Graphic Designer

A BIT ABOUT US

Appknox is one of the top Mobile Application security companies recognized by Gartner and G2. A profitable B2B SaaS startup headquartered in Singapore & working from Bengaluru.

The primary goal of Appknox is to help businesses and mobile developers secure their mobile applications with a focus on delivery speed and high-quality security audits.

Our business includes Fortune 500 companies with Major brands spread across regions like India, South-East Asia, Middle-East, Japan, US, and expanding rapidly. 

The Opportunity:

We are seeking a highly skilled Senior Software Engineer (Backend) to join our dynamic software development team. In this role, you will contribute to key backend projects, collaborate across teams, and play a vital part in delivering robust, scalable, and high-performance software solutions. As a senior engineer, you will work independently, make impactful technical decisions, and help shape the backend architecture while collaborating with a passionate, high-performing team.

You will work hands-on with products primarily built in Python, with opportunities to contribute to Golang. These technologies are at the core of our development stack, and your focus will be on building, scaling, and maintaining distributed services. Distributed systems are integral to our architecture, providing a chance to gain hands-on experience with maintaining and optimizing them in a fast-paced environment.

As a Senior Engineer, you are expected to:

• Write clean, maintainable, and testable code while following best practices.
• Architect solutions, address complex problems, and deliver well-thought-out technical designs.
• Take ownership of assigned modules and features, delivering them with minimal supervision.
• Contribute to code reviews and technical discussions, ensuring high-quality deliverables.

We highly value open source contributions and encourage you to check out our work on GitHub at Appknox GitHub. While no prior experience in security is required, our experienced security professionals are available to support you in understanding the domain.

This role offers a unique opportunity to work on cutting-edge technology, drive impactful solutions, and grow within a collaborative environment that values autonomy, innovation, and technical excellence.

Responsibilities:

• Contribute to backend development for a cutting-edge product in the Security domain, with focus on performance, reliability, and maintainability.
• Implement software components and features based on high-level architectural guidance using Django and Django REST Framework (DRF).
• Collaborate with senior engineers to translate functional and technical requirements into robust backend implementations.
• Write clean, modular, and testable code following industry best practices and team standards.
• Participate in design discussions and code reviews to maintain code quality and continuously learn from peers.
• Work closely with frontend, QA, and security teams to deliver well-integrated, end-to-end solutions.
• Troubleshoot, debug, and resolve issues in existing systems, ensuring stability and efficiency.
• Contribute to the creation of technical documentation for components and modules you build or maintain.
• Follow defined verification plans and contribute to improving test coverage and automation.
• Participate in sprint planning, estimations, and agile ceremonies to support timely and effective project delivery.
• Proactively seek feedback and continuously improve your technical skills and understanding of system architecture.
• Support team success by collaborating effectively, sharing knowledge, and guiding junior team members when needed.

Requirements:

• Solid hands-on experience with Django and Django REST Framework 3-4 years
• Good understanding of relational databases, SQL, and working with ORMs such as Django ORM.
• Ability to contribute to design discussions and implement well-structured, maintainable backend systems.
• Exposure to writing unit and integration tests; familiarity with CI/CD pipelines and version control systems
• Proficiency in debugging, performance optimization, and addressing scalability concerns under guidance.
• Strong fundamentals in data structures, algorithms, and clean coding practices.
• Able to collaborate effectively within a team and take ownership of moderately complex modules.
• Good communication skills, with the ability to document and explain solutions to peers.
• Familiarity with cloud platforms and microservices architecture is a plus.
• Self-driven with a growth mindset and willingness to learn from peers and feedback.

Work Expectations:

Within 1 month-

• Attend KT sessions conducted by the engineering and product teams to gain a deep understanding of the product, its architecture, and workflows.
• Learn about the team's development processes, tools, and key challenges.
• Work closely with the product team to understand product requirements and contribute to the design and development of features.
• Dive deep into the existing backend architecture, including database structures, APIs, and integration points, to fully understand the technical landscape
• Begin addressing minor technical challenges and bugs, while understanding the underlying architecture and tech stack.
• Begin to participate in creating action plans for new features, ensuring that design and implementation are aligned with product goals.

