UI/UX Freelance designer

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

We are seeking a talented and enthusiastic Flutter Developer with intermediate-level expertise to join our team. The ideal candidate will have experience in building cross-platform mobile applications and be proficient in API integration and state management. You will work on exciting projects, creating high-quality, responsive, and scalable mobile applications using Flutter.

Responsibilities:

• Mobile App Development:
• Build and maintain cross-platform mobile applications for iOS and Android using Flutter.
• Write clean, reusable, and maintainable code that adheres to Flutter best practices.
• API Integration:
• Integrate RESTful APIs seamlessly into Flutter applications.
• Handle asynchronous operations, data fetching, and error handling efficiently.
• Use tools like Postman or Swagger to test APIs before integration.
• State Management:
• Implement and manage application state using state management libraries like Provider, Riverpod, Bloc, or similar.
• Optimize app performance by efficiently managing state transitions and updates.
• UI/UX Development:
• Create visually appealing and responsive user interfaces based on designs provided (e.g., Figma, Sketch, or Adobe XD).
• Ensure consistent branding, theming, and animations for a smooth user experience.
• Debugging and Testing:
• Debug and troubleshoot issues across different devices and platforms.
• Write unit tests and integration tests to ensure app reliability.
• Collaboration:
• Work closely with backend developers, UI/UX designers, and project managers to deliver high-quality products.
• Participate in code reviews and team discussions to improve development processes.

Skills and Qualifications:

• Flutter Expertise:
• Experience in building and deploying mobile applications using Flutter and Dart.
• Knowledge of Flutter widgets, layouts, navigation, and animations.
• API Integration:
• Hands-on experience in integrating RESTful APIs and managing API responses (JSON).
• Knowledge of HTTP libraries like http or Dio.
• State Management:
• Experience with state management solutions such as Provider, Riverpod, Bloc, or GetX.
• UI/UX Skills:
• Ability to build pixel-perfect designs based on UI/UX wireframes.
• Experience in theming, dark mode, and responsive layouts.
• Proficient in Version Control:
• Familiarity with Git for version control and collaborative development.
• Good Understanding of the Mobile Development Lifecycle:
• Knowledge of deploying apps to Google Play Store and Apple App Store.

Nice-to-Have Skills:

• Knowledge of Firebase (Firestore, Authentication, Cloud Messaging).
• Experience with local storage solutions like SharedPreferences or Hive.
• Familiarity with CI/CD pipelines for Flutter apps.
• Basic understanding of backend technologies to collaborate better with backend teams.

Experience:

• 1-3 years of experience in Flutter development or a related role.

Strong problem-solving capabilities and able to independently think through a challenge.

Demonstrated ability to learn new technology quickly

Every project can be different, and there may not be a “template” to work off of. Need someone who can be resourceful and has a “figure it out” attitude

2+ years of experience in Salesforce or other development

BS/MS in Computer Science, Engineering, or related years of experience and technical skills

Salesforce certifications preferred, e.g. Certified Salesforce Administrator, Certified Salesforce Platform App Builder, Platform Developer II

Experience in Salesforce CRM app development with strong expertise in Sales Cloud, Service Cloud, and / or Force.com at an enterprise level

Experience with SFDC Administrative tasks like creating Profiles, Roles, User Security Models, Page Layouts, Email Services, Dashboards, Tasks, and Events

Experience with Lightning Components, Design System, APEX Classes, Process Builder, Triggers, Visualforce, Approval Processes, Aura, and Flow

Verify and validate complete end-to-end testing with the business and client/carrier

Expert knowledge of Object-Oriented programming

Experience with database design concepts and use of SOQL, SOSL, and SQL

Experience with Salesforce API and Web Services (REST/SOAP/Bulk)

Experience with environment management, release management, code versioning, deployment methodologies, and CI/CD tools

Utilize strong written and oral communication skills to regularly update stakeholders on project status, e.g. project phase, issues/roadblocks, go-live dates, etc.

• Communicating with hiring managers to identify future job openings and the technical requirements for those jobs.
• Writing job descriptions and posting to relevant media platforms.
• Screening applicants for competency with the job requirements.
• Arranging telephone, video, or in-person interviews.
• Performing background and reference checks.
• Presenting the resumes of the most suitable candidates to the hiring manager.
• Offering job positions and completing the relevant paperwork.
• Keeping track of all applicants as well as keeping applicants informed on the application process.
• Forecasting recruitment budgets.

Senior Node JS developer

Job Description

- Working experience in Nodejs, MySQL, Postgres SQL

- Good knowledge of designing and writing restful API

- Working experience of GIT

- Will prefer candidates who have knowledge of GraphQL, Typescript

 - Well-versed and experienced with unit testing, code coverage.

- Well versed with SOILD design principles and their application

- Knowledge of AuthO, typeORM required

- Good to have – some experience with Azure DevOps and/or azure functions.

