Application Middleware Developer

WHAT YOU'LL WORK ON

• Design and implement scalable APIs and microservices using Node.js & Express
• Manage deployments via GitHub Actions and CodeDeploy; work with Docker & AWS
• Optimize MongoDB queries and use Redis caching for high-concurrency traffic
• Bridge Figma designs to backend logic using Next.js and Tailwind CSS
• Maintain monitoring with Nginx & PM2 to ensure 99.9% uptime

WHAT WE'RE LOOKING FOR

• 1+ year of professional experience building and maintaining production applications
• Deep Node.js knowledge: async programming, RESTful API architecture
• MongoDB mastery: schema design, indexing strategies, complex aggregation pipelines
• Hands-on AWS (EC2/S3 minimum) and practical CI/CD pipeline experience
• Proven ability to take a feature from PRD / Figma to stable production deployment

WHAT WILL MAKE YOU STAND OUT

• Experience maintaining apps with high concurrent user counts
• Comfortable with Nginx configs and Dockerfiles
• Hands-on with payment gateway integration (Cashfree) and webhook handling
• Obsession with maintainable, well-documented, DRY code

AI Usage Policy:

AI tools (Cursor, Copilot, GPT-4) are force multipliers — use them. But you must own your code, reason hrough architectural trade-offs, and debug without relying solely on AI.

HOW TO APPLY:

• Tell us about the most complex bug you've solved or a backend system you built from scratch
• Share your GitHub profile
• Include at least two live project links showcasing your best work
• Your code will directly impact the learning outcomes of thousands of students.

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 

Key Skills & Requirements

• Strong proficiency in Java 11 and above
• Hands-on expertise in Spring Boot and Microservices Architecture
• Strong Programming, Analytical, and Problem-Solving skills
• Proficiency with NoSQL Databases (MongoDB, Cosmos DB) and RDBMS (SQL/Oracle/Postgres)
• Experience with Messaging Queues (RabbitMQ/Kafka)
• Good understanding of Functional and Domain knowledge
• Expertise in Project Architecture & Data Flows
• Proficient in CI/CD tools (Jenkins or equivalent)
• Strong experience with Testing Frameworks: JUnit, Mockito, Cucumber, BDD
• Basic knowledge of Cloud Platforms (Azure / AWS)
• Familiarity with Project Management Tools – JIRA, Confluence, ServiceNow
• Monitoring tools knowledge like New Relic, Splunk, Nagios (good to have)

Responsibilities

• Design, develop, and maintain scalable backend applications using Java 11+ and Spring Boot
• Build and manage microservices-based solutions ensuring high performance and low latency
• Collaborate with cross-functional teams to define, design, and ship new features
• Implement best practices for CI/CD pipelines and automate deployment workflows
• Ensure code quality through unit testing, integration testing, and BDD practices
• Work with databases (SQL/NoSQL) for data modeling and optimization
• Monitor, troubleshoot, and enhance system performance using tools like Splunk, New Relic, Nagios
• Provide technical guidance and mentorship to team members

Experience:4-7years

Package: Exp- 3.5X max

Location: Hyderabad Location (WFO)

Skillset: Java developer with spring boot and microservices

Note: If you get selected you need to come and work in the office Hyderabad location

Primary Responsibilities

• Design, architect and develop advanced software solutions in a cross functional Agile team supporting multiple projects and initiatives
• Collaborate with product owners and/or the business on requirements definition, development of functional specifications, and design
• Collaborate on or lead development of technical design and specifications as required
• Code, test and document new applications as well as changes to existing system functionality and ensure successful completion
• Take on leadership roles as needed

Skills & Requirements

• Bachelor’s Degree required, preferably in Computer Science or related field
• 3+ years of software development experience using GoLang/Java programming language
• Experience with cloud technologies (AWS/Azure/GCP/Pivotal Cloud Foundry/any private cloud) and containerization is required
• Experience with a micro-services architecture is a plus
• Excellent communication, collaboration, reporting, analytical and problem solving skills
• Experience with PostgreSQL or other Relational Databases
• Test-driven development mindset and a focus on quality, scalability and performance
• Strong programming fundamentals and ability to produce high quality code
• Solid understanding of Agile (SCRUM) Development Process required

Diagnal Technologies is a fully owned subsidiary of Diagnal Inc, Hong Kong.  It’s a product company focusing on media and entertainment clients, creating Video on Demand apps for their customers. We are a team of OTT video solution specialists helping our customers build the new digital media industry in Asia Pacific and beyond. We create viable revenue generating video streaming products, enable our customers to gain business and operational insights through big data analytics and empower them to engage with their users more effectively through targeted marketing campaigns. Started its Development Center in Technopark Phase III campus and focusing on Indian and International clients.

For further details please refer our website

LinkedIN :

Job Description :

• 2 or more years of experience of server side web systems engineering and middleware in a project services or product engineering organisation
• Hands-on development experience using JavaScript on the Server Side with Node.js and associated frameworks.
• Published sites/systems that are now online
• Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
• An engineering Degree in computer science or equivalent practical experience
• A solid understanding of networking, storage, operating/browser systems engineering as well as application/software systems performance optimisation and third party systems integration
• Hands on experience with Amazon Web Services
• Prior experience working within the Media, E-commerce, Telecommunications or similar large scale consumer facing industry

First round will be a Machine test and Aptitude, sharing it with this mail, which has to be completed in 2 days.This will be followed by technical discussion, CEO round and HR discussion.Hiring process will take 5-7 working days post completion of M/C test

• Utilize established development tools, guidelines and conventions including but not limited to ASP.NET, SQL Server, HTML, CSS, JavaScript, and C#/VB.NET
• Prepare and maintain code for various .Net applications and resolve any defects in systems.
• Prepare test-based applications for various .Net applications
• Enhance existing systems by analyzing business objectives, preparing an action plan and identifying areas for modification and improvement

• Manage defect tracking system and resolve all issues and prepare update for systems
• Investigate and develop skills in new technologies
• Create technical specifications and test plans
• Monitor everyday activities of system and provide require support

• Required experience in .Net Core 2.2 and above, Web API, EF, AWS or Azure Cloud
• Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Snaplogic (both ground and cloud plex ) or Biztalk ( basic administration , simple xlt translations, and Api management ) or any other similar tool
• Update to .net 50 and Microsoft CORE 30 general coding practices
• Visual Studio use for C#
• Shared library through Nugget
• Unit Test / Test driven methods (use of Xunit and MOCK )
• Concepts of “;” service threading, caching, injection, NTier and entity 
• GIT repository (Gitflow branching strategies )
• Azure DevOps pull requests, commitments and Task usage
• SQL artifact writing (sprocs, tables, triggers , indexes, FKs ,and PKs)
• SQL understanding of relational database models

• Should have good problem-solving abilities
• Should be able to troubleshoot issues and determine the cause of a plan’s success or failure
• Should keep up to date with changes in the market and technology that would affect
• Good interpersonal and communication skills
• Comfortable to work as per client requirements/time zones
• Should possess strong team handling experience