
- 6+ years of experience in Java backend development with expertise in Spring/Spring Boot and RESTful services.
- Solid grasp of Object-Oriented Programming (OOP), system design, and design patterns.
- Proven experience leading a team of engineers or taking ownership of modules/projects.
- Experience with AWS Cloud services (EC2, Lambda, S3, etc.) is a strong advantage.
- Familiarity with Agile/Scrum methodologies and working in cross-functional teams.
- Excellent problem-solving, debugging, and analytical skills.
- Strong communication and leadership skills.

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Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Location: Pune/Bengaluru
As a Senior Software Engineer, you will tackle a highly challenging role within our Cyber Security Engineering integration development team. You will be responsible for the End-to-End (E2E) delivery of projects from gathering customer requirements to deploying high-performance data exchange solutions on-prem or in the cloud. We are looking for a Systems-Level Thinker who can seamlessly transition between building complex integrations and architecting high-throughput, low-latency backends. Because each integration may require a different technical approach, we value engineers who love reskilling, following agile best practices, and maintaining an evolving mindset.
Core Responsibilities
Technical Leadership and Architecture
● Systems Engineering: Design, build, and optimize high-throughput, low-latency backend systems and data-exchange layers.
● Architecture and Integration: Participate in planning, defining, and exploring solution alternatives. Architect and estimate deep technical custom solutions and integrations across diverse enterprise tech stacks. ● Stream Processing: Implement event-driven architectures, manage backpressure, and handle real-time state management across security platforms.
● Delivery Ownership: Own projects end-to-end, defining and implementing enablers to evolve solution intent directly alongside our Agile teams.
Team Leadership and Quality
● Mentorship: Actively lead, coach, and mentor junior developers, providing technical guidance to foster professional development.
● Engineering Excellence: Oversee code reviews, build robust CI/CD pipelines, enforce strict quality checks, and ensure rigorous adherence to coding standards.
● Agile Execution: Actively participate in Agile development, including writing, breaking down, and estimating User Stories.
Customer and Stakeholder Collaboration
● Customer Delight: Maintain a strong customer-first attitude while designing, building, and deploying products.
● Technical Communication: Articulate complex technical trade-offs clearly to both business stakeholders and engineering teams.
● Pipeline Management: Manage customer relationships effectively to ensure a continuous flow of project scope, maintaining clear team backlogs.
Job Requirements
● Experience: 5+ years of proven software engineering experience, with a track record of leading small engineering teams or mentoring junior devs.
● High-Throughput Backend Focus: 5+ years of experience engineering robust, real-time backends specifically using Go (Golang) or Java.
● Polyglot and Integration Capability: Deep expertise in at least one or two additional languages/frameworks from our ecosystem: Python, TypeScript, Node.js, React.js, Angular, C#, or C++.
● Computer Science Fundamentals: Excellent knowledge of complex Data Structures, algorithms, and their correct situational usage.
● Adaptability: A passionate programmer who is genuinely open and excited to learn new software development skills as required by changing project demands.
Bonus / Added Advantages
● AI & Intelligent Automation: Hands-on knowledge of AI concepts, Large Language Models (LLMs), and experience building or integrating AI agents to automate complex workflows or security processes.
● Cybersecurity Domain: Experience in the cybersecurity space (SIEM, SOAR, or platform security).
● Modern Web Tech: Strong experience in developing software using modern web technologies.
● E2E Lifecycle: Proven background handling a project completely from discovery to cloud/on-prem deployment.
● Open Source: Active contributions to the Open Source community. (Please share your GitHub/GitLab links in your application!)
AI Engineer — Vertexcover Labs
Who We Are
Vertexcover Labs is an employee-focused, engineer-run software studio. We partner with fast-growing, funded startups around the world—Rephrase.ai, Dhiwise, Dunzo, Dubdub, Xapo, Arintra etc.—to crack their toughest engineering problems. Everyone is an individual contributor; no management layers. Engineers choose the projects they work on, see each project's P&L, and share directly in the profits.
