
Must have very good experience in Java development.
Must have a very good understanding of data structure & algorithms.
Must be very good at coding & problem solving skills.
Must be very good in multithreading, Collections, OOPS concepts.
Good to have experience in Java 8.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Roles & Responsibilities
What You'll Do
• Design and build the core Node.js services and REST APIs from scratch, built to scale as we grow.
• Own system design end to end: service boundaries, data flow, caching, queueing, failure modes, and scale.
• Ship AI/ML-powered features, including LLM and agentic capabilities.
• Use LLMs and agentic tooling across the SDLC, from design and code generation to testing and debugging.
• Model data and optimize SQL/NoSQL queries for performance; integrate with third-party platforms.
• Debug production issues, own reliability, and set the engineering standards the rest of the team will grow into.
Ideal Candidate
1.Strong Backend Node.js Developer Profile
2.Mandatory (Experience 1) – Must have 6+ years of hands-on Backend Engineering experience using Node.js building production-grade systems for B2C products at meaningful consumer scale
3.Mandatory (Experience 2) – Must be AI-native in their own engineering workflow: already uses LLMs and agentic tooling across the SDLC, from design and code generation through testing and debugging
4.Mandatory (Experience 3) – Must have owned backend architecture end to end, including greenfield builds. Should be able to make early architecture calls and reason clearly about service boundaries, data flow, caching, queueing, failure modes, scalability, and reliability trade-offs under real constraints.
5.Mandatory (Experience 4) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices
6.Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems and third-party platforms
7.Mandatory (Experience 6) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling, query optimization, and performance tuning
8.Mandatory (Company) – Must have worked in B2C product companies / startups at meaningful consumer scale. (WealthTech, FinTech, or high-growth consumer product background is highly preferred)
9.Mandatory (Stability) – Must have a stable career history, with consistent tenure across previous companies; frequent job-hopping will not be considered
10.Mandatory (AI Product) – Must have experience building and shipping products that use LLMs and agentic workflows to end users.
11.Mandatory (Compensation Alignment) – Candidate must be comfortable with the compensation structure where the company matches their current CTC and provides ESOPs, without any salary hike.
12.Mandatory (Exclusion) – Candidates currently working at Stable Money will not be considered
13.Mandatory (Note1) – Seed-funded WealthTech startup. Candidate must be comfortable in an early-stage, fast-paced environment with shifting priorities
14.Mandatory (Note2) – Founding tech team role. Work from office, 6 days a week. Candidate must be willing to own the backend end to end and set engineering standards
15.Preferred (College) – Tier1 engineering college is a plus plus
16.Preferred (Note) – Previous founding engineer or early-team startup experience is a plus.
About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment. We're seeking an experienced Backend Software Engineer to join our team. As a backend engineer, you will be responsible for designing, developing, and deploying scalable backends for the products we build at NonStop. This includes APIs, databases, and server-side logic.
Responsibilities:
● Design, develop, and deploy backend systems, including APIs, databases, and server-side logic
● Write clean, efficient, and well-documented code that adheres to industry standards and best practices
● Participate in code reviews and contribute to the improvement of the codebase
● Debug and resolve issues in the existing codebase
● Develop and execute unit tests to ensure high code quality
● Work with DevOps engineers to ensure seamless deployment of software changes
● Monitor application performance, identify bottlenecks, and optimize systems for better scalability and efficiency
● Stay up-to-date with industry trends and emerging technologies; advocate for best practices and new ideas within the team
● Collaborate with cross-functional teams to identify and prioritize project requirements
Requirements:
● At least 4+ years of experience building scalable and reliable backend systems
● Strong expertise in NodeJS/NestJS, Express, PostgreSQL
● Experience with microservices architecture and distributed systems
● Proficiency in database design (SQL and NoSQL)
● Knowledge of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines
● Deep understanding of design patterns, data structures, and algorithms
● Hands-on experience with containerization technologies like Docker and orchestration tools like Kubernetes
● Exceptional communication and leadership skills
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to effectively lead and maintain a collaborative team environmen
● Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack (Java, Node, Python etc)
● Comfortable working with AI (Claude code, Cursor etc)
8–12 years of experience in Java application development.
Strong hands-on experience with Java, Spring, Spring Boot, and Hibernate/JPA.
Proficiency in SQL and relational databases (Oracle, SQL Server, PostgreSQL, or MySQL).
Experience in SQL query optimization, indexing, execution plan analysis, and database performance tuning.
