SDET(Immediate/Early Joiners only_ March Serving Only)Hacker Earth

Core Responsibilities:

• Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
• System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
• Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
• Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
• Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
• Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
• Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
• Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.

Experience and Expertise:

• 4–7 years of backend development experience with Python or Golang.
• Strong expertise in designing, developing, and scaling microservices and distributed systems.
• Solid understanding of concurrency, multi-threading, and performance optimization.
• Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
• Hands-on experience with Linux development, Docker, and Kubernetes.
• Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
• Strong debugging, profiling, and optimization skills for production-grade systems.
• Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.

Skills:

• Strong problem-solving ability, with experience handling complex technical challenges.
• Ability to lead technical initiatives and mentor junior engineers.
• Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
• Self-motivated, proactive, and able to operate independently while aligning with team goals.
• Passionate about engineering culture, quality, and developer productivity.

📌 Job Title: Performance Marketing / Digital Marketing Specialist

📍 Employment Type: Full-Time — Mohali (On-site)

⏰ Shift: Day Shift

🧾 Experience Required: Minimum 4–5 Years

💰 Salary Range: Good Hike

🟢 Notice Period: Immediate Joiners Preferred

🔵 About the Role

We are looking for a highly skilled, ROI-driven Performance Marketing / Digital Marketing Specialist with a proven track record in multi-country lead generation across the USA, UK, Canada, Australia, New Zealand & Dubai.

This is a strategic and execution-heavy role ideal for someone who can independently build, optimize, and scale omnichannel lead-generation systems across diverse service verticals, including:

• Healthcare Support Services
• Remote Staffing / Dedicated Remote Professionals
• Website & Mobile App Development
• Cybersecurity Services
• SEO & Digital Marketing Services
• Digital Content Creation
• Bonus (Preferred): Recruitment & Staffing

📌 If you lack hands-on performance marketing + multi-country lead generation + Upwork & Sales Navigator experience, this role is NOT suitable.

🔵 Core Lead-Generation Responsibilities

✔ Multi-Vertical Lead Generation — Mandatory

Proven expertise generating high-quality leads for:

• Healthcare Support Services
• Remote Staffing / Virtual Assistants
• Website & Mobile App Development
• Cybersecurity Services
• SEO, Digital Marketing & Creative Services
• Digital Content Creation
• (Preferred) Recruitment & Staffing

✔ Paid Campaign Management

Google Ads (Mandatory)

• Search, Display, Discovery & Video
• Remarketing / Retargeting
• Custom Intent & In-Market Targeting
• Smart Bidding Strategies
• Conversion & Event Tracking

Meta Ads (Facebook / Instagram)

• Lead Gen Campaigns
• Retargeting Stacks
• Lookalike & Interest Audience Testing
• Dynamic Creative Optimization

LinkedIn Ads (Preferred)

• Lead Gen Ads & Messaging Ads
• InMail Targeting
• B2B Segmentation

✔ Marketplace Lead Acquisition — Strongly Mandatory

Hands-on experience generating leads from:

• Upwork (bidding, proposal strategy, conversions)
• Fiverr (gig optimization & ranking)
• LinkedIn Sales Navigator (ICP targeting & outreach)

✔ Organic + Automation Channels

• SEO: Technical, On-Page, Off-Page, Keyword Strategy & Competitor Analysis
• Email Marketing & Automation
•  
• Segmentation, personalization & cold outreach
• Deliverability optimization
• Automated drip and nurture flows
• Retargeting & conversion funnels

🔵 Technical Skill Requirements

You must be hands-on with:

Advertising & Analytics

• Google Ads Manager
• Meta Ads Manager
• LinkedIn Campaign Manager
• GA4
• Google Tag Manager (GTM)
• A/B Testing & CRO
• Conversion Tracking (pixel/events/server-side preferred)
• UTM Strategy

Landing Page & Funnel Optimization

• High-converting landing pages
• Heatmaps
• Split testing
• Funnel performance & attribution

CRM & Automation Tools

• HubSpot / Zoho / GoHighLevel
• Mailchimp / SendGrid / ActiveCampaign
• Instantly / Lemlist / Apollo / Smartlead
• Zapier / Make

🔵 Key Responsibilities

• Plan, execute & scale paid campaigns across Google, Meta & LinkedIn
• Generate qualified leads across multiple business verticals
• Build high-conversion landing pages & funnels
• Execute full SEO roadmap
• Design & optimize automated email sequences
• Monitor CPL, CPA, ROAS, CAC, LTV & Conversion Rate
• Maintain consistency & predictability in lead flow
• Competitor & keyword intelligence reporting
• Deliver weekly & monthly performance reports
• Collaborate with internal teams on lead targets & pipeline growth

🔵 Required Skills & Competencies

• Minimum 4–5 years in performance marketing & digital lead generation
• Proven experience targeting US/UK/Australia/NZ/Dubai markets
• Strong portfolio of Google & Meta campaigns
• Mandatory experience with Upwork, Fiverr & Sales Navigator
• Excellent written & verbal communication in English
• Strong analytical & data-driven decision-making capabilities
• Deep understanding of cold email KPIs & deliverability metrics
• Ability to work independently on night shift
• Must have a reliable WFH setup

Exp: 5 - 7 Years

CTC: 40-45 LPA

Notice Period: Only Immediate joinees

Candidates must have experience working in product-based companies.

