Backend Developer

Java Developer – Job Description 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. - 4 to 7 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 clientfacing 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.

Job Summary:

We are looking for a skilled and motivated Backend Engineer with 2 to 4 years of professional experience to join our dynamic engineering team. You will play a key role in designing, building, and maintaining the backend systems that power our products. You’ll work closely with cross-functional teams to deliver scalable, secure, and high-performance solutions that align with business and user needs.

This role is ideal for engineers ready to take ownership of systems, contribute to architectural decisions, and solve complex backend challenges.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Design, build, and maintain robust backend systems and APIs that are scalable and maintainable.
• Collaborate with product, frontend, and DevOps teams to deliver seamless, end-to-end solutions.
• Model and manage data using SQL (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis), incorporating caching where needed.
• Implement and manage authentication, authorization, and data security practices.
• Write clean, well-documented, and well-tested code following best practices.
• Work with cloud platforms (AWS, GCP, or Azure) to deploy, monitor, and scale services effectively.
• Use tools like Docker (and optionally Kubernetes) for containerization and orchestration of backend services.
• Maintain and improve CI/CD pipelines for faster and safer deployments.
• Monitor and debug production issues, using observability tools (e.g., Prometheus, Grafana, ELK) for root cause analysis.
• Participate in code reviews, contribute to improving development standards, and provide support to less experienced engineers.
• Work with event-driven or microservices-based architecture, and optionally use technologies like GraphQL, WebSockets, or message brokers such as Kafka or RabbitMQ when suitable for the solution.

Requirements:

• 2 to 4 years of professional experience as a Backend Engineer or similar role.
• Proficiency in at least one backend programming language (e.g., Python, Java, Go, Ruby, etc.).
• Strong understanding of RESTful API design, asynchronous programming, and scalable architecture patterns.
• Solid experience with both relational and NoSQL databases, including designing and optimizing data models.
• Familiarity with Docker, Git, and modern CI/CD workflows.
• Hands-on experience with cloud infrastructure and deployment processes (AWS, GCP, or Azure).
• Exposure to monitoring, logging, and performance profiling practices in production environments.
• A good understanding of security best practices in backend systems.
• Strong problem-solving, debugging, and communication skills.
• Comfortable working in a fast-paced, agile environment with evolving priorities.

Job Summary
- Expand the product to suit the needs of all kinds of travellers. From family travellers to hardcore backpackers and from free independent travellers to those who need a more guided approach to planning their trip. 
- Launch across more countries. This means adding support for more geographies, things to do, weather, currencies and payments, transport and accommodation. 
- Scale it up to serve millions of users a year, from across the globe. We are seeing decent growth, but it is time to up the game.

Responsibilities and Duties
How you'll add value: 
- Own the architecture and design decisions that go into shaping our backend microservices 
- Build and ship robust features. 
- Work with web and mobile engineers to design and build APIs to power the traveler and influencer applications. 
- Help us scale out to multiple geographies and serve millions of travelers
Required Experience, Skills and Qualifications
- An innate desire to grow. Both personally and with respect to the value you add to other people's lives. 
- 4+ years industry experience working with golang/Django
- Sound understanding of CS fundamentals. We don't expect you to remember every algorithm by heart. But if you know how to find the most appropriate one for any given problem, let's talk. 
- Personal projects that show an aptitude for technical excellence and product sense. 
- Interest in contributing to open source projects 
- Bonus points if you have an interest in the philosophy behind technologies. - You are intrigued by why did people develop certain technologies the way they did.
Benefits
- Work with a bunch of amazing people on a challenging problem. 
- 1 backpacking trip each year to travel outside India. We don't allow you to travel, we WANT you to travel. 
- Stock. 
- We don't mind work from home/cafe/some random city in the world as long as your work and your team is not disrupted. 
- We don't have a leave policy (there is a guideline for legal reasons) but you are free to take as much personal time as you need as long as you get your job done.

Job Type: Full-time

Salary: ₹2,000,000.00 to ₹3,000,000.00 /year

Responsibilities :

- Knowledge of Node.js and frameworks available for it {such as NestJS, Express, StrongLoop, etc.}

- Experience in Database, Postgres Preferred.
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions 
- Strong proficiency with JavaScript

Backend Developer - Node.JS - AirFi

AirFi is a market leader in providing portable Onboard Passenger Entertainment and Mobile Crew Sales Solutions to various passenger travel segments. Founded in 2011 in The Hague, Netherlands - AirFi is the world's fastest-growing company in mobile InFlight Entertainment space and in providing ancillary sales solutions to enterprise customers.

AirFi brings disruptive innovations in a cost-effective manner to the airline cabin and other modes of passenger transport mediums and is making thousands of passengers and crew happy every day all over the globe!

