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🧠 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.
Job Description
Role: Java Developer
Location: PAN India
Experience:4+ Years
Required Skills -
- 3+ years Java development experience
- Spring Boot framework expertise (MANDATORY)
- Microservices architecture design & implementation (MANDATORY)
- Hibernate/JPA for database operations (MANDATORY)
- RESTful API development (MANDATORY)
- Database design and optimization (MANDATORY)
- Container technologies (Docker/Kubernetes)
- Cloud platforms experience (AWS/Azure)
- CI/CD pipeline implementation
- Code review and quality assurance
- Problem-solving and debugging skills
- Agile/Scrum methodology
- Version control systems (Git)
About the company:
At Xenspire Technologies Pvt. Ltd., we are building People-First AI products—AI that augments human decision-making, reduces cognitive load, and earns trust through transparency, control, and reliability.
As a Lead Engineer in the Founding Engineering Team, youʼll help set the technical direction and build the core systems that everything else will run on—product architecture, engineering standards, and AI-first capabilities embedded into real workflows. This is a challenging environment: short feedback loops, meaningful ownership, and problems that donʼt come with a playbook.
If you like shipping fast, thinking deeply, and building systems that scale from day one, youʼll fit right in.
What Youʼll Do:
- Build and own core systems (web + backend + data) from scratch—designed to scale.
- Develop People-First AI capabilities: copilots, semantic search, automated workflows, and decision support—designed with guardrails, explainability, and human-in-the-loop controls.
- Drive architecture decisions: APIs, database design, eventing, caching, security basics, observability, and performance.
- Convert ambiguous business needs into clean product experiences with strong engineering discipline.
- Establish engineering standards: code quality, reviews, CI/CD, testing strategy, release readiness.
- Mentor engineers through example—this is a hands-on role, not a coordination role.
- Partner closely with founders/product/design; make trade-offs and ship outcomes, not just output.
What Weʼre Looking For:
- 2-4 years building production-grade software, ideally in product companies or high-growth startups.
- Strong expertise in Backend: Python/Java, APIs, scalability patterns Databases: PostgreSQL/MySQL + one NoSQL/search system (Elastic/OpenSearch/Vector DB is a plus)
- Proven experience building platforms/products from zero 1, then stabilizing for scale.
- Multi-tenant SaaS experience, RBAC, audit logs, and security-first design patterns.
- High ownership mindset; comfortable with ambiguity, tight timelines, and strong accountability.
- Strong communication—clear docs, crisp decisions, visible trade-offs.
Nice to Have:
- Practical AI experience (not just demos): LLM integrations, prompt/tooling patterns, evaluation, safety/guardrails RAG/semantic search, embeddings, vector stores, reranking, data pipelines
- Cloud familiarity: AWS/GCP/Azure, containers, basic infra-as-code, observability tooling.
- Experience shipping AI features with measurable quality (latency, accuracy, cost, adoption)
Python Django / React JS / React Native / Vue.js
Strong experience in backend engineering and at least one storage system (SQL, Cassandra, Graph
Databases, etc.,)
Patient debugging skills
Using state of the art developer toolkit
Curiosity to remain updated with the newest technologies and frameworks
We are a start-up based out of Bengaluru & Delhi NCR. We are engaged in development of next generation missions and technologies (NGM&T) towards future warfare needs of the Indian defence forces. It is undertaking research towards enhancing persistence and autonomy for unmanned vehicles and robotic swarms. NRT’s product development portfolio includes a solar power stratospheric high altitude pseudo satellite (HAPS) unmanned platform and an air/ground launched stand-off autonomous system.
