Senior Backend Engineer (Java / Golang) SDE 3

Wissen Technology is now hiring for a Java Developer - Bangalore 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. 

Experience: 4-8 years

Required Skills:

• 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.

Senior Software Engineer – SQL Server / T-SQL

Chennai | IIT Madras Research Park | Full-Time

About Novacis Digital

Novacis Digital is a product-first technology company building AI-driven platforms and large-scale data systems. Our products process complex, high-volume data to power real-time analytics and GenAI-driven experiences.

We don’t see SQL as “just a database layer” - we treat it as a core compute engine. If you love writing efficient SQL and solving performance problems, this is the role for you.

What You Will Do

·      Design and build complex T-SQL stored procedures involving Dynamic SQL, along with views, functions, and triggers

·      Implement flexible, metadata-driven query frameworks using sp_executesql and parameterized Dynamic SQL

·      Engineer high-performance, set-based queries using CTEs, window functions, temp tables and table variables

·      Optimize queries using execution plans, statistics and DMVs

·      Refactor inefficient queries and redesign schemas for performance and scalability

·      Solve real-world challenges related to locks, blocking, deadlocks and transaction isolation

·      Collaborate with application engineers to build reliable, high-performance data access layers

What We’re Looking For

We’re looking for true SQL engineers — people who think in execution flow, logic and data behavior rather than just syntax.

You should have:

·      4+ years of deep hands-on experience with Microsoft SQL Server & T-SQL

·      Strong expertise in:

o  Stored Procedures (with Dynamic SQL)

o  Views

o  Functions

o  Triggers

·      Strong experience with:

o  Dynamic SQL best practices and secure execution patterns

o  Indexing strategies and query plan optimization

o  Handling parameter sniffing and plan instability

·      Strong knowledge of:

o  Temp tables vs table variables

o  Cardinality estimation

o  Cost-based optimization concepts

Nice to Have

·      Exposure to GenAI data pipelines or analytical architectures

·      Exposure to Graph, Vector and No SQL Databases

How We Work

·      We write production-grade T-SQL

·      We value performance, clarity, and correctness

·      We invest heavily in query readability and maintainability

·      Engineering quality is non-negotiable

Apply Now

If you enjoy designing complex Dynamic SQL-powered stored procedures and tuning systems at scale, we’d like to talk.

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.

The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.

Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.

Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.

Actively participates with other consultants in problem-solving and approach development.

Responsibilities :

Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.

Perform data analysis to validate data models and to confirm the ability to meet business needs.

Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.

Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.

Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.

Coordinate with Data Architects, Program Managers and participate in recurring meetings.

Help and mentor team members to understand the data model and subject areas.

Ensure that the team adheres to best practices and guidelines.

Requirements :

- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.

- Experience with Spark optimization/tuning/resource allocations

- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.

- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).

- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.

- Have a deep understanding of the various stacks and components of the Big Data ecosystem.

- Hands-on experience with Python is a huge plus

Job Description

• Designing system architecture, develop and maintain high performing & scalable services using Node.js frameworks.
• Extensively engage in iterative development model right from requirement analysis, estimation, development, testing & production support
• Mentor, groom junior developers and participate in code reviews
• Contribute towards building company’s coding culture

Requirements

• 3+ years of relevant industry experience in Node.js
• A deep understanding of JavaScript
• Experience working with SQL and NoSQL databases
• Experience with Unit and Integration tests
• Experience with CI/CD
• Experience with MathJax/Latex
• Experience with large scale video streaming
• Experience with ReactJS is a bonus

We are seeking a skilled Node.js + Python Developer to join our team. The successful candidate will be responsible for developing and maintaining web applications using Node.js and Python. The ideal candidate will have a strong understanding of both Node.js and Python, as well as web application development. Responsibilities:

Developing and maintaining web applications using Node.js and Python

Write clean and efficient code that adheres to Node.js and Python coding standards

Collaborate with other developers and team members to design and implement new features

Troubleshoot and debug issues in existing code

Create and maintain technical documentation

Requirements:

Strong knowledge of Node.js and Python

Familiarity with front-end technologies such as HTML, CSS, and JavaScript

Experience with MySQL/Mongo and database design

Good understanding of object-oriented programming and design patterns

Strong problem-solving skills and attention to detail

Good communication skills and ability to work in a team environment

Preferred Qualifications:

