute in time.
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail.
- Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Technical Skillsets:
NodeJS + Javascript, GoLang, Typescript + Nodejs, Clojure/Haskell/F#/Scala
(languages/environments)
Koa, Express, Play (frameworks)
Asynchronous Programming Frameworks (Akka, Nodejs, Tornado)
MongoDB, postgres, Bigtable, Dynamo (databases)
Apache Kafka, NATS, RabbitMQ, ZeroMQ (queues)
FunctionalProgramming, FRP (functional reactive)
microservices, multi-tenant, distributed-systems, distributed-computing, event-sourcing
Good to have Skillsets:
Clojure/Haskell/F#/Scala
Apache Kafka, NATS
FunctionalProgramming, FRP (functional reactive)
event-sourcing
Koa
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their
supply chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have
plans to grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors
across India and the Silicon Valley (Venture Highway, Startup Buddy etc.)
- Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!)
- Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
Similar jobs
*Job description:*
*Company:* Innovative Fintech Start-up
*Location:* On-site in Gurgaon, India
*Job Type:* Full-Time
*Pay:* ₹100,000.00 - ₹150,000.00 per month
*Experience Level:* Senior (7+ years required)
*About Us*
We are a dynamic Fintech company revolutionizing the financial services landscape through cutting-edge technology. We're building innovative solutions to empower users in trading, market analysis, and financial compliance. As we expand, we're seeking a visionary Senior Developer to pioneer and lead our brand-new tech team from the ground up. This is an exciting opportunity to shape the future of our technology stack and drive mission-critical initiatives in a fast-paced environment.
*Role Overview*
As the Senior Developer and founding Tech Team Lead, you will architect, develop, and scale our core systems while assembling and mentoring a high-performing team. You'll work on generative AI-driven applications, integrate with financial APIs, and ensure robust, secure platforms for trading and market data. This role demands hands-on coding expertise combined with strategic leadership to deliver under tight deadlines and high-stakes conditions.
*Key Responsibilities*
Design, develop, and deploy scalable backend systems using Python as the primary language.
Lead the creation of a new tech team: recruit, mentor, and guide junior developers to foster a collaborative, innovative culture.
Integrate generative AI technologies (e.g., Claude from Anthropic, OpenAI models) to enhance features like intelligent coding assistants, predictive analytics, and automated workflows.
Solve complex problems in real-time, optimizing for performance in mission-critical financial systems.
Collaborate with cross-functional teams to align tech strategies with business goals, including relocation planning to Dubai.
Ensure code quality, security, and compliance in all developments.
Thrive in a high-pressure environment, managing priorities independently while driving projects to completion.
*Required Qualifications:*
7+ years of software development experience; 5+ years in Python.
Proven hands-on experience with OpenAI and Anthropic (Claude) APIs in production systems.
Strong problem-solving skills and ability to operate independently in ambiguous situations.
Experience leading projects, mentoring developers, or building teams.
Bachelor’s/Master’s degree in Computer Science, Engineering, or equivalent experience.
Experience with financial markets, trading systems, or market data platforms.
Familiarity with Meta Trader integrations.
Cloud experience, especially Google Cloud Platform (GCP).
Knowledge of fintech compliance and trade reporting standards.
*What We Offer:*
Competitive salary and benefits package.
Opportunity to build and lead a team in a high-growth Fintech space.
A collaborative, innovative work culture with room for professional growth.
*Job Types:* Full-time, Permanent
*Work Location:* In person
- Job Description:
You will be working with a team of highly-motivated, young & dynamic teams of engineers & reporting to the Engineering Lead.
Position Responsibilities
- Be honest, reliable & consistent
- Write efficient & clean code
- Have a strong sense of ownership
- Be a part of development & maintenance of Pluang web app, Operations dashboard and other 3rd party products we own
- Contribute to improving the quality of engineering process & engineering culture
Position Requirements
- Strong in data structure and algorithms
- Experience in Node.js, Express, API Design & DOM
- Understanding of component based design or other design patterns
- Experience with unit testing, integration testing & continuous integration
- RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
- Good to have passion for investing
Pluang Offers
- Attractive compensation package - competitive salary, flexible bonus scheme.
- We are always looking for ways to promote and inspire innovation.
- Individual career path - management and technical career growth, enhanced by learning and development program, regular performance assessment, teams of multi-national IT professionals.