Roles and Responsibilities:
● Collaborate with a cross-disciplinary team to design and implement novel AI solutions
● Research state-of-the-art modelling and training techniques
● Propose, prototype, and validate hypotheses to lead our business and product roadmaps
● Evaluate new technologies and innovate to improve product competitiveness
Must have Skills:
● Deep knowledge and hands-on experience of working with various AI/ML models
● Ability to choose/build optimal DNN architecture and end-to-end model delivery pipeline
● Proven track record of applying ML techniques beyond conventional supervised learning (Eg: active learning, reinforcement learning, and knowledge distillation)
● Working knowledge in the following specialized domains of Robotic Navigation or Large Language modelling is a plus
● LLM - Instruction Tuning - RAG Robot Navigation - 3D modeling - Localization - Path planning
● Good in Data-structures and Algorithms
● Well acquainted with programming using python, torch/tensorflow
● Working knowledge of ML-Ops and tools like mlflow will be a plus
● Strong analytical, written, and verbal communication skills
● Mentoring junior ML engineers Experience Masters and 8+ years of experience or PhD with 3+ years experienc
We are looking for a top-notch, ambitious and driven Unity Developer who is confident of creating world class mobile games which are played by millions of players. If you're hard-working, enthusiastic, dedicated, have fire in the belly to accept challenges, then BlackLight Games is the place for you.
Position : Unity Developer (Mobile Games)
Location : Noida (Work from Office)
Educational Qualification : B.Tech/ MCA / M.Tech / M.Sc or relevant professional experience; preferably in Computer Science.
What You Bring to the team :
- Minimum 2 years of working experience in game development
- Expert knowledge of Unity, including experience with scripting, textures
- Animation, GUI styles, user session management, physics and particle systems
- Experience of shipping out games on Android/ iOS and rolling out updates to them
- Ability to plan and estimate timelines of new features/ releases.
- Hands-on experience in optimizing games for speed, performance, and experience;
- Profiling of the game to identify cause of performance issues.
- Understanding of multithreading, async and thread safe code
- Awesome troubleshooting skills
- Strong knowledge of architectural patterns, data structure and algorithms
- Familiarity with level design and planning
- Ability to communicate effectively with both technical and non-technical parties
Extra Gems for :
- Experience of working in Product industry
- Good understanding of client/ server interaction
- Experience in working on a mobile multiplayer games on scale, will be a huge plus
- Very good understanding of Android and iOS platforms
- Open source contributions, interesting hobby projects.
Your responsibilities would include :
- As a senior unity game developer, you will be part of an Unity Dev team
- Also will be responsible with the front-end (client) side development.
- You would be sole incharge (read, owner) of client-side of one of our titles
- And would have the complete responsibility of performance of the game and timely updates to it.
- Implement new game features and services in close partnership with the Product team and the backend team
- Create, debug, maintain and optimize the game, and related in-house written libraries used for the game's development.
- Build reusable code and libraries for future use
- Offer technical solutions, innovate and improve the quality of implementation, performance and usability of the game; keeping the players in center.
- Provide guidance and mentorship to your team and take complete ownership for growth of product as well as your team.
- Be the POC to the Product team; and provide them with regular updates on the current release plan and status.
- Be on top of progress of your team with respect to current release plan at all the times always keeping in mind that Speed is of the essence.
- Write technical design documents, for milestones and internal use.
- Actively communicate with external stake-holders like Unity team, Google team, etc in case of any troubleshooting/ issues.
Why Us ?
- High Growth Startup environment
- Company sponsored courses and education material
- Lots of learning opportunities
- Work with a super-talented team of professionals
- Informal work-culture, Casual Dress Code, multiple outings and trips
- Performance Based Bonus
- Competitive Salary
- Medical Insurance for you and your family
- Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all times
Bangalore
Immediate
- Design, build and deploy effective SSIS packages to validate, synthesize, transform customer data for integrated business planning and analytics
- Understand platform’s data model (table structures, linkages, optimal designs) for designing various planning use cases
- Review and analyse the data provided by customers along with its technical/functional intent and interdependencies
- Participate in the technical design, data requirements gathering and making recommendations on best practices, in case of inaccurate or missing data
- Design and automate the data loading and insights generation process with intelligent checks and balances for sustained value delivery
- Create and execute test plans,document issues and track progress at resolving issues.
