Full Stack Engineer (Python + React.js/Next.js)

Job Description

We are looking for a hands-on Technical Lead Engineer (Full Stack) to spearhead the design, development, and delivery of our scalable web platforms and core application ecosystems. In this role, you will bridge the gap between front-end experiences and robust back-end systems. You will lead an agile development team through technical architecture, feature implementation, integration, testing, deployment, and production support.

The ideal candidate has deep technical expertise in both frontend and backend modern frameworks, a passion for system design, and practical experience building secure, scalable, and high-performance distributed web applications.

Key Responsibilities

• Technical Leadership: Lead end-to-end full-stack software development, architectural design, and system evolution.
• Backend Architecture: Design scalable, fault-tolerant backend architectures, optimizing high-volume data ingestion pipelines and processing engines.
• Frontend Excellence: Direct the development of highly responsive, intuitive, and modular user interfaces that ensure a seamless user experience.
• API & Integrations: Architect secure RESTful APIs and integrate external enterprise platforms, third-party microservices, and identity providers.
• Team Mentorship: Mentor developers, run strict code reviews, define engineering best practices, and guide sprint-level execution.
• Data & Messaging: Maintain and optimize relational, NoSQL, and time-series databases alongside message queues for real-time application events.
• Production Ownership: Own technical troubleshooting for live production bottlenecks, system latency issues, and deployment bugs.
• Documentation: Create clean technical documentation, structural architecture diagrams, and system deployment guidelines.

Required Skills

• Experience: 6+ years of software development experience with at least 2+ years leading engineering teams or owning technical delivery.
• Backend Core: Advanced hands-on experience with Java, Spring Boot, Spring Cloud, multithreading, and REST API development.
• Frontend Core: Mastery of modern JavaScript/TypeScript frameworks (such as React, Angular, or Vue.js), HTML5, and responsive CSS architectures.
• Data Platforms: Proficient with relational databases (MySQL, PostgreSQL) and NoSQL/Caching systems (Redis, MongoDB).
• Messaging Systems: Experience implementing asynchronous workflows using message brokers like Kafka or RabbitMQ.
• Design Patterns: Strong grasp of microservices patterns, distributed system caching, load balancing, and failover mechanisms.

Preferred / Nice-to-Have Skills

• Experience deploying workloads to Cloud environments (AWS, Azure, or GCP).
• Familiarity with containerization tools like Docker and orchestration via Kubernetes.
• Hands-on experience setting up continuous integration and automated deployment pipelines (CI/CD).
• Exposure to system observability tools (Prometheus, Grafana, ELK stack).

Education Requirement

• Bachelor's degree in Computer Science, IT, Electronics, Electrical Engineering, or a related field. Candidates with equivalent exceptional hands-on full-stack engineering experience will be highly considered regardless of formal degree background.

Job Title: Senior Java Full Stack Developer

Locations: Delhi NCR, Hyderabad, Chennai, Pune, Bangalore Experience: 6–13 Years

Employment Type: Full-Time

"Need Immediate joiners or serving notice period candidates only can join in a maximum of 30 days"

About the Role

We are looking for an experienced and highly skilled Java Full Stack Developer with strong backend expertise in Java and hands-on experience in ReactJS for front-end development. The ideal candidate will drive the design, development, and implementation of high-performance, scalable applications that meet business goals.

Key Responsibilities

Backend Development (Approx. 80%)

• Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and related frameworks.
• Build and optimize RESTful APIs and microservices.
• Collaborate with cross-functional teams to define backend architecture and ensure high availability and performance.
• Troubleshoot complex issues, debug code, and improve overall system reliability.
• Participate in code reviews, design discussions, and technical decision-making.

Frontend Development (Approx. 20%)

• Develop responsive user interfaces and reusable ReactJS components.
• Integrate frontend components with backend services and APIs.
• Ensure high performance, cross-browser compatibility, and seamless user experience.

General

• Work in an Agile/Scrum environment and deliver high-quality software on schedule.
• Maintain robust documentation and follow SDLC best practices.
• Mentor junior developers and contribute to team growth.

Required Skills & Qualifications

• 6–13 years of professional experience in software development, with a strong focus on backend systems.
• Advanced proficiency in Java, Spring Boot, and related server-side technologies.
• Hands-on experience with ReactJS and modern JavaScript.
• Solid understanding of REST APIs, microservices architecture, and web services.
• Strong database skills (SQL and/or NoSQL) and familiarity with schema design.
• Experience with version control (e.g., Git) and CI/CD practices.
• Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Bonus)

• Experience with containerization and orchestration (Docker, Kubernetes).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of message queuing (Kafka, RabbitMQ).
• Familiarity with automated testing frameworks and best practices.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, IT, or a related field (or equivalent practical experience)

Python Developer

Navtech is looking for a Python Developer to work on cutting edge technologies combined with an ability to be innovative while creating solutions in a team environment. We’re a fast-growing company with clients in the United States, UK, and Europe. You will join a team of talented developers, quality engineers, product managers, and sales experts to boost the company’s online presence.

Working as Python Developer at Navtech, you will:

• Write reusable, testable, and efficient code. Test and debug programs.
• Participate in full development life-cycle: concept, design, build, deploy, test and release.
• Integrate user-facing elements with server-side logic.
• Integrate data storage solutions like MongoDB, MySQL etc.
• Work with product teams on new product ideas, designs, prototypes, and estimates.
• Drive a best practices approach to the continuous improvement of our products, processes, and tools.
• Write and maintain documentation for all features in development.
• Develop back-end components to improve responsiveness and overall performance.
• Implement security and data protection solutions.
• Coordinate, guide, and mentor other software engineers within the team to understand user requirements and provide better technical solutions.

