Google & Meta Ad Specialist

About

Numispark is a France-based web and mobile development agency. We design, build and maintain custom digital products for clients across France and Europe — mobile applications, booking and marketplace platforms, e-commerce systems and business management tools.

We work with a modern JavaScript stack across mobile and web, and we manage our own production infrastructure. Our engineering culture is remote-first, asynchronous, and built around clear written communication and end-to-end ownership of what we ship.

The Role

We are looking for a Full Stack Developer to build and deliver production applications across mobile and web. You will work across the complete development lifecycle — designing APIs, building cross-platform mobile applications, developing web interfaces, and deploying and maintaining systems in production.

This is a hands-on engineering position with real ownership of features and release cycles. You will see your work reach live users on a short cycle, and you will have meaningful input into technical and architectural decisions.

Key Responsibilities

• Develop and maintain cross-platform mobile applications using React Native for Android and iOS
• Design and build RESTful APIs with Node.js and Express
• Model, query and optimise MongoDB databases for production workloads
• Build responsive web interfaces using React and Next.js
• Deploy and maintain applications on Linux servers using Docker, including CI/CD pipelines, reverse proxy configuration, SSL and database backup procedures
• Manage Play Store and App Store submissions, versioning and release cycles
• Maintain, extend and improve existing production applications
• Participate in code reviews and follow Git-based development workflows
• Communicate progress and technical decisions clearly in written English

Required Qualifications

Experience

• 3–6 years of professional software development experience
• Minimum 2 years of hands-on experience with React Native
• At least one React Native application published on the Play Store or App Store, with a clear description of your contribution

Frontend and Mobile

• React Native — navigation, native module integration, performance optimisation, platform-specific implementation
• React.js — hooks, component architecture, state management (Redux, Zustand or Context API)
• Next.js — SSR, SSG and App Router
• Strong JavaScript ES6+ fundamentals, including asynchronous programming patterns
• TypeScript in production environments
• Firebase — push notifications, analytics and crash reporting

Backend

• Node.js and Express — REST API design, middleware, error handling
• MongoDB — schema design, indexing, aggregation pipelines, Mongoose
• Authentication and authorisation — JWT, OAuth, role-based access control
• Real-time features — WebSockets and Socket.io
• Payment gateway integration — Stripe and Razorpay

Infrastructure and DevOps

• Proficiency on the Linux command line
• Docker — writing Dockerfiles, docker-compose, container troubleshooting
• Demonstrated experience deploying and maintaining applications on self-managed servers
• Self-hosted deployment platforms — Coolify, Dokku, CapRover or equivalent
• CI/CD pipelines with GitHub Actions
• Nginx reverse proxy configuration and SSL certificate management
• Git — branching strategies, pull requests, conflict resolution

Other

• Professional written and spoken English
• Availability for a daily overlap window of 2:00 PM – 7:00 PM IST to align with European business hours

Preferred Skills

The following are not required, but strengthen an application:

Mobile

• React Native New Architecture — Fabric and TurboModules
• Native module development in Swift or Kotlin
• Automated release pipelines with Fastlane or EAS
• Offline-first architecture and local persistence (MMKV, WatermelonDB, SQLite)
• End-to-end mobile testing with Detox or Maestro

Web and Frontend

• Tailwind CSS and modern component libraries (shadcn/ui, Radix)
• Animation and interaction work — Framer Motion, GSAP, Reanimated
• Web performance optimisation — Core Web Vitals, Lighthouse
• Technical SEO fundamentals for Next.js applications
• Accessibility standards (WCAG)

Backend and Data

• Redis for caching and session management
• Job queues and background workers — BullMQ, RabbitMQ
• GraphQL and Apollo
• PostgreSQL and Prisma
• MongoDB replica sets, Atlas administration, aggregation performance tuning
• Automated testing — Jest, Vitest, Supertest

Infrastructure

• Object storage integration (S3-compatible)
• Monitoring and observability — Sentry, Grafana, Uptime Kuma
• Infrastructure automation and shell scripting
• Container orchestration basics — Docker Swarm or Kubernetes
• Database backup, restore and migration procedures at scale

