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Senior Full Stack Developer – Job Description

Job Overview

Surety Seven Technologies Pvt Ltd is looking for an experienced and highly skilled Senior Full Stack Developer with strong expertise in Next.js, Node.js, and React.js. The ideal candidate will lead architecture decisions, build scalable applications, guide development teams, and drive technical excellence across projects.

This role requires strong ownership, leadership capability, and hands-on coding expertise in both frontend and backend technologies.

Key Responsibilities

• Lead the design and architecture of scalable full-stack applications
• Develop, maintain, and optimize web applications using Next.js, React.js, and Node.js
• Build robust RESTful APIs and backend services
• Ensure high performance, security, and responsiveness of applications
• Work closely with Product, Design, and QA teams to deliver high-quality features
• Conduct code reviews and maintain coding standards & best practices
• Mentor and guide junior and mid-level developers
• Manage CI/CD pipelines and deployment processes
• Troubleshoot complex production issues and provide solutions
• Contribute to technical documentation and system design discussions

Required Skills & Qualifications

• 5–8 years of experience in Full Stack Development
• Strong hands-on experience with Next.js, React.js, and Node.js
• Deep knowledge of JavaScript (ES6+), HTML5, CSS3
• Experience with MongoDB / MySQL / PostgreSQL
• Strong understanding of REST APIs, authentication (JWT/OAuth), and API security
• Experience with Git, CI/CD tools, and deployment on cloud platforms (AWS, Azure, or similar)
• Understanding of microservices architecture (preferred)
• Strong problem-solving and debugging skills
• Experience leading technical modules or teams

Lead Data Scientist

Location: Mumbai

Application Link: https://flpl.keka.com/careers/jobdetails/40052

What you’ll do

• Manage end-to-end data science projects from scoping to deployment, ensuring accuracy, reliability and measurable business impact
• Translate business needs into actionable DS tasks, lead data wrangling, feature engineering, and model optimization
• Communicate insights to non-technical stakeholders to guide decisions while mentoring a 14 member DS team.
• Implement scalable MLOps, automated pipelines, and reusable frameworks to accelerate delivery and experimentation

What we’re looking for

• 4-5 years of hands-on experience in Data Science/ML with strong foundations in statistics, Linear Algebra, and optimization
• Proficient in Python (NumbPy, pandas, scikit-learn, XGBoost) and experienced with at least one cloud platform (AWS, GCP or Azure)
• Skilled in building data pipelines (Airflow, Spark) and deploying models using Docker, FastAPI, etc
• Adept at communicating insights effectively to both technical and non-technical audiences
• Bachelor’s from any field

You might have an edge over others if

• Experience with LLMs or GenAI apps
• Contributions to open-source or published research
• Exposure to real-time analytics and industrial datasets

You should not apply with us if

• You don’t want to work in agile environments
• The unpredictability and super iterative nature of startups scare you
• You hate working with people who are smarter than you
• You don’t thrive in self-driven, “owner mindset” environments- nothing wrong- just not our type!

About us

We’re Faclon Labs – a high-growth, deep-tech startup on a mission to make infrastructure and utilities smarter using IoT and SaaS. Sounds heavy? That’s because we do heavy lifting — in tech, in thinking, and in creating real-world impact.

We’re not your average startup. We don’t do corporate fluff. We do ownership, fast iterations, and big ideas. If you're looking for ping-pong tables, we're still saving up. But if you want to shape the soul of the company while it's being built- this is the place!

About Company

Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.

Minimum Requirements/Qualifications:

• Bachelor’s/Master’s degree in computer science, Computer Engineering or a related field is preferred.

• Must have at least 5 to 7 years of experience in application development (Java,Spring Framework), Deployment(Apache Tomcat & Nginx)

• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts.

• Knowledge & hands-on experience of Java, Spring Framework, Spring Security, JSP, Apache Tomcat, Nginx is a must.

• Must have experience with Bootstrap CSS, jQuery etc.

• Basic Understanding of PostgreSQL, MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services.

• Relevant Knowledge of Java GUI frameworks according to project requirements.

• Experience in handling external and embedded databases.

Roles & Responsibilities

• Develop new modules, patches & Updates/upgrades for an existing application (developed in-house by the client)

• Bug fixing, and updating of software.

• Analyze user requirements to define business objectives.

• Maintain Java-based applications that can be high-volume and low-latency.

• Identify and resolve any technical issues arising.

• Write well-designed, testable code.

• Conducting software analysis, programming, testing, and debugging.

• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.