Who Are We Looking For Exactly?

• 1-3 years of experience as a Python Developer with knowledge of web framework such as Django, Flask, etc.
• Knowledge of object-relational mapping (ORM).
• Able to integrate multiple data sources and databases like MySQL, PostgreSQL, MongoDB into one system.
• Familiarity with PHP, JavaScript, MySQL, Apache, Nginx, APIs, HTML, etc.
• Proficient understanding of any of the code versioning tools like Git, SVN etc.
• Familiarity with NoSQL database (Redis, Cassandra).
• Ability to work in a cloud environment. Experience on AWS or Azure would be an added advantage.
• Should have a Master’s Degree /Bachelor's (BS) in computer science, Software Engineering, IT, Technology Management or related degrees and throughout education in English Medium.
• Should have good logical, analytical and communication skills with client interaction experience.

Benefits:

• Performance review and Appraisal Twice a year.
• Competitive pay package with additional bonus & benefits.
• Work with US, UK & Europe based industry renowned clients for exponential technical growth.
• Medical Insurance cover for self & family.
• Work with a culturally diverse team from different geographies.

• Lead, Design, develop, and maintain full-stack, web-based applications, and toolchains.
• Design and develop internal and external business systems/applications, systems interfaces, databases,
• reporting, or business functionality
• Work with development and BA teams and project manager to ideate software solutions
• Participate in client communication & effort estimations for new projects/feature development.
• Translate business and functional requirements into documented technical specifications
• Utilize development skills to build (code) new systems functionality per technical specifications, with deliverables to include code builds and automated unit tests
• Perform Code Reviews for all code written by the other developers, review code for team and industry standards compliance, and provide feedback to developers.
• Collaborating with other developers using version control (git).
• Facilitate/lead reviews of technical specifications and program code with other members of the technical team, and communicate design, requirements, feature set, functionality and limitations of systems/applications to the team
• Guide and mentor junior full-stack developers. 

• 2-4 years of experience working with web platforms (at a corporate, startup, or digital agency)

Work Ethic & Requirements

• Experience with the development of large-scale websites and a strong understanding of web development technologies, third-party applications and platforms, and social media.
• You should be able to handle multiple projects at the same time.
• You should have the ability to motivate, support, and understand teams and easily work with everyone from our UX/visual designers to tech developers to content strategists.
• You should be motivated and organized. A proactive attitude is most important.
• Ability to effectively manage time, prioritize tasks and work within deadlines with little or no supervision
• The ability to work both autonomously and as part of a team 

Tech Skills

• Python/Django
• React JS
• Node JS

Required Skills Description

Experience Level:- 4 –7 Years of Experience

Mandatory Skills –

1. Good Coding Skills
2. Hands-on Experience Angular or React or Vue or Typescript
3. Sound knowledge on RESTFUL APIs
4. Should have executed projects where .Net and Microsoft technologies have been used and should have a good understanding of the same.

Secondary Skills

• Knowledge .Net Core, WEB API framework
• Knowledge of HTML and CSS
• SQL Server and PL/SQL
• Understanding of Design Patterns

Interpersonal Skills

1. Good in communications (Verbal and Written)
2. Should have worked individually or in team

Role Description:

• Lister is actively engaged with client across digital transformation and engineering
• As a part of this engagement, you will be working with our clients on solution design and architecture, technology decisions, while co-ordinating technical efforts for the team
• As a Technical Lead:, You will need to collaborate with Solution Architects define technology
• roadmap, evaluate/recommend technologies, architect and design solutions, Work
• with other developers to oversee the development and implementation
• You will translate functional requirements from business stakeholders to the technical
• team for implementation
• You will need to troubleshoot design flaws and system bottlenecks
• You will have to be hands-on with code reviews and evaluate implementation for performance and scale
• Manage communication between our clients and internal teams in India and USA
• Coordinate with the offshore team to deliver projects across work streams, Identify risks, issues and blockers to progress and mitigate them for the team
• Rapidly gain an understanding of project requirements and drive execution
• Work with delivery team to ensure the highest quality of materials are being produced and all client needs are met.

Skills Required:

• Excellent understanding of backend and frontend components in the following stack: NodeJS, TypeScript, Javascript, ReactJS, multiple RDBMS and NoSQL databases like Postgres, MySQL, MongoDB Experience of working on AWS services (Lambda, Step functions, SQS, S3 SNS)
• Microservice design pattern is a must
• Experience in Docker, Kubernetes, containerization and CI/CD pipelines is preferable
• Experience in software development tools like Prettier, CodeCov, Snyk, etc..
• Excellent verbal and written communication skills; client facing and interpersonal skills; must be a listener, a presenter, and a people-person
• Experience in Designing scalable architecture systems for Node-based applications
• Ability to grasp complex implementations; Proven results of delivering client solutions
• Should have experience of working with offshore team
• Experience in working on large scale technology transformation projects for product companies is preferable
• Technology contributions to open source projects will be an added advantage
• Should have completed Certifications or training on AWS (AWS Solutions Architect), NodeJS, front-end frameworks.