
Job Description:
As a Backend Developer, you will:
- Implement server-side logic to ensure high performance and responsiveness to requests from the front-end.
- Integrate machine learning models for fraud detection, enhancing the security and reliability of our applications.
- Manage database operations, ensuring the integrity, security, and efficiency of data storage and retrieval.
- Collaborate with cross-functional teams to develop and maintain scalable, robust, and secure applications.
Responsibilities:
- Development of all server-side logic, definition, and maintenance of the central database.
- Ensuring high performance and responsiveness to front-end requests.
- Integrating data storage solutions, including databases, key-value stores, blob stores, etc.
- Implementing security and data protection measures.
- Integrating machine learning models for advanced data processing and analysis.
Key Performance Indicators (KPI) For Role:
- Quality and efficiency of backend systems developed.
- Effectiveness in integrating and deploying machine learning models.
- Database performance and security measures.
- Positive feedback from team members and stakeholders.
- Adherence to coding standards and best practices in backend development.
Prior Experience Required:
- Minimum 3+ years of backend development experience.
- Proficient in Node.js or Python (especially Django and Flask frameworks), or/and Go.
- Strong database management skills with both SQL and NoSQL databases.
- Experience in integrating and deploying machine learning models for real-world applications, specifically for fraud detection is highly desirable.
- Familiarity with RESTful API development and microservices architecture.
- Good understanding of asynchronous programming and its workarounds.
- Experience with cloud services (AWS, Azure, GCP) and serverless architectures.
Location:
Hyderabad
Collaboration:
The role involves close collaboration with frontend developers, data scientists, and project managers to ensure the seamless integration of backend services with front-end applications and data analytics models.
Salary:
Competitive, based on experience and market standards.
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Language Skills:
- Strong command of Business English, both verbal and written, is required.
Other Skills Required:
- Strong analytical and problem-solving skills.
- Proficient understanding of code versioning tools, such as Git.
- Ability to design and implement low-latency, high-availability, and performant applications.
- Knowledge of security compliance and integrated security protocols.
- Familiarity with continuous integration and continuous deployment (CI/CD) pipelines.
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
Other Requirements:
- Proven ability to work in a fast-paced, agile development environment.
- Demonstrated ability to manage multiple projects simultaneously and meet deadlines.
- A portfolio showcasing successful backend projects.

About RaptorX.ai
About
RaptorX.ai is an innovative fraud prevention platform founded in 2023, leveraging advanced AI and machine learning to protect businesses against digital threats. Backed by prominent investors like PeakXV Spark, the company specializes in transaction security and identity verification solutions. Through their cutting-edge technology combining supervised and unsupervised ML with LLMs, RaptorX is transforming how businesses approach fraud prevention and digital trust.
Tech stack
Candid answers by the company
RaptorX.ai is a B2B fraud prevention platform that uses advanced AI and machine learning to protect businesses against transaction and identity fraud. They offer comprehensive solutions for:
- Transaction fortification
- User profiling
- Fraud prevention
- Dispute resolution
- Regulatory compliance
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MyOperator is a Business AI Operator and a category leader that unifies WhatsApp, Calls, and AI-powered chat & voice bots into one intelligent business communication platform.
Unlike fragmented communication tools, MyOperator combines automation, intelligence, and workflow integration to help businesses run WhatsApp campaigns, manage calls, deploy AI chatbots, and track performance — all from a single, no-code platform.Trusted by 12,000+ brands including Amazon, Domino’s, Apollo, and Razorpay, MyOperator enables faster responses, higher resolution rates, and scalable customer engagement — without fragmented tools or increased headcount.
Role Overview:
We’re seeking a passionate Python Developer with strong experience in backend development and cloud infrastructure. This role involves building scalable microservices, integrating AI tools like LangChain/LLMs, and optimizing backend performance for high-growth B2B products.
Key Responsibilities:
- Develop robust backend services using Python, Django, and FastAPI
- Design and maintain a scalable microservices architecture
- Integrate LangChain/LLMs into AI-powered features
- Write clean, tested, and maintainable code with pytest
- Manage and optimize databases (MySQL/Postgres)
- Deploy and monitor services on AWS
- Collaborate across teams to define APIs, data flows, and system architecture
Must-Have Skills:
- Python and Django
- MySQL or Postgres
- Microservices architecture
- AWS (EC2, RDS, Lambda, etc.)
