
Senior Backend Developer
at Fast-growing startup that serving retail industry

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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.
We are looking for a Technical Lead - GenAI with a strong foundation in Python, Data Analytics, Data Science or Data Engineering, system design, and practical experience in building and deploying Agentic Generative AI systems. The ideal candidate is passionate about solving complex problems using LLMs, understands the architecture of modern AI agent frameworks like LangChain/LangGraph, and can deliver scalable, cloud-native back-end services with a GenAI focus.
Key Responsibilities :
- Design and implement robust, scalable back-end systems for GenAI agent-based platforms.
- Work closely with AI researchers and front-end teams to integrate LLMs and agentic workflows into production services.
- Develop and maintain services using Python (FastAPI/Django/Flask), with best practices in modularity and performance.
- Leverage and extend frameworks like LangChain, LangGraph, and similar to orchestrate tool-augmented AI agents.
- Design and deploy systems in Azure Cloud, including usage of serverless functions, Kubernetes, and scalable data services.
- Build and maintain event-driven / streaming architectures using Kafka, Event Hubs, or other messaging frameworks.
- Implement inter-service communication using gRPC and REST.
- Contribute to architectural discussions, especially around distributed systems, data flow, and fault tolerance.
Required Skills & Qualifications :
- Strong hands-on back-end development experience in Python along with Data Analytics or Data Science.
- Strong track record on platforms like LeetCode or in real-world algorithmic/system problem-solving.
- Deep knowledge of at least one Python web framework (e.g., FastAPI, Flask, Django).
- Solid understanding of LangChain, LangGraph, or equivalent LLM agent orchestration tools.
- 2+ years of hands-on experience in Generative AI systems and LLM-based platforms.
- Proven experience with system architecture, distributed systems, and microservices.
- Strong familiarity with Any Cloud infrastructure and deployment practices.
- Should know about any Data Engineering or Analytics expertise (Preferred) e.g. Azure Data Factory, Snowflake, Databricks, ETL tools Talend, Informatica or Power BI, Tableau, Data modelling, Datawarehouse development.
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 3 to 8 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
- 3 - 5 years of progressive IT experience with a minimum of 1+ years in building Ruby on Rails Web applications and RESTful API endpoints
- Proficient with scripting languages, specifically Python and Bash
- Experience in Object Oriented Java Script.
- Must have Linux command line experience.
- Good experience in developing and integrating reliable REST web services.
- Possess good communication, organizational and creative thinking skills.
- Multi-tasking individual that likes to work both in a team environment and individually
- Excellent technical abilities, leadership, decision making, and adaptability to new technology
- Good knowledge of Agile processes and practice
- Team player
Job Description :
-At least 2+ years of experience in core python development
-Develop reusable , testable and scalable code
-Good exposure to continuous integration tools like Jenkins
-Experience working with version controls like Git.
-Knowledge of popular python libraries and framework.
-Good to have aerospace domain knowledge
- Experience in OOPs /functional coding integrating applications
-Collaborate with other developers and team members to design and implement software solutions

Strong expertise in AWS architecture, deployment and coding using Python and AWS Lambda functions. She/ he should also have experience with NOSQL database like MongoDB/ DynamoDB and exposure to Machine Learning. She/ he should be familiar with Ajax calls, interaction with API using JSON files and xml.
Knowledge of testing tools like JMeter and Selenium and programming languages like Javascript and Dot Net will be a big advantage.
The person should be able to guide junior resources, perform code reviews and solve performance issues as required.
EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.
SKILLS:
- Problem Solving and application of Object Oriented principles to development
- REST API development using Java, JAX-RPC,
- Server side development using Java, Spring Boot, Node.js
- Concurrent programming with Java
- Database programming in SQL with Oracle, MySQL or other RDBMs.
- Deployment to AWS and Kubernetes and building with Maven
- Affinity towards server side development
- Ability to understand existing code and re-engineer/re-factor/redesign.
- Written and spoken English communication and articulation.
NICE TO HAVE:
- Working knowledge of GO Lang and Python scripting
- AWS Certifications
- Working knowledge of Elastic Search based persistence and search
- Secure coding practices
EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.
- Experience level of 6 to 9 years of experience in very large-scale applications.
- Strong problem-solving skills, computer science fundamentals, data structures and
- algorithms their space & time complexities
- Design (LLD & HLD) and architect technical solutions for the business problems of a very large-scale portal.
- Strong hands-on and practical working experience with Java as the programming language
- Strong debugging skills - Code, Logs, DB, JVM
- Excellent coding skills - should be able to convert design into code fluently.
- Hands-on experience working with Databases and Linux platform
1. Technical skills include Java/JDK 6 and above, web services SOAP, REST, Micro Webservice, XML Parsing and schema design skills, JDBC, ORM, Multi-Threading.
2. Hands-on experience in design (HLD/LLD) and design patterns and Design principles is mandatory.
3. Excellent communication and client handling skills are required.
4. Server-side component design, detailed technical design, development, implementation and maintenance
5. In depth knowledge of core java. Solid on coding fundamentals e.g. Object-Oriented design, data structures and dependency injection
6. Hands-on experience in widely used third party frameworks (e.g. Spring, Hibernate)
7. Experience with Java Script framework like EXTJS, Jquery , Angular etc.
8. Strong background Object Oriented analysis and design
9. Hands on experience with Databases technologies preferably MS SQL Server.
10.Knowledge of deployment platforms Jboss/ Wildfly/Tomcat.
11.Experience working in high performing development teams using Agile/Scrum methodologies and tools (eg.Agile,Jira)
12 Experience with automated code review tools and build process.
13.Experience in performance optimization by code optimization, profiling, detecting bottle neck and finding contended locks in system
14.Proven track record of being a successful developer and lead and mentor by accomplishing tasks on schedule with strong initiative, commitment to quality, team blending and leadership skills.
15.The candidate must be highly self-motivated confident and mature, well developed analytical and problem-solving skills with the aptitude to learn as well as a flexibility to adapt to change.
16. Candidate should have worked on end-to-end life cycle of the project (ideation to go-live)
The right candidate will be offered ESOPs as well in their compensation.