Other Platforms and Tooling

• Flutter
• Shopify theme and app development
• Odoo customisation
• Mapping and geospatial development — Leaflet, Mapbox, MongoDB geospatial queries
• Transactional email and deliverability (Brevo, SendGrid, Postmark)
• AI and LLM API integration in production products
• Working from Figma designs
• Agile delivery with Jira, Linear or similar
• Clear technical documentation writing
• Working knowledge of French

What We Offer

• Competitive compensation of ₹6,00,000 – ₹8,00,000 CTC per annum, based on demonstrated experience
• Fully remote position, open to candidates across India
• Flexible working hours outside the daily overlap window
• International project exposure, working on products for European clients
• End-to-end ownership of features, from design through to production release
• Modern technology stack across mobile, web and infrastructure
• Scope to influence architecture and technical direction
• Continuous professional growth across the full engineering stack

Selection Process

1. Application review
2. Introductory call — 30 minutes
3. Technical assignment — 4 to 6 hours, compensated
4. Live technical discussion — 90 minutes, practical and collaborative
5. Offer

Typical timeline from application to offer: two weeks.

Position Overview 

We are seeking a highly skilled Senior Java Developer to join our software development team. The ideal candidate will have strong hands-on experience in building scalable microservices using Java Spring Boot, deploying applications in Kubernetes, and integrating complex systems. The role involves close collaboration with customers to understand requirements, mentoring junior developers, and contributing to the overall architectural design of the system. 

Key Responsibilities 

• Develop and maintain scalable, high-performance microservices using Java Spring Boot. 

Design and implement containerized applications and manage deployments on Kubernetes clusters. 

Collaborate with clients and cross-functional teams to gather and refine requirements into effective technical solutions. 

Perform peer code reviews, ensuring code quality, consistency, and adherence to best practices. 

• Develop non-blocking and reactive Java code using reactive extensions to build efficient, resilient systems. 

Integrate multiple software systems and APIs to enable seamless data flow across platforms. 

Mentor and guide junior developers, promoting knowledge sharing, code quality, and development best practices. 

Basic Qualifications 

Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience). 

5+ years of hands-on experience in software development using Java Spring Boot. 

Proven experience developing and deploying microservices in production environments. 

Working knowledge of containerization and orchestration using Docker and Kubernetes. 

Strong understanding of software integration patterns and RESTful API development. 

Excellent communication and collaboration skills, with the ability to work closely with 

customers and technical teams. 

Experience with CI/CD pipelines 

Knowledge of cloud platforms (AWS) and related services. 

Strong knowledge of BPMN with proficiency in one or more of Flowable, jBPM, Activiti, or Camunda. 

Preferred Qualifications 

Experience in integrating with Salesforce or similar enterprise CRM systems. 

Familiarity with frontend technologies, particularly modern JavaScript frameworks such as React or AngularJS. 

Experience with CI/CD pipelines and tools like Jenkins, GitHub Actions, or GitLab CI. 

Strong analytical skills with a proactive approach to problem-solving.

• Should act as a technical resource for the Data Science team and be involved in creating and implementing current and future Analytics projects like data lake design, data warehouse design, etc.
• Analysis and design of ETL solutions to store/fetch data from multiple systems like Google Analytics, CleverTap, CRM systems etc.
• Developing and maintaining data pipelines for real time analytics as well as batch analytics use cases.
• Collaborate with data scientists and actively work in the feature engineering and data preparation phase of model building
• Collaborate with product development and dev ops teams in implementing the data collection and aggregation solutions
• Ensure quality and consistency of the data in Data warehouse and follow best data governance practices
• Analyse large amounts of information to discover trends and patterns
• Mine and analyse data from company databases to drive optimization and improvement of product development, marketing techniques and business strategies.\

• Bachelor’s or Masters in a highly numerate discipline such as Engineering, Science and Economics
• 2-6 years of proven experience working as a Data Engineer preferably in ecommerce/web based or consumer technologies company
• Hands on experience of working with different big data tools like Hadoop, Spark , Flink, Kafka and so on
• Good understanding of AWS ecosystem for big data analytics
• Hands on experience in creating data pipelines either using tools or by independently writing scripts
• Hands on experience in scripting languages like Python, Scala, Unix Shell scripting and so on
• Strong problem solving skills with an emphasis on product development.
• Experience using business intelligence tools e.g. Tableau, Power BI would be an added advantage (not mandatory)

We are looking to hire an experienced AngularJs developer to join our dynamic team. You will be responsible for creating a top-level coding base using Angular best practices. Your role will require you to implement an exciting and streamlined user experience in the form of a Java-based desktop and mobile web app. 