-Working experience on Docker- good to have

This profile will include following responsibilities:

– Provide First Level of Support to Enterprise Customers

– Understand and Respond to Client Queries/Service Request

– Report Application Bugs to the Development Team and Follow-up

– Install Product Upgrades on the client premises/Cloud environment

– Follow Product Deployment Process

– Provide Product Demos and Trainings to Clients/Team Members

– Maintain Support Tickets on the Service Desk

– Write Scripts to automate installation tasks or other manual tasks

Responsibilities

• Develop a growth strategy focused both on financial gain and customer satisfaction
• Conduct research to identify new markets and customer needs
• Arrange business meetings with prospective clients
• Promote the company’s products/services addressing or predicting clients’ objectives
• Prepare sales contract ensuring adherence to law-established rules and guidelines
• Keep records of sales, revenue, invoices etc.
• Provide trustworthy feedback and after-sales support
• Build long-term relationships with new and existing customers
• Develop entry level staff into valuable salespeople 

Requirements

• Proven working experience as a business development manager, sales executive or a relevant role
• Proven sales track record
• Experience in customer support is a plus
• Market knowledge
• Communication and negotiation skills
• Ability to build rapport
• Time management and planning skills
• Bachelor degree in any domain
• He has experience of at least of 3 years filed of banking, insurance and microfinance.

About Armentum

We are an IT Services and Product Development company, headquartered in Bangalore, that develops ERPs, Mobile Apps, and Web-Apps for our clients and customers globally.

We love JS and working on React, Node and Angular!

At Armentum, we have ensured that our teams are stable, there is no politics and no-blame game culture. If something goes down, the PM's take the lead, and then they drill down on what can be improved v/s who did the mistake etc. So culture wise, we are also looking for resources who can gel well with us. We do not believe in passing on the hot-potato. :)

Our Engineering team is looking for a Full-Stack Engineer to join our base in Bangalore, KA. Your key role will be able to work on complex tasks and projects, and be able to support to increase the engineering churn out. You should be able to write code that is error free, be able to quickly understand the problem statement and come up with logical solutions.

What you bring to the table:

• Experience in independently managing End-to-End Implementation, Design and Development of IT Projects and Products (Apps and Web-Apps)
• Experience converting Business Cases to Technology case and Building Products from scratch
• Experience in Training team and grooming them, undertaking managerial tasks such as Quarterly Skills Meeting, and Profile Evaluation, GAP Analysis
• Experience in Providing inputs to Project Budgeting, Efforts Estimations (EE), Technology Decks,
• Experience in Writing Test Cases and Managing UAT and Deployment Cycle (Automation Testing)
• Working with Client to understand provide Consulting or Business Solutions, Problem Solving Approach and Skills, Strong Analytical Skills, should be able to read between the lines
• Interacting with the Technical/Engineering team to ensure Delivery and Implementation of the Software Solution/Projects
• Client Relationship Management, Excellent at English Speaking, and Written Communication
• Understanding of Change Management, Risk Management and Project Management
• Experience working with US Clients is a Must
• Experience and Exposure working with different projects and business models will be an advantage
• Understanding of Blockchain, Healthcare, HIPAA Compliances, RPA, Payments Services, DevOps will be an asset

Management and Soft Skill :

• Excellent Written and Oral Communication Skills and Etiquettes - MUST
• Excellent Presentation Skills -
• Experience in working with Onshore and Offshore Teams and Experience handling Cross-Functional Projects, Resources and Clients and ability to provide inputs to improving ODCs (Off-shore development centres)
• Experience dealing with Pressure and Meeting strict Project Deadlines - MUST
• Leadership and Motivational Skills to ensure the Work is being done by the Resources on time and within the specified budget - MUST
• Conflict and Resolution Management – MUST

Qualifications:

• 7 -10 years of overall experience
• Experience of working on Mobile & Web Applications (across Android & iOS)
• Strong understanding of Java & MERN/ MEAN stack - Angular/Node/React/ Vue
• Ability to create APIs in REST, and GraphQL understanding of JSON, XML, Websockets, SOAP, COBRA
• Good to have experience of Office 365 - SharePoint and ASP.Net
• Understanding of Database: MySQL, MongoDB, Oracle, PostGres
• Understanding of Project Management: Agile/Scrum, Waterfall both is fine
• Previous experience of working in FinTech, eCommerce, Enterprise Projects, C2C, B2C, B2B Apps will be an added advantage

CartX is a small, fast-growing, and remote-first company. We are a high converting one-page checkout and post-purchase one-click upsell for thriving eCommerce stores. We are looking for a Senior Software Engineer to join our mission and work on our ambitious product roadmap. Ideal candidates have a solid technical background on complex systems.

→ What you will be doing:
– Solve engineering problems that affects hundreds of customers
– Develop and launch end-to-end new key features
– Take ownership and responsibility of challenging tasks
– Interact and collaborate with the team
– Research, innovate and propose new ideas that can lead to new projects
– Play an important role by shaping our company’s best practices and culture
– Learn fast and adapt quickly

→ Required
– 5+ years of experience as a Software Engineer
– Experience on LAMP
– Experience on Bitbucket
– Knowledge on API’s such as Twilio, Stripe and others
– Great communications skills
– Fluent in English (written and speaking)

→ What We Offer
- Work remotely from home or any co-working space
- Work with a top-notch engineering team
- Unlimited vacation policy
- Ownership and autonomy over exciting tasks
-  Be part of an exciting fast-growing startup