Backend Developer (Rust, Startups)

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 Us:

Join a dynamic startup environment where you will work in a small, agile team closely with the founders. This is a great opportunity to be part of an innovative company building impactful tools.

Responsibilities:

• Develop and maintain server-side applications using Node.js
• Build RESTful APIs and internal tools
• Integrate third-party services and AI platforms, including Agentic AI SDK
• Manage and optimize databases (MongoDB/PostgreSQL)
• Collaborate with front-end developers to integrate user-facing elements
• Write unit tests and ensure high code quality
• Handle deployment and maintenance on VPS
• Use Docker and Git for development and deployment workflows
• Implement data validation using Zod, ensuring code is self-documenting so documentation stays coherent with code logic
• Develop real-time features using WebSockets

Nice-to-Have:

• Experience with Redis, BullMQ, and GraphQL
• Familiarity with CI/CD pipelines
• Exposure to front-end frameworks
• Knowledge of AWS or other cloud platforms
• Experience working with AI platforms and SDKs, especially Agentic AI SDK

Senior Python Django Developer 

Experience: Back-end development: 6 years (Required)

Location:  Bangalore/ Bhopal

Job Description:

We are looking for a highly skilled Senior Python Django Developer with extensive experience in building and scaling financial or payments-based applications. The ideal candidate has a deep understanding of system design, architecture patterns, and testing best practices, along with a strong grasp of the start-up environment.

This role requires a balance of hands-on coding, architectural design, and collaboration across teams to deliver robust and scalable financial products.

Responsibilities:

• Design and develop scalable, secure, and high-performance applications using Python (Django framework).
• Architect system components, define database schemas, and optimize backend services for speed and efficiency.
• Lead and implement design patterns and software architecture best practices.
• Ensure code quality through comprehensive unit testing, integration testing, and participation in code reviews.
• Collaborate closely with Product, DevOps, QA, and Frontend teams to build seamless end-to-end solutions.
• Drive performance improvements, monitor system health, and troubleshoot production issues.
• Apply domain knowledge in payments and finance, including transaction processing, reconciliation, settlements, wallets, UPI, etc.
• Contribute to technical decision-making and mentor junior developers.

Requirements:

• 6 to 10 years of professional backend development experience with Python and Django.
• Strong background in payments/financial systems or FinTech applications.
• Proven experience in designing software architecture in a microservices or modular monolith environment.
• Experience working in fast-paced startup environments with agile practices.
• Proficiency in RESTful APIs, SQL (PostgreSQL/MySQL), NoSQL (MongoDB/Redis).
• Solid understanding of Docker, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure).
• Hands-on experience with test-driven development (TDD) and frameworks like pytest, unittest, or factory_boy.
• Familiarity with security best practices in financial applications (PCI compliance, data encryption, etc.).

Preferred Skills:

• Exposure to event-driven architecture (Celery, Kafka, RabbitMQ).
• Experience integrating with third-party payment gateways, banking APIs, or financial instruments.
• Understanding of DevOps and monitoring tools (Prometheus, ELK, Grafana).
• Contributions to open-source or personal finance-related projects.

Job Types: Full-time, Permanent

Schedule:

• Day shift

Supplemental Pay:

• Performance bonus
• Yearly bonus

Ability to commute/relocate:

• JP Nagar, 5th Phase, Bangalore, Karnataka or Indrapuri, Bhopal, Madhya Pradesh: Reliably commute or willing to relocate with an employer-provided relocation package (Preferred)

Role: DevOps Engineer

Exp: 4 - 7 Years

CTC: up to 28 LPA

Key Responsibilities

•   Design, build, and manage scalable infrastructure on cloud platforms (GCP, AWS, Azure, or OCI)

•   Administer and optimize Kubernetes clusters and container runtimes (Docker, containerd)

•   Develop and maintain CI/CD pipelines for multiple services and environments

•   Manage infrastructure as code using tools like Terraform and/or Pulumi

•   Automate operations with Python and shell scripting for deployment, monitoring, and maintenance

•   Ensure high availability and performance of production systems and troubleshoot incidents effectively

•   Monitor system metrics and implement observability best practices using tools like Prometheus, Grafana, ELK, etc.

•   Collaborate with development, security, and product teams to align infrastructure with business needs

•   Apply best practices in cloud networking, Linux administration, and configuration management

•   Support compliance and security audits; assist with implementation of cloud security measures (e.g., firewalls, IDS/IPS, IAM hardening)

•   Participate in on-call rotations and incident response activities

If Interested kindly share your updated resume on 82008 31681

Context for the Candidates:

Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.

