Fullstack Developer

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Engineer the Future of AI-Powered Recruitment Applications

About Us:

At PyjamaHR, we're creating recruitment software so intuitive you could use it in your pajamas. We integrate cutting-edge LLMs and Generative AI technologies into practical, powerful applications that are transforming how 525+ companies hire talent. While others are still talking about AI potential, we're shipping AI-powered features that deliver real value. As we scale from Bangalore to the US market, we need exceptional full-stack talent who can turn advanced AI capabilities into elegant, user-friendly experiences.

The Role:

As a Senior Full-Stack Engineer at PyjamaHR, you'll build the applications and interfaces that bring our AI capabilities to life. This isn't about training models—it's about implementing, integrating, and optimizing Generative AI within robust full-stack applications. You'll work across our entire technology ecosystem to create seamless experiences that leverage AI to solve real recruitment challenges. Your code will directly impact how companies discover, evaluate, and hire talent.

What You'll Do:

• Implement AI-Powered Features - Integrate Generative AI capabilities into practical, user-facing applications
• Build End-to-End Solutions - Develop both frontend experiences and backend services that leverage AI capabilities
• Create Scalable Architectures - Design systems that grow with our rapidly expanding user base
• Optimize Performance - Ensure our applications remain responsive even when processing complex AI operations
• Enhance User Experiences - Translate advanced AI capabilities into intuitive, accessible interfaces
• Drive Technical Excellence - Set standards for code quality and engineering practices across the team
• Collaborate Across Functions - Work with product, design, and data teams to deliver cohesive solutions
• Solve Complex Challenges - Apply your technical creativity to the unique problems of AI-powered recruitment

Who We're Looking For:

• 3-5 years of full-stack development experience building production applications
• Experience implementing and integrating Generative AI into web applications
• Expertise with either Django/React or Node.js/React technology stacks
• Strong experience with cloud platforms (Azure preferred, AWS acceptable)
• Proven ability to build performant, scalable web applications
• Excellence in modern JavaScript/TypeScript and frontend development
• Solid understanding of software architecture principles
• Product-minded approach to engineering decisions
• Ability to thrive in fast-paced environments with evolving priorities
• Bachelor's or higher in Computer Science or equivalent practical experience

The Rewards:

• Salary range of ₹30-40 LPA for exceptional talent (with room to negotiate for truly outstanding candidates)
• Equity package with significant growth potential
• Minimal bureaucracy and maximum impact
• Autonomy to make important technical decisions
• The opportunity to shape an industry-leading product
• Collaborative, innovation-focused work environment

Location: Bangalore (Koramangala 8th Block)

This role is perfect for engineers who want to apply their full-stack expertise to implement cutting-edge AI technologies in real-world applications. If you're excited about building the interfaces and systems that make advanced AI accessible and valuable to users, we want to talk to you.

Roles and Responsibilities :

Responsibilities

- To analysis business requirements, prepare design and implementation recommendations and estimate development effort

- Collaborate with cross-functional teams to define, design, and ship new features

- Lead or participate in design reviews, code reviews and architecture evolution discussions

- Unit-test code for robustness, including edge cases, usability, and general reliability

- Work on bug fixing and improving application performance

- Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Required Skills

- Experienced with front-end programming language with React JS.

- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.

- Thorough understanding of React.js and its core principles.

- Experience with popular React.JS workflows (such as Flux or Redux)

-Experience on .Net Core

-Experience in database MS SQL

About Climate Connect Digital:

Our team is inspired to change the world by making energy greener, and more affordable. Established in 2011 in London, UK, and now headquartered in Gurgaon, India. From unassuming beginnings, we have become a leading energy-AI software player, at the vanguard of accelerating the global energy transition.

In 2020, we were acquired by ReNew Power, India’s largest renewables developer. Following ReNew’s NASDAQ listing in summer 2021, Climate Connect Digital has been newly formed as a fully independent subsidiary. With backing from ReNew for an ambitious and visionary new strategy, for rapid growth.

Our mission has technology at its core and involves unlocking value by leveraging information technology and AI/ML across the energy ecosystem. However, the world is still nascent in using such technologies in the energy sector to create massive value for all stakeholders.

