About the job
We, at BitClass, are looking to hire a Senior Software Engineer to join the Personalization, Recommendation and Search team. As a core member fo the team, you will design, build and own complex systems that will provide a personalised and unique experience to the entire audience of BitClass. The role involves engineering and building interest cloud of users and serving them meaningful content based on a highly-tuned and robust recommendation engine.
Responsibilities and requirements
- Writing clean, high-quality, high-performance, maintainable code
- Hands-on with Elasticsearch and its capabilities to build indices and serve recommendations
- Familiarity with building async pipeline to keep indexing data into Elasticsearch
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Support test and deployment of new products and features
- Participate in code reviews
Qualifications
- Bachelor's degree in Computer Science (or related field)
- 3+ years of relevant work experience
- Expertise in Object Oriented Design, Database Design, and XML Schema
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work

About BitClass
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Core Responsibilities:
- Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
- System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
- Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
- Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
- Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
- Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
- Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
- Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.
Experience and Expertise:
- 4–7 years of backend development experience with Python or Golang.
- Strong expertise in designing, developing, and scaling microservices and distributed systems.
- Solid understanding of concurrency, multi-threading, and performance optimization.
- Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
- Hands-on experience with Linux development, Docker, and Kubernetes.
- Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
- Strong debugging, profiling, and optimization skills for production-grade systems.
- Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.
Skills:
- Strong problem-solving ability, with experience handling complex technical challenges.
- Ability to lead technical initiatives and mentor junior engineers.
- Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
- Self-motivated, proactive, and able to operate independently while aligning with team goals.
- Passionate about engineering culture, quality, and developer productivity.
• 6+ years of experience in building web applications using ASP.net, web API, SQL Server, and Testable code.
• C# with Strong in OOPS,
• Hands on experience in React JS or Node JS,
•Experience of architecting and designing web applications and services
• Must have at least 1+ year experience using React or Node JS.
• Passion for building and delivering great software with a strong sense of ownership, while working closely with junior team members.
• Conceptual knowledge of middleware architecture.
• Strong experience with Agile processes.
• Exposure to tools to optimize web application performance-MH
• Understanding and experience of working with Product Management, Design and DevOps teams
• Experience in building applications on .NET Core, is a great plus
• Experience working with CRM Products
Type - Work From Office
Requirements:
- Should have sound knowledge of PHP, MySQL, JQuery & javascript.
- Should know MVC framework Yii/Yii2
- Knowledge of mobile app APIs, JSON, etc.
- Knowledge of version control systems like GIT is a plus.
- Strong analytical and problem-solving skills.
- Troubleshoot and fix any issues relating to PHP programs.
Highlights:
- Working 5 days a week.
- Group Health Insurance for our employees.
- Work with a team of 200+ excellent engineers.
- Extra Compensation for Night Shifts.
- Additional Salary for an extra day spent in the office.
- Lunch buffets for all our employees.
- Yearly and quarterly awards with CASH amount, Dinner coupons, etc
- Team Dinners on Project Completion.
- Festival celebration, month end celebration and much more.
#HiringAlert
We are looking ".Net Architect" for Reputed Client @ Permanent Role
Experience: 10+ Years
Skills :
•Good understanding of the cross cutting architectural elements like Security (Authentication, Authorization, Distributed logging, tracing and Audit, Infra as Code, Database Design (SQL Server and MongoDB)
•Deep understanding of architectural concepts, issues and trends
•Expert knowledge in Object Oriented Principles and Design Patterns
•Expertise in n-tiered web architectures, SOA and related technologies (XML, SignalR , WCF, SOAP, REST, JSON, etc.)
•Strong technical expertise in the Relational Databases, No SQL DB (Ex: SQL Server, MongoDB), Web development and object-oriented methodologies.
•Must be a Team player able to work effectively at all levels of an organization with the ability to influence others to move toward consensus.
•Should review design and implementation of junior designers and developers on the quality of technical deliverables and adherence to quality process
•Excellent verbal and written communication skills.
Location : Chennai & WFO
Experience Required: 5 -10 yrs.
Job location: Sec-62, Noida
Work from office (Hybrid)
Development Platform: Backend Development- Java/J2EE, Struts, Spring, MySQL, OWASP
Job Brief:
Requirements:
· 5+ years of experience in developing distributed, multi-tier enterprise applications, APIs.
