Java Developer

Technical Lead – Full Stack 

Overview 

We are seeking a high-caliber Tech Lead – Full Stack to join our Digital Twin Platform and Simulation team. In this role, you will translate high-level architectural visions into robust, executable low-level designs (LLD). You will be the technical anchor for the squad by providing deep technical guidance and maintaining rigorous standards you will enable the team to deliver scalable interfaces and services that power our digital twin ecosystem. 

Our Core Full Stack Stack 

Front-End Engineering 

• React + TypeScript (with Next.js), ShadCN/UI, Tailwind CSS for building complex, state-heavy interactive dashboards.
• JavaScript (ES6+) and TypeScript for type-safe management of simulation data 
• State management (Redux/Zustand) optimized for high-frequency data updates 

·      Experience in ESRI ArcGIS Map usage in UI is a big plus.

Back-End & Microservices 

• Java and Spring Boot for building high-scale, resilient microservices 
• REST APIs for seamless communication between services and front-end consumers 
• Microservices architecture and system integration patterns 
• Experience designing, building, and integrating RESTful or GraphQL APIs, Protobuf with gRPC and gRPC-Web  

Engineering Excellence 

• GitHub for version control and rigorous Code Reviews 
• CI/CD pipelines, Docker, and Kubernetes for cloud-native deployment 

Key Responsibilities 

• Low-Level Design (LLD): Convert high-level architectural blueprints into detailed technical designs, including class diagrams, sequence diagrams, and API specifications. 
• Technical Mentoring: Lead and coach the engineering team through pair programming, technical 1-on-1s, and hands-on guidance to elevate overall team competency. 
• Standards Enforcement: Ensure all code adheres to the defined engineering standards, SOLID principles, and design patterns established by the Architects. 
• Code Quality & Review: Conduct comprehensive code reviews to maintain high quality, ensuring the team delivers clean, testable, and maintainable code. 
• Technical Anchoring: Serve as the "go-to" expert for the squad to resolve complex technical blockers and provide clarity on implementation details. 
• Hands-on Development: Direct implementation of critical and complex modules, setting the benchmark for performance and reliability. 
• System Integration: Oversee the technical execution of integrations between full-stack applications and core data layers (Databricks/Neo4j). 
• Delivery Governance: Ensure the squad meets sprint objectives by maintaining a high standard of execution and managing technical debt effectively. 

Preferred Qualifications 

• 8 to 10 years of professional experience in full-stack software development. 
• Proven track record in a Tech Lead capacity, with strong experience in creating Low-Level Designs. 
• Expert-level proficiency in Java, Spring Boot, and React. 
• Deep understanding of Microservices architecture and RESTful API design. 
• Familiarity with ShadCN/UI familiarity along with Material UI, Storybook, and/or similar tools
• Demonstrated ability to mentor engineering teams and drive technical excellence in an Agile environment. 
• Experience working in the India tech region, preferably within high-growth product engineering teams.

Highly Desirable 

• Experience building platforms for Digital Twin, IoT, or Simulation environments. 
• Familiarity with visualizing complex networks or real-time operational data. 
• Knowledge of performance tuning for both front-end rendering and back-end processing. 
• Experience leading teams in an Agile/Scrum environment. 
• Exposure to industrial domains such as Manufacturing, Logistics, or Transportation is a plus. 

Location: Hyderabad, Telangana 

Department: Engineering 

Employment Type: Full-Time 

Responsibilities

Develop and maintain web and backend components using Python, Node.js, and Zoho tools

Design and implement custom workflows and automations in Zoho

Perform code reviews to maintain quality standards and best practices

Debug and resolve technical issues promptly

Collaborate with teams to gather and analyze requirements for effective solutions

Write clean, maintainable, and well-documented code

Manage and optimize databases to support changing business needs

Contribute individually while mentoring and supporting team members

Adapt quickly to a fast-paced environment and meet expectations within the first month

Leadership Opportunities

Lead and mentor junior developers in the team

Drive projects independently while collaborating with the broader team

Act as a technical liaison between the team and stakeholders to deliver effective solutions

