Fullstack Developer - Spring, Angular 4+, AWS

Job Role: Sr. Full Stack Developer

Experience- Min 6 Years

Location-Bangalore

Company Profile- https://www.wissen.com/

Domain 

Fintech, Banking, Capital Markets, Investment Banking 

Job Summary 

We are looking for a highly experienced Senior Full Stack Engineer with strong hands-on expertise in Java, Spring Boot, AWS,React, and DynamoDB. The ideal candidate will have a strong background in building secure, scalable, high-performance applications for financial services, with experience in regulated environments such as banking, capital markets, or investment banking. 

Key Responsibilities 

• Design, develop, and maintain scalable backend services using Java and Spring Boot. 
• Build responsive and reusable user interfaces using React. 
• Design and optimize data models and access patterns in DynamoDB. 
• Develop RESTful APIs and integrate them with front-end and downstream systems. 
• Work on microservices-based architecture and cloud-native application design. 
• Collaborate with product managers, business analysts, architects, QA, and DevOps teams to deliver business-critical solutions. 
• Ensure application security, performance, reliability, and maintainability. 
• Participate in code reviews, architecture reviews, and design discussions. 
• Troubleshoot production issues and support enhancements in live environments. 
• Follow SDLC, Agile, and DevOps best practices in a fast-paced financial services environment.
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Required Skills 

• 8+ years of experience in software development. 
• Hands-on experience working on React, AWS cloud environment and DynamoDB.  
• Proficiency in Java, J2EE, Spring, Hibernate, REST API, Microservices.  
• Experience in developing applications using J2EE Design Patterns and AWS services. 
• Strong problem-solving skills and attention to detail. 
• Excellent communication and teamwork skills. 
• 
  
• Qualifications 
• Bachelor’s or Master’s degree in Computer Science, IT, or a related discipline. 
• Proven experience delivering enterprise-grade applications in regulated financial environments. 

Job Type: Full Time.

Job Summary:

Solution Arcitect:

We are looking for four highly skilled AWS-certified Solution Architects who can lead projects independently and provide technical leadership. The ideal candidates should have a strong hands-on background in React, Node.js, JavaScript, and AWS AppSync, along with expertise in designing and implementing scalable cloud-based solutions.

Key Responsibilities:

• Lead the architecture, design, and implementation of cloud-based applications on AWS.

• Provide technical leadership and guidance to development teams.

• Design scalable, high-performance solutions using AWS services, including AppSync, Lambda, DynamoDB, API Gateway, and Cognito.

• Develop and maintain front-end applications using React and back-end services using Node.js.

• Ensure best practices in security, scalability, and performance optimization.

• Collaborate with cross-functional teams including product managers, developers, and DevOps engineers.

• Troubleshoot and resolve technical challenges efficiently.

• Stay up to date with AWS technologies and industry best practices.

Required Skills & Experience:

• AWS Certified (Solutions Architect Associate/Professional or equivalent).

• 8+ years of experience in software development.

• Strong expertise in React, Node.js, JavaScript, and AWS AppSync.

• Proven experience in designing and deploying serverless and microservices architectures on AWS.

• Proficiency in AWS services like Lambda, API Gateway, DynamoDB, S3, Cognito, IAM, CloudFormation, and CDK.

• Experience with GraphQL and REST APIs.

• Strong understanding of CI/CD pipelines and DevOps practices.

• Excellent problem-solving and project leadership skills.

• Ability to work independently and lead projects from inception to delivery.

Preferred Qualifications:

• Experience with TypeScript.

• Knowledge of containerization (Docker, Kubernetes).

• Exposure to AI/ML services on AWS.

Why Join Us?

• Opportunity to work on cutting-edge cloud projects.

• Lead high-impact initiatives with independence and ownership.

• Competitive salary and benefits.

• Collaborative and innovative work environment.

About the Role

We are looking for a Technical Lead with 5–7 years of experience in the JavaScript/TypeScript and Node.js ecosystem to drive core platform development. This is a hands-on leadership role that requires strong backend expertise, as well as exposure to mentoring and team management.

