
Job Title: Software Developer (Contractor)
Location: Remote, Up to 1-year contract
Compensation: Hourly
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 CipherSonic Labs
About
CipherSonic Labs offers a game-changing cloud-based cybersecurity solution designed for enterprises to securely share and collaboratively process data with other enterprises. Our fully homomorphic encryption-based approach ensures that data remains encrypted throughout its entire lifecycle—during processing, while in transit and while in storage—providing robust data privacy and security guarantees. With our solution, enterprises can tap into the $100 billion data collaboration market, enabling them to collaborate effectively, extract novel insights from shared data, and enhance customer services.
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WHAT YOU'LL WORK ON
- Design and implement scalable APIs and microservices using Node.js & Express
- Manage deployments via GitHub Actions and CodeDeploy; work with Docker & AWS
- Optimize MongoDB queries and use Redis caching for high-concurrency traffic
- Bridge Figma designs to backend logic using Next.js and Tailwind CSS
- Maintain monitoring with Nginx & PM2 to ensure 99.9% uptime
WHAT WE'RE LOOKING FOR
- 1+ year of professional experience building and maintaining production applications
- Deep Node.js knowledge: async programming, RESTful API architecture
- MongoDB mastery: schema design, indexing strategies, complex aggregation pipelines
- Hands-on AWS (EC2/S3 minimum) and practical CI/CD pipeline experience
- Proven ability to take a feature from PRD / Figma to stable production deployment
WHAT WILL MAKE YOU STAND OUT
- Experience maintaining apps with high concurrent user counts
- Comfortable with Nginx configs and Dockerfiles
- Hands-on with payment gateway integration (Cashfree) and webhook handling
- Obsession with maintainable, well-documented, DRY code
AI Usage Policy:
AI tools (Cursor, Copilot, GPT-4) are force multipliers — use them. But you must own your code, reason hrough architectural trade-offs, and debug without relying solely on AI.
HOW TO APPLY:
- Tell us about the most complex bug you've solved or a backend system you built from scratch
- Share your GitHub profile
- Include at least two live project links showcasing your best work
- Your code will directly impact the learning outcomes of thousands of students.
You will be working hands-on on a complex and compound product that has the potential to be used by millions of sales and marketing people around the world. Your contribution to delivering an excellent product platform that:
- enables quick iteration
- supports product customization
- and handles scale
What do we expect you to have?
- 2+ years of experience in backend engineering
- An intent to learn and an urge to build a product by learning different technologies
- Interest in writing complex, scalable, and maintainable backend applications
- Tech stack requirements:
Must haves
- Experience in building application server in Java (Spring / Spring boot) / NodeJS / Golang / Python
- Experience in using SQL databases and designing schemas based on application need
- Experience with container services and runtimes (docker / docker-compose / k8s)
- Experience with cloud paas (AWS / GCP / Azure cloud)
- Experience and familiarity with microservices’ concepts
- Experience with bash scripting
Good to have (Preferred)
- Preferred experience with org wide message queue (rabbitmq / aws sqs)
- Preferred experience with task orchestration services (apache airflow / aws step function)
- Preferred experience with infra as code (or system configuration) tools (terraform / chef / ansible)
- Preferred experience with build essential tools (make / makefile)
- Preferred experience with monitoring and tracing systems for performance / system / application monitoring (grafana + loki + prometheus / aws cloudwatch)
What will you learn?
- Building highly available, complex, compound, performant systems of microservices platform that acts as an API layer
- Industry-standard state-of-the-art tools + methodologies + frameworks + infra for building a product.
- Fable is not a trivial CRUD app. It requires a lot of consideration and care for building the API layer as the product is highly customizable per user.
- How different functions (sales, marketing, product, engineering) in a high-velocity product company work in synergy to deliver an iterative product in real life.
Who would you be working with?
- You would be directly working with the co-founder & CTO who has built multiple companies before and has built large teams in large-scale companies like ThoughtSpot, Unacademy, etc.
