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Senior Software Engineer — JavaScript Full-Stack

Experience: 4–6 years Location: Ahmedabad (Work from Office)

About the Role

We're hiring a senior engineer who can own systems end-to-end on live, production JavaScript/TypeScript applications. You'll work across React frontends, Node backends, and the databases behind them — you don't need to be the deepest expert in every layer, but you should be strong across the stack and able to make architectural calls that hold up.

This role involves real client interaction, technical decision-making, and shipping into production — not just executing tickets. You'll also be someone the mid-level and junior engineers learn from.

What You'll Do

• Design, build, and maintain scalable full-stack applications running in production
• Own technical decisions on architecture, data modeling, deployments, and performance trade-offs
• Debug live issues across the stack, identify bottlenecks, and improve performance
• Participate in client conversations: scoping, technical discussions, demos, and updates
• Review code and raise the team's bar — including the judgment to catch when AI-generated code is subtly wrong, overengineered, or a poor fit
• Mentor junior and mid-level engineers and contribute to team engineering standards
• Continuously evaluate and adopt tools and practices that improve delivery
• Work in an Agile / Scrum setup with regular delivery cycles

Must-Have

• 4–6 years building and shipping production JavaScript/TypeScript applications
• Strong full-stack ability — genuinely comfortable owning both React frontends and Node backends; can architect a feature from UI to data layer
• Deep JavaScript and TypeScript — language fundamentals, async patterns, typing discipline, and the ability to teach these to less experienced engineers
• Strong React — advanced hooks, state management, performance optimization, component architecture, and structuring large apps
• Strong Node backend — REST (and ideally some GraphQL or real-time) APIs, auth, error handling, and integrating third-party services; experience with Express, Nest, or similar
• Solid SQL and NoSQL — data modeling across relational and document paradigms; able to pick the right store for the problem and design schemas that hold up under load and change (PostgreSQL, MySQL, MongoDB, or similar)
• Hands-on AWS — deploying and operating applications, comfortable picking up new services, and debugging issues in production cloud environments
• System design fundamentals — caching (Redis/Memcache), queues, REST/API design, and an understanding of scaling and reliability trade-offs
• Track record on live production systems — operating, supporting, and evolving systems, not only greenfield builds or POCs
• Git workflows in a team — branching, reviews, conflict resolution
• Day-to-day use of AI coding tools (Cursor, GitHub Copilot, Claude Code, or similar) and a point of view on where they help vs. hurt
• Strong communication — can explain technical decisions to clients and non-technical stakeholders
• Independence — breaks down ambiguous problems, designs solutions, and ships without hand-holding

Strong Plus (one or more)

Architecture & Scale

• Microservices, API gateways, event-driven patterns
• Caching strategies, queue-based processing, eventual consistency
• Real-time systems (WebSockets, SSE)

Frontend Depth

• Next.js (SSR/SSG), advanced performance work, design systems
• Accessibility and cross-platform/responsive expertise
• React Native

DevOps / Platform

• CI/CD pipelines, Docker, infrastructure-as-code
• Observability and production monitoring

AI Engineering

• LLM-powered features: RAG, agentic workflows, tool use
• Vector databases (Pinecone, Weaviate, Qdrant, pgvector)
• Prompt engineering, evals, and observability for LLM apps

Nice to Have

• Automated testing depth (unit, integration, e2e)
• Security fundamentals: auth flows, secrets management, OWASP basics
• 
  

Job Description

Mandatory Requirements 

• Experience in AWS Glue

• Experience in Apache Parquet 

• Proficient in AWS S3 and data lake 

• Knowledge of Snowflake

• Understanding of file-based ingestion best practices.

• Scripting language - Python & pyspark

CORE RESPONSIBILITIES

• Create and manage cloud resources in AWS 

• Data ingestion from different data sources which exposes data using different technologies, such as: RDBMS, flat files, Streams, and Time series data based on various proprietary systems. Implement data ingestion and processing with the help of Big Data technologies 

• Data processing/transformation using various technologies such as Spark and Cloud Services. You will need to understand your part of business logic and implement it using the language supported by the base data platform 

• Develop automated data quality check to make sure right data enters the platform and verifying the results of the calculations 

• Develop an infrastructure to collect, transform, combine and publish/distribute customer data.

• Define process improvement opportunities to optimize data collection, insights and displays.

• Ensure data and results are accessible, scalable, efficient, accurate, complete and flexible 

• Identify and interpret trends and patterns from complex data sets 

• Construct a framework utilizing data visualization tools and techniques to present consolidated analytical and actionable results to relevant stakeholders. 

• Key participant in regular Scrum ceremonies with the agile teams  

• Proficient at developing queries, writing reports and presenting findings 

• Mentor junior members and bring best industry practices.

QUALIFICATIONS

• 5-7+ years’ experience as data engineer in consumer finance or equivalent industry (consumer loans, collections, servicing, optional product, and insurance sales) 

• Strong background in math, statistics, computer science, data science or related discipline

• Advanced knowledge one of language: Java, Scala, Python, C# 

• Production experience with: HDFS, YARN, Hive, Spark, Kafka, Oozie / Airflow, Amazon Web Services (AWS), Docker / Kubernetes, Snowflake  

• Proficient with

• Data mining/programming tools (e.g. SAS, SQL, R, Python)

• Database technologies (e.g. PostgreSQL, Redshift, Snowflake. and Greenplum)

• Data visualization (e.g. Tableau, Looker, MicroStrategy)

• Comfortable learning about and deploying new technologies and tools. 

• Organizational skills and the ability to handle multiple projects and priorities simultaneously and meet established deadlines. 

• Good written and oral communication skills and ability to present results to non-technical audiences 

• Knowledge of business intelligence and analytical tools, technologies and techniques.

Familiarity and experience in the following is a plus: 

• AWS certification

• Spark Streaming 

• Kafka Streaming / Kafka Connect 

• ELK Stack 

• Cassandra / MongoDB 

• CI/CD: Jenkins, GitLab, Jira, Confluence other related tools

Brief Job description:

• Develop, implement, and optimize our digital advertising strategies on platforms like Google AdSense and Meta Ads.
• Meticulously track key performance indicators (KPIs) and optimize campaign performance.
• Stay aware of the industry trends for performance marketing.
• Conduct rigorous analysis and optimization of campaign performance using data- driven insights and strategies devised using quantitative analysis. Budget management to ensure efficient expenditure while maximizing return on investment (ROI).
• Communicate analyses using visualization dashboards and metrics (demand funnel, marketing plan and budgeting, marketing ROI, operational efficiency, campaign impact, and strategic KPIs).

We seek an SEO Developer who can help us optimize our website to rank higher on search engine results pages. In this role, you will be responsible for developing and implementing SEO strategies, conducting keyword research, and analyzing website data to improve our online visibility.

You should have a strong understanding of search engine algorithms and experience with famous SEO tools and analytics platforms. Ultimately, you will help us attract more visitors to our site and generate more leads for our business.

SEO Developer Responsibilities

Mentioned below are the significant roles and responsibilities of an SEO Developer:

• Developing and managing effective search engine optimization (SEO) strategies.
• Conducting keyword research to identify high-value target keywords.
• Analyzing website architecture and linking structure to identify potential issues and recommend solutions.
• Implementing on-page SEO tactics such as optimizing titles, meta tags, anchor text, etc.
• Optimizing website content for maximum relevance and organic reach.
• Building link popularity through directory submissions, blog commenting, forum posting, social bookmarking, etc.
• Monitoring SEO performance metrics such as rankings, traffic, and conversions.
• Generating regular reports on SEO performance and progress.
• Staying up-to-date with the latest SEO trends and developments.

• Acquiring a deep understanding of our tech product, CKKA Lite.
• Conduct market research to identify selling possibilities and evaluate customer needs
• Actively seek out new sales opportunities through cold calling, networking and social media
• Set up meetings with potential clients and listen to their wishes and concerns
• Deliver appropriate presentations on products 
• Create frequent reviews and reports of sales
• Participate on behalf of the company in exhibitions or conferences
• Negotiate/close deals and handle complaints or objections
• Collaborate with team members to achieve better results
• Gather feedback from customers or prospects and share with internal teams

Responsibilities::

• Plan and execute all digital marketing strategy including SEO/SEM, marketing database, email, social media and campaign management for Tactic Solutions

• Responsible to generate the inbound lead for our IT services.

• Design, build and maintain our social media presence

• Measure and report performance of all digital marketing campaigns, and assess against goals (ROI and KPIs)

• Brainstorm new and creative growth strategies Plan, execute, and measure experiments and conversion tests

• Utilize strong analytical ability to evaluate end-to-end customer experience across multiple channels and customer touch points

• Website management using Google Webmaster & Analytics

• SEO, SEM, SMM activities including Blogs and articles

• Preparing detailed strategy reports

• Identifying powerful keywords to drive the most valuable traffic

• Filling websites and other content with effective keywords

• Writing effective SEO content for blogs, websites and social media accounts

• Developing link building strategies

• Analysing keywords and SEO techniques used by competitors

• Compiling and presenting SEO guidelines

• Perform competitive analysis and identify gaps in our content or areas of improvement in our web design

• Track important SEO metrics including organic traffic, conversion rates and time spent on page

• Report on performance metrics comparing them to our SEO goals and benchmarking data

• Follow SEO trends and stay up-to-date with new tools and practices

Skills::

• MARKETING STRATEGY

• SEO

• SMO

• DIGITAL MARKETING

• SOCIAL MEDIA

• MARKET RESEARCH

• SOCIAL STUDIES

Website - https://praxinfo.com/">https://praxinfo.com/