- Unit testing using pytest
- LangChain or Large Language Models (LLM)
- Strong grasp of Data Structures & Algorithms
- AI coding assistant tools (e.g., Chat GPT & Gemini)
Good to Have:
- MongoDB or ElasticSearch
- Go or PHP
- FastAPI
- React, Bootstrap (basic frontend support)
- ETL pipelines, Jenkins, Terraform
Why Join Us?
- 100% Remote role with a collaborative team
- Work on AI-first, high-scale SaaS products
- Drive real impact in a fast-growing tech company
- Ownership and growth from day one
What is the role?
Xoxoday is looking for a candidate who has a strong background in the design and implementation of scalable architecture and a good understanding of Algorithms, Data structures, and design patterns. Candidates must be ready to learn new tools, languages, and technologies
Basic Qualifications:
- At least 4 -7 years of experience as a software developer.
- At Least 3 years of experience in .net core C#, aws stack, ms sql server, mvc, nodejs experience is a plus
- Strong working knowledge in distributed event-driven messaging architecture/platform
- Strong knowledge in data access layer especially ability to work with stored procedure
- Established and stimulated software development standards and processes along with best practices for delivery of scalable and high-quality software.
- Production experience with AWS stack
- Fluent English speaker
Preferred Qualifications:
- Experience working with OOP languages.
- Experience designing and developing Microservices and SOA.
- Experience working with AWS Kinesis, Lambda, SQS, S3, ElastiCache, ElasticSearch, Kubernetes, EventBridge, RDS, CloudWatch, APIGateway
- Experience designing and building high-performance scalable web services.
- Experience in REST API design and implementation.
- Experience in unit testing, test automation, and continuous delivery.
- Experience with stream-processing and message-broker software.
Nice to have:
- Experience working with distributed teams.
- Ability to work independently and as part of a team.
- Ability to work quickly toward tight deadlines, and make smart tradeoffs between speed, accuracy, and maintainability.
- Bachelor's or Master's degree in computer science (or equivalent professional experience).
What can you look for?
A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.
We are looking for an experienced NodeJS/ExpressJS/TypeScript developer. You will work on the most
critical software development team in a fast-growing data-centric software company. You will develop high performance, highly available REST and GraphQL APIs that will deliver data to our suite of web and mobile
apps.
Duties and Responsibilities
Software Development: You will work with the engineering lead to design and develop REST and
GraphQL APIs that will serve data from MongoDB and ElasticSearch.
Automated Test Scripts: You will write automated test scripts for all of your code. You will work with
the QA manager to determine optimal code coverage.
Code Reviews: You will assist in reviewing PRs raised by other team members. You will be
responsible for ensuring that the code satisfies the documented requirements, includes the necessary
automated tests and follows our documented coding standards and best practices.
API Support: API issues will be reported manually and automatically (via alerts) to a series of Slack
channels. You will monitor these channels and create Jira tickets to diagnose and fix these issues. You
will ensure that affected API consumers are informed regularly as to the status of the open issues.
API Documentation: You (and the rest of the API team) will be responsible for keeping the API
documentation up to date.
Skills and Qualifications
Bachelor's degree in computer science, information science, or similar.
Exceptional analytical and problem-solving skills.
Great organizational and time management skills.
Extensive knowledge of NodeJS libraries and frameworks.
REST APIs: 3+ years required.
GraphQL APIs: 1+ years desired.
ExpressJS or Fastify: 2+ years required
Advanced TypeScript: 1+ years required
NodeJS: 2+ years required
Node Streams: 1+ years desired
AWS High-Availability Clusters: 1+ years desired
MongoDB: 2+ years desired
Search Engines (ES or Solr): 2+ years desired
Big Data: 1+ years’ experience querying datasets with hundreds of millions of rows desired
Mocha/Chai: 1+ years desired
Bitbucket or GitHub: 1+ years required
*Urgent opening for PHP/Laravel Developer*
*Location :- Mohali. (Punjab)*
*Working days :- 5 Days*
*Work from Office Only.*
*Experience :- 1+ Yrs*
*CTC :- Upto 9 LPA*
*PHP Developer responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.*
*Desired Technical Skills :*
*1) Excellent skills in PHP, MySQL, Laravel, Vue.js and Javascript.*
*2) Knowledge of any MVC framework Codeigniter etc.*
*3) Strong object-oriented programming skills.*
*4) Good understanding of both front-end and back-end web development.*
*5) Knowledge of eCommerce is a plus point.*
*Professional Skills :*
*1) A team player with good communications.*
*2) Ability to solve problems quickly and efficiently.*
*3) Great aptitude and attitude towards learning.*
*4) Take full responsibility for task/project execution.*
*5) Ability to prioritize own work and respect deadlines.*
At Embibe, we have just one mission - to truly personalize education. Because every child deserves it. This has led us to embark on this noblest of journeys to deliver life and learning outcomes for every student! Rooted in consumer behavior, we are leveraging AI and Data Science to deliver personalized achievement journeys for every student.
