Pearl & Python Developer

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:

• Drive backend development for a disruptive product in the Security domain, focusing on innovation, performance, scalability, and maintainability.
• Take ownership of the software design process, including designing workflows, system architecture, and implementation plans.
• Translate functional and technical requirements into detailed architecture and design, making independent decisions to ensure efficiency and scalability.
• Collaborate with cross-functional teams, including frontend and security teams, to deliver cohesive and high-quality solutions.
• Conduct thorough code reviews to ensure adherence to best practices, maintainability, and coding standards.
• Write clean, maintainable, and testable code using Django and Python, adhering to industry best practices.
• Design and implement scalable software components, frameworks, and APIs using Django and Django REST Framework (DRF).
• Troubleshoot, debug, and optimize existing systems to improve functionality and performance.
• Create detailed technical documentation, including flowcharts, layouts, and system requirements, to ensure clarity and alignment.
• Develop and enforce robust software verification plans, quality assurance procedures, and deployment strategies.
• Ensure timely delivery of software updates while addressing user feedback to enhance solutions.
• Provide technical expertise to solve backend challenges and participate in critical decision-making processes.
• Support team growth by sharing knowledge, fostering collaboration, and mentoring junior engineers informally as needed.

Requirements:

• 5–6 years of professional experience in backend development with a strong focus on Django and Python.
• Proficiency in Django REST Framework (DRF), relational databases, SQL, and ORMs (e.g., Django ORM, SQLAlchemy).
• Strong problem-solving skills with the ability to make independent technical decisions regarding system design and implementation.
• Hands-on experience in designing and developing scalable, maintainable, and high-performing backend systems.
• Deep understanding of software engineering practices, including Test-Driven Development (TDD), CI/CD pipelines, and deployment processes.
• Excellent communication skills, with the ability to document and present technical specifications and workflows clearly.
• Familiarity with cloud infrastructure, deployment pipelines, and microservices architectures is a bonus.
• Self-motivated and capable of working independently in a fast-paced environment with minimal supervision.
• Ability to handle ambiguity and adapt to rapidly changing business needs while maintaining focus on delivering quality solutions.

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.
• 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 3 Interview - System Design (Sr. Architect)
• 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.

Job Overview:

We are looking for a seasoned Senior Backend Engineer (SDE III) with over 5 years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.As a Backend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.

Key Responsibilities:

• Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
• Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
• Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
• Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
• Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
• Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
• Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.

Required Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in software engineering
• Proven track record of successfully delivering large-scale, high-impact software projects.
• Strong understanding of software architecture, design patterns, and scalable system design.
• Expertise in multiple programming languages and modern development frameworks For this role we require expertise in Python/Django and API Development
• Experience with cloud infrastructure (AWS), microservices, and distributed systems.
• Good experience with MySQL and ElasticSearch. Slight experience with other NoSQL and SQL databases.
• Experience in DevOps, CI/CD pipelines, and infrastructure automation.
•  Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
• Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
• Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.

Solution Oriented Mindset

• Assist project in all technical aspects of tooling and DevOps
• Proactively lead tools new versions release cycle and documentation
• Proactively identify risks related to application /deliverables and propose a mitigation plan
• Provide custom solutions as per customer requirements

Autonomy & Problem Solving Mindset

• Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
• Must have troubleshooting skills

Agile Mindset

• Contribute to improvement of internal process, tooling, and quality process
• Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis

Responsibilities

• Develop, deploy, and maintain scalable products
• Participate in code reviews, and design discussions to ensure code quality and distribute knowledge
• Pair with team members for functional and non-functional requirements to write well-crafted, well-tested, readable, and maintainable code.
• Help to define roadmap and architecture based on technology and business needs
• Understand business requirements and work closely with the business to provide solutions

Eligibility

• Strong expertise in Backend Python Development with skills to create APIs, integrate the functions into UI, and store and retrieve data from a variety of databases.
• Strong experience with Django/Flask.
• Strong experience in writing unit tests.
• B.Tech/B.E (Preferred CSE)

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.

In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.

What You’ll Do:

• Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
• Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
• Build reusable components and packages for future use.
• Translate specs and user stories into reviewable, test covered patches.
• Peer review code and refactor existing code.
• Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
• Manage Kubernetes and Docker based global deployment of our infrastructure.

Requirements We’re Looking for Someone With:

• Experience working with ORMs like SQLAlchemy or Django (2-3 years)
• Experience with SQL and databases (Postgres preferred)
• Experience in developing large server side applications and microservices
• Ability to create high quality code
• Experience with python testing tools (pytest) and test automation
• Familiarity with code versioning tools like GIT
• Strong sense of ownership and leadership quality
• Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Experience with ReactJS, Google Cloud, Heroku
• Cloud deployment and scaling experience

Who We are

At e6data (https://e6x.io/">https://e6data.io) we’re building core algorithms that makes querying 25 - 200X more performant (i.e. faster and/or cheaper) than every other analytics platform in the world. This results in billions of dollars of value unlocked across faster analytics, savings on compute / infra, and new use cases becoming possible.

Our core team has 100+ years of combined experience and 10+ patents across diverse but complementary disciplines like real time databases, time series databases, SQL OLAP engines, distributed computing platforms, stream processing, and log analytics. Two of the founding team are second time founders with past exits.

We are passionate about solving the deepest and most important problems in computer science, and believe in making our technology available to customers regardless of their location, size, or budget. Our vision is for e6data to power every analytical workload in the world - regardless of deployment scenario (cloud, on-premise, edge), across every use case (end user queries, ETL / data pipelines), and every latency requirement (batch, streaming / real time).

What you'll do?

• Write awesome code
• The focus will be on performance of our data platform
• Identify tactical and long-term product improvements (could be code, script, etc.)
• Responsible for Planning and executing Metadata and Governance tool supports
• Build our internal Data Platform using exdata
• Adding scalable functionality to the system for new features like UDF's, sql functions etc

What are we looking for?

• Worked with Python for a minimum of 2 years
• Well versed with Django REST framework
• Knowledge of document based data stores like MongoDB
• Strong team player
• A passion for continuous learning and growth (both at a personal and team level)
• Experience (or enjoys) working in a startup will be an added advantage

• Must have experience with Amazon Web Services (AWS)
• Experience with Python/Node.JS/Typescript
• At least 2+ years as back-end software developer
• A deep understanding of the benefits of the Microservice and serverless paradigms
• Prepared technical documentation, and understand why it’s important
• Understanding of database principals: SQL and NoSQL
• Collaboration and communication skills (you’ll be working with clients and internal teams)
• An understanding of programming fundamentals (OOP, data structures, algorithms)
• Familiarity and comfort with REST API, Postman
• The ability to work independently or within a team structure.
• A “lead by example” attitude, and motivation to deliver work you’re proud of

Required Skills:

• Expert in Python and Django framework
• Expert in developing backend applications with RESTful APIs Using Django Rest Framework
• Good understanding of front-end technologies, such as JavaScript, ReactJS , HTML5, and CSS3
• Understanding of fundamental design principles behind a scalable application
• Proficient understanding of GitHub
• Strong programming basics, with a clear understanding of Object-Oriented and Functional programming.
• Good communication skills and ability to work with global teams to define and deliver on projects.