Key Responsibilities

• Lead development of core platform components including frameworks, APIs, and backend services
• Design and build scalable RESTful APIs and microservices using Node.js (NestJS preferred)
• Take ownership of system design, architecture, and performance optimization
• Mentor junior developers and ensure adherence to coding standards and best practices
• Drive Agile development (JIRA-based) and ensure smooth sprint execution
• Collaborate with cross-functional teams (UI, DevOps, Product)
• Conduct code reviews and enforce efficient coding using DSA principles
• Manage version control and collaboration using Git/Bitbucket

Required Technical Skills

• Strong proficiency in JavaScript / TypeScript
• Hands-on experience in Node.js (NestJS preferred)
• Good understanding of Data Structures & Algorithms (DSA)
• Experience with SQL databases
• Strong knowledge of REST services and API development
• Experience with Git (version control)
• Understanding of backend architecture and scalable systems

Good to Have Skills

• Experience with Bitbucket
• Knowledge of AWS Cloud (EC2, S3, Load Balancer)
• Exposure to SAP UI5 or frontend frameworks
• Basic understanding of CI/CD pipelines and DevOps practices

Leadership & Behavioral Skills

• Experience in team handling / mentoring developers
• Strong knowledge of JIRA and Agile methodologies
• Excellent problem-solving and analytical thinking
• Strong communication and stakeholder management skills

Job Description:

Responsible for designing, developing, and maintaining full-fledged software platforms that can function independently without relying on third-party applications. Work on both the front-end and back-end development processes, using a range of technologies and languages such as Java, Springboot, microservices, cloud with Angular or react.

Essential functions:

• Strategic Architectural Design Lead the design and development of complex, enterprise-level software systems.
• Evaluate emerging technologies and recommend optimal architectural patterns.
• Ensure software solutions align with business requirements and long-term goals.
• Technical Leadership Mentor and guide junior developers on best practices and coding standards.
• Collaborate with cross-functional teams to coordinate development efforts.
• Make data-driven decisions to optimize system performance and scalability.
• FullStack Development Hands-on coding and implementation of front-end, back-end, and database components.
• Develop robust APIs, microservices, and cloud-native applications.
• Implement security measures and ensure compliance with industry standards.
• Continuous Improvement Identify opportunities to refactor and modernize existing systems.
• Automate deployment pipelines and streamline DevOps processes.
• Conduct code reviews and provide constructive feedback to the team.
• Knowledge Sharing Document technical specifications, design patterns, and implementation details.
• Conduct training sessions and workshops to upskill the development team.
• Stay-up-dated on the latest Java ecosystem and share industry insights.

Qualifications/ Experience & Skills:

• Computer engineering/ Computer Science OR equivalent degree.
• 10-15 Years of total experience.
• As an experienced Full Stack Architect, individuals would be responsible for driving the technical vision, leading the development team, and ensuring the delivery of high-quality, scalable software solutions that meet business objectives.
• Notice period: immediate - 30 days would be preferred.

Would be a plus :

• Experience in Enterprise architecture

Build the future of 3D virtual and hybrid events with Sarcon. Fast-growing profitable startup working with top brands across the globe.
We are recognized by the Government of Singapore & are a NASSCOM 10K startup. We also have a bunch of prestigious recognitions to our name. Our technology has powered virtual, hybrid and physical events of all sizes, from large international conferences to focused B2B meets in industries ranging from defense, information technology, aerospace to medicine and nanotechnology. The engineering team behind Sarcon consists of patent-holding engineers having worked for the likes of Intel, Qualcomm, Oracle, and L-Brands. We are continually working on adding products and features to our arsenal to make your events world-class.

In this role you would get to work closely not only with a highly smart and dedicated group of technologists but also with the sales and customer success teams as you help deliver the delightful experience customers have started to expect from Sarcon.

The role would be of interest to you if:

1) You want to build a world-class B2B2C product (A product used by businesses and end customers).
2) Are excited by the prospect of building cutting edge, scalable,secure, and intuitive applications.

3) You want to work on a product that is seeing exponential growth in demand and are excited by the challenges of building technology to support this demand

4) You want to work on stuff where the impact of your work will be seen by hundreds of thousands of industry leaders across industries

5) You want to push yourself to your limits and build a world-beater

Bonus-
Experience with Docker
Setting up scalable systems on the cloud 

Key responsibilities:

1. Work on full-stack development with Primary Laravel PHP, JavaScript & Secondary- NodeJS,React

2. Work on building high-performance scalable applications for the global audience

Salary is negotiable for rockstar candidates.

