
Senior Backend Developer - KB
at online group buying platform that helps people connect with
Online group buying platform that helps people connect with likeminded people who want to buy the same item/product at a discounted price.
Job Duties and Responsibilities
- Overlook development of all consumer products in JAVA and
- Optimize components for maximum performance across a vast array of web-capable devices and
- Focus on code maintainability and performance of
- Provide technical advice and assists in solving programming
- Continuously create new and interactive features that would help to improve user experience and user engagement.
- Assist with troubleshooting of issues as
- Lead the design and architecture of software
- Assist in developing and maintaining continuous integration.
Skills Required:
- Skills required: JAVA, Python (Flask and Django), Spring/Spring Boot, React, Hibernate,
- 2+ years of experience in Java and Python
- Linux, REST, Kafka, Mysql,, AWS, ELK Stack (Elasticsearch), CI/CD
- Good experience in Java and/or Python based
- Experience in designing databases and system
- Experience in building products from scratch at well-funded start-ups

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Role
We are looking for a Full Stack Engineer who can own the entire technical stack, design systems that scale, and ship products fast. You will work across frontend, backend, and AI systems, making key architectural decisions while building a product used by real users.
This role offers high ownership, where engineers move ideas to production quickly and take responsibility for both technical decisions and product impact.
What would you do?
- Build and own the end-to-end platform using React, Node.js microservices, Python AI agents, and AWS.
- Design and implement scalable system architecture, including caching, databases, and state management between AI and UI.
- Develop AI-powered backend services and orchestrate LLM workflows using modern frameworks.
- Build highly interactive front-end experiences using modern React and real-time communication tools.
- Define and maintain engineering best practices, including CI/CD pipelines, monorepo structures, and development workflows.
- Collaborate closely with users and product teams to identify problems and ship impactful solutions.
- Continuously simplify systems by removing unnecessary complexity and keeping architecture clean.
Who should apply?
- Engineers with 4+ years of experience building and shipping production-grade products.
- Strong understanding of system design, architecture, and scalable backend systems.
- Hands-on experience with Python (FastAPI, async systems) and LLM-based applications.
- Proficiency in JavaScript / TypeScript with Node.js and modern backend frameworks.
- Experience building modern frontend applications using React (React 18+).
- Familiarity with databases such as Redis, PostgreSQL, or MongoDB, and designing scalable APIs.
- Engineers comfortable working in fast-paced environments with high ownership and minimal process overhead.
Technical Skills
- Backend: Node.js, Express, Python, FastAPI
- Frontend: React (React 18+), interactive UI development
- AI/LLM Systems: LLM orchestration, multi-model integrations
- Databases: Redis, PostgreSQL, MongoDB
- Infrastructure: AWS, CI/CD pipelines, microservices architecture
- Real-time Systems: Socket.IO, Server-Sent Events (SSE)
Role: Java Developer
Overall: 4 to 8 Years
Location: Chennai
Notice: Immediate to short joiners
Job Description:
We are looking for a skilled and enthusiastic Java Developer to join our team in Chennai. The ideal candidate should have strong hands-on experience in Java development with a focus on backend frameworks such as Spring Boot and Hibernate. If you’re passionate about clean code, scalable applications, and delivering robust software solutions—this is the role for you.
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java, Spring Boot, and Hibernate.
- Write efficient, scalable, and reusable code.
- Participate in design discussions, code reviews, and deliver high-quality software.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Troubleshoot, debug, and upgrade existing systems.
- Ensure best practices in software development and Agile methodologies.
Required Skills:
- Strong proficiency in Core Java (Java 8 or above).
- Hands-on experience with Spring Boot and Hibernate.
- Proficient in working with RESTful APIs and Web Services.
- Experience with SQL and relational databases (e.g., MySQL, PostgreSQL).
- Familiarity with version control tools like Git.
- Knowledge of software development lifecycle and Agile practices.
What you will be doing
● Building and maintaining micro services.
● Develop new features and improve existing features of the application.
● Coding, Implementing, Unit Testing and Documenting Typescript and Javascript based services.
● Design, build, and maintain efficient, reusable, and reliable code.
● Code reviews and ensuring adherence to software development standards.
● Contribute to team and organizational improvements in process and infrastructure.
● Participating in requirements gathering and functional specification activities.
● Resolving and helping to mitigate production issues.
software products.
● Degree in Computer Science, Maths, or equivalent.
● Experience with AWS or Google Cloud or Azure.
● Experience with RDBMS and NoSQL: MySQL/MariaDB or PostgreSQL,
DynamoDB or MongoDB.
● Fluent in common design patterns, modular architecture, microservices, and a
demonstrated web and polyglot development experience.
● Passionate about distributed computing and building applications that are
robust, scalable, and keep the customers happy.