Key Discussion Points:

• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?

• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.

• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?

• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?

• Share best practices for gas optimization, contract upgradability, and backend scalability.

Evaluation Criteria:

1. Technical Knowledge:

• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.

• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).

• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.

2. Problem-Solving and Integration Skills:

• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.

• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.

3. Experience and Expertise:

• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.

• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.

4. Innovation and Critical Thinking:

• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.

• Discussion on the future potential of blockchain technology and how the tech stack can evolve.

5. Communication and Team Collaboration:

• Clear articulation of technical challenges and how to address them in a team setting.

• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.

Engineering Lead (Backend/Full stack)

About

It is a mission-oriented high-growth fintech startup building payment &

lending products to simplify education payments. Jodo’s suite of products make education payments convenient & affordable for parents while simplifying & streamlining fee collections for educational institutes. Jodo aims to be a category-defining company with a mission to be a

trusted partner to parents in fulfilling their aspirations for their kids’ education.

We are backed by marquee VC investors – Tiger Global, Elevation Capital and Matrix Partners – to realize this mission. It is started by three co-founders who have a pedigreed education

(IIT/IIM) and professional background (Nomura, Goldman Sachs, Morgan Stanley, Barclays, Matrix Partners).

🎬Job Description:

We are looking for an Engineering Leader with a focus on building maintainable and scalable applications. The Lead will be responsible for the design and development of Jodo’s fee payments platform and be owning one of the products/verticals. Leads will be closely working

with Product Managers and Founders to execute projects from ideation to completion. As a hands-on Team Lead, you will take ownership of services/systems and guide a team of

developers.

📈Key Responsibilities

● Own and drive the development of one or more of Jodo’s products

● Take the lead in the design and development of the backend platform

● Mentor a team of developers, promote collaboration and engagement, and promote practices that improve the developer experience

● Work closely with Product Managers and Founders to brainstorm requirements and prioritize

● Own quality - actively participate in code reviews

● Own reliability - continuously monitor Production Health, proactively fix production issues

● Own execution - Plan and delegate work for the team, optimize for speed of development and incremental delivery

📃Requirements

● 6+ years of hands-on experience in application development

● 1+ years of leading a team

● Experience in working with distributed systems

● Proficient in building Microservices/RESTful APIs with any modern tech stack

● Working knowledge of relational and nonrelational databases

● Prior working knowledge of Python/Django is a big plus

● Familiarity with modern CI/CD tools

● Knowledge of AWS or any other Cloud Platform services

● Champion code quality and drive best practices

● Ability to analyze and convert business requirements into technical requirements

● Self-starter and ability to take the ownership

● Prior experience working in a startup environment is great to have

● Excellent communication and interpersonal skills

🤩Benefits

● Becoming a part of the early core team

● Competitive salary

● Work with colleagues from strong backgrounds & hungry to succeed

● Opportunity to interact with and learn from high-pedigree investors & mentors -

○ VCs: Elevation Capital (erstwhile SAIF Partners), Matrix Partners

○ Select angel investors: Kunal Shah, Nithin Kamath, Amit Ranjan

🔎What are we looking for?

● Self-starter with a high sense of ownership → Comfortable to work with minimal

supervision

● Hungry to learn and grow → Passion to learn & be a better version of oneself; motivated to succeed

● Bias for action → Have the temperament to experiment and execute in uncertainty

● Hustler → Ability to generate resources to solve a problem

● Intellectual honesty → Always seeking and presenting truth irrespective of personal

POV or beliefs

● Mission-oriented → Deeply care about delivering value and making an impact on customer’s lives

✅Key Details

● Role: Engineering Lead

● Location: Bengaluru

● Compensation: Negotiable based on candidate profile (structured as Fixed + ESOPs)

● Date of Joining: ASAP

• Experience building large scale, large volume services & distributed apps., taking them through production and post-production life cycles
• Experience in Programming Language: Java 8, Javascript
• Experience in Microservice Development or Architecture
• Experience with Web Application Frameworks: Spring or Springboot or Micronaut
• Designing: High Level/Low-Level Design
• Development Experience: Agile/ Scrum, TDD(Test Driven Development)or BDD (Behaviour Driven Development) Plus Unit Testing
• Infrastructure Experience: DevOps, CI/CD Pipeline, Docker/ Kubernetes/Jenkins, and Cloud platforms like – AWS, AZURE, GCP, etc
• Experience on one or more Database: RDBMS or NoSQL
• Experience on one or more Messaging platforms: JMS/RabbitMQ/Kafka/Tibco/Camel
• Security (Authentication, scalability, performance monitoring)