He should have spent at least half of his total experience in product-based companies.

● Experience: 5+ years of experience in front-end development with significant experience using ReactJS and its ecosystem (Redux, React Router, etc.).

● Leadership: Proven ability to take the lead on complex projects, guide junior developers, and drive technical decision-making.

● Problem Solving: Strong analytical and problem-solving skills with the ability to work through complex issues and deliver creative solutions. ● Collaboration: Excellent communication skills with the ability to collaborate effectively with cross-functional teams, including UX/UI designers, back-end engineers, and product managers. Technical Skills Required:

● ReactJS 16+: Deep expertise in ReactJS, including lifecycle methods, hooks, functional components, and performance optimization techniques.

● Redux: Advanced knowledge of Redux for managing and debugging application state, including middleware like Redux Thunk or Redux Saga for handling async actions.

● Typescript: Proficiency in TypeScript for building strongly typed and scalable applications, with a focus on maintainability and reducing runtime errors.

● NodeJS & ExpressJS: Solid experience in using NodeJS and ExpressJS for building RESTful services, handling HTTP requests, and integrating with various APIs.

● Material UI: Strong experience with Material UI to build rich, responsive, and intuitive user interfaces while adhering to design principles.

● RESTful APIs: Expertise in designing, consuming, and optimizing REST APIs to enable efficient data transfer between client and server.

● Version Control: Proficient in Git and GitHub/Bitbucket for source control and version management.

● Testing: Familiarity with unit testing frameworks and methodologies for front-end development (e.g., Jest, React Testing Library).

● Build Tools &a Bundlers: Experience with modern build tools like Webpack, Babel, and bundling tools for optimizing the front-end codebase."

Good to have "Preferred Qualifications:

● Cloud Technologies: Experience deploying and maintaining applications on cloud platforms such as AWS, Azure, or GCP.

● CI/CD Pipelines: Familiarity with continuous integration and continuous deployment pipelines, with experience in tools such as Jenkins, CircleCI, or GitHub Actions.

● Mobile Development: Familiarity with mobile-first design principles and responsive web design (RWD), as well as experience building applications that work across desktop tablet, and mobile devices." Roles & Responsibilities "

● End-to-End Product Ownership: Take ownership of the development and evolution of core product features from conception through to launch, ensuring they meet both functional and non-functional requirements.

● Collaborative Design & Development: Partner with product managers, UX/UI designers, and back-end engineers to architect and implement scalable, user-centric, and highly performant ReactJS applications. ● User-Centric Development: Understand customer needs and translate them into effective, intuitive user experiences. Participate in user research, A/B testing, and iterative product improvement.

● ReactJS Development: Lead the design and development of complex web applications using ReactJS 16+ and ensure high performance and scalability across different browsers and platforms.

● State Management with Redux: Architect and implement Redux-based solutions to manage application state in large-scale, high-performance applications.

● Typescript Expertise: Utilize Typescript for type-safe, scalable, and maintainable front- end code, ensuring a seamless development experience.

● Backend Integration: Use NodeJS and ExpressJS to create efficient server-side functionality, integrate with RESTful APIs, and ensure smooth front-end to back-end communication.

● UI Design with Material UI: Create clean, user-friendly interfaces using Material UI components, ensuring an elegant and responsive design that meets user expectations.

● Code Quality: Write clean, reusable, and modular code following best practices. Continuously refactor and optimize code for performance improvements.

● Collaboration & Mentorship: Collaborate with product managers, designers, and back- end developers to deliver user-centric features. Mentor and guide junior developers in the team.

● Agile Development: Work in an Agile development environment, actively participating in sprint planning, standups, and retrospectives to ensure timely delivery of features.

● Performance Optimization: Identify performance bottlenecks in the application and implement solutions to improve load times, responsiveness, and overall user experience. ● Cross-browser Compatibility: Ensure the web application works seamlessly across all modern browsers and devices, using responsive design principles.

Numadic is hiring a Fullstack Developer

We are Numads

Drawn to the unknown, we are new age nomads who seek to bring near what is far. We work as full stack humans, able to operate independently while enjoying the journey together. We see past the sandlines of clan and craft and value the unique and special talents of each. We think, we design, we code, we write, we share, we care and we ride together. We aim to live by our values of Humility, Collaboration and Transformation.