Position details
- Fully remote.
- 5 days/week (all public and government holidays will be non-working days).
- No specific work hours (we will sync over zoom over the course of the day).
Skills Required:
- Good experience with programming language Python
- Strong experience in Docker.
- Good knowledge with any of the Cloud Platform like Azure.
- Must be comfortable working in a Linux environment.
- Must have exposure into IOT domain and its protocols ((Zigbee & BLE ,LoRa,Modbus)
- Must be a good team player.
- Strong Communication Skills
ROLES AND RESPONSIBILITIES
- Proven working experience in backend app development and experience with Node JS.
- Build advanced ecommerce backend applications for the multiple client platforms (both React and Android).
- Understanding of design principles and good architecture patterns.
- Proper Data Structures and Algorithm knowledge is a must.
- Graph QL and Apollo Server knowledge.
- Collaborate with cross-functional teams to define, design, and ship new features. Work with outside data sources and APIs like the one of Unicommerce.
- Create Unit-test code for robustness, including edge cases, usability, and general reliability.
- Work on bug fixing and improving application performance.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Translate designs and wireframes into high quality code.
- Have a good understanding of CI/CD tools (any).
- Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;
- Knowledge about AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus.
CANDIDATES MUST HAVE
- Node JS.
- Data Structures and Algorithm
- HTML5 and CSS3
- Graph QL and Apollo Server
- MongoDB, Elastic Search, DynamoDB, Redis
- AWS Services like EC2, Lambda, Kinesis, Redshift, S3
REQUIREMENTS
- Bachelor's degree in computer science, information science, or similar.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organisational and time management skills.
- Availability to resolve urgent web application issues outside of business hours
This is a remote position.
- Design and build strong, resilient, and robust APIs, libraries, and tools to power customers, engineers, and operations
- Own functionality and scalability features by taking responsibility from inception to post-deployment.
- Be responsible for full software development life-cycle - design, development, testing, operating in production
- Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter.
- Serve as technical lead, contributing to and directing the execution of complex projects with other engineers
- Mentor software engineers and set the standard for the next generation of Finly engineers
- Proactively identify and prioritize improvements to the team's processes, codebases and best practices
Requirements
- 3 to 6 years' experience creating libraries and designing scale-able backend systems
- Experience working with SQL or NoSQL databases
- Familiarity with software engineering development cycles
- Experience working with backend programming languages (Ruby, Python)
- Ability to hold yourself and the team to high standards
- Strong communication (written and verbal) and interpersonal skills
- Ability to provide in-depth evaluation of multiple technical directions and determine trade-offs of each
- Strong propensity to make data-driven decisions on technical architecture and project prioritization
- Experience collaborating with experts in product, design, and operations.
- Experience driving initiatives at a broader level across an organization or company
- Strong writing skills
- Proactive approach
Responsibilities:
• Should have good knowledge and understanding in the following areas and you are able to apply that knowledge in delivering small and medium tasks:
• Programming language(s)
• Frameworks and libraries
• Platforms and tools
• Hands-on experience on AWS serverless services and familiarity with the environment
• Confident personality with good communication skills who can hold a conversation with a client and is not hesitant to put across his point.
• Ability to lead the calls independently in absence of a team lead
• Hands-on experience test case writing.
• Good aptitude
• Excellent problem solving and analytical skills
• Ability to lead a group of software developers technically.
• Flexible working hours.
Requirement:
• Must have:
• NodeJS/JavaScript/Typescript
• AWS Serverless services especially lambda, S3, and DynamoDB
• Conceptual understanding of elastic cache and related services
• Restful API
• Intermediate SQL – Querying and analysis
• Microservice architecture
Nice to have:
• Typescript
• Event-Driven Architecture in cloud-like SQS
• OAuth/SAML integration
• Terraform, - would be a great addition
Benefits:
• A competitive annual salary based on experience and market demands
• Flexi-timings
• Medical insurance with the option to purchase a premium plan or HSA option for your entire family
• Business casual atmosphere
• Work from anywhere.