Knowledge of REST APIs, Microservices, Maven/Gradle, Git, and JUnit.
Familiarity with CI/CD tools and Agile methodologies.
About Wissen Technology:
· The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.
· Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.
· Our workforce consists of 550+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
· Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.
· Globally present with offices US, India, UK, Australia, Mexico, and Canada.
· We offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
· Wissen Technology has been certified as a Great Place to Work®.
· Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
· Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
· The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
We have served clients across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include the likes of Morgan Stanley, MSCI, State Street Corporation, Flipkart, Swiggy, Trafigura, GE to name a few.
We are a dynamic and innovative technology company dedicated to delivering cutting-edge solutions that empower businesses and individuals. As we continue to grow and expand our offerings, we are seeking a coding fanatic, who is interested in working on and learning new technologies.
Position - Backend developer
Job type - Freelance or on contract
Location - Remote
Roles and Responsibilities:
- Plan,create and test REST APIs for back-end services such as authentication and authorization.
- Deploy and maintain backend systems on the cloud.
- Research and develop solutions for real life business problems.
- Creating and maintaining our apps' essential business logic, providing correct data processing and flawless user experiences.
- Database design, implementation, and management, including schema design, query optimisation and data integrity.
- Participating in code reviews, providing constructive input, and ensuring that code quality standards are met.
- Keep abreast of industry developments and best practices to bring new solutions to our initiatives.
Required skills and experience -
Must have skills : -
- Bachelor’s degree in computer programming, computer science, or a related field.
- 3 + years of experience in backend development.
- Proficient in Python,Mongodb,postgres/sql,Django and Flask
- Knowledge on nginx.
- C++/C +Cython for creating python modules
- Knowledge on Redis
- Familiarity with using AI provider apis and prompt engineering
- Experience in working with linux based instances on the cloud.
- Strong problem solving and verbal and written communication skills.
- Ability to work independently or with a group.
Good to have skills :-
- Experience in node.js and Java
- AWS and Google cloud knowledge.
Role & Responsibilities:
-
Handle multiple products/modules simultaneously, lead the team in development and support
-
Lead development teams
-
Daily updates to customers and Product Managers/Delivery Managers
-
Participate in design discussions
-
Design and Architect small modules
-
Effort estimations for modules, subsystems or use cases.
-
Learn new skills and mentor the new team members
-
Champion best practices within the team, including code reviews
Work Experience & Skills:
-
B.E/B.Tech or any relevant Masters degree from reputed college.
-
Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
-
Strong experience in Postgres or any SQL technology
-
Experience with working on Tomcat, Apache, JBoss or any similar application server
-
Should have 3+ years of experience in leading team.
-
Good experience in JSON / RESTful API / Web Services.
-
Experience in working on Agile methodology using Scrum and sprints
-
Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
-
Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
-
Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
-
Experience in Microservices, SpringBoot and Angular is a plus.
-
Experience with tuning deployed applications for scalability and performance.
-
Good knowledge of deployment and scripting on Linux/Unix servers
-
Strong technical documentation skills.
-
Good oral and written communication skills
1. 7 to 12-14 years of experience as a Software Developer.
2. Experience in .Net technologies - C#, ASP.net is must.
3. Experience in developing REST based APIs.
4. Experience in building web user interface.
5. Good to have experience in developing single page apps using modern JS framework.
6. Skills in cross browser development.
7. Understanding of Agile methodology.
8. Excellent trouble shooting and communication skills.
9. Knowledge of Azure will be an added advantage.
JOB DESCRIPTION -
- Developing and implementing web-based applications using .Net technology and MS-SQL.
- Developing front end with highly responsive user interface concept using React concept.
- Identifying web-based user interaction.
- Participate in requirement analysis.
- Collaborate with internal teams and positive mindset to help and seek help.
- Documentation of application development changes and updates.
TECHNICAL SKILLS
- Expert in C#, ASP.Net, Web API, MS SQL Server.
- Good to have experience in React and workflows such as Redux or Flux, MongoDB.
- Knowledge of HTML, CSS and JavaScript.
- Familiar with source control system (GIT, SVN).

Location: Chennai, Pune,Banglore,jaipurExp: 5 yrs to 8 yrs
- Implement best practices for the engineering team across code hygiene, overall architecture design, testing, and deployment activities
- Drive technical decisions for building data pipelines, data lakes, and analyst access.
