Tech Lead - Backend

Expected Date of Joining Immediate/ 30 days  

What makes Techjays an inspiring place to work

At Techjays, we are helping companies reimagine how they build, operate, and scale with AI at the core.

We operate as part of the 1% of companies globally that can truly leverage AI the right way and not just as experimentation, but as secure, scalable, production-grade systems that drive measurable business outcomes.

Our strength lies in combining deep backend engineering with AI system design, building AInative platforms, intelligent workflows, and cloud architectures that are reliable, observable, and enterprise-ready. Our team includes engineers and leaders who have built and scaled products at global technology organizations such as Google, Akamai, NetApp, ADP, Cognizant Consulting, and Capgemini. Today, we function as a high-agency, execution-focused team building advanced AI systems for global clients.

About the role

We are looking for a strong backend engineer who can design and build secure, scalable Python systems that power AI-native applications.

You will work on AI-enabled platforms, production systems, and scalable backend services that support LLM integrations, RAG pipelines, and intelligent workflows.

Years of Experience: 3 - 5 years

Location: Coimbatore

Key Skills

Backend Development (Familiar):

• Python
• Django / Flask
• RESTful APIs
• Websockets

Cloud Technologies (Familiar):

• AWS (EC2, S3, Lambda)
• GCP (Compute Engine, Cloud Storage, Cloud Functions)
• CI/CD pipelines with Jenkins / GitLab CI or Github Actions

Databases (Familiar):

• PostgreSQL
• MySQL
• MongoDB

AI/ML (Familiar):

• Basic understanding of Machine Learning concepts
• Assist in building and integrating Agentic AI workflows
• Familiar with RAG
• Vector Databases (Pinecone or ChromaDB or others)

Tools:

• Git
• Docker
• Linux

Roles and Responsibilities

• Develop and maintain backend services using Python and Django/Flask under guidance.
• Assist in building scalable and secure APIs and backend systems for AI-driven applications.
• Write clean, efficient, and maintainable code following best practices.
• Collaborate with cross-functional teams including frontend developers, data scientists, and product teams.
• Participate in code reviews, debugging, and performance optimization.
• Support integration of AI/ML components such as LLMs and RAG pipelines.
• Continuously learn and improve technical skills in backend and AI technologies.

What We’re Looking for Beyond Skills

• Builder mindset — you think in systems, not just tickets
• Ownership — you take features from idea to production
• Structured thinking in ambiguous environments
• Clear communication and collaborative approach
• Ability to work in a fast-paced, evolving startup environment

What We Offer

• Competitive compensation
• Paid holidays & flexible time off
• Medical insurance (Self & Family up to ₹4 Lakhs per person)
• Opportunity to work on production-grade AI systems
• Exposure to global clients and high-impact projects
• A culture that values clarity, integrity, and continuous growth

Preferred Qualifications

• Bachelor's degree in Engineering with specialization in Computer science or related field
• 4-10 years of experience as a software engineer in a product development setting
• Deep experience in Python with demonstrated ability to build modern products
• Experience in designing APIs and integration patterns, implementing secure and sustainable products with a focus on quality and scalability
• Experience in FastAPI, Django, or equivalent
• Experience in data modeling and efficient usage of PostgreSQL, MySQL, MongoDB, or equivalent
• Experience with modern components like async python, pedantic, sqlalchemy, alembic, celery, google products API integration, etc. is a plus
• Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
• Experience in other programming languages is a plus, especially Javascript and/or Typescript
• Experience building feature-rich and scalable web apps is a plus
• Ability to grasp new technologies and use them effectively to create industrial-strength software

Real people. Real service.

At SupplyHouse.com, we value every individual team member and cultivate a community where people come first. Led by our core values of Generosity, Respect, Innovation, Teamwork, and GRIT, we’re dedicated to maintaining a supportive work environment that celebrates diversity and empowers everyone to reach their full potential. As an industry-leading e-commerce company specializing in HVAC, plumbing, heating, and electrical supplies since 2004, we strive to foster growth while providing the best possible experience for our customers.

Through an Employer of Record (EOR), we are looking for a new, remote Backend Engineer in India to join our growing IT Team. This individual will report into our Full Stack Team Lead and have the opportunity to work on impactful projects that enhance our e-commerce platform and internal operations, while honing your skills in backend and full stack development. If you’re passionate about creating user-friendly interfaces, building scalable systems, and contributing to innovative solutions in a collaborative and fun environment, we’d love to hear from you! 

