KJBN labs

Are you a UI whiz with a knack for crafting beautiful and intuitive interfaces? Do you love the

challenge of building cross-platform apps with cutting-edge technologies? If so, we want you on our

team!

About the Role:

We're seeking a talented and passionate Software Engineer with a deep understanding of

JavaScript, React, and Flutter to join our fast-growing team. You'll play a key role in designing,

developing, and implementing user interfaces for our web and mobile applications. You'll collaborate

closely with designers, product managers, and backend engineers to bring our vision to life and

create exceptional user experiences.

Responsibilities:

- Design and develop user interfaces (UI) using JavaScript, React, and Flutter

- Build reusable, maintainable, and performant UI components

- Implement responsive layouts that adapt seamlessly across different devices (web, mobile)

- Integrate UI components with backend APIs

- Write clean, well-documented, and testable code

- Collaborate with designers to translate design mockups into functional UIs

- Participate in code reviews and knowledge sharing

- Stay up-to-date on the latest UI development trends and technologies

Qualifications:

- 3+ years of experience as a software engineer with a focus on UI development

- Proficiency in JavaScript, including ES6+ features

- In-depth knowledge of React and experience building React applications

- Solid understanding of Flutter and experience building cross-platform mobile apps

- Experience with UI design principles (user experience, accessibility)

- Familiarity with CSS frameworks (e.g., Bootstrap, Material-UI) a plus

- Experience with state management libraries (e.g., Redux, MobX) a plus

- Experience with unit testing frameworks (e.g., Jest) a plus

- Excellent problem-solving and analytical skills

- Strong communication and collaboration skills

- Ability to work independently and as part of a team

Bonus Points:

- Experience with UI animation libraries (e.g., React Spring, Rive)

- Experience with continuous integration/delivery (CI/CD) pipelines

- Experience with accessibility best practices

- Experience with version control systems (e.g., Git)

Job Description: We are looking for a talented UI/UX Designer with experience in building SaaS

products to join our dynamic team. This role is perfect for a creative individual who thrives in a

fast-paced environment and is passionate about delivering exceptional user experiences from

concept to launch.

Roles and Responsibilities:

1. UI/UX Design for SaaS Products:

● Collaborate with product managers, engineers, and stakeholders to understand project

requirements and user needs.

● Design intuitive and engaging user interfaces for our SaaS products, ensuring a

seamless user experience across web and mobile platforms.

● Apply design thinking and user-centered design principles to create innovative solutions

that solve user problems and drive business objectives.

● Utilize industry-standard UI/UX tools and technologies to design mockups, prototypes,

and user flows.

2. Product Development Process:

● Understand the product development lifecycle and actively contribute to the entire

process, from ideation to launch.

● Work on products from 0 to 1, contributing to brainstorming sessions, concept

development, and iterative design improvements.

● Collaborate closely with cross-functional teams to iterate on designs based on user

feedback, technical constraints, and business requirements.

3. Creativity and Design Principles:

● Demonstrate a strong sense of creativity and innovation in designing user interfaces

that are visually appealing, functional, and easy to use.

● Apply design principles such as typography, color theory, and visual hierarchy to create

cohesive and aesthetically pleasing designs.

4. UI/UX Tools:

● Utilize the latest UI/UX tools and technologies to streamline the design process and

create high-fidelity prototypes, including but not limited to Sketch, Adobe XD, Figma, or

InVision.

5. Communication and Collaboration:

● Communicate design ideas, concepts, and rationale effectively to stakeholders and

team members through sketches, wireframes, prototypes, and presentations.

● Collaborate closely with developers to ensure design feasibility and implementation

fidelity throughout the development process.

6. Information Architecture:

● Define the information architecture and navigation structure of our SaaS products to

optimize usability and findability of content.

7. Wireframing and Prototyping:

● Create wireframes, mockups, and interactive prototypes to visualize design concepts

and validate user flows and interactions.

8. Interaction Design:

● Design intuitive and responsive interactions that enhance user engagement and

facilitate task completion.

9. Empathy Maps and UX Research:

● Develop empathy maps and conduct user research to gain insights into user behaviors,

needs, and pain points.

● Utilize UX research findings to inform design decisions and iterate on designs based on

user feedback.

Qualifications:

● Bachelor's degree in design, human-computer interaction, or related field; equivalent work

experience may be considered.

● Proven experience as a UI/UX Designer, preferably with a focus on SaaS products.

● Strong portfolio showcasing a range of UI/UX design projects and processes, including

wireframes, prototypes, and finished designs.

● Proficiency in UI/UX design tools such as Sketch, Adobe XD, Figma, or InVision.

● Excellent communication, collaboration, and problem-solving skills.

● Ability to thrive in a fast-paced, dynamic environment and manage multiple projects with tightdeadline

We are seeking a highly skilled Software Development Engineer in Test (SDET) with a strong foundation in

mobile, API,and web test automation. You will play a pivotal role in ensuring the quality and reliability of our

products by designing,developing, and executing comprehensive test automation frameworks.