Whether it's building multi-agent systems for production, scaling ML pipelines across GPU clusters, or shipping RAG-powered products that end-users rely on—we solve hard AI problems for real companies.
A Few Problems We Are Currently Working On
- AI Agents Test-authoring agents that convert natural language into e2e tests.
- Ad-performance agents that learn what works for your brand and generate winning creatives automatically.
- Scale + MLOps Optimise ML pipelines and fix autoscaling by applying queuing theory while juggling CPU / GPU memory contention.
- RAG & Knowledge Systems Design and deploy retrieval-augmented generation pipelines—chunking strategies, embedding models, reranking, and evaluation loops.
- AI Video & Image Processing Build rendering pipelines, diffusion-model integrations, and real-time video processing at scale. You'll own at least one project like these—design, build, iterate.
Signals You're Probably the Right Fit
- Strong in at least one other language (Python, Go, Rust, TypeScript, Java …); happy to learn more.
- First principle understanding of how LLMs, embeddings, vector databases and AI Agents work
- Evidence of shipping real AI-powered software—OSS, side projects, or production features.
- Comfortable navigating the fast-moving AI landscape—papers, new model releases, evolving APIs.
- Clear written & spoken communication; async collaboration is our default.
- Self-directed—you ask for context, not permission.
How We Operate
- Project choice. Engineers vote on which engagements we take.
- Stack agnostic. We pick tools that fit the job, not the résumé.
- Pragmatic craftsmanship. Durable design, no gold-plating.
- Transparent economics. Know what your work is worth, share in the profits.
- Remote-native. Async by default; sync when it helps.
Hiring Process (Lean & Human)
- 2–3 technical deep-dives with future teammates.
- 30-minute culture chat.
- Offer. No LeetCode marathons, no trick puzzles.
We read every application and reply to all candidates.

- Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
- 8+ years of industry experience in product development
- Experience in coaching and mentoring team members
- Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
- Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
- Must work with QA engineers to devise proper test constructs - unit testing and integration tests.
standing of Java and the different frameworks like Spring, etc., and have experience working on Cloud and Containers.
The Developer will perform duties and tasks to support a complete life cycle management (example: Analysis, Technical
Requirements, Design, Coding, Testing and implementation of Systems, etc.).
The Developer will work closely with the Product and Technical teams across different regions primarily Europe and will
be part of an Agile Team. The role includes research and Continuous Development of new Products based on new Tech-
nologies. This position collaborates with the operations team routinely and henceforth excellent English communication
skills (bothwritten and verbal) are essential.
A clean coder who will always leave the code in better shape than they found it.
A curious person who never stops learning and loves to try new things, even when theydon’t succeed on the
first try
A team-oriented developer with the motivation to bring out the best in others
A person who shares our appreciation for transparency and is willing to share theirexperience and knowledge
for the benefit of the team
Someone who is willing to take a stand for something they believe in.
Somebody that takes pride in their work and knows that development is a craftsmanship
Duties & Responsibilities
Conducts systems and requirements analysis, creates and contributes to task lists, cost and time analysis
Performs assigned functions and tasks to meet project plan and quality review requirements.
Raises issues as appropriate to support effective resolutions.
Analyzes specifications and user requirements to perform assigned applications development work.
Assists with system and componentdesigns to meet requirements.
Participates and documents design and code reviews to improve quality.
Analyzes, designs, codes, tests, and documents to develop application software.
Develops unit tests and unit test plans to deliver quality code.
Performs applications maintenance and support functions to support problem resolution.
Qualifications:
• Bachelor’s degree in Computer Science or IT related field
• 4-7 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. Java (Spring, Spring Boot, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Messaging (RabbitMQ, ActiveMQ, Kafka etc.)
f. Agile Methodologies (Scrum, TDD, BDD, etc.)
g. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
h. Data Structures and Algorithms using Java or other Programing Languages
i. Strong organizational skills
j. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Multiple Java technologies around Spring, Spring Bootetc.
c. Design Patterns and implementing the Design Patterns
d. Development of Complex Application and System Architectures
e. NoSQL Databases (Redis, Mongo, etc.)