Experience with popular Node.js frameworks such as Express or Koa

Experience with OpenAi APIs

Knowledge of machine learning and data science libraries in Python such as TensorFlow, Scikit-learn, and Pandas

Experience with RESTful API development

Experience with payment gateway integrations

•  5+ years of experience developing web applications using J2EE.
•  5+ years of experience in Spring Boot.
•  Good knowledge of MicroServices.
•  Experience working with tools like Git, Maven.
•  Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.
•  Working experience in Industry Standard protocols related API Security including OAuth is a must.
•  Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
•  Strong background working with Linux/UNIX environments.
•  Strong Shell scripting experience.
•  Working knowledge with Oracle, DB2 or Mongo DB databases.
•  Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
•  Strong agile/scrum development experience
•  Strong collaboration and communication skills within distributed project team
•  Excellent written and verbal communication skills

• Translation of complex functional requirements into technical requirements
• Design, develop and maintain complex systems using best of the breed development practices and technology.
• Responsible for the overall software development life cycle.
• Delivery of High Quality & Scalable systems and applications with a sharp focus on timelines.
• Being on the lookout for bettering the software engineering practices and tools within the organization
• Collaboration with other stakeholders to provide robust and well-rounded solutions
• Report on the status of product delivery and quality to management, customer support and product teams.

• Experience of 5+ years in designing & developing highly scalable, performant web applications
• Strong programming, debugging, and problem-solving skills
• Strong Computer Science Fundamentals (Data structures and Algorithms)
• Sound understanding of object-oriented programming and excellent software design skills.
• Good experience of Restful services using Java Springboot
• Strong understanding of database design and SQL (PostgreSQL / MySQL) development
• Good to have knowledge of NoSQL technologies like Redis, MongoDB, Cassandra or any other NoSQL database
• Knowledge of design patterns and good to have experience of large-scale applications
• Should have experience in Apache Kafka, RabbitMQ, SQS or other Queueing systems.
• Experience of working with Amazon Web Services (AWS), Google Cloud Computing (GCP) would be considered as an advantage
• Experience of developing with Serverless Model will be an advantage.

As a Senior Software Engineer you have complete ownership of building out the Docexa product along with product people and the rest of the engineering team. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.

Your daily life

• Architecting of the whole platform
• Development of server-side logic
• Building new services and APIs
• Developing core business logic
• Maintenance of current APIs
• Improving the performance and reliability of our systems as we scale

Must-have skills

• You’ve been building web applications professionally for 4+ years
• You’re proficient in PHP 7, Laravel, and PostgreSQL
• You possess strong OOP and design pattern knowledge
• You are familiar with modern technology systems: AWS, load balancers, Kafka queues, caching, etc.
• You write understandable, testable and easy to maintain code
• You’ve the ability to build RESTful APIs
• Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
• Well versed with the fundamentals of computer science and distributed systems

Roles and responsibilities

• • Develop well-designed, performant and scalable microservices
  • Write reusable, testable, and efficient code that follow software development best practices
  • Integrate data storage solutions including databases, key-value stores, blob stores, etc.
  • Expose business functionality to frontend/mobile applications and partner systems through secure and scalable APIs.
  • Build integrations with 3rd party applications through apis’ to ingest and process data
  • Ensure security and data protection aspects within the applications
  • Contribute to devops by building CD/CI pipelines to automate releases
  • Ensure high performance and availability of distributed systems and applications
  • Interact directly with client project team members and operational staff to support live customer deployments and production issues.

• 4+ years of experience in developing applications using Scala and related technologies.
• Thorough understanding of multithreading concepts and async execution using Actor model.
• Thorough understanding of Play framework, GraphQL and GRPC technologies.
• Experience in using DAL and ORM (Object Relational Mapper) libraries for data access.
• Experiencing in developing and hosting APIs and integration with external applications.
• Experience in building data models and repositories using relational and NoSql databases.
• Knowledge of JIRA, Bitbucket and agile methodologies.
• Good to have knowledge of AWS services like Lambda, dynamodb, kinesis and others.
• Understanding of fundamental design principles behind a scalable application.
• Familiarity with event-driven programming and distributed architectures.
• Strong unit test and debugging skills
• Affinity for learning and applying new technologies and solving new problems
• Effective organizational skills with strong attention to detail
• Experience in working with docker is a plus
• Comfortable in working with Unix/Linux environment
• Strong communication skills — both written and verbal