Required Skills:

● Strong programming skills in at least one language (Java, Python, JavaScript, etc.).

● Experience with mobile test automation frameworks (Appium, Espresso, XCTest).

● Proficiency in API testing tools and frameworks (Postman, Rest Assured, JMeter).

● Expertise in web test automation frameworks (Selenium, Cypress, Playwright).

● Solid understanding of software development lifecycle and testing methodologies.

● Experience with CI/CD pipelines and test automation integration.

● Excellent problem-solving and analytical skills.

● Strong attention to detail and quality focus.

Preferred Skills:

● Experience with performance testing and load testing.

● Knowledge of cloud-based testing platforms.

● Experience with test data management.

● Understanding of security testing concepts.

If you are passionate about quality assurance and have a strong desire to build and maintain high-quality

software, we encourage you to apply!

Keywords: SDET, Software Development Engineer in Test, mobile test automation, API testing, web test

automation,Appium, Espresso, XCTest, Postman, Rest Assured, JMeter, Selenium, Cypress, Playwright,

CI/CD, QA, testing

We are looking for a talented Lead UI/UX Designer with experience in building SaaS

products to join our dynamic team. This role is perfect for a creative individual who thrives in a

fast-paced environment and is passionate about delivering exceptional user experiences from

concept to launch.

Salary No bar for good candidates.

Qualifications:

● Bachelor's degree in design, human-computer interaction, or related field; equivalent work

experience may be considered.

● Proven experience as a UI/UX Designer, preferably with a focus on SaaS products.

● Strong portfolio showcasing a range of UI/UX design projects and processes, including

wireframes, prototypes, and finished designs.

● Proficiency in UI/UX design tools such as Sketch, Adobe XD, Figma, or InVision.

● Excellent communication, collaboration, and problem-solving skills.

● Ability to thrive in a fast-paced, dynamic environment and manage multiple projects with tight

deadlines.

Senior Data Engineer Job Description

Overview

The Senior Data Engineer will design, develop, and maintain scalable data pipelines and

infrastructure to support data-driven decision-making and advanced analytics. This role requires deep

expertise in data engineering, strong problem-solving skills, and the ability to collaborate with

cross-functional teams to deliver robust data solutions.

Key Responsibilities

Data Pipeline Development: Design, build, and optimize scalable, secure, and reliable data

pipelines to ingest, process, and transform large volumes of structured and unstructured data.

Data Architecture: Architect and maintain data storage solutions, including data lakes, data

warehouses, and databases, ensuring performance, scalability, and cost-efficiency.

Data Integration: Integrate data from diverse sources, including APIs, third-party systems,

and streaming platforms, ensuring data quality and consistency.

Performance Optimization: Monitor and optimize data systems for performance, scalability,

and cost, implementing best practices for partitioning, indexing, and caching.

Collaboration: Work closely with data scientists, analysts, and software engineers to

understand data needs and deliver solutions that enable advanced analytics, machine

learning, and reporting.

Data Governance: Implement data governance policies, ensuring compliance with data

security, privacy regulations (e.g., GDPR, CCPA), and internal standards.

Automation: Develop automated processes for data ingestion, transformation, and validation

to improve efficiency and reduce manual intervention.

Mentorship: Guide and mentor junior data engineers, fostering a culture of technical

excellence and continuous learning.

Troubleshooting: Diagnose and resolve complex data-related issues, ensuring high

availability and reliability of data systems.

Required Qualifications

Education: Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science,

or a related field.

Experience: 5+ years of experience in data engineering or a related role, with a proven track

record of building scalable data pipelines and infrastructure.

Technical Skills:

Proficiency in programming languages such as Python, Java, or Scala.

Expertise in SQL and experience with NoSQL databases (e.g., MongoDB, Cassandra).

Strong experience with cloud platforms (e.g., AWS, Azure, GCP) and their data services

(e.g., Redshift, BigQuery, Snowflake).

Hands-on experience with ETL/ELT tools (e.g., Apache Airflow, Talend, Informatica) and

data integration frameworks.

Familiarity with big data technologies (e.g., Hadoop, Spark, Kafka) and distributed

systems.

Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes) is a

plus.

Soft Skills:

Excellent problem-solving and analytical skills.

Strong communication and collaboration abilities.

Ability to work in a fast-paced, dynamic environment and manage multiple priorities.

Certifications (optional but preferred): Cloud certifications (e.g., AWS Certified Data Analytics,

Google Professional Data Engineer) or relevant data engineering certifications.

Preferred Qualifica

Experience with real-time data processing and streaming architectures.

Familiarity with machine learning pipelines and MLOps practices.

Knowledge of data visualization tools (e.g., Tableau, Power BI) and their integration with data

pipelines.

Experience in industries with high data complexity, such as finance, healthcare, or

e-commerce.

Work Environment

Location: Hybrid/Remote/On-site (depending on company policy).

Team: Collaborative, cross-functional team environment with data scientists, analysts, and

business stakeholders.

Hours: Full-time, with occasional on-call responsibilities for critical data systems.