
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai 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 to 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. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ 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 offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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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Required Experience: 10–15 years (with at least 3–5 years in leadership roles)
● 10–15 years of overall experience in backend engineering, with strong exposure to
Python and/or Golang.
● 3–5 years of experience managing engineering teams.
● Proven experience delivering large-scale, distributed systems in production
environments.
● Strong understanding of microservices, cloud-native architecture, and DevOps
practices.
● Hands-on background in backend engineering (able to guide teams technically, even
if not coding daily).
● Familiarity with CI/CD pipelines, observability, and performance optimization.
● Experience in financial services or high-transaction domains is a plus.
● Experience leading teams that have utilized AI-driven development practices (e.g.,
agentic coding, LLM integration) to improve productivity and innovation is a
significant advantage.
Skills
● Excellent leadership and people management abilities.
● Strong communication and stakeholder management skills.
● Ability to balance technical depth with business priorities.
● Problem-solving mindset with a focus on delivery and impact.
● Passion for building engineering culture and improving developer experience.
Job Description:
• Experience in Python (Only Backend), Data structures, Oops, Algorithms, Django, NumPy etc.
• Notice/Joining of not more than 30 days.
• Only Premium Institute- Tier 1 and Tier 2.
• Hybrid Mode of working.
• Good understanding of writing Unit Tests using PYTest.
• Good understanding of parsing XML’s and handling files using Python.
• Good understanding with Databases/SQL, procedures and query tuning.
• Service Design Concepts, OO and Functional Development concepts.
• Agile Development Methodologies.
• Strong oral and written communication skills.
• Excellent interpersonal skills and professional approach Skills desired.

Job Details:
- Role: Senior Staff Engineer
- Experience: 7.5-9 Years
- Employment Type: Full-time
- Work Mode: Remote
Job Description
REQUIREMENTS:
- Strong hands-on experience in Java and Python
- Expertise in Microsoft Azure AI/ML services
- Experience with LLM application frameworks (LangChain, LangGraph, or similar)
- Strong experience in API development and system integration
- Experience building backend systems and scalable architectures
- Solid understanding of data structures, system design, and distributed systems
- Familiarity with cloud-native deployments, CI/CD, and observability tools
- Experience with LLM tools/providers and AI-assisted development (Good to Have)
- Strong problem-solving and communication skills
RESPONSIBILITIES:
- Design and develop autonomous AI agents capable of multi-step reasoning and decision-making
- Build and orchestrate agent workflows using modern frameworks (LangChain, LangGraph, etc.)
- Integrate AI agents with APIs, databases, and SaaS platforms for end-to-end automation
- Develop prompt engineering strategies, memory architectures, and tool integrations
- Deploy, monitor, and maintain AI agents in production environments
- Optimize agents for performance, scalability, latency, and cost efficiency
- Debug and improve agent behavior using testing, logging, and feedback loops
- Collaborate with cross-functional teams to embed AI solutions into business workflows
- Write clean, scalable, and production-ready backend code
- Stay updated with emerging AI/LLM trends and agent frameworks
Qualifications
Bachelor’s or master’s degree in computer science, Information Technology, or a related fields
About us
Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behavior to scan applications for 8300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.
Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities.
We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.
Role Overview
As an SDE 2 Back-end Engineer at Astra, you will play a crucial role in the development of a new vulnerability scanner from scratch. You will be architecting & engineering a scalable technical solution from the ground-up.
You will have the opportunity to work alongside talented individuals, collaborating to deliver innovative solutions and pushing the boundaries of what's possible in vulnerability scanning. The role requires deep collaboration with the founders, product, engineering & security teams.
Join our team and contribute to the development of a cutting-edge SaaS security platform, where high-quality engineering and continuous learning are at the core of everything we do.
Roles & Responsibilities:
- You will be joining our Vulnerability Scanner team which builds a security engine to identify vulnerabilities in technical infrastructure.
- You will be the technical product owner of the scanner, which would involve managing a lean team of backend engineers to ensure smooth implementation of the technical product roadmap.
- Research about security vulnerabilities, CVEs, and zero-days affecting cloud/web/API infrastructure.
- Work in an agile environment of engineers to architect, design, develop and build our microservice infrastructure.
- You will research, design, code, troubleshoot and support (on-call). What you create is also what you own.
- Writing secure, high quality, modular, testable & well documented code for features outlined in every sprint.
- Design and implement APIs in support of other services with a highly scalable, flexible, and secure backend using GoLang
- Hands-on experience with creating production-ready code & optimizing it by identifying and correcting bottlenecks.
- Driving strict code review standards among the team.