Within 3 months-

• Achieve full autonomy in working on the codebase, demonstrating the ability to independently deliver high-quality features from design to deployment.
• Take complete ownership of critical modules, ensuring they are optimized for performance and maintainability.
• Act as a technical resource for the team, offering support and guidance to peers on complex issues.
• Collaborate with DevOps to optimize deployment pipelines, debug production issues, and improve backend infrastructure.
• Lead discussions for technical solutions and provide recommendations for architectural improvements.
• Contribute to the design of new features by translating functional requirements into detailed technical specifications.
• Prepare regular updates on assigned tasks and communicate effectively with the engineering manager and other stakeholders.

Within 6 months-

• Be fully independent in their development tasks, contributing to key features and solving critical challenges.
• Demonstrate strong problem-solving skills and the ability to take ownership of technical modules.
• Actively participate in code reviews and technical discussions, ensuring high-quality deliverables.
• Collaborate seamlessly with cross-functional teams to align technical solutions with business requirements.
• Establish themselves as a reliable and proactive team member, contributing to the team’s growth and success.

Personality traits we really admire:

• Great attitude to ask questions, learn and suggest process improvements.
• Has attention to details and helps identify edge cases.
• Proactive mindset. 
• Highly motivated and coming up with ideas and perspective to help us move towards our goals faster.
• Follows timelines and absolute commitment to deadlines.

Interview Process 

• Round 1 Interview - Profile Evaluation (EM)
• Round 2 Interview - Assignment Evaluation & Technical Problem Solving discussion (Tech Team)
• Round 4 Interview - Engineering Team & Technical Founder (CTO)
• Round 5 Interview - HR

Compensation

• Best in industry

We prefer that every employee also holds equity in the company. In this role, you will be awarded equity after 12 months, based on the impact you have created.

Please be aware that all your customers are Enterprises and Fortune 500 companies.

Why Join Us:

• Freedom & Responsibility: If you are a person who enjoys challenging work & pushing your boundaries, then this is the right place for you. We appreciate new ideas & ownership as well as flexibility with working hours.
• Great Salary & Equity: We keep up with the market standards & provide pay packages considering updated standards. Also as Appknox continues to grow, you’ll have a great opportunity to earn more & grow with us. Moreover, we also provide equity options for our top performers.
• Holistic Growth: We foster a culture of continuous learning and take a much more holistic approach to training and developing our assets: the employees. We shall also support you all on that journey of yours.
• Transparency: Being a part of a start-up is an amazing experience one of the reasons being the open communication & transparency at multiple levels. Working with Appknox will give you the opportunity to experience it all first hand.
• Health insurance: We offer health insurance coverage upto 5 Lacs for you and your family including parents.

• Overall Synopsis (Skills to focus) 
• Brush up your skills in Photoshop & Illustrator
• Illustrator tools - Pen tool, Gradient, Pathfinder, Blending modes, type on a path, rotate and reflect, mesh tool, selection tool, etc.
• Photoshop tools – change the color of the background, remove a selection, pen tool etc. 
• Make sure to revise to recreate curves, and nodes smoothly while doing vectorization.
• Try making some logo designs, and work on the curves & texture.

This is a full-time WFH NIGHT SHIFT role.

The role is fully remote, but the client is conducting a drive on a given date and place.

19th, 20th April: Kolkata

Candidates who are not from Kolkata will attend the Virtual Interview Drive.

All the rounds will be online.

Sigmoid works with a variety of clients from start-ups to fortune 500 companies. We are looking for a detailed oriented self-starter to assist our engineering and analytics teams in various roles as a Software Development Engineer.

This position will be a part of a growing team working towards building world class large scale Big Data architectures. This individual should have a sound understanding of programming principles, experience in programming in Java, Python or similar languages and can expect to

spend a majority of their time coding.

Location - Bengaluru and Hyderabad

Responsibilities:

● Good development practices

○ Hands on coder with good experience in programming languages like Java or

Python.

○ Hands-on experience on the Big Data stack like PySpark, Hbase, Hadoop, Mapreduce and ElasticSearch.

○ Good understanding of programming principles and development practices like checkin policy, unit testing, code deployment

○ Self starter to be able to grasp new concepts and technology and translate them into large scale engineering developments

○ Excellent experience in Application development and support, integration development and data management.