Your key responsibilities

• Responsible for ideating, designing, developing, and supporting the backend services of AirFi web apps for different modes of passenger transport including major airlines across the world.
• Manage your components independently, including but not limited to: gather requirements; communicate design decisions to cross-functional teams including data science, engineering, analytics, and operations; proactively seek user feedback.
• You will help AirFi to quickly iterate and scale web app development to different segments of customers with standard processes, automation, monitoring, and rapid quality assurance.
• Proactively monitor the web apps space for continuous improvements and optimisations, looking for new opportunities and challenges.

What we look for

• Exposure to product development, self-driven, highly motivated and you must be independent in managing on your own components or features
• You must be extremely collaborative and enjoy working cross-functionally with other engineers, designers, and stakeholders
• You must possess an affinity for metrics and analytics - You must be proactive and must move fast or pivot to meet the changing needs of the product
• You are a problem solver and can use everything from front end to command-line tools to help you identify and fix issues.
• You should be diligent, thoughtful, have an eye for detail and have great oral and written communication skills
• Work with product and engineering teams on different data driven products and help drive/implement the Data flows for the same.
• Designing, integrating and documenting technical components for seamless data extraction and analysis

Must have technical skills

• MUST: Experience in Javascript or any modern-day JS frameworks - 7+ years
• Experience NodeJS, MongoDB or any other NoSQL DB - 7+ years
• Experience on building RESTful services and MVC patterns - 5+ years

You get bonus point for

• Responsive web-frameworks (e.g. Foundation, Bootstrap)
• Experience in AngularJS, React, etc - 2+ years
• Linux skills (we run on embedded Linux)
• Expertise HTML5, CSS,
• Experience on Cloudant, AWS, GCP etc.

• Experience on eCommerce or payments related domains

We promise to provide opportunities that not only satisfy your creative instincts but also let you make a significant impact on the products that we create and ultimately the business we are in. We provide a great platform to take up multiple roles based on individual interests or skills and collaborate with different global teams. We boast of a professional, fun work environment with a flat hierarchy and super supportive people to work with. We also encourage a work culture where - no idea is a bad idea and the team can shout it out to be heard!

Some of our benefits that our employees cherish:

• Flexible work timings, remote working and work from home options
• Liberal employee policies including genuine open-door policy and special focus on keeping the work culture non toxic
• A very liberal leave policy that includes paternity, adoption and sabbatical leaves
• We provide Skill enhancement sponsorships
• Celebratory team events, regular team virtual GupShups and fun engagement activities including the annual team (destination) meetings and the annual family gala dinner!
• Meal coupons and random gift vouchers
• Career longevity perks and so on!

When we're in office some of the things that make AirFi an interesting place to work are - healthy breakfast, snacks and a fully loaded pantry (read: health alert!); we try to keep AirFi as a fun place to work at and have interesting team activities on Fridays with occasional beers. 

You get the opportunity to work and socialise with our global team when they visit or when you visit our customer offices/hangers. Last but not the least, in case you are an aviation geek - the opportunity to be on test flights and learn how the aviation industry works!

• https://www.linkedin.com/company/airfi">LinkedIn
• https://www.facebook.com/AirFi.aero">Facebook
• https://twitter.com/airfi_aero">Twitter
• http://airfi.aero/">Website

Your Role

We at Innovaccer are looking for  Software Development Engineer-II (Backend) to build the most amazing product experience. You’ll get to work with other engineers to build delightful feature experience to understand and solve our customer’s pain points.

A Day in the Life

• Building efficient and reusable applications and abstractions.
• Identify and communicate back-end best practices.
• Participate in the project life-cycle from pitch/prototyping through definition and design to build, integration, QA and delivery
• Analyse and improve the performance, scalability, stability, and security of the product
• Improve engineering standards, tooling, and processes

What You Need

• 3+ years of experience with a start-up mentality and high willingness to learn
• Solid knowledge of Python and experience with any web framework (Django, etc)
• Aggressive problem diagnosis and creative problem-solving skill
• Experience in Web Services and REST.
• Experience in RDBMS & NoSQL database.
• Experience in Solution Architecture.
• Proven experience with Git.
• Knowledge of high-level JavaScript concepts like asynchronous programming, closures, promises, data-binding, async-await, etc.
• Bachelor's degree in Computer Science/Software Engineering.

Preferred Skills

• Expert in Python and Django Code Reviews
• Server Deployment
• Mongo DB/Postgres SQL DB
• JIRA Administration

What We Offer

• Industry-focused Certifications: We want you to be a subject matter expert in what you do. So, whether it’s our product or our domain, you will dive straight in and be certified by the best in the world.
• Quarterly Rewards and Recognition Programs: We foster learning and encourage people to take moonshots. When you achieve your goals, we recognize and reward your hard work. 
• Health Benefits: We cover health insurance for you and your loved ones. 
• Sabbatical Policy: We encourage people to take time off and rejuvenate, upskill and pursue their interests so that they can generate new ideas for innovating at Innovaccer.
• Pet-friendly office and open floor plan. No mundane cubicles.