- Ensuring timely delivery of the features/products
- Working with product managers to ensure product delivery status is transparent & the end product always looks like how it was imagined
- Work closely with Security & Product teams in writing vulnerability detection rules, APIs etc.
Required Qualifications & Skills:
- Strong 2-4 years relevant development experience in GoLang
- Experience in building a technical product from idea to production.
- Design and build highly scalable and maintainable systems in Golang
- Expertise in Goroutines and Channels to write efficient code utilizing multi-core CPU optimally
- Must have hands-on experience with managing AWS/Google Cloud infrastructure
- Hands on experience in creating low latency high throughput REST APIs
- Write test suites and maintain code coverage above 80%
- Working knowledge of PostgreSQL, Redis, Kafka
- Good to have experience in Docker, Kubernetes, Kafka
- Good understanding of Data Structures, Algorithms and Operating Systems.
- Understanding of cloud/web security concepts would be an added advantage
What We Offer:
- Adrenalin rush of being a part of a fast-growing company
- Fully remote & agile working environment
- A wholesome opportunity in a fast-paced environment where you get to build things from scratch, improve and influence product design decisions
- Holistic understanding of SaaS and enterprise security business
- Opportunity to engage and collaborate with developers globally
- Experience with security side of things
- Annual trips to beaches or mountains (last one was Chikmangaluru)
- Open and supportive culture
About the role:
You will own a functional area - from product conception to its delivery to customers. You are expected to design and code independently in multiple tech components related to your functional area. You must also develop a deep understanding of non-functional requirements, such as reliability and availability, scale, horizontal scalability, etc. over time to make tech stack decisions accordingly. You are expected to actively mentor junior engineers. You own
the codebase quality.
We are looking for seasoned engineers who are quality-conscious, product thinkers, business cognizant and smart. Engineers get to significantly amplify the impact of their work or creations with scale. The scale also demands that engineers to produce super-efficient solutions.
What you’ll do
- Strong experience with Java 8, Spring and Spring Boot, Spring MVC, Spring Data,
- Working experience in Microservices
- Version Control: Git
- Strong understanding of functional/reactive programming, OOP, design
- Experience with Docker and Kubernetes.
- SDLC: Working experience in Agile methodology
- Strong interpersonal skills and time management skills
What you’ll need
- B.Tech or M.Tech equivalent with at least 3 years of experience
- Deep expertise in at least one programming language & tech stack.
- Strong object-oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class-level interfaces
- Experience in building data-driven web application design and development is a plus
- Good understanding of multiple tech solutions and ability to pick the correct one for the given situation
- Prior work experience in an agile environment or continuous integration and continuous delivery (CI or CD)
- Ability and experience in designing high-level software designs of the scalable system, taking NFR (non-functional requirement) into consideration
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Responsibilities:
Develop new back-end features in one Python/Java/Go
Collaborate with key stakeholders across different stages of the SDLC
Deliver high quality code and lead validation of the developed features
Skills and Qualifications:
5+ years of working experience in backend software development
Bachelor’s degree in Computer Science
Solid foundation in data structures, algorithms and software design
Strong analytical and debugging skills
Proficiency in one of Python/Java/Go
Hands on experience on big-data technologies such as Apache Spark, Kafka, Cassandra etc
Familiarity with agile practices
About Araali:
Araali Networks is a SaaS based cybersecurity startup that has raised a total of $10M from well known investors like A Capital, Firebolt Ventures and SV Angels, and and through a strategic investment by a publicly traded security company.
The company is disrupting the cloud firewall market by auto-creating nano-perimeters around every cloud app. The Araali solution enables developers to focus on features and improves the security posture through simplification and automation.
The security controls are embedded at the time of DevOps. The precision of Araali controls also helps with security operations where alerts are precise and intelligently routed to the right app team, making it actionable in real-time.
Hiring Java Architects/ Tech Leads with expertise in Microservices, and Spring Framework. Experience of 8-10 yrs.
Notice Period - immediate to 45 days joiners only
Location - Bangalore and Chennai
Required Skills
- As a Senior Core Java Developer, you will have a range of responsibilities from shaping and implementing strategic products to ensuring that company stays on the leading edge of technology
- You will have generic capabilities across application development stack and strong technical expertise in one / two application layers
- Excellent working knowledge of the following technologies:
- Implementation exp (hands-on) on Server Side Java technologies (Core Java, Multithreading, Concurrent API’s, Executor services, collections, concurrent packages, DS/Algo, design patters/principles, basic data case, Junit/agile)
- Design Patterns
- SQL and Relational Databases such as DB2
- Hands-on experience on Spring and Hibernate