· Fully participated in several major product development cycles.
· Solid background in design, OOP, object, and data modelling.
· Deep working knowledge of Java, Struts,Spring, Relational Database.
· Experience in design and implementation of service interface and public APIs.
· Actively involved/writing codes in current project.
· Development knowledge and experience of working with AWS, Azure etc. will be an added plus.
· Clear Understanding and Hands on experience on OWASP Top 10 Vulnerability standards like XSS, CSRF, SQL injection, session hijacking, and authorization bypass vulnerabilities.
· Find and resolve the security concerns on the product/application.
· Good Documentation, reporting, Strong communication, and collaboration skills with various levels of executives from top management to technical team members across the organization.
· Strong self-starter who can operate independently.
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.
Description:
For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems. We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
- Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
- End to end responsibility to continuously create and monitor the services you build
- Help design reusable and clean API's for our frontend React app
- Guide team members with handling complex issues
- You will also be responsible for database schema design and development of migration scripts
- Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
- 10+ years professional SW development experience
- All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
- Must have good experience with Python
- Solid experience with databases is a must. We use and love Postgres here at Smokescreen
- You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
- Deep understanding and working knowledge of Redis cache
- Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
- Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
- Experience with Docker/Swarm is a plus
- Experience in some stream processing platforms like Kafka/Redis stream is a plus
- 7 years of hands-on experience on database development
- Very strong and hands-on in Oracle Database and PL/SQL development
- Hands on experience in designing solutions and developing for data migration projects using Oracle PL/SQL
- Experience with Oracle Argus Safety, ArisG and other Safety/Clinical systems
- Working experience in development of ETL process, DB Design and Data Structures
- Excellent knowledge of Relational Databases, Tables, Views, Constraints, Index (B Tree, Bitmap and Function Based) , Object type, Stored Procedures, Functions, Packages and Triggers, Dynamic SQL, Set transaction, pl/sql Cursor variables with Ref Cursor
Excellent written and verbal communication skills
About Recko:
Recko was founded in 2017 to organise the world’s transactional information and provide intelligent applications to finance and product teams to make sense of the vast amount of data available. With the proliferation of digital transactions over the past two decades, Enterprises, Banks and Financial institutions are finding it difficult to keep a track on the money flowing across their systems. We are building products which enable them to handle and monitor massive volumes of transactional data without writing a single line of code and ensure the right amounts are flowing between the right beneficiaries, with the right deductions at the right time. Over the last few months, we have grown to a point where we are processing more than 25 million transactions monthly for our customers.
Recko is a Series A funded startup, backed by marquee investors like Vertex Ventures, Prime Venture Partners and Locus Ventures. Traditionally enterprise software is always built around functionality. We are reimagining enterprise software to be built around the user. We believe software is an extension of one’s capability, and it should be delightful and fun to use.
Working at Recko:
We believe that great companies are built by amazing people. At Recko, We are a group of young Engineers, Product Managers, Analysts and Business folks who are on a mission to bring consumer tech DNA to enterprise fintech applications. The current team at Recko is 50 members strong with stellar experience across fintech, e-commerce, digital domains at companies like Flipkart, PhonePe, Ola Money, Belong, Razorpay, Grofers, Jio, Oracle etc. We are growing aggressively across verticals.
About the Role:
What are we looking for:
1. 2+ years of experience with Java MVC frameworks like Spring / Dropwizard / Play and with
MySQL / Oracle / PostgreSQL.
2. Experience building at least one application from scratch.
3. Understanding of at least one test frameworks and basic system administration.
4. Experience with cache store / message broker like Redis / RabbitMQ / Kafka.
5. Good to have: Experience with NoSQL databases like Cassandra, MongoDb, Neo4j, ElasticSearch. etc and Understanding of different concurrency models used in Akka, node.js, Go, RxJava etc
6. Interest in learning new languages / framework as needed.
7. A growth mindset and passionate about building things from the ground up and most
importantly, you should be fun to work with.
As a backend developer at Recko, you will:
1. Design and implement microservices with high reliability and scalability.
2. Be involved and participate in the overall application lifecycle.
3. Define and communicate technical and design requirements.
4. Learn about new technologies and incorporate them.
5. Improve engineering standards, tooling, and processes.
6. Collaborate with multi-disciplinary team of designers, developers and system administrators.