We are a tribe of intellectually fierce people from diverse backgrounds, focused on building cutting-edge products that empower everyone in the education ecosystem - students, teachers, educational institutes and parents. We enable a deeper understanding of student behavior, their strengths and weaknesses through analysis at a granular level. It is this shared vision of democratizing and personalizing education that unites us all.
Embibe is powered by AI and data science algorithms, using these contents being recommended across platforms and millions of learning outcomes delivered to students. Since its inception, millions of students have used the imbibe platform for learning concepts and outcomes. Academic users have spent 52mins on average with an average of 3 sessions daily. Embibe has been launched for 12 languages across India with support for 361 Exams (English), and 120 Exams (Hindi) for K6-K12 having 22.6L+ Qs and 58k+ Tests, 29k videos, 50k+ 3D assets. Embibe is the world's largest live online public sector implementation in edtech for test preparation, NTA app which is powered by Embibe has 3.1Mn+ downloads, and 14.3Mn hours spent by users with total 13.4Mn sessions and 1.64Bn attempts.SchoolApp is currently being used by 1000s of schools across India and we are planning to scale it to 100Mn students with 1Mn schools with 10Mn teachers in the period of the next 3yrs.
Prerequisite
We are looking for a Software Engineer across levels who have ever contributed to any large-scale systems be it content platform e.g. Quora/Medium, streaming platform e.g. Netflix or Hotstar, activity log system e.g. Twitter feeds or payment systems like Razorpay to name a few. I/O, Read-Writes, DB connections, Distributed Locking, Memory, Bandwidth, High Throughput, Low Latency and minimal CPU cycles excite you!! You are deep thinkers and can bring ideas to the table, before starting writing the code!!
Interested? We'd love to hear from you.
Who are you?
● 2-14yrs years of relevant large-scale product company experience ideally in a fast-moving B2C/B2B environment.
● Programming. Proficiency in object-oriented and multi-threaded programming in at least one of the following languages: Java, Python,React.js, Node.js, Next.js, PHP, Golang etc.
● Deep understanding & experience of high-performance web-scale & real-time response systems, and large scale distributed systems.
● CS Fundamentals – exposure to a wide variety of problem spaces, Good in Data Structures and Algorithms Design, Problem Solving.
● Open source contributors and can do quick POC of technologies will catch our eyes.
● Expertise in designing, implementing and operating distributed Systems architectures and concepts, especially on public cloud infrastructure (AWS/Azure)
● Demonstrated expertise in applying systems patterns (e.g., Client-server, N-tier, Master/Slave, MVC) and API constructions (e.g., Swagger, OpenAPI).
● Experience in a high-availability 24/7 environment (cloud platforms are a plus). Expertise should include several of the following:
○ High-performance,up-time (99.999%) and self-recoverable systems.
○ Control, orchestration and automation platforms leveraging containers or VMs. ○ RPC frameworks (e.g., Protobuf/gRPC, Thrift, Bond)
● Experience with one or more Data Stores like (MySql, Postgres ) and NoSQL DataStores ( Mongo, Cassandra, Scylladb, Hbase, Redis, Aerospike etc.).
● Experience with Agile software development, TDD, and Continuous Integration. ● Experience in building Web/RESTFul/GraphQL services.
● Sound knowledge of *Nix, ORM(Hibernate, JPA), Spring ecosystem, Messaging platforms like Kafka/RMQ, build framework like Maven/Gradle etc.
● Very strong system design and object-oriented skills with a nifty ability to craft clean interfaces and operate at the right levels of abstraction.
