Java Backend Developer

Required Skills for the Java role :

• Experience in Core Java, CXF, Spring.
• Experience in spring boot, microservices.
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
• Good knowledge of multi-threading and high volume server side development
• Experience in sales and trading platforms in investment banking/capital markets
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.
• Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).

What You’ll Do

• Build and scale backend services using Java & Spring Boot

• Work on API integrations (REST, SOAP), caching & rate limiting

• Contribute across the full SDLC – design, development, testing & deployment

• Solve problems around performance, scalability & reliability

What We’re Looking For

• Strong knowledge of Data Structures & Algorithms

• Experience with Java, Spring Boot, REST/SOAP

• Hands-on with system & solution design

• Database experience: MongoDB / PostgreSQL / MySQL / Oracle

• Good debugging skills & unit testing

• Familiarity with Git and AI coding assistants (Copilot, Claude, etc.)

What You will do

● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.

● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 4+ years.

● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.

● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)

● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

Nice to have Qualifications

● Product and customer-centric mindset.

● Great OO skills, including design patterns.

● Experience with devops, continuous integration & deployment.

● Exposure to big data technologies, Machine Learning and NLP will be a plus.

Benefits

● Competitive salary.

● Work from anywhere.

● Learning and gaining experience rapidly.

● Reimbursement for basic working set up at home.

● Insurance (including a top up insurance for COVID).

Location

Remote - work from anywhere

We're looking for team players with natural product intuition who can help us build solutions

for our world-class Learning & Assessment platform (edulastic.com).

As a Backend Developer you will be responsible for the server-side of our web applications

and you will work closely with our engineers to ensure the system consistency and improving

user experience.

Role and Responsibilities

• As an experienced backend developer, your primary focus will be the development of all

server-side systems

• A basic understanding of front-end technologies is necessary as well. You will test, secure

and deploy your code

• Knowledge of Node.js is a must along with a server-sideframework
• Strong proficiency in JavaScript
• Writing reusable, testable, and efficient code
• Experience and proficiency integrating with RESTAPIs
• Understanding of scalable computing systems, software architecture, data structures,

and algorithms

• Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
• Should be willing to work in a very fluid startup environment and take complete ownership of

the assigned responsibility

Skills Required:

• At least 2 years of experience developing Backends using NodeJS should be well versed

with its asynchronous nature & event loop, and know its quirks and workarounds.

• Good knowledge of MongoDB or any other NoSQL

Database.

• Good knowledge of Redis, its data types, and their use cases.
• Experience developing and deploying REST

APIs.

• Good knowledge of Unit Testing and available Test Frameworks.
• Should be a fast learner and a go-getter without any fear of trying out new things Preferences.

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

F5, Inc. is seeking a Software Engineer III with experience in building highly available and highly scalable services on public cloud like AWS, Azure and GCP. In this role you will help develop networking and security technologies as a service (SaaS) to solve customers’ multi-cloud problem. You will be part of Cloud Orchestration team working on F5 Distributed Cloud platform.

Primary Responsibilities 

• Design and development of highly available and highly scalable services using public cloud and F5 Distributed Cloud services.

• Understand product requirements related to multi-cloud and propose solutions.

• Follow software development lifecycle for feature development i.e., design, develop, test and support the features

• Creating prototypes to validate use cases and get feedback from product team and architects.

• Work cohesively with geographically distributed team

Knowledge, Skills and Abilities

• Experience in designing and implementing solutions for services in public cloud

• Experience in developing software in a SaaS environment

• Extensive hands-on experience in using Infrastructure as code (IsC) tools like terraform (preferred), cloud formation etc

• Extensive hands-on experience in programming languages such as Golang(preferred), python, Java, Rust

• Solid understanding of AWS VPC Networking Services like Transit Gateway, Virtual Private Gateway, Direct Connect, Gateway Load balancer, Private link etc.

• Solid understanding of Azure Networking Services like Virtual Network (Vnet), Express route, Azure load balancers etc

• Solid understanding of GCP networking services

• Good understanding and experience in L2 to L7 networking protocols including but not limited to Ethernet, TCP/IP, VLAN, BGP, HTTP

• Good understanding of container technologies such as Docker, Kubernetes etc.,

• Working knowledge of CI/CD tools like GitLab, Argo

• Ability to implement all phases of a development cycle for a software product from understanding requirements, going through design, development and deploy phases

• Self-motivated and willing to delve into new areas and take on new challenges in a proactive manner

• Excellent written and verbal communication skills.

Qualifications

• Minimum of 5 years of related experience with a Bachelor's degree in Computer Science/related field 

Java

Mandatory:

1. Strong expertize in Java/J2EE(4-7 years of experience)
2. Strong  expertize in Microservices, SpringBoot
3. Java including multithreading and concurrency

Preferred skills :

1. Experience in  Virtualization, SDN, NFV, Yang, Netconf
2. Good Knowledge on Networking
3. Multithreading and concurrency

OnScreen is looking for a full-time hands-on Software Developer responsible for bringing status disrupting products in the market.

As a Software Developer, you will be responsible for the design and coding of scalable and high performant web applications working on technologies including Microsoft .Net 4.0, Win 32, C#/C++,  and Azure. You will be a part of an Agile development team and would have full access to the complete development life cycle including opportunity to shape requirements and application design. We are looking for relevant experience of around 5-7 years.

Requirements

• Strong experience in Microsoft .Net desktoptechnologies including C#
• Strong application design experiencealong with writing Unit Tests.
• Strong data structure concepts
• Demonstrated experience in working on Enterprise-level
• Good communication skills,collaborative attitude, and mentoring mind-set.
• Desirable - Azure SQL, REST API, Azure deployment, Entity framework.

OnScreen was started to chart a better path for Enterprises facing countless barriers to adoption and efficiency. Our Founders, Directors, and Investors have extensive experience dealing with these problems and are passionate about building and providing a solution that alleviates these chronic pain points. To know more about OnScreen, please visit https://www.onscreen.us/

• Having experience in Hospitality/Travel/Internet/Online/Start-up/IT/Logistic/Courier/Cargo/ Transportation would be preferable.