Backend Engineer

Job Title : Python Developer (Immediate Joiner)

Experience Required : 3+ Years

Employment Type : Full-time

Location : Gurugram, India (Onsite)

Working Days : 6 Days (5 Days WFO + 1 Day WFH)

Job Summary :

We are seeking a talented and experienced Python Developer with a strong background in Django and a proven ability to build scalable, secure, and high-performance web applications. The ideal candidate will have hands-on experience with RabbitMQ, Redis, Celery, and PostgreSQL, and will play a key role in developing and maintaining robust backend systems. This is an onsite opportunity for immediate joiners.

Mandatory Skills : Python, Django, RabbitMQ, Redis, Celery, PostgreSQL, RESTful APIs, Docker.

Key Responsibilities :

• Design, develop, and maintain Django-based web applications and APIs.
• Implement asynchronous task handling using RabbitMQ and Celery.
• Optimize application performance using Redis for caching and session storage.
• Manage database operations, including schema design and query optimization, using PostgreSQL.
• Collaborate with front-end developers, DevOps teams, and stakeholders to deliver full-featured solutions.
• Write clean, modular, and well-documented code aligned with industry best practices.
• Troubleshoot, debug, and resolve issues across the application stack.
• Participate in architecture discussions, code reviews, and sprint planning.
• Ensure the scalability, performance, and security of backend services.

Required Technical Skills :

• Minimum 3 Years of experience in Python development.
• Strong hands-on experience with the Django framework.
• Proficiency in RabbitMQ for message brokering.
• Practical experience with Redis for caching and session management.
• Experience using Celery for background job/task queue management.
• Solid knowledge of PostgreSQL (database design, indexing, and optimization).
• Understanding of RESTful API development and integration.
• Familiarity with Docker and containerization.

Preferred Skills :

• Exposure to CI/CD tools and pipelines.
• Experience working with cloud platforms such as AWS or GCP.
• Knowledge of Django ORM optimization techniques.
• Basic familiarity with front-end technologies like HTML, CSS, and JavaScript.

Soft Skills :

• Strong analytical and problem-solving capabilities.
• Effective communication and interpersonal skills.
• Ability to thrive in an agile, fast-paced development environment.

SaaS (Mandatory)and Java, Spring boot, Azure is good go

Skills Required:

· Strong application development and design experience in highly Scalable enterprise JAVA/J2EE systems.

· Strong experience in complex application design, ability to provide solutions, design Concepts, design patterns.

· Strong understanding of Java best practices, system scalability, and performance tuning.

· Expertise in Spring (MVC, CORE, Boot, JDBC).

· Strong Knowledge of Restful services, XML, JSON are required.

· Having knowledge in Hadoop/Bigdata/ETL/Reporting systems is a plus.

Skills Required:

• Must-Have: Java, Spring/spring-boot, Data structure, Algorithm
• Any 2 (Must) out of the below-mentioned list : 

a.     JPA/Hibernate

b.     Messaging queue/Kafka/SQS/distributed message/SNS/JMS

c.     NoSQL/Aerospike/Reddis/Cassandra

d.     Microservices

Roles and Responsibilities:

• Technical design, implementation, deployment, and support.
• Partner with Business Analysts to review and implement business requirements.
• Perform development and unit testing, working closely with Business.
• Mentors and oversees the development of resources, including reviewing designs and performing code reviews.
• Ensure designs are in compliance with specifications
• Contribute to all phases of the development lifecycle
• Developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
• Should have experience of working on Core Java/J2EE & OOPS concept
• Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
• Should have a good understanding of Hibernate and Other ORMs
• Should have an understanding of working on Web Service (SOAP/REST) and Maven
• Build tools such as Jenkins
• Caching Technique(Radis, Hazlecast, Aerospike)
• Database Knowledge - Oracle, MySQL

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.

In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.

What You’ll Do:

• Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
• Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
• Build reusable components and packages for future use.
• Translate specs and user stories into reviewable, test covered patches.
• Peer review code and refactor existing code.
• Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
• Manage Kubernetes and Docker based global deployment of our infrastructure.

Requirements We’re Looking for Someone With:

• Experience working with ORMs like SQLAlchemy or Django (2-3 years)
• Experience with SQL and databases (Postgres preferred)
• Experience in developing large server side applications and microservices
• Ability to create high quality code
• Experience with python testing tools (pytest) and test automation
• Familiarity with code versioning tools like GIT
• Strong sense of ownership and leadership quality
• Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Experience with ReactJS, Google Cloud, Heroku
• Cloud deployment and scaling experience

We are looking for Java Developers in the experience level of 3 to 5 years for our Client for Hyderabad Location. Looking for immediate to 15 days joiners only.

Skill sets-

Java with struts, spring, Spring Boot, hibernate ..oracle DB Background

•  2 - 6 years of software development experience
•  Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
•  Excellent analytical, logical and problem-solving skills
• Software Development Engineer
• Good understanding of complexities involved in designing/developing large scale systems
• Strong system design skills
•  Experience in technologies like Elasticsearch, Redis, Kafka etc
• Good knowledge of relational and NoSQL databases
• Familiarity with common machine learning algorithms. In-depth knowledge is a plus
• Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
• Ability to understand business requirements and take ownership of the work
• Exhibit passion and enthusiasm for building and maintaining large scale platforms

Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun. 

About the team 

In today’s highly competitive private equity market, firms must not only deliver superior returns, but also respond to more stringent reporting requirements and increasing demands for information – both from within and outside their organization. Throughout the industry there is mounting pressure on organizations to do more, requiring a clear technology strategy that not only addresses the demands of today, but also enables the growth and performance of tomorrow. 

What you will be doing 

This position would be part of CORE product development team to work on:

• Development of new modules & functionality.
• Fixing of the production bugs for existing clients.
• Contribute in team meetings to provide suggestions or raise concerns where necessary
• Participate actively in Agile SCRUM & play the role that SCRUM team demands
• Participate in technology discussions to perform POC’s & help in scaling the application
• Provide technical guidance to other team members.

What you bring: 

Knowledge / Experience

• 3-5 Years of hands-on experience on Java with knowledge of Garbage Collector, JMS, Event Based programming, Collections, Java Streams, Spring Dependency Injection Framework.
• Experience in Angular 2+.
• Experience working with Spring and Hibernate frameworks.
• Working knowledge on application Servers (WildFly)
• Strong experience in REST Web Services.
• Good knowledge in writing DB queries (Oracle, SQL Server)
• Experience working in Unix/Linux environment and proven knowledge of scripting languages
• Exposure to MQ / AMQ messaging system.
• Sound knowledge of Design Patterns

Skills

• Desired to have knowledge of JMX
• Agile – SCRUM or XP or TDD methodology preferred.

Qualifications

• Bachelor’s degree in Computer Science or equivalent

Competencies

• Fluent in English
• Excellent communicator – ability to discuss technical solutions to internal and external parties and adapt depending on the technical or business focus of the discussion
• Attention to detail – track record of authoring high quality documentation
• Organized approach – manage and adapt priorities according to client and internal requirements
• Self-starter but team mindset - work autonomously and as part of a global team

What we offer you

• A multifaceted job with a high degree of responsibility and a broad spectrum of opportunities
• A broad range of professional education and personal development possibilities – FIS is your final career step!
• A competitive salary and benefits
• A variety of career development tools, resources and opportunities

With a 50-year history rooted in the financial services industry, FIS™ is the world's largest global provider dedicated to financial technology solutions.  We champion clients from banking to capital markets, retail to corporate and everything touched by financial services. Headquartered in Jacksonville, Florida, our 53,000 worldwide employees help serve more than 20,000 clients in over 130 countries. Our technology powers billions of transactions annually that move over $9 trillion around the globe.  FIS is a Fortune 500 company and is a member of Standard & Poor’s 500® Index.

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the https://www.fisglobal.com/-/media/fisglobal/files/policies/privacy/online-privacy-notice/english.pdf?la=en">FIS Online Privacy Notice.

• As a Senior Software Engineer you will work closely with the Tech Lead, and the rest of the engineering team to build and scale a data-driven platform. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.
• Your primary focus will be the development of server-side logic, building new services and APIs, developing core business logic, supporting the maintenance of current APIs, reviewing work, and improving the performance and reliability of our systems as we rapidly scale our product and organization.
• An effective Senior Software Engineer will be a self-motivated learner; a highly creative engineer having obsessive attention towards detail and thoroughness.

Must Haves

• You’ve been building web applications professionally for 5+ years
• You’re proficient in PHP 7, Laravel, and PostgreSQL
• You possess strong OOP and design pattern knowledge
• Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
• You write understandable, testable code with an eye towards maintainability and experienced with TDD (Test Driven Development)
• You’ve the ability to build RESTful APIs
• Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
• Well versed with the fundamentals of computer science and distributed systems

Nice-to-haves

• FrontEnd experience; have built applications in either: React, Vue, Angular, or Svelte
• Startup experience, preferably a tech startup
• Open Source contributor
• You have experience with other programming languages -- e.g. NodeJS, Python, Ruby, Go, C, etc.
• Passionate about/experienced with open source and developer tools
• You have a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience

Bonus

• Experience deploying applications; AWS, DigitalOcean, etc.
• Experience with leading a team of 3+ developers

Apply if

• You want to be a team member rather than an employee - cultural fit is the most important thing. Start-up life is a roller coaster and we want to make sure no matter how the day has gone we can still go out (virtually) for a pint at the end of it
• You take ownership
• You’ve an eye for detail
• You’re a problem solver, and a perpetual learner
• You possess a positive and solution-oriented mindset