To ensure success as an angularJS developer, you should have extensive knowledge of theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have excellent project management skills. Ultimately, a top-class AngularJs developer can design and build a streamlined application to company specifications that perfectly meet the needs of the user.

AngularJS Developer Responsibilities

• Designing and developing user interfaces using angularJS best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing JavaScript, CSS, and HTML.
• Developing product analysis tasks.
• Making complex technical and design decisions for AngularJS projects.
• Developing application codes and unit tests in AngularJS
• Conducting performance tests.
• Consulting with the design team.
• Ensuring high performance of applications and providing support.

• Experience with Angular 1.x.
• Bachelor’s degree in computer science, computer engineering, or similar.
• Previous work experience as an angularJS developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Knowledge of JavaScript MV-VM/MVC frameworks including AngularJS.
• Proven experience implementing front-end and back-end JavaScript applications.
• Critical thinker and good problem-solver.
• Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, SVN, etc., popular frontend development tools, 
• Excellent troubleshooting skills.
• Excellent communication skills.
• Good project management skills.

 Good to have 

• Experience with React native and node.js is a plus.
• Experience CI/CD tools and pipeline
• DevOps, Performance testing frameworks like Mocha, Node + NPM.
• Experience on cloud platforms like AWS, GCP, Azure

Profile Description:

The job holder will manage the day-to-day planning and operations of your team. This includes making sure that each of your Teammates delivers on their Service Level Agreement (SLA) and achieves their Key Performance Indicators (KPIs). As a Team Leader, you are in charge of managing the team and making sure everyone adheres to their schedules. You must be organized and be able to handle responsibility.

Key Responsibilities:

Project / Process:

1. Drive team to achieve process SLAs / metrics – productivity and quality targets within the established timelines.
2. Ensure individual SLAs are met on processing transactions (if applicable).
3. Ensure process guidelines are followed and met as documented.
4. Review process audit findings and take corrective action to prevent negative results.
5. Conduct Quality checks & periodical review of process adherence.
6. Maintain operations rigor around daily huddles, knowledge management Cross training etc.
7. Provide updates and submit reports related to own area of work.

Team Managements:

1. Provide work direction and guidance to team members:
2. ensure accuracy of the work of team members, their ability to operate under deadlines and to work on multiple tasks
3. Allocate work and tasks to the team.
4. Conduct team building activities to enhance motivation.
5. Conduct knowledge transfer sessions for new joiners in the team.
6. Identify training needs of team members and provide coaching support to them.
7. Report to the manager on performance, status and any escalations.
8. Manage attrition and absenteeism.
9. Developing and implementing a timeline to achieve targets.
10. Contributing to the growth of the company through a successful team.
11. Creating a pleasant working environment that inspires the team.

We are looking for a full-stack developer with  3+ years of experience in NodeJS and frontend technologies like HTML/CSS/JS + ReactJS + VueJS

- Strong Coding Skills
- Experience building scalable products
- 3+ years of experience in NodeJS with an understanding of callbacks, async/await, promises,
  asynchronous functions, usage of third-party libraries, ExpressJS, PassportJS etc
- Good command over Data Structure, Algorithms
- Experience working with NoSQL & SQL Databases like Mysql, MongoDB, ElasticDB, Redis etc
- Good design skills
- The ability to produce bug-free and production-grade code
- Knowledge of Go, Docker and kuberneates is a plus.

• Health Memberships 
• Sports Subscriptions 
• Entertainment Subscriptions 
• Key Conferences and Event Passes
• Learning Stipend 
• Team Lunches and Parties 
• Travel Reimbursements 
• ESOPs 

Thast what we think would bloom up your personal life, as a gesture for helping us with your talents.

Join us to be a part of our Exciting journey to Build one Digital Identity Platform!!!