How do you fit in: 

As we start into our first strong growth phase, we are looking for experienced TypeScript/JavaScript developers to lead our application development efforts.

With your test-driven and clean coding approach along with your creative power, you conceive, develop, and integrate new components and applications into our products with the highest quality.

Your mission is to keep an eye on our existing products: You analyze and improve our

components and fix bugs.

Working remotely: You are independent, reliable, disciplined and are sharp when it comes to documentation & working asynchronously.

Job responsibilities:

• You have a strong TypeScript/JavaScript engineering background. You had the opportunity worked on project from conception to delivery
• You care about producing high quality solution using good engineering principles and practices
• You want to take ownership, break down and tackle real problems while bringing value to real users
• You are a great team player and communicator, you prefer over-communication rather than under-communicate
• You are a passionate technologist with the discipline to create and finish projects. You have opinions about your favorite open source projects, or perhaps you have contributed to some or started one of your own

Job requirements:

• 5+ years of experience building clean, maintainable, and well-tested code
• Serverless experience with AWS lambda or GCP cloud functions
• Working experience with NodeJS & React or other TypeScript/JavaScript web development frameworks
• Working experience with MongoDB or Postgres, writing efficient queries, data modeling
• Previous experience collaborating on highly distributed teams
• Previous experience working within an Agile/Scrum environment

What’s in it for you:

• We offer competitive salaries based on prevailing market rates. In addition to your introductory package, you can expect to receive the following benefits:
• Flexible working hours and leave policy
• Learning and development opportunities
• Medical insurance/Term insurance, Gratuity benefits over and above the salaries
• Access to industry and domain thought leaders.
• At Climate Connect, you get a rare opportunity to join an established company at the early stages of a significant and well-backed global growth push.
• We are building a remote-first organisation ingrained in the team ethos. We understand its importance for the success of any next-generation technology company. The team includes passionate and self-driven people with unconventional backgrounds, and we’re seeking a similar spirit with the right potential.

What it’s ​like to work with us:

• You become part of a strong network and an accomplished legacy from leading technology and business schools worldwide when you join us. Such as the Indian Institute of Technology, Oxford University, University of Cambridge, University College London, and many more.

• We don’t believe in constrained traditional hierarchies and instead work in flexible teams with the freedom to achieve successful business outcomes. We want more people who can thrive in a fast-paced, collaborative environment. Our comprehensive support system comprises a global network of advisors and experts, providing unparalleled opportunities for learning and growth.

Ultra Commerce is a software and hosting company. It is based in Australia with additional offices in US, UK, New Zealand & India. Ultra Commerce provides managed- hosting services for commerce applications with its cloud platform & offers its own digital commerce platform. It serves B2B & B2C both.

Role & Responsibility-

5 years’ experience in web development with a server-side language such as PHP(framework such as Laravel, Zend, CodeIgniter)

Experience in Python.

- Experience in JavaScript frameworks (especially React)
- Experience in web services, Rest API, JSON, SOAP, Linux/Unix.
- Advanced knowledge in MVC architecture and object-oriented programming
- Proven track record of delivering high-quality customer facing software solutions on time and within deadlines.
- Solid understanding of web application security
- Professional experience of version control (Git)
- Ability to estimate, design and implement development tasks in the form of writing and editing code, as well as writing and executing database queries and applying configuration changes.
- Great communication, critical thinking, problem solving, and time-management skills.
- Ability to create development tasks based on analysis of client business rules, desired functionality, and functional specs
- Mentor developers by answering questions on ongoing project related tasks.

Job Location- Gurgaon sector 39 Unitech Cyber Park

5 Days working- Work from office

http://www.ultracommerce.co">www.ultracommerce.co

Relevant experience on using tools like JSP, Servlet for web applications

· MVC frame works - Struts or Spring

· Web services- SOAP and REST WebLogic, Hibernate

· Middleware technologies MQ OSB.