Selection Process

1. HR Screening: Review of qualifications and experience

2. Online Technical Assessment: Test coding and problem-solving skills

3. Technical Interview: Assess expertise in web development, Python, Node.js, APIs, and Zoho

4. Leadership Evaluation: Evaluate team collaboration and leadership abilities

5. Management Interview: Discuss cultural fit and career opportunities

6. Offer Discussion: Finalize compensation and role specifics

Experience Required

2-6 years of relevant experience as a Software Developer

Proven ability to work as a self-starter and contribute individually

Strong technical and interpersonal skills to support team members effectively

Founding Engineer:

As a Founding Engineer, you'll be responsible for designing, building, and launching our product to customers. Specifically,

• Since our team is lean and we plan to keep it that way - you’ll be one of the first five engineers in leading the zero-to-one journey of a product our customers are hungry for
• Lead technical design and implementation of the frontend and backend of the product with coaching and mentorship from world-class technical architects
• Have knowledge of (or learn) how to work with Shopify’s CLI
• Iterate quickly to create delightful user experiences, working closely with customers/ design partners
• Help us hire a world-class engineering team in the months ahead
• Our team is currently fully remote (with offices to be opened in Bangalore and Mumbai over next few months) and cross-border across San Francisco, Boston, and India - help us cultivate a remote-first, inclusive, diverse, and friendly culture
• Work directly with the founders with an ownership mindset

Skills and Experience:

• Prior experience working with backend tech stacks (e.g. Spring Boot, Ruby on Rails, Django, Laravel)
• Experience with service service-oriented architecture, writing REST APIs, unit testing, and architectural design
• Understanding of modern web stacks and architecture (HTTP, REST, GraphQL, WebSockets)
• Experience with SQL and NoSQL databases and other technologies (e.g. Mysql, Redis, Kafka)
• Prior experience working with frontend tech stacks (e.g. React, Angular, Vue.js)
• Prior experience working with frontend UI frameworks (e.g. Bootstrap, Tailwind CSS)

Techweirdo delivers AI models & enterprise solutions, globally for mid to large-scale organizations.

We offer consultation, services, and products to holistically address the digital transformation goals of an enterprise.

We are currently hiring passionate, senior full-stack Java engineers on behalf of one of our large customers to help them find the best-fit talent and create technologically challenging, visually delightful, and easy-to-use digital products in a fast-paced environment.

Must have actual development experience of:
 1.  Angular 6+ (Typescript) and Angular Material
 2.  HTML, CSS, js

Nice to have experience of:
 1.  Bootstrap
 2.  SCSS

Must have actual development experience of:
 1.  Java 8+
 2.  Spring Framework
 3.  Spring Boot (Rest APIs, SBS Web, SBS Logging, SBS AOP, SBS Batch & SBS Data - MongoDB) (SBS = Spring Boot Starter)
 4.  Mongo DB

Nice to have experience of:
 1.  Linux commands
 2.  Webservers and App servers esp. IBM Websphere
 3.  Knowledge of open-source Java libraries and frameworks (from Google, Apache, etc.)

Other skills:
Knowledge of Git and Github, Jira, CI/CD automation, Jenkins
Requirement – Years of experience – 5 – 9

• Hands-on development experience of minimum 2 years in Frontend
Technology – 50% weightage
AngularJS - 40% weightage
Bootstrap – 10% weightage
ReactJS – Nice to have

• Hands-on development experience of minimum 2 years in Backend Technology – 50% weightage
o Java8 – 15% weightage
o Database Queries (PL/SQL) – 15% weightage
o Spring MVC Framework – 20% weightage

JOB RESPONSIBILITIES

• Drive, design, build and deliver end-to-end solutions using Agile and User Centered Design processes.
• Build a distributed system based on SOLID design principles, concurrency, and distributed data.
• Demonstrate experience  writing enterprise software applications for high frequency and low latency environments.
• Hit the ground running with a typical Java ecosystem (Spring & its sub-projects, dependency injection, maven, hibernate, etc.)
• Maintain quality, modularity and ensure responsiveness of applications.
• Be able to pick up new technologies along their whole development stack including non-java ecosystems.  
• Collaborate with the rest of the engineering team to design to launch new features.
• Collaborate with cross-functional teams to define, design.
• Work with third-party data-sources and APIs.
• Unit-test code for robustness.
• Work on bug fixing and improving application performance
• Maintain code integrity and organisation.
• Help maintain code quality, organisation, and automation.
• Build a culture of continuous learning and improvement.
• Have a desire to collaborate to share and learn from your colleagues.