● Solid coding skills with the ability to drive teams through massive refactoring exercises & improve coding standards across large code bases.
● Deep knowledge, understanding & experience of working with a large variety of multi-tier architectures. Awareness of pitfalls & use cases for a large variety of solutions. ● Exposure to complete product development cycles – from inception to production to scaling up, supporting new requirements, and re-architectures.
● Having experience building web infrastructure in cloud environments (such as AWS or Azure/GCP) is a plus. You understand and are always excited about learning new e.g.docker, Kubernetes.
● Education. M.Tech/M.Eng in Computer Science/Engineering or B.Tech/B.E in the same disciplines with equivalent years of experience would be a plus.
We'd particularly love it if:
● You’re a steward for engineering quality, reliability, scalability, availability, maintainability, flexibility habits and mindset in the organization under your purview, You know SOLID,12 factor App and Design Principles which you can apply or help the team in applying as needed. You can assure that our architectures are consistent with industry best practices. ● Version control tools like Git, SVN etc are good to have.
● Gather, understand, and prioritize requirements, research potential solutions, rapidly build prototypes, and distill and communicate what was learned, expected risks, resources & security concerns.
● Mentoring more junior engineers to instill engineering best practices and driving high standards in documentation, code reviews, design reviews, architecture discussions and strategy roadmap development.
● Actively participate in development along with team members - creating modules & systems that can then be treated as a working reflection of the best practices.
● Set the vision of the domain architecture and technology stack for technology in your organization, You understand LLD and HLD.
● Be an evangelist for technology - drive a culture of curiosity and active debate around technology in your organization.
● Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself on the impact you are able to create.
Note: We just use degrees to measure the Temperature!!
Requirements:
- 3+ years of full stack development for high volume mobile applications.
- Strong experience in popular Node.js, Express. JS, React. JS, React Native and npm modules.
- Strong experience in JavaScript development.
- Experience with building RESTful services.
- Experience on working on the MicroService based Architecture
- Ability to architect complex web applications using frameworks and APIs.
- Experience in designing the HTML pages using React. JS.
- Good understanding of Design Patterns. Good analytical & debugging skills.
- Experience with NOSQL DB & tools such as MongoDB, Redis, Cassandra and Kafka.
Responsibilities
- Writing scalable, robust,, testable, efficient, and easily maintainable code
- Translating software requirements into stable, working, high performance software
- Playing a key role in architectural and design decisions, building toward an efficient micro services distributed architecture
Skills
- Strong knowledge of Goprogramming language, paradigms, constructs, and idioms
- Knowledge of Goroutine and channel patterns
- Experience with the full suite of Goframeworks and tools, including:
- Dependency management tools such as Godep, Sltr, etc.
- Go’s templating language
- Go’s code generation tools, such as Stringer
- Popular Goweb frameworks, such as Revel,Gin
- Router packages, such as Gorilla Mux
- Ability to write clean and effective Godoc comments
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
- Good Written and Verbal communications.
What is the role?
You will be responsible for developing features on the application and integrations end to end. You will be working closely with the Technical Team to come up with high-quality, resilient, and highly performant applications.
Key Responsibilities
- Design and develop SaaS-based applications based on microservices architecture.
- Work on the core backend and ensure it meets the performance benchmarks.
- API and Integrations.
- Designing and developing APIs for the front end to consume.
- Constantly improve the architecture of the application by clearing the technical backlog.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
- Work on the front end with ReactJS is a plus point.
What are we looking for?
- An enthusiastic individual with the following skills. We are open to promising candidates who are passionate about their work and are team players.
- A subset of the below skills should be fine as long as you are good.🙂
- OAuth, API Integrations.
- Agnostic/Polyglot with multiple tech stacks.
- Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, CouchDB, DynamoDB, Clickhouse, Kafka
- Backend exposure – good knowledge of building and integrating APIs
- Efficient in building microservices in combining server & front-end.
- Knowledge of cloud architecture.
- Excellent knowledge and understanding skills on OAuth.
- Should have sound working experience with relational and columnar DB.
- Should be innovative and communicative in approach.
- Will be responsible for functional/technical track of a project.
Who will you work with?
You will closely work with the engineering team and support the Product Team of Compass.
What can you look for?
A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.