Responsibilities:

● Responsible for user acquisition efforts end to end for mobile games and GTM strategy

and market penetration

● Collaborate with Game development team to understand the opportunities to improve

the game and thus increasing the organic installs/WOM/ virality quotient of the game

● Understanding the latest market trends and behavioral insights from UA standpoint and

feeding them back into game development team

● Identifying the areas of improvement in onboarding experiences and working with game

development team to improve those areas and thus leading to higher ROAS of the

campaigns

● Setting up accounts across leading digital ad networks and MMPs and establishing a

good relationship with the third party stakeholders

● Establishing credit lines with ad networks and cracking business deals at attractive

pricings

● Running multiple ad campaigns across various ad formats at the same time globally

● Setting up the data flow pipeline for entire UA system and building visualization layer on

top of it

● Monitoring ad campaigns across networks and games to manage paid UA scale without

hurting profitability

● Brainstorming and coming up with innovative ways to test marketing campaigns and thus

eventually cracking the mantra for success in the cluttered digital UA landscape

● Scaling up the campaigns to deliver higher installs, with good quality at an impressive

cost-per-acquisition

● Finding niche distribution channels/partners to diversify the risks involved

● Building a team of marketing Managers, Account managers, Analysts and Graphic

designers, Graphic composers/editors, and marketing communications team

● Handling performance appraisals for the team

Candidate we are looking for:

● 3+ years of digital Marketing experience. Global

markets UA knowledge would be a plus

● Hands on experience in creating campaigns, running liveops on UA and managing

marketing budgets greater than 25mn USD per annum

● Deep knowledge on dashboards of advertising platforms, MMPs and other performance

tools

● Great analytical experience to understand the performance of campaigns and ability to

drive behavioral insights through data

● Hands on experience in handling the constantly changing UA ecosystem (iOS 14 privacy

changes, GDPR, and other regulations)

● Capable to foresee behavioral patterns and convert them into unique differentiable

marketing campaigns

● Strong negotiation skills to convert new accounts, business deals, partnerships

● Ability to come up with both macro and micro opportunities and breaking down the

macro opportunities into achievable micro opportunities

● Real experience on hiring raw talent and coaching them to become rockstars in terms of

both skill and personality and eventually to become great leaders of the company.

● A personality with a strong bias towards execution without neglecting/ignoring/ affecting

values and team mates of the company

Data Engineering : Senior Engineer / Manager

As Senior Engineer/ Manager in Data Engineering, you will translate client requirements into technical design, and implement components for a data engineering solutions. Utilize a deep understanding of data integration and big data design principles in creating custom solutions or implementing package solutions. You will independently drive design discussions to insure the necessary health of the overall solution.

Must Have skills :

1. GCP

2. Spark streaming : Live data streaming experience is desired.

3. Any 1 coding language: Java/Pyhton /Scala

Skills & Experience :

- Overall experience of MINIMUM 5+ years with Minimum 4 years of relevant experience in Big Data technologies

- Hands-on experience with the Hadoop stack - HDFS, sqoop, kafka, Pulsar, NiFi, Spark, Spark Streaming, Flink, Storm, hive, oozie, airflow and other components required in building end to end data pipeline. Working knowledge on real-time data pipelines is added advantage.

- Strong experience in at least of the programming language Java, Scala, Python. Java preferable

- Hands-on working knowledge of NoSQL and MPP data platforms like Hbase, MongoDb, Cassandra, AWS Redshift, Azure SQLDW, GCP BigQuery etc.

- Well-versed and working knowledge with data platform related services on GCP

- Bachelor's degree and year of work experience of 6 to 12 years or any combination of education, training and/or experience that demonstrates the ability to perform the duties of the position

Your Impact :

- Data Ingestion, Integration and Transformation

- Data Storage and Computation Frameworks, Performance Optimizations

- Analytics & Visualizations

- Infrastructure & Cloud Computing

- Data Management Platforms

- Build functionality for data ingestion from multiple heterogeneous sources in batch & real-time

- Build functionality for data analytics, search and aggregation

Roles & Responsibilities :

● Expertise in ON OFF Page SEO activities.

● Identifying and implementing strategies to increase website traffic through organic search listings without being blacklisted.

● Proven SEM experience managing PPC campaigns across Google and other Search Engines.

● Handling all aspects of SEO, SMO and different ways of link building ● Solid understanding of performance marketing, conversion, and online customer acquisition

● Technical Analysis and Audit of the website. Good knowledge of Google webmaster Analytics.

● Experience with A/B and multivariate experiments

● Knowledge of ranking factors and search engine algorithms

● Up-to-date with the latest trends and best practices in SEO and SEM ● Should have a good understanding of the digital environment and the opportunities for using social media.

Skills Required :

● Excellent communication and team player skills.

● Ability to handle international clients

● Ability to manage multiple projects and handle clients

• Mobile App development using react native framework
• Expert in creating smooth UIs across both iOS & Android mobile platforms
• Leverage native APIs for deep integrations with both platforms.
• Should be able to solve complex technical, scalability or performance challenges
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Follow coding standards, unit testing, code reviews etc.