Role Type: Full-Time

Location: Remote from India

Schedule: Monday through Friday, 4:00 a.m. – 1:00 p.m. U.S. Eastern Time / 12:00 p.m. – 9:00 p.m. Indian Standard Time to ensure effective collaboration 

Base Salary: $25,000 - $30,000 USD per year

Responsibilities:

• Collaborate with cross-functional teams to gather and refine requirements, ensuring alignment with business needs.
• Design, develop, test, deploy, and maintain scalable, high-performance software applications.
• Develop and enhance internal tools and applications to improve company operations.
• Ensure system reliability, optimize application performance, and implement best practices for scalability.
• Continuously improve existing codebases, conducting code reviews, and implementing modern practices.
• Stay up to date with emerging technologies, trends, and best practices in software development.

Requirements:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of hands-on experience in backend and/or full-stack development with a proven track record of delivering high-quality software.

Back-End Skills:

• Proficiency in Java and experience with back-end frameworks like Spring Boot.
• Strong understanding of database design, RDBMS concepts, and experience with SQL.
• Knowledge of RESTful API design and integration.

Development Lifecycle: Proven ability to contribute across the entire software development lifecycle, including planning, design, coding, testing, deployment, and maintenance.

Tools & Practices:

• Familiarity with version control systems, like Git, and CI/CD pipelines.
• Experience with agile development methodologies.

Additional Skills:

• Strong problem-solving and debugging capabilities.
• Ability to create reusable code libraries and write clean, maintainable code.
• Strong communication and collaboration skills to work effectively within a team and across departments.
• High-level proficiency of written and verbal communication in English.

Preferred Qualifications:

• Proficiency in HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Expertise in modern JavaScript frameworks and libraries such as React, Angular, or Vue.js.
• Experience with cross-browser compatibility and performance optimization techniques. 
• Experience working on Frontend responsibilities such as: 
• Designing and implementing reusable, maintainable UI components and templates.
• Working closely with Designers to ensure technical feasibility and adherence to UI/UX design standards.
• Managing and updating promotional banners and site-wide templates to ensure timely execution of marketing initiatives.

Why work with us: 

• We have awesome benefits – We offer a wide variety of benefits to help support you and your loved ones. These include: Comprehensive and affordable medical, dental, vision, and life insurance options; Competitive Provident Fund contributions; Paid casual and sick leave, plus country-specific holidays; Mental health support and wellbeing program; Company-provided equipment and one-time $250 USD work from home stipend; $750 USD annual professional development budget; Company rewards and recognition program; And more!
• We promote work-life balance – We value your time and encourage a healthy separation between your professional and personal life to feel refreshed and recharged. Look out for our 100% remote schedule and wellness initiatives! 
• We support growth– We strive to innovate every day. In an exciting and evolving industry, we provide potential for career growth through our hands-on training, access to the latest technologies and tools, diversity and inclusion initiatives, opportunities for internal mobility, and professional development budget. 
• We give back –We live and breathe our core value, Generosity, by giving back to the trades and organizations around the world. We make a difference through donation drives, employee-nominated contributions, support for DE&I organizations, and more.  
• We listen – We value hearing from our employees. Everyone has a voice, and we encourage you to use it! We actively elicit feedback through our monthly town halls, regular 1:1 check-ins, and company-wide ideas form to incorporate suggestions and ensure our team enjoys coming to work every day. 

Check us out and learn more at https://www.supplyhouse.com/our-company! 

Additional Details: 

• Remote employees are expected to work in a distraction-free environment. Personal devices, background noise, and other distractions should be kept to a minimum to avoid disrupting virtual meetings or business operations.   
• SupplyHouse.com is an Equal Opportunity Employer, strongly values inclusion, and encourages individuals of all backgrounds and experiences to apply for this position. 
• To ensure fairness, all application materials, assessments, and interview responses must reflect your own original work. The use of AI tools, plagiarism, or any uncredited assistance is not permitted at any stage of the hiring process and may result in disqualification. We appreciate your honesty and look forward to seeing your skills. 
• We are committed to providing a safe and secure work environment and conduct thorough background checks on all potential employees in accordance with applicable laws and regulations.
• All emails from the SupplyHouse team will only be sent from an @supplyhouse.com email address. Please exercise caution if you receive an email from an alternate domain.