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (NodeJS, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Application Servers like Tomcat, etc.
d. HTML5, CSS, AJAX, React
e. Full stack development
f. Secure Development based on OWASP standards
- 3 - 6 Years of Experience in Product Development - Experience in Java (8 or 11+), Spring (4+), Spring Boot (2.4+) is a must.
- Understands requirements well and comes up with an efficient design
- Develops complex, well-backed and bug-free products.
- Estimates accurately.
- Takes well-reasoned tech decisions keeping in mind goals and trade-offs
- Become a go-to person in more than one area.
- Provide technical mentoring to team
- Communicates clearly, gets clarifications, and establishes expectations for all parties
- Helps establish SDLC best practices and high standards of code quality
- Demonstrates excellent problem solving & debugging skills
- Proactively identifies and resolves issues in requirements, design, and code
Ideal Candidate Profile :
- Solid experience in Java, Spring Boot, hibernate is a must.
- Solid experience in Java Multithreading, Streams, and Lambda Functions is a must.
- Solid understanding of Apache Products.
- Should have experience in cloud computing (AWS is desired).
- Has an ability to quickly learn and contribute in multiple codebases
- Overcomes roadblocks and requires minimal oversight
- Takes initiatives to fix issues/tech debts before assigned to him/her
- Able to deep dive into the codebase and advise QA of possible regression impact
- Communicates tech decisions through design docs and tech talks
- Has delivered projects with end-to-end accountability
- Keeps track of industry trends and introduces the right tech/tools for a given job
- Excellent understanding of software engineering practices, design patterns, data structures, algorithms
- Experience in product driven organization
Role- Full time
Experience Level- 8 to 13 Years
Job Location- Hyderabad
Key Responsibilities :
Serves as a technical point of contact within the organization by:
Influencing the product requirements, behaviour and design (Automation Platform)
Driving early adoption of technology, features and best practices around product development
Lead development at all layers GUI, Backend ( DevOps Tools API integration) & DB
Work with a team of developers and testers in a highly agile environment to produce high-quality software.
Design and developing house tools. Also, expected to demonstrate new ideas through prototypes/Proof of Concepts.
Evaluate and Assess newer technologies/architecture for product development
Keeping up to date with emerging technologies/tools in DevOps Space and developments trends to assess the impact of the projects.
Must have:
Should possess Bachelors/Masters/ PhD in computer science with a minimum of 8+ years of experience
Should possess a minimum of 3 years of experience in Products/Tools Development
Should possess expertise in using various DevOps tools libraries and API's (Jenkins/JIRA/AWX/Nexus/GitHub/BitBucket/ SonarQube)
Experience in designing and developing products, tools or test automation frameworks using Java or Python technologies.
Should have a strong understanding of OOPs, SDLC (Agile Safe standards), STLC
Proficient in Python, with a good knowledge of its ecosystems (IDEs and Frameworks)
Familiar with designing and developing applications using AngularJS, HTML5, Bootstrap, NodeJS, MongoDB, etc.
Experience in implementing, consuming and testing Web services Rest APIs would be an added advantage.
Experience working as a Full-Stack developer would be an added advantage
Regards,
Talent Acquisition Team
We're building the Country's first all-in-one payment interface and to make this dream a reality, we need some night-owls to build the systems which will power such an extensive product.
The number of years do not matter as long as you have a burning desire to learn more, constantly improve yourself and solving tricky problems on a daily basis. We're a small team so you can assure yourself that whatever you contribute - in terms of engineer, or otherwise - is always heard and discussed.
In terms of what we are looking for (must haves):
- experience with building high-frequency, low-latency, distributed systems;
- a solid understanding of Node.js; and
- experience with MongoDB and any relational database (Maria, MySQL, Postgres).
In addition to that, the following will make your application better (recommended):
- an understanding of Layer 3/4;
- experience with observable systems;
- hands-on-deck service resolution;
- understanding of and experience with security and services oriented architecture; and
- experience with building fault-tolerant systems.
If you're ready to buckle up and go on a wild adventure building Infino, get in touch with us.