To know more about us, please visit http://www.centiro.com/">www.centiro.com
Purpose
Working at Centiro is different. Inspiring, challenging and rewarding. We are on a rapid path of expansion and are looking for talents with a passion and drive to make a difference. This is an exciting time to be joining & strengthening the team and shape the future together.
What will you do?
As an Application Specialist (AS), you are responsible for analysing customer requirements, developing and maintaining system integrations and components, including but not limited to; application to application integrations, services, internal and external API, file transfer, and/or EDI and SQL queries. AS is fully responsible for participating in requirements analysis, design, development, internal testing, and the documentation of same for the application-application integrations.
Primary responsibilities will also include understanding product architecture, design dependencies, troubleshooting existing integrations and providing technical support to the development team.
Initially you will learn how our systems function and as you progress you can decide your area of specialization. You create your path; the possibilities are limitless. We work in self-organized teams with varied skills and as an organization follows/obeys a holarchy instead of a hierarchy. In a holarchy, each person’s value comes from his or her individuality and uniqueness instead of rank or seniority.
Who are you?
You are a tech-savvy person with an interest in integrations and how the world of digital affects the modern business. Always with the customer in focus.
You are expected to try, test, learn and implement. You are encouraged to seize opportunities and continuously develop with Centiro’s robust confidence in your ability. You are spurred by continuous improvements and seeing things from a new perspective.A collaborative mindset and aptitude are more important than prestige and personal priorities. With all tasks, everyone is equal in helping each other succeed.
What we are looking for:
- Degree in computer science, engineering from reputed institute
- 2-6 years of proven experience working with system integrations and worked with SQL, MS .Net, Database- MS SQL / Oracle, SQL Server Management Studio, Web services, SFTP
- Working Knowledge of different file formats like IFTMIN, XML, CSV, JSON
- Understands and learns the Software configuration and follows the steps to configure / implement / integrate company or 3rd party products and support client requests.
- Hands-on testing experience to validate integrations / solutions developed and implemented. Has worked with testing tools like SOAPUI/ ReadyAPI/ Postman
- Collaborate with business and technical partners to capture - understand requirements, estimate efforts, and deliver appropriate specification to drive the solutions
- Effectively communicate to management, business owners, and customer stakeholders as well as working closely with software developers.
- Able to define project requirements and manage/Lead small projects independently
- Proven problem-solving and troubleshooting skills and be able to organize their own workload by staying agile and responsive to team needs. Knowledge of JIRA, BMC remedy, Service Now.
Good to have :
- Working knowledge of Supply chain and logistics domain / supply chain ERP - solutions
- Exposure to release cycle, Power BI , Graylog, Grafana
- Experience working with Label scripting in languages like zebra and mark point
- Knowledge of C# , VB script
You will begin in an individual contributor’s role, working in a team of go-getters to help spread the Byju’s way of Learning in your city. You would be showcasing the unique Byju’s way of Learning to students and parents and will be responsible for mentoring and sales in your designated zone.
Preferred Skill Sets:
• Having a keen interest and deep understanding of the Indian education sector.
• Interested in mentoring and guiding students.
• Having a knack for sales
• Good interpersonal and presentation skills.
Academic Qualification: Any Graduation/ Post Graduation (Completed in or before 2020)
CTC (BDT): INR 300000 PA fixed pay+ INR 200000 PA performance pay
CTC (BDA): INR 1000000 (7 lakh fixed pay + 3 lakh performance pay) (After Successful
completion of training)
Working Days: Wednesday to Sunday (Week off: Monday and Tuesday)
Age: Not more than 29 years of age
If interested, fill this form(mandate): https://forms.gle/XHZHYerf1CHrQ5TX8" target="_blank">https://forms.gle/XHZHYerf1CHrQ5TX8