Job Description

Job Purpose 

We work in the latest technology, and our foundations are data structures, algorithms, strong logical reasoning, and mathematics. We are looking for very strong engineers who love coding, optimizing, and making sure their code is the most efficient possible.

You will be involved with hardcore development. If you are an assembler of code or packages from different places to build something, you may not find our team to be the right fit.

You must be someone who can build anything from the ground up. Programming language should not be any barrier for you, as you should be able to pick up any programming language or underlying technology within a week.

Key Areas of Responsibility

Core development. Ready to participate in designing, brainstorming, and development process. You must give sleepless nights to meet deadlines whenever required.

Desired Candidate Profile

Essential Skills 

• Reliable, Accountable and Trustworthy
• Ability to understand software requirements based on a wireframe/program specification
• Familiarity with GoLang / PHP / Python / Java / C / C++ / Linux Shell and Scripting / HTML / CSS / JS / Node.js is a plus
• Effective communication skills to ensure smooth coordination of tasks with Team Leader
• Knowledge of MongoDB, MySQL, and PL/SQL is a plus
• Familiarity with ML, TensorFlow, and Keras is a plus
• Knowledge of web servers such as Apache, NGNIX, and the HTTP protocol is plus
• Knowledge of multi-process, threads, memory, and filesystem on Linux is desirable

Skills Required

• 8+ years of industry work experience
• Proven experience as a Full Stack Developer or similar role
• 3+ years of web application development with JavaScript as full stack
• Full stack experience designing and building scalable applications from end-to-end 
• Excellent JavaScript / Typescript skills
• Strong proficiency in React (hooks knowledge is plus)
• Strong proficiency in Nodejs
• Good HTML5 / CSS3 skills with expertise on responsive web design 
• Must have Design and development experience in Micro services using NodeJS and TypeScript
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis 
• Experience with Web sockets and related frameworks (e.g. Socket.IO) 
• Experience in using and developing GraphQL APIs
• Experience in performance tuning
• Knowledge of code versioning tools such as Git, Mercurial or SVN.
• Open minded to take up any challenge, research and provide solutions 
• Great attention to detail
• Testing libraries – jest, testing-library is plus
• TDD / BDD experience is plus
• Experience with AWS, K8S, CI/CD is plus
• Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration

• Design – Analyze, design & document the system / solution based on the business needs which is scalable, resilient and maintainable with low overhead for both client and server side
• Problem solving – Solve the challenges and problems faced by team by guiding and team with best practices
• Coordinate - Communicate system requirements to developers; explain system structure to them and provide assistance
• Code Reviews – Perform code reviews 
• Planning – Plan and assign tasks to team members
• Develop – Develop micro services and micro frontends

Work Environment Details:

Founded in 2011 and trusted by companies across 70 countries and more, KnowledgeHut is the skills solutions provider that organizations and individuals the world over count on to innovate faster and create progress.
We help technologists master their craft and take control of their careers. We empower businesses everywhere to build adaptable teams, speed up release cycles and become scalable, reliable, and secure.  
Our mission to democratize technology skills is what drives us, and our values are at the helm of how we work together. We thrive in an environment with creativity around every corner, challenges that keep us on our toes, and peers who inspire us to be the best we can be.  
If you have the development skills required and are excited to come to work every day knowing you’re helping our customers build the skills that power innovation, we want to hear from you!

Responsibilities

Work with development teams and product managers to ideate software solutions

Design client-side and server-side architecture

Build the front-end of applications through appealing visual design

Develop and manage well-functioning databases and applications

Write effective APIs

Test software to ensure responsiveness and efficiency

Troubleshoot, debug and upgrade software

Create security and data protection settings

Build features and applications with a mobile responsive design

Write technical documentation

Work with data scientists and analysts to improve software

Requirements

Proven experience as a Full Stack Developer or similar role

Experience developing desktop and mobile applications

Familiarity with common stacks

Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design

Excellent communication and teamwork skills

Great attention to detail

Organizational skills

An analytical mind