What is an Employer of Record (EOR)?

Through our partnership with Remote.com, a global Employer of Record (EOR), you can join SupplyHouse from home, while knowing your employment is handled compliantly and securely. Remote takes care of the behind-the-scenes details – like payroll, benefits, taxes, and local compliance – so you can focus on your work and career growth. Even though Remote manages these administrative functions, you’ll be a part of the SupplyHouse team: connected to our culture, collaborating with colleagues, and contributing to our shared success. This partnership allows us to welcome talented team members worldwide while ensuring you receive a best-in-class employee experience.

Sr Java Developer

Experience: 5+ Years

Location: Navi Mumbai, CBD Belapur

Domain: Banking (Payment Aggregators Project)

Work Schedule: 1st and 3rd Saturdays required, as per banking norms

Education: B.E. or Graduation in Computer Science or related field

Budget- 15 Lacs max fixed

Initial document check list before sharing the profiles.

Education

1. 10th Passing Certificate
2. 10th Mark Sheet
3. 12th Mark Sheet
4. 12th Passing Certificate
5. Convocation Certificate (Mandatory)
6. PG (if completed) Degree Certificate & Passing Certificate

Employment

1. Previous Organization’s Offer Letter
2. Previous Organization’s Appointment Letter
3. Previous Organization’s Experience Letter
4. Resignation Acceptance Mail from Previous Organization

JOB DESCRIPTION

Key Responsibilities:

Application Development: Design, develop, and maintain robust applications using Java, Spring, Spring Boot, Microservices, Hibernate, REST API, and Oracle SQL.

Spring Validation & Security: Implement input validation and manage secure access to resources using Spring Security.

Collaboration: Work hand-in-hand with cross-functional teams to define, design, and deliver innovative features.

Performance Optimization: Ensure peak performance, quality, and responsiveness of applications.

Problem Solving: Identify bottlenecks and bugs, and craft effective solutions.

Code Quality: Maintain high standards of code quality, organization, and automation.

Skills and Qualifications:

Experience: 5+ years in Java development.

Technical Proficiency: Expert in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and Spring Security.

Banking Domain Knowledge: Experience in payment gateway projects is a plus.

Design Patterns: Strong understanding of object-oriented programming and design patterns.

Problem Solver: Excellent analytical skills and ability to thrive in a fast-paced environment.

Desired Experience

3+ years

Job Description

What You’ll Do

• Design financial systems for scale. Measure, plan, iterate.
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Setup and own the engineering architectures built around event sourcing, application sharding, database sharding, service communication mesh, etc.
• The tech: Go, Google Cloud Spanner, Kafka, Redis

What you bring to the table

• 3+ years of experience. Relevant experience is preferred.
• Knowledge of 2 common programming languages - Java & Node / Rust /Python & Go
• Comfortable in linux command line, AWS or GCP
• Strong unit test and debugging skills
• Great communication skills

Bonus if you have…

• Love building great products and engineering systems from scratch
• Are a Self-starter, Hustler and Curious to Learn
• Have an understanding of fundamental design principles behind a scalable application
• Thrive in an early-stage startup environment with less stability and more ambiguity
• Have an interest in financial products and/or cryptocurrency

Job Brief:

- Proficient in object-oriented programming and distributed systems

- Some experience with Web Programming and TypeScript

- Ability to speak and write in English fluently

- A proactive approach to spotting problems, areas for improvement, and performance bottlenecks

- Experience with TypeScript and NodeJS

- Experience with the language server protocol

- Experience with JavaScript

- Experience with the Pub-Sub pattern

• Develop new functionalities on the Company platform, in close collaboration with the Product team
• Analyse and correct anomalies across the various environments
• Propose and participate in the platform evolution
• Contribute to the platform architecture, ensure strong code quality (tests & code reviews) and adherence to best practices
• Mentor and support junior developers

• 3+ years of SDE work experience from Product based companies
• Experience in Java, Spring Boot, MySQL, Kafka, Hbase, AWS
  • Experience in Multi threading, distributed systems, Best practices of coding, scaling

What you need to have: