
Job Title: Senior Ruby on Rails Developer
Location: Remote (Mumbai Preferred)
Company: OpiGo
About Us:
OpiGo is an early-stage wealth tech start-up that’s changing the way people invest in the stock market. Our platform empowers users to make informed investment decisions through a cutting-edge gamified community.
Job Description:
As the Senior Ruby on Rails Developer at OpiGo, you will play a crucial role in architecting, developing, and maintaining our robust and scalable investing platform. You will work closely with the product team and other stakeholders to drive innovation and deliver exceptional user experiences.
Requirements:
- 5+ years of Ruby on Rails development experience.
- Strong understanding of Ruby programming language and its scope.
- Experience in building complex and scalable web applications.
- Familiarity with front-end technologies: React Native, JavaScript, HTML5, CSS3.
- Proficient in version control systems (e.g., Git, SVN).
- Expertise in relational databases (MySQL, PostgreSQL, etc.).
- Hands-on experience with Sidekiq, Redis, and background job processing systems.
- Ability to implement real-time features using WebSockets and Action Cable.
- Experience in monitoring and performance tuning with tools like New Relic.
- Knowledge of payment gateway integration and secure transaction processing.
- Experience deploying applications on cloud platforms like AWS or Google Cloud.
- Excellent interpersonal, communication, and teamwork skills.
- Understanding of Agile development methodologies and software development practices.
Preferred Qualifications:
1. Experience in the fintech industry or working on financial applications.
2. Knowledge of frontend technologies such as React Native, JavaScript, HTML5, and CSS3.
3. Experience with DevOps practices and CI/CD pipelines.
4. Familiarity with Docker and container orchestration platforms like Kubernetes.
5. Contributions to open-source projects or active participation in the developer community.
Join us in our mission to revolutionize the investing landscape and empower individuals to achieve financial success. If you are passionate about technology, innovation, and making a positive impact, we want to hear from you!
How to Apply:
If you're excited to take on this pivotal role and shape the future of OpiGo, please fill up the form: https://forms.gle/5euWxq1hBfQTDadD6

About OpiGo
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Job Title: Software Developer
Location: Remote
About Us: CipherSonic Labs is a cutting-edge technology company specializing in data security and privacy solutions for enterprises processing sensitive data in the cloud. We develop high-performance cryptographic software and hardware acceleration techniques to enable secure computing. Our team is looking for talented individuals to contribute to innovative projects in secure computing and high-performance software development.
Job Description: We are seeking a Software Developer to assist in the development of high-performance software solutions. This role will involve working on low-level programming, optimizing cryptographic algorithms, and improving performance for security-critical applications. The ideal candidate will have a passion for systems programming, algorithm optimization, and working in a high-performance computing environment.
Key Responsibilities:
· Develop and optimize software using C/C++ for high-performance computing applications.
· Work on cryptographic algorithm implementations and performance tuning.
· Optimize memory management, threading, and parallel computing techniques.
· Debug, profile, and test software for performance and reliability.
· Write clean, efficient, and well-documented code.
Qualifications:
· Completed a B.S. or higher degree in Computer Science, Computer Engineering.
· Strong programming skills in C and C++.
· Familiarity with Linux-based development environments.
· Basic understanding of cryptographic algorithms and security principles is a plus.
· Experience with AWS Lambda, EC2, S3, DynamoDB, API Gateway, Containerization (like Docker, Kubernetes) is a plus.
· Knowledge of other programming languages such as Python, Rust, or Go is a plus.
· Strong problem-solving skills and attention to detail.
· Ability to work independently and collaboratively in a fast-paced startup environment.
What You’ll Gain:
· Hands-on experience in systems programming, cryptography, and high-performance computing.
· Opportunities to work on real-world security and privacy-focused projects.
· Mentorship from experienced software engineers and researchers.
· Exposure to cutting-edge cryptographic acceleration and secure computing techniques.
· Potential for future full-time employment based on performance.
About the Role:
We’re looking for a Python Developer to build, optimize, and scale applications that power our trading systems. You’ll work on automation, server clusters, and high-performance infrastructure in a fast-paced, tech-driven environment.
What you’ll do:
- Build and test applications end-to-end.
- Automate workflows with scripts.
- Optimize system performance and reliability.
- Manage code versions and collaborate with peers.
- Work with clusters of 100+ servers.
What we’re looking for:
- Strong Python fundamentals (OOP, data structures, algorithms).
- Experience with Linux commands, Bash scripting.
- Basics of Numpy, Matplotlib, and PostgreSQL.
- Hands-on with automation and scripting tools.
- Problem solver with a focus on scalability & optimization.
Why Dolat?
- Work at the intersection of finance & tech.
- Opportunity to solve complex engineering problems.
- Learn and grow with a team of smart, collaborative engineers.
Good to have knowledge of AWS, prometheus, kubernetes and other monitoring tools.
Min exp 1 year. Must be from Pune since we are not able to provide relocation.
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
We prefer candidates who can attend a walk-in interview and join immediately.
Job Description: Senior Java Developer with Leadership Experience
Position: Lead Developer
Experience: 5-8 Years
Location: Noida
Job Type: Full-time
Overview:
We are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a minimum of 5 years of experience in Java development, with a strong focus on leadership and team management. This role requires a proactive individual who can guide others, provide instant solutions, and ensure the successful completion of technical projects.
Key Responsibilities:
- Team Leadership: Lead, mentor, and manage a team of Java developers, fostering a collaborative and productive work environment.
- Project Management: Oversee the planning, execution, and delivery of projects, ensuring they are completed on time and within budget.
- Technical Guidance: Provide expert guidance on Java, JSP, Servlets, Spring Boot, and Hibernate, ensuring best practices and high-quality code standards.
- Problem Solving: Quickly identify, analyze, and resolve technical issues, providing instant and effective solutions.
- Code Review: Conduct regular code reviews to maintain code quality, performance, and security.
- Server Management: Manage server configurations, deployments, and troubleshooting to ensure optimal performance and uptime.
- Collaboration: Work closely with cross-functional teams, including QA, DevOps, and Product Management, to align development activities with business goals.
- Continuous Improvement: Stay updated with the latest industry trends and technologies, and continuously improve development processes and practices.
- Documentation: Ensure comprehensive documentation of all technical specifications, project plans, and procedures.
Qualifications:
- Education: Bachelor’s degree in Computer Science (tier 1/2), Information Technology, or a related field.
- Experience: Minimum of 5 years of hands-on experience in Java development, Minimum 1 year experience in leading Team
Technical Skills:
- Proficiency in Java, JSP, Servlets, Spring Boot, and Hibernate.
- Strong understanding of server-side technologies and server management.
- Experience with version control systems like Git.
- Familiarity with database management systems, particularly SQL.
- Fluency in English
- Leadership Skills: Proven experience in leading and managing development teams.
- Problem-Solving Skills: Strong analytical and problem-solving abilities.
- Communication Skills: Excellent verbal and written communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.
Benefits:
● Provident Fund
Schedule:
● Day shift
● Fixed shift
● Monday to Friday
● Morning shift

At Upswing, we are a passionate and self-driven team of thinkers who aspire to build the rails to connect the legacy financial sector with financial innovators through a simple and powerful banking-as-a-service (BaaS) platform. We’re building our platform putting the focus on pragmatism, reliability, and maintainability. We believe that keeping the engineering complexity under control is key to preserving the development productivity and long-term evolution of a platform.
To bring this vision to life, we are building the infrastructure using Microservices architecture using the latest set of technologies that are also fun to work with such as Java, Scala, Postgres, Akka, Kafka with a completely automated DevOps pipeline from the get-go using tools like Chef, Jenkins, Grafana, Graylog.
We are looking for motivated engineers who will be working in a highly creative and cutting-edge technology environment to build a world-class financial services suite.
Why you should join us:
- You will redefine the financial services landscape for India in the coming years.
- Be part of a core Engineering team that will create innovative and scalable Fintech solutions.
- Work with passionate and experienced engineering, product & business workforce that believes in teamwork, and that helps fast-track learning on solving complex technical challenges.
- We are funded by the leading fintech VC `QED Investors` and other established Founders and Executives of awesome Indian companies.
What you will do if you join us:
- Propose solutions to solve complex system architecture challenges and actively lead the end-to-end development of the system.
- Create robust, flexible, consistent, and easy-to-use APIs
- Continuously strive for performance improvements, code reusability, and readability
- Understand the product in detail and predict potential issues in feature development.
- Mentor and lead junior members of the team
You should have:
- Ability to think of out of the box
- Tech or a higher degree in computer science or a related field.
- 3+ years of experience working on the back-end development for complex distributed systems who are willing to adopt any Programming language as per the requirement.
- Familiarity with any of the following – Java, C++, Scala, Kotlin, and frameworks like Spring, Play, Hibernate, Django, etc.
- Good understanding of Algorithms, Data Structure, OOP, Design patterns, Parallel programming, Multithreading concepts & Event-Driven Systems.
- Understanding of micro-services architecture and best practices.
- Experience with Relational databases such as MySQL, PostgreSQL, Oracle, or any NoSQL database.
It is a plus if you have:
- Familiarity with cloud platforms like AWS (Amazon Web Services), Azure or Google Cloud
We are seeking a skilled NestJS/PostgreSQL Developer to join our development team. As a NestJS/PostgreSQL Developer, you will be responsible for designing and implementing server-side applications, APIs, and databases using NestJS framework and PostgreSQL. You will work closely with other developers, stakeholders, and project managers to deliver high-quality software solutions.
Responsibilities:
- Develop server-side applications and APIs using the NestJS framework.
- Design and implement efficient and scalable database schemas using PostgreSQL.
- Collaborate with front-end developers to integrate server-side logic with the user interface.
- Write clean and maintainable code following best practices and coding standards.
- Conduct code reviews and provide constructive feedback to improve code quality.