JOB REQUIREMENTS

• Extensive experience and deep understanding in Java 8, including multithreading, data-structures and algorithms.
• Strong understanding of distributed architecture concepts, Design patterns, SOLID principles, 

SOA, Microservices, Cloud hosting solutions (preferably AWS).

• Good experience in developing REST API and Json, in Java backend applications.
• Hands on experience with SQL, NoSQL concepts.
• Test driven development, including unit test cases using any test framework (JUnit, spring-test, MockMvc), and end-to end testing.
• Excellence in writing and maintaining clear end-user documentation including API specifications, patterns, best practices, and data definitions, including Swagger.
• Good knowledge of GIT.
• Familiarity with continuous integration and build automation tools like Jenkins pipelines for Continuous Integration (CI)/ Continuous Delivery (CD), maven/Gradle
• Experience with Agile software development (e.g., SCRUM or KANBAN) and/ or User Centered design process.
• Experience in working with Angular 6+/ReactJS 16+ & Redux, JSP, HTML5, CSS3, jQuery and Javascript will be a plus.

Safety Connect is a leading company in enterprise field force safety. 

We are looking for a highly skilled computer programmer comfortable with front-end and back-end programming.

Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

What we offer

• Fast-paced work environment

• To learn, perceive and be a part of a fast-growing niche industry

• Incredibly competitive, collaborative, and supportive team.

Roles and Responsibilities:

• Developing front-end website architecture.

• Developing back-end website applications.

• Creating servers and databases for functionality.

• Ensuring cross-platform optimization for mobile phones.

• Ensuring responsiveness of applications.

• Working alongside graphic designers for web design features.

• Seeing through a project from conception to finished product.

• Designing and developing APIs. (done by back-end)

• Meeting both technical and consumer needs.

• Staying abreast of developments in web applications and programming languages.

Requirements /Qualifications: 

• Strong organizational and project management skills.

• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.

• Familiarity with JavaScript frameworks such as React JS.

• Proficiency with server-side languages such as Node.Js.

• Familiarity with database technology such as Oracle, and MongoDB.

• Excellent communication skills (both verbal and written)

• Good problem-solving skills and attention to detail.

• Have basic fundamental knowledge of computer science.

• 1+ years of experience as a Full stack developer.

• Bachelor’s degree or equivalent required.

• Demonstrated experience as a software engineer, with at least 3-5 years’ experience in technology roles
• Experience working on complex systems and cloud architectures, preferably in a B2B or enterprise context
• Experience with the Java programming language and frameworks such as Spring & SpringBoot
• Experience with front-end Javascript frameworks such as ReactJS
• Experience working in databases and SQL queries for high-performance 
• Experience and keen understanding of the value of working in agile teams
• A “quality-first” mindset, with experience working in continuous integration environments
• Highly effective at communicating
• Respect for other team members and a highly collaborative approach to working and learning together

Job Description:

In this role, you will:

• Be responsible for building APIs, coding, documenting and maintaining scalable web/mobile applications in a fast-paced environment
• Be involved in conceptualization of IOT product features & AI Model Integrations, designing, development and debugging in the real-time environment
• Collaborate with multiple stakeholders to deliver products in an agile environment
• Continuous Integration and Continuous Deployment

Required Skills :

• Good understanding of Data Structures &Algorithms with strong analytical skills.
• Deep understanding of javascript and web fundamentals like HTML, CSS3, Boostrap 3, SDKs, cookies, Sockets,
• Experience in programming languages: nodejs, python, java, Angular/React JS,
• Knowledge of Relational and Non-relational Databases and Cache like MySQL, Mongo, Elasticsearch, Redis etc
• Knowledge of RESTful paradigms and to experience building/consuming APIs, microservices & system design architecture
• Experience in client side technologies like JavaScript, jQuery, Typescript and React JS.
• Good in Building UI/UX of web application and integration of backend and frontend
• Capable of hosting AI model on AWS cloud by developing APIs

Desired Skills:

• Ability to break complex projects into modules and propose effective solutions in view of capabilities of existing platforms and infrastructure.
• Experience in managing build/deployment pipelines for continuous integration and continuous delivery to improve the quality and availability of products & services.
• Understanding of cloud architecture and cloud deployments - AWS SQS, Lambda, EC2, S 3, Azure, other cloud technologies