· Web/App Servers: Tomcat or WebLogic or JBoss

· Experience using Angular, Micro Services using Spring, jersey, Swagger

· Good knowledge of Backend and Front-end technologies

· Good knowledge of Core Java, J2EE, Ajax, Spring, Java Script, jQuery, HTML

· Good knowledge of any RDBMS database like SQL Server, Oracle, MySQL & Cluster set-up, performance benchmarking, client-side API evaluation, knowledge of various deployment strategies

· Strong knowledge with Core JAVA concepts – Exception handling, Multi-threading, Collection, String, OOPS etc…

· Advanced understanding of Windows and Linux based operating systems

· Mainly 3-4 months hands on with reverse engineering and old legacy solutions to new modern applications

· Working knowledge using REST, HTTP, TCP, SCTP protocols

· Hands-on with JAVA frameworks such as – Thread Pool Executor, Object Pooling, Logging (Log4j preferred), XML/JSON handling

Education Criteria:

· Preferred BE degree in CS, E&C, E&E

· Proficient being a J2EE Developer (courses or project done) and data analytics skills

· Flexible to work on any projects assigned

Note: Terms & Conditions

· This opportunity will be work from office

· Reporting location - Bangalore office, Vijayanagar

§ Experience of developing web based enterprise wide applications in .NET4.5 (C#, ASP.NET), WCF, WPF, AJAX etc

§ Understanding of enterprise application development and deployment.

§ Good understanding OOPS and Design Patterns and experience of tools like Enterprise Architect.

§ Good knowledge of RDBMS design, programming and DBA concepts and experience of working in SQL Server and Oracle databases.

§ Good Design, Coding and Testing skills.

§ Knowledge and exposure to Service Oriented Architecture, Enterprise Service Bus and application Integration (using middleware).

§ Experience of working in electricity utility domain – preferably in EA/AMR/AMI/EMS/IT System Integration/ERP (for Utilities) projects

§ Mobility based software development, GPRS, GSM Knowledge of BI tools implementation.

§ Experience in mobility based applications will be an added advantage.

We are looking for a Software Developer to build and implement functional programs. You will work with other Developers and https://resources.workable.com/product-manager-job-description">Product Managers throughout the software development life cycle.

In this role, you should be a team player with a keen eye for detail and problem-solving skills. If you also have experience in Agile frameworks and popular coding languages (e.g. JavaScript).

Your goal will be to build efficient programs and systems that serve user needs. 

Technical Skills we are looking for are:

• Producing clean, efficient code based on specifications
• Coding Abilities in HTML , PHP , JS , JSP – Server let , JAVA , DevOps(basic Knowledge).
• Additional Skills (preferred) : NodeJS , Python , Angular JS .
• System Administrator Experience : Linux (Ubuntu/RedHat) , Windows CE-Embedded.
• Data Base Experience : MySQL , Posgres , Mongo DB.
• Data Format Experience : JSON , XML , AJAX , JQuery.
• Should have Depth in software Architecture Design especially for Stand-Alone Software As Product , or SaaS Platform Experience.
• Should have Basic Experience/knowledge in Micro-Services , Rest API’s and SOAP methodologies.
• Should have built some backend architecture for Long Standing Applications.
• Good HTML Design Sense.
• Experience with AWS Services like EC2 and LightSail is Preferred.
• Testing and deploying programs and systems
• Fixing and improving existing software
• Good Understanding of OOP’s and Similar Concepts.
• Research on New JS Methodologies like React Js and Angular Js

• Proven experience as a Software Developer, https://resources.workable.com/software-engineer-job-description">Software Engineeror similar role
• Familiarity with Agile development methodologies
• Experience with software design and development in a test-driven environment
• Knowledge of coding languages (e.g. Java, JavaScript) and frameworks/systems (e.g. AngularJS, Git)
• Experience with databases and Object-Relational Mapping (ORM) frameworks (e.g. Hibernate)
• Ability to learn new languages and technologies
• Excellent communication skills
• Resourcefulness and troubleshooting aptitude
• Attention to detail

• Must have strong exposure working on Java Script 
  
• Proficient in Javascript frameworks (Vue Js / React Js) is a must
• Strong understanding of REST APIs
• Have experience with common front-end development tools such as Babel, Webpack, NPM is a definite advantage
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of code versioning tools, such as GitHub
• Good to have working experience on CSS pre-processor either LESS or SASS
• Good understanding of BEM (Block, Element, Modifier) methodology