● Align Sigmoid with key Client initiatives

○ Interface daily with customers across leading Fortune 500 companies to understand strategic requirements

● Stay up-to-date on the latest technology to ensure the greatest ROI for customer &Sigmoid

○ Hands on coder with good understanding on enterprise level code

○ Design and implement APIs, abstractions and integration patterns to solve challenging distributed computing problems

○ Experience in defining technical requirements, data extraction, data

transformation, automating jobs, productionizing jobs, and exploring new big data technologies within a Parallel Processing environment

● Culture

○ Must be a strategic thinker with the ability to think unconventional /

out:of:box.

○ Analytical and data driven orientation.

○ Raw intellect, talent and energy are critical.

○ Entrepreneurial and Agile : understands the demands of a private, high growth company.

○ Ability to be both a leader and hands on "doer".

Qualifications: -

- Years of track record of relevant work experience and a computer Science or related technical discipline is required

- Experience with functional and object-oriented programming, Java must.

- hand-On knowledge in Map Reduce, Hadoop, PySpark, Hbase and ElasticSearch.

- Effective communication skills (both written and verbal)

- Ability to collaborate with a diverse set of engineers, data scientists and product managers

- Comfort in a fast-paced start-up environment

Preferred Qualification:

- Technical knowledge in Map Reduce, Hadoop & GCS Stack a plus.

- Experience in agile methodology

- Experience with database modeling and development, data mining and warehousing.

- Experience in architecture and delivery of Enterprise scale applications and capable in developing framework, design patterns etc. Should be able to understand and tackle technical challenges, propose comprehensive solutions and guide junior staff

- Experience working with large, complex data sets from a variety of sources

• You will design and develop large scale distributed services.
• You will analyze and improve the efficiency, scalability, stability, and security of the platform as a whole.
• You will act as the primary owner of one or more components while driving innovation in your area of ownership.
• You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
• You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
• You will work independently and handle dependencies with very minimal oversight.
• You will take initiatives in developing and maintaining integrations of best practices within the back-end.
• You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.

• You have 2+ years of experience in product software development.
• You have designed and scaled up the system.
• You have a strong understanding of Data Structures and Algorithms.
• You are an incessant problem solver and tougher the problem gets, more fun you have.
• You have strong command in any one or more of the following languages: Python.
• You understand the business impact of your decisions.

• Desire to explore new technology and break new ground.
• Are passionate about Open Source technology, continuous learning, and innovation.
• Have the problem-solving skills, grit, and commitment to complete challenging work assignments and meet deadlines.

Qualifications

• Engineer enterprise-class, large-scale deployments, and deliver Cloud-based Serverless solutions to our customers.
• You will work in a fast-paced environment with leading microservice and cloud technologies, and continue to develop your all-around technical skills.
• Participate in code reviews and provide meaningful feedback to other team members.
• Create technical documentation.
• Develop thorough Unit Tests to ensure code quality.

Skills and Experience

• Advanced skills in troubleshooting and tuning AWS Lambda functions developed with Java and/or Python.
• Experience with event-driven architecture design patterns and practices
• Experience in database design and architecture principles and strong SQL abilities
• Message brokers like Kafka and Kinesis
• Experience with Hadoop, Hive, and Spark (either PySpark or Scala)
• Demonstrated experience owning enterprise-class applications and delivering highly available distributed, fault-tolerant, globally accessible services at scale.
• Good understanding of distributed systems.
• Candidates will be self-motivated and display initiative, ownership, and flexibility.

Preferred Qualifications

• AWS Lambda function development experience with Java and/or Python.
• Lambda triggers such as SNS, SES, or cron.
• Databricks
• Cloud development experience with AWS services, including:
• IAM
• S3
• EC2
• AWS CLI
• API Gateway
• ECR
• CloudWatch
• Glue
• Kinesis
• DynamoDB
• Java 8 or higher
• ETL data pipeline building
• Data Lake Experience
• Python
• Docker
• MongoDB or similar NoSQL DB.
• Relational Databases (e.g., MySQL, PostgreSQL, Oracle, etc.).
• Gradle and/or Maven.
• JUnit
• Git
• Scrum
• Experience with Unix and/or macOS.
• Immediate Joiners

Nice to have:

• AWS / GCP / Azure Certification.
• Cloud development experience with Google Cloud or Azure