- Healthy work environment - company-sponsored medical program, food, and beverage program, open communication.
- Friendly policies to support Work-life balance, team building, and celebrations.
· Should have 5 to 6 years of work experience as a Python Developer
· Expertise in at least one popular Python framework (like Django, Flask or Pyramid)
· Knowledge of object-relational mapping (ORM)
· Familiarity with front-end technologies (like JavaScript and HTML5)
· Should have completed B.E/B.Tech. /MCA in any field.
· Good problem-solving skills and Team spirit.
· Writing scalable code using Python programming language.
· Testing and debugging applications.
· Developing back-end components.
· Integrating user-facing elements using server-side logic.
· Assessing and prioritizing client feature requests.
· Integrating data storage solutions.
What we expect of you:
- 4+ years of experience building scalable backends using Nodejs
- In-depth knowledge of any framework of Nodejs (i.e. Express, Hapi, Koa.js)
- Hands on experience with developing REST APIs using Node.js and any of the above framework
- Good understanding of standard authentication systems such as OAuth2 and JWT
- Should have experience with Socket.IO
- Should have understanding of Model, Caching, Async mechanisms
- Knowledge of server-side templating (e.g. Jade, Handlebars.js, etc.)
- Hands-on experience with implementing Role based User authentication and authorization system
- Understanding of Caching, Database Interactions, Middlewares
- Able to engineer the best performing solutions and always keeping scalability in mind
Must haves:
- Strong problem solving skills
- Passion for building robust systems that are engineered to handle failure scenarios, an attitude to maintain coding standards
- Strong advocate for producing quality software who makes sure issues are raised and resolved
What makes you a great fit for Aubergine:
- Knowledge of data structures and algorithms
- Hungry for more responsibility and knowledge
- Experience with at least one of the cloud platforms like AWS, GCP, Azure, Digital Ocean etc. (docker, Kubernetes, microservice good to have)
Skills: NodeJs
Experience required: 4+ years
Job Type: Full time/ Permanent
Perks and Benefits:
- Flexible shift timings
- Company-sponsored certifications.
- Team friendly culture
- Flat hierarchy
- Carrom, Table tennis games, Cricket Tournament Participation for interested employees
- Snack-filled pantry for team members
- Group Medical Insurance (*)
- 5 days working.
Employment Type
Full-time
-Previous experience working as a Shopify developer.
-Strong knowledge of liquid programming language
-Generate custom – tailored Shopify theme and altering pre – existing template.
-Act as Shopify expert, specializing in all facets of the ecommerce platform.
-Strong hands to Install & Customize new Shopify theme.
-Clear concept of HTML5, CSS3, javascript/Jquery.
-Knowledge in other ecommerce platforms like Magento, woocommerce, BigCommerce will be preferred.
-Strong hands to Install & Customize new Shopify theme.
-A proficiency in working with different Shopify JS APIs (storefront, AJAX Cart, Sections etc.
-Excellent troubleshooting skills.
-Good project management skills
Backend Engineer (GO Developer)
Remote Working | Engineering Team | Full-time
Candidates from Product development background only will be taken ahead.
The Impact you will create in the Job:
Build campaign generation services which can send app notifications at a speed of 10 million a minute.
Dashboards to show Real time key performance indicators to clients.
Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds.
Leverage the power of Kubernetes to maintain clusters running inside VPC's across the world.
Building highly available & horizontally scalable platform services for ever growing data.
Use cloud-based services like AWS Lambda for blazing fast throughput & auto scalability.
You will build backend services and APIs to create scalable engineering systems.
As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
Identify and improvise areas of improvement through data insights and research.
What we look for?
3-6 years experience in developing high scale internet applications/API based services.
Worked with GoLang as a primary language
Experience with High scale real time architectures
Experience with queueing systems like RabbitMQ, Kafka etc
Experience with Elasticsearch would be a plus
Having hands on experience with Kubernetes would be a plus.
Understanding of SMTP protocol would be a plus
Experience with MTA will be an added advantage.
Very strong analytic and problem-solving skills.
Enjoys working at solving challenges that come with developing real time high scale applications.
You will be expected to design, develop and maintain large-scale complex backend web
applications.
You will be expected to rapidly learn and apply relevant new technologies.
You will be having a high level of interaction with business and product stakeholders.
You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management: Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.