● Proficiency in programming languages such as Java, Scala; a strong foundation
in data structures, algorithms, understanding of threads, synchronization, and
concurrent programming.
● Experience with deployment, configuration, automation tools, and DevOps
methodologies.
● Understanding of Internet security models, REST API, and application
integration.
● Good to have some understanding of Serverless.
Software Engineer for Java
- Understanding of object-oriented programming and design patterns
- Strong with Java programming and Java Servlets.
- Proficient in API design and development using RESTful services (JSON, XML etc)
- Source code management using GIT
- Knowledge in Mongo DB and SQL or any equivalent No-SQL and Relational databases.
- Experience working with Bootstrap, JavaScript, jQuery & HTML would be preferred.
- Experience in Node JS would be an added advantage.
Required Skills:
- 3+ years of experience with development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands-on experience with Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Job Description:
• In depth knowledge of NodeJS, ExpressJS, Mongo DB
• Experience implementing applications using React
• Experience creating front end applications using HTML5, React, Saga
• Hands on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns
• Experience in using Github / Bitbucket
• Knowledge of using AWS and deploying applications on AWS
BillTrim uses ML + Human to negotiate and monitor all utility bills such as cable, internet, cell phone, electricity, auto insurance, etc
BillTrim negotiates a better rate and protects our customers from overpaying.
BillTrim is San Francisco-based growing startup funded by well-respected and proven investors.
Why work with us?
BillTrim is here to make history. We are passionate to solve problems.
We deeply care about our customers.
To work on something great, something big not average.
We do not compromise with quality. To make SAAS that customers will love and appreciate.
To witness crazy growth and take your career and take it to new heights.
We believe in one outstanding employee gets more done and costs less than two adequate employees.
Less is better, do not clutter unnecessary text, images, buttons, or even a line of code.
We follow Silicon Valley culture.
Personality traits to become a part of BillTrimmer's famiy:
Go to attitude
Tenacious and hungry to make a name
Willing to learn and adapt
Willing to work on weekends if need be
Filled with curiosity and not afraid to ask questions
Think independently and be open-minded to possibilities
Do not apply:
If you are looking for a regular 9 to 5 job
If you are not willing to make BillTrim a priority in your life
If you are not willing to give your best.
If you do not enjoy working in fast pace startup
If you are not comfortable in doing a job you aren't hired for
If you need someone to explain to you every single detail
---------------------------------------------------------------
We want a MEAN stack developer who is definitely not mean but is enthusiastic, quick at grasping, and has experience in handling multiple projects and codebases.
You should be energetic, authoritative, focused, and experimental at work.
We are looking for experienced backend engineers only.
Apply only if you have 8 YES out of the following 10 qualifying criteria :
-Strong grip over HTML, CSS, and Angular 9+
-Good with CSS styling and theming
-Expert at API development using NodeJS
-Experienced with MongoDB DB
-Self-starter with good communication skills
-At least 2+ years of experience
-Must be willing to work from Bangalore (HSR)
-Have than 2 years of experience with multiple frontend projects in MEAN Stack?
-HAVE worked in a B2C Startup for at least a year?
-CAN join in within 30-45 days?
Opportunity to work with a Silicon Valley based security and governance start-up.
About Privacera
Privacera, Inc is a California based start-up company that is looking for Senior Software Engineers to work out of our Mumbai/Pune based office. Privacera is a cloud-based product which uses Cloud native services in AWS, Azure and GCP. Privacera is a fast-growing start-up and provides ample opportunity work on all Cloud services like AWS S3, DynamoDB, Kinesis, RedShift, EMR, Azure ADLS, HDInsight, GCP GCS, GCP PubSub and other services.
We are looking for motivated individuals who are keen to work on Cloud or Big Data services or have worked on Cloud and Big Data. If you want to work in a start-up culture and are ready for the challenge, then join us on our exciting journey.
Responsibilities:
- Design, code and debug cloud-native applications.
- Evaluate and identify new technologies for implementation
- Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions
- Write well designed, testable, efficient code
- Develop software verification plans and quality assurance procedures
- Serve as a subject matter expert
Requirements:
-
5+ years of relevant experience in software development
-
Deep understanding of public cloud infrastructure (AWS, Azure or Google)
-
Experience with large scale distributed systems
-
Ability to troubleshoot distributed systems
-
Prior experience with data encryption, TLS/SSL is a strong plus
-
Experience with Docker and Kubernetes is a plus
-
Deep experience with Java
-
Excellent communication (writing, conversation, presentation) skills, consensus building, Quick learner
Good to have experience in Production support - Tier 4
Experience with these technologies are a plus: AWS, Microsoft Azure, Google Cloud, Cloudera, Snowflake, Mongo DB, Oracle, Databricks, Datastax, Confluent