Basic Qualifications
Candidates for this role must have:
- Bachelor’s degree in computer science or a related field
- At least three years of experience writing production code of increasing complexity
- Strong understanding of computer science fundamentals, including algorithms, complexity analysis, data structures, problem solving, and object-oriented analysis and design
- Proficiency in at least one of the following: Java, C, C++, C#, Ruby, Scala, Python
- Experience refactoring code and evolving architectures
- Experience crafting unit, integration, functional and regression tests
Preferred Qualifications
- Master’s degree in computer science or a related field
- Experience developing in a Linux environment
- Experience applying service-oriented architecture techniques to production use cases
- Experience in developing secure, multi-platform mobile applications
- Participate in brainstorming and technical ideation for projects with product, growth, and engineering
- You will design Scalable and Fault-Tolerant systems
- You will help Maintain critical and auxiliary systems (databases, cache ...)
- You will build Experiments that help validate hypotheses for the product
Experience:
2+yrs In your first 3 months, you will…
- Successfully onboard and create strong bonds with the current team
- Participate in brainstorming and technical ideation for projects with product, growth, and engineering
- Contribute to existing product features and experimentation
In your first 6 months, you will…
- Develop prototypes of new features or products using rapid iteration and experimentation as we explore new ideas
- Partner across the engineering team to ship features
In your first year, you will...
- Champion best-in-class engineering practices and systems for an emerging engineer team
- Help build a suite of features for the product
Our Ideal Hire:
- Learned best practices and has experienced the challenges and joys working at a startup
- Managed and maintained production code at increasing scales
- Feels strongly motivated by our mission
- Communicates complex problems and proposes solutions, in writing and in conversation
Expertise:
- Proficiency in any one language (ex: NodeJS / Go / Python)
- MySQL (design / indices / optimizing queries)
- Redis (types/ functionality/ use cases)
Hands-on experience:
- Handled scaling issue
- Good at debugging
Good to have:
- Kafka (or other stream-processing software)
- AWS
Do not apply if you are not:
- Ownership driven
- Curious in general
- Able to explain things in simple terms
- Self-motivated
- Use to work in the chaotic environment
- Highly proactive
- Willing to Mentor and humble to ask for collaboration
- Most important, Learn & Grow yourself!
- Hungry to grow anymore
A backend developer works alongside front-end developers, full stack developers, programmers or UX specialists to create comprehensive digital solutions for business needs. They make sure the website is scalable and that it can still function when hit by large loads—be that traffic or demanding scripts. They are also tasked with
maintaining and testing existing back-end elements to ensure they’re as fast and efficient as possible. Data storage also comes under their remit, which requires them to have a good knowledge of data security and compliance.
Duties and responsibilities:
• Analyses, designs, develops, and codes REST API using NodeJS more programming languages, Web and Rich Internet Applications.
• Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting.
• Assesses the health and performance of software applications and databases.
• Establishes, participates, and maintains relationships with business units, customers and subject matter experts to remain apprised of direction, project status, architectural and technology trends, risks, and functional/integration issues.
• Defines specifications and develop programs, modifies existing programs, prepares test data, and prepares functional specifications.
• Analyses program and application performance using various programming languages, tools and techniques.
• Manage staff of 2-3 & manage microservices of software most effectively and efficiently.
• Reviews project proposals evaluate alternatives, provides estimates and makes recommendations.
• Designs and defines specifications for systems.
• Identifies potential process improvement areas and suggests options and recommends approaches
System Design Concepts:
- Scaling
- API Gateway
- Microservices
- Message Queue
Qualifications:
Graduation - B. Com + IT Certification/ B.Sc. - IT / B.Sc. Comp Sc./ B.Sc. IT/ BE-IT/ BE-Comps
Technical Skills:
Oracle, SQL, Java, Node JS, REST API Debugging.
Soft Skills:
Client Management; Good interpersonal skills; Good Communication







