Java Developer

Job Title: Backend Engineer – Python / Golang / Rust

Location: Bangalore, India

Experience Required: Minimum 2–3 years

About the Role

We are looking for a passionate Backend Engineer to join our growing engineering team. The ideal candidate should have hands-on experience in building enterprise-grade, scalable backend systems using microservices architecture. You will work closely with product, frontend, and DevOps teams to design, develop, and optimize robust backend solutions that can handle high traffic and ensure system reliability.

Key Responsibilities

• Design, develop, and maintain scalable backend services and APIs.

• Architect and implement microservices-based systems ensuring modularity and resilience.

• Optimize application performance, database queries, and service scalability.

• Collaborate with frontend engineers, product managers, and DevOps teams for seamless delivery.

• Implement security best practices and ensure data protection compliance.

• Write and maintain unit tests, integration tests, and documentation.

• Participate in code reviews, technical discussions, and architecture design sessions.

• Monitor, debug, and improve system performance in production environments.

Required Skills & Experience

• Programming Expertise:

• Advanced proficiency in Python (Django, FastAPI, or Flask), OR

• Strong experience in Golang or Rust for backend development.

• Microservices Architecture: Hands-on experience in designing and maintaining distributed systems.

• Database Management: Expertise in PostgreSQL, MySQL, MongoDB, including schema design and optimization.

• API Development: Strong experience in RESTful APIs and GraphQL.

• Cloud Platforms: Proficiency with AWS, GCP, or Azure for deployment and scaling.

• Containerization & Orchestration: Solid knowledge of Docker and Kubernetes.

• Messaging & Caching: Experience with Redis, RabbitMQ, Kafka, and caching strategies (Redis, Memcached).

• Version Control: Strong Git workflows and collaboration in team environments.

• Familiarity with CI/CD pipelines, DevOps practices, and cloud-native deployments.

• Proven experience working on production-grade, high-traffic applications.

Preferred Qualifications

• Understanding of software architecture patterns (event-driven, CQRS, hexagonal, etc.).

• Experience with Agile/Scrum methodologies.

• Contributions to open-source projects or strong personal backend projects.

• Experience with observability tools (Prometheus, Grafana, ELK, Jaeger).

Why Join Us?

• Work on cutting-edge backend systems that power enterprise-grade applications.

• Opportunity to learn and grow with a fast-paced engineering team.

• Exposure to cloud-native, microservices-based architectures.

• Collaborative culture that values innovation, ownership, and technical excellence.

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 

Job Description:

We are looking for a skilled and enthusiastic Java Developer to join our development team. The ideal candidate should have solid experience in Java and should also be familiar with Kotlin for backend development. You’ll be responsible for designing, developing, and maintaining high-performance, scalable applications.

Key Responsibilities:

• Design, develop, and maintain efficient, reusable, and reliable Java code.
• Work on Kotlin-based backend applications as per project requirements.
• Develop RESTful APIs and backend services.
• Ensure the best possible performance, quality, and responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Participate in code reviews and contribute to team knowledge sharing.

Wissen Technology is hiring for Java Tech lead

Required:

• 8-10 years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

• 7+ years of experience in IT
• Demonstrable expertise in Golang development services, including a deep understanding of its syntax, advanced features, and standard library
• Familiarity with Go routines and channel patterns, as well as experience in writing high-performance Go code
• Solid grasp of web development fundamentals, including HTTP/HTTPS protocols, RESTful API design, data structures, and WebSockets
• Experience with designing and implementing microservices in Go and an understanding of containerization and orchestration technologies like Docker and Kubernetes

Total experience Required: 7+ Years
Responsibilities:

• Develops ServiceNow software solutions using JavaScript, Web Services, MYSQL, XML, JSON
• Configuration Management (CMDB)
• Analyze system performance issues and determine performance enhancements
• Administration of Knowledge Base and Service Catalog
• Configure out-of-the-box workflows and create/maintain custom workflows
• Configure application related fields, forms, views, email notifications, acceptance roles and access controls
• Integrate ServiceNow application(s) with third party systems/applications via APIs
• Provides input to staff involved in writing and updating technical documentation such as user manuals
• Prepares reports on analyses
• Under general direction, independently develops, maintains and extends a stable production, development and testing middleware infrastructure while extending the functionality and enabling developers to use it via mentoring and formal training
• Independently develops, modifies, and implements moderately to highly complex information systems that are thorough and accurate and conform to MST standards
• Codes, tests, debugs, and documents assignments of moderate to high complexity
• Independently researches and resolves more complex technical problems
• May serve as project manager or team lead on complex projects
• Based on customer requirements, formulates/defines systems scope and objectives
• Researches, develops, codes or modifies architecture components that are well designed, efficient and conform to MST architectural standards
• When assuming the project manager role, manages day-to-day project-related activities for projects of moderate to high complexity
• Work with multiple business owners to move forward development and enhancements around the core ITSM applications including Incident, Change and Request in a Domain separated instance of ServiceNow

Qualifications for ServiceNow developer:

• Ability to set up data security via control rules, domain separation 
• Bachelor of Science in Computer Science, a similar technical discipline, or comparable industry experience
• Minimum 3 years of experience supporting the implementation, configuration, and/or development of the ServiceNow tool

Key Responsibilities :

1. Work closely with client and team and understanding the requirement, design, analyze and do the code changes

2.Helping team and client to resolve issues

3.Should able to handle day to day activity like team management, daily meeting

Technical Experience :

- Net development work experience

- Proficiency in NET Development with Net Core.

- Strong object-oriented programming OOPS design skills, SOLID principles and proficiency in software design patterns

- Experience in database MS SQL Server, No SQL

- Solid understanding of Microservices

- Good understanding Azure, Docker and Kubernetes

- Experience with version control systems GitHub and Bitbucket

Professional Attributes :

1.Should have good communication Skills

2.Should be good team player

3.Should be able to work independently and under pressure

4.Should have good logical and analytical thinking

• Bachelor's degree in Computer Science or a related field with 2-5 years hands-on experience with Java based open source tech stack
• Expertise in Core Java, Data Structures, J2EE with proven expertise in Spring MVC, Spring boot, Microservices architecture, Web Services (Rest) in distributed systems
• Practical experience with MySQL and /or NoSQL databases like Couchbase, DynamoDB, Cassandra
• Practical experience with Caching frameworks Memcached/Redis, Message Queues (JMS, RabbitMQ)
• Practical hands-on experience in JavaScript UI preferred
• Experience in building high performance, high availability REST APIs and REST clients
• Expertise with log file analysis using one or more of ELK, or Splunk
• Prior experience with CI/CD, Container architecture - Docker/Jenkins and build scripts Maven/Ant
• Prior experience in transformation to cloud platforms is preferred
• Experience with Kafka is a definite plus
• Experience with building analytics pipeline and analytics DB is a plus
• Strong practical experience in applying design patterns, multithreading concepts to solve complex problems, strong problem solving skills