- Optimize application performance and troubleshoot any issues or bugs.
- Work closely with stakeholders to understand requirements and translate them into technical solutions.
- Participate in the entire software development lifecycle, including planning, designing, coding, testing, and deployment.
- Stay up-to-date with the latest trends and technologies in web development, NestJS, and PostgreSQL.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Proven experience (2-5 years) in server-side application development using NestJS framework.
- Strong knowledge of TypeScript and JavaScript.
- Experience with PostgreSQL or other relational databases.
- Proficiency in building and consuming RESTful APIs.
- Familiarity with Git version control system.
- Good understanding of software development principles, design patterns, and best practices.
- Excellent problem-solving and debugging skills.
- Strong communication and collaboration skills.
- Ability to work independently as well as in a team environment.
Preferred Qualifications:
- Experience with other JavaScript frameworks such as Angular or React.
- Knowledge of microservices architecture and containerization (e.g., Docker).
- Familiarity with cloud platforms like AWS, Azure, or GCP.
- Experience with testing frameworks (e.g., Jest, Jasmine).
- Understanding of Agile/Scrum development methodologies.
Design, build, and maintain efficient, reusable, and reliable Python services &components
Ensure the best possible performance, quality, and security
Identify bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization
Understanding of established software development life cycles
Ability to prioritize and multi-task in order to meet deadlines
Resolves technical issues through debugging, research and investigation
Collaborate across various teams and with external clients
Contribute innovative designs and ideas for improving our company products and services
Required Skills Sets
Atleast 4+ years of experience in Design and Development with Python.
Experience in Flask / Django
Familiar with version control (Git)
Understanding of SQL
Strong Unit Testing practice
Understanding of design patterns, Microservices Architecture
Understanding of Scrum Agile methodology
Experience in data engineering & Docker is a plus.
Candidate Profile:
4+ Years of relevant experience with Python and its Principles.
Graduate in Computer Science or any related discipline (like BS / B.E. / B-Tech in Electronics,
Electrical, IT)
Responsibilities
- Understand the high-level product roadmap for the squad and immediate features to be developed, contributing to high-level estimation and lay-out of the development sequences. Complete complex development tasks with minimal guidance
- Constantly and actively contribute to pushing code to production with the objective of becoming a main contributor. Write testable, efficient, and reusable code suitable for continuous integration and deployment, that respects best practices and industry development standards
- Review Unified Modeling Language (UML) diagrams and technical documentation, ensuring its quality. Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.
- Drive the adoption of best practices & regular participation in code reviews, design reviews, architecture discussions
- Experiment with new and relevant technologies, and tools, and drive innovation & adoption while measuring yourself on the impact you can create.
- Implementation of long-term technology vision for your team. Responsible for the complete architecture of your product.
- Creating architecture & designs for new solutions around existing/new areas u Decide technology & tool choices for your team & be responsible for them.
- Be accountable for code quality with the assistance of a QA Analyst to conduct adequate testing.
- Review and contribute to technical documentation. Contribute actively to the design of the solution, challenging other members on technical decisions.
Skills
- Working with other TypeScript developers and software engineers to develop Front-end and back-end architecture that’s well-structured and flexible, along with the APIs to support it.
- Developing and implementing Back-end architecture to support user interface concepts.
- Developing and implementing highly responsive user interface components using Node concepts.
- Create data visualization tools, libraries, and reusable code for prospects.
- In-depth knowledge of TypeScript, CSS, HTML, and back-end languages.
- Knowledge of Backend service like AWS Services, Microservice, Serverless software.
Qualifications
- Bachelor's degree in computer science, computer engineering, or related field.
- Proficiency with TypeScript, CSS, HTML, and Back-end languages.
- 7+ years’ experience in Node JS, Typescript, NoSQL, RDBMS, AWS Services
- The ability to learn new technologies quickly
- The ability to communicate complex procedures to other colleagues.
Responsibilities
- Plan, develop and implement large-scale projects from conception to completion.
- Interface with clients and gather business requirements and objectives.
- Translate clients’ business requirements and objectives into technical applications and solutions.
- Understand and evaluate complex data models.
- Design, develop and implement new integration.
- Execute system development and maintenance activities.
- Develop solutions to improvise performance and scalability of systems.
- Mentor junior and mid-level engineers.
Minimum Requirements
- 3-5 years of relevant experience, working in Java related technologies.
- A Good Engineering or Masters degree from a reputed university
- Should have strong technical skills with a good grasp of OO concepts and design patterns
- Good knowledge of SQL database ( MySQL, Oracle, etc )
- Good understanding of frameworks like Spring, Hibernate, etc.
- Good understanding of spring boot and microservices.
- Exposure to AWS services - S3, SQS, Lambda, DynamoDB, API Gateway, etc.
Good to have
- Knowledge of No-SQL DBs like mongo, dynamoDB, etc.
- Knowledge of message brokers/queuing services like SQL, rabbitMQ, Kafka, etc.