We undisrupt vehicle payments

To impact a highly fragmented v-commerce space, we aim to bring order to simplify & aggregate. We are a full stack v-commerce platform. We build the Network side of the products to achieve dense on-ground digital coverage by working with & aggregating different types of partners. Further help set the standards for scaling sustainably for the future. We also build the User side of the products to make road travel experience for our vehicle owners and drivers contactless and fully autonomous. 

About the role:

1. Meet both technical and consumer needs.
2. Design client-side and server-side architecture that can scale to thousands of end users.
3. Ensure cross-platform optimisation and responsiveness of applications.
4. Write and review technical documentation.
5. Diagnose and fix bugs and performance bottlenecks.
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Create security and data protection processes.
8. Design and develop efficient APIs.
9. Ability to quickly adapt and migrate code to most current technologies.

Why is the opportunity exciting

We are a startup and provide an opportunity to be a part of a fast growing company. With full ownership, you will have the direct ability to make a difference and lead teams. You will work and learn from among a diverse group of Numads. You will solve first-to-market problems to be taken globally. We are based out of Goa and we offer a great opportunity to work from one of the most beautiful parts of India.

Role requirements:

1. 2+ years of proven experience working as a Fullstack Developer
2. Proficiency with multiple front-end languages and frameworks (e.g. HTML, CSS, JavaScript, React, React Native)
3. Knowledge of back-end languages (Node JS)
4. Knowledge of AWS, Firebase, GIT and CI/CD tools.
5. Hands-on experience with databases (e.g. Postgres, MongoDB).
6. Bias for action - ability to move quickly while taking time out to review the details.
7. Clear communicator - Ability to synthesise and clearly articulate complex information, highlighting key takeaways and actionable insights.
8. Team player - Working mostly autonomously, yet being a team player keeping your crews looped-in.
9. Education - Degree in Computer Science or relevant field or relevant experience.
10. Mindset - Ability to take responsibility for your life and that of your people and projects.
11. Mindfulness - Ability to maintain practices that keep you grounded.

Join Numadic

From the founders to our investors and advisors, what we share is a common respect for the value of human life and of meaningful relationships. We are full-stack humans, who work with full-stack humans and seek to do business with full-stack humans. We have turned down projects, when we found misalignment of values at the other end of the table. We do not believe that the customer is always right. We believe that all humans are equal and that the direction of the flow of money should not define the way people are treated. This is life at Numadic.

About Us 

Rezo.ai is an AI-Powered Contact Centre that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs.

How do we do it 

Rezo’s AI-Powered contact center leverages ground-breaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, analyzing social media, whilst coaching them.

Overview

Database administrator (DBA) will be the performance, integrity and security of a database. You'll be involved in the planning and development of the database, as well as in troubleshooting any issues on behalf of the users.

Job Responsibilities:

• Monitoring system performance and identifying problems that arise.
• Install and maintain the performance of database servers.
• Develop processes for optimizing database security.
• Set and maintain database standards.
• Install, tune, implement and upgrade DBMS installations
• Write and deploy MYSQL patches
• Upgrade and improve application schema and data upgrades
• Manage database access.
• Performance tuning of database systems.
• Install, upgrade, and manage database applications.
• Diagnose and troubleshoot database errors.
• Recommend and implement emerging database technologies.
• Create and manage database reports, visualizations, and dashboards.
• Create automation for repeating database tasks.
• Be available for on-call support as needed.

Skills Required:

• A minimum of 3 years' experience as a database administrator.
• Strong and Proficiency in data manipulation languages, including MS SQL,
• Advanced knowledge of database security, backup and recovery, and performance monitoring standards
• Understanding of relational and dimensional data modelling
• Strong mathematical and statistical knowledge
• Excellent written and verbal communication skills
• Impeccable attention to detail

• Provision Dev Test Prod Infrastructure as code using IaC (Infrastructure as Code)
• Good knowledge on Terraform
• In-depth knowledge of security and IAM / Role Based Access Controls in Azure, management of Azure Application/Network Security Groups, Azure Policy, and Azure Management Groups and Subscriptions.
• Experience with Azure and GCP compute, storage and networking (we can also look for GCP )
• Experience in working with ADLS Gen2, Databricks and Synapse Workspace
• Experience supporting cloud development pipelines using Git, CI/CD tooling, Terraform and other Infrastructure as Code tooling as appropriate
• Configuration Management (e.g. Jenkins, Ansible, Git, etc...)
• General automation including Azure CLI, or Python, PowerShell and Bash scripting
• Experience with Continuous Integration/Continuous Delivery models
• Knowledge of and experience in resolving configuration issues
• Understanding of software and infrastructure architecture
• Experience in Paas, Terraform and AKS
• Monitoring, alerting and logging tools, and build/release processes Understanding of computing technologies across Windows and Linux