- Act as a leader within the engineering team, providing support and mentorship for teammates across functions
- Bachelor’s Degree in Computer Science or equivalent job experience
- Experienced developer in large data environments
- Experience using Git productively in a team environment
- Experience with Docker
- Experience with Amazon Web Services
- Ability to sit with business or technical SMEs to listen, learn and propose technical solutions to business problems
· Experience using and adapting to new technologies
· Take and understand business requirements and goals
· Work collaboratively with project managers and stakeholders to make sure that all aspects of the project are delivered as planned
· Strong SQL skills with MySQL or PostgreSQL
- Experience with non-relational databases and their role in web architectures desired
Knowledge and Experience:
- Good experience with Elixir and functional programming a plus
- Several years of python experience
- Excellent analytical and problem-solving skills
- Excellent organizational skills
Proven verbal and written cross-department and customer communication skills
The primary responsibilities include:
- Responsible for the overall software development lifecycle.
- Management and execution against project plans and delivery commitments
- Drive effective, mature Agile practices and continuous execution improvements within your teams.
- Manage stakeholder planning and communications ensuring key outcomes
- Recruit, coach, and mentor the best engineering and management talent
- Build, coach, and manage a strong team of engineers that set the standard and can up-level the overall talent of the extended organization.
- Provide a strong understanding of native mobile developer platforms and bring broad thought leadership to the next generation mobile developer experience.
- Anticipate and aggressively remove obstacles that slow down or prevent products and programs from delivering on product and program objectives.
- Balance urgent and effective action, commitment to excellence, and taking the initiative to resolve problems; holds internal stakeholders accountable where appropriate.
REQUIRED
- 8+ years of industry experience with 2+ years of senior leadership experience.
- Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative and fast-paced high-pressure environment; proven results in delivery on platform product.
- Deep understanding of one or more of Java/Python/Scala. Ability to understand and critique the core library/language constructs with skilled knowledge on UI technologies like Angular 2+, React, D3.JS
- Working experience with Agile methodologies and durable team concepts.
- Knowledge in DevOps practices and tools.
- Knowledge in Cloud Technologies, CI/CD, Jenkins, Testing methodologies is preferred.
- Experience in server-side services using ElasticSearch, Kafka
- A strong track record of project delivery for large, cross-functional, projects and bringing in and growing engineering talent
- Excellent written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
About NetElixir:
NetElixir is a global digital marketing firm headquartered in Princeton, NJ. With a common goal of helping our customers and challenging ourselves to think differently, we face challenges and tackle them together as a team. We are a close-knit group of imaginative and friendly industry experts who bring our unique passions and personalities together to find creative solutions that drive results.
With offices in the US and India, NetElixir works persistently gathering, evaluating, computing, and formulating raw data and turning it into actionable insights for our customers. We work consistently to develop new technology that will improve and facilitate digital marketing efforts across the globe.
Role: Python Developer
Experience: 3 -5 Years
Company Website: http://www.netelixir.com/">www.netelixir.com
Job Description:
Your responsibilities will include understanding the needs, gathering and prioritizing requirements, and working with our software development teams to design, develop and deliver new features.
- 3-5 years of experience in building web applications and product development using Python
● Experience in Python Backend development, microservice API development using Flask and/or Django
● Experience in SQL and No SQL databases
● Experience in AWS cloud services
● Working knowledge in Unit testing with pytest, Git (versioning, branching, etc..), CI-CD
● Collaboration with technical teams and product stakeholders to ensure design and
implementation is aligned with business requirements
● Perform design and code reviews to ensure products meet our quality standards
● Assist in the education and development of junior team members to ensure progression and
improvement.
● Good hands-on experience in debugging application issues
● Work experience in developing and deploying AI/ML models (additional advantage)
● Exposure to Digital Marketing Domain (additional advantage)
- PHP Developer Exp 6 + Years Openings:
- Candidate should have excellent communication skill.
- Object-oriented programming in PHP.
- Front-end technologies such as JavaScript, HTML, and CSS.
- Complex SQL queries and database schema design.
- MVC frameworks (Laravel, Yii2, Any Framework).
- Working in a collaborative team environment using tools like JIRA and Git.
- Consuming and creating web services.
- Stable work history and an ability to collaborate effectively.
- Demonstrable knowledge of web technologies including HTML, CSS, Javascript, AJAX, MYSQL,JQuery,Bootstrap ,Web services etc..
- Consuming and creating web services.
- Stable work history and an ability to collaborate effectively. ,









