Tech Lead - Backend

JobTitle : Mission Control Software Engineer – Java Backend

Experience : 4+ Years

Location : Bengaluru, Karnataka (On-site)

Employment Type : Full-time

Industry : Space Technology

🧠 Role Overview :

As a Mission Control Software Engineer – Java Backend, you will be a founding member of the Mission Control Software team. You will design and develop the backend core of a distributed, high-reliability system responsible for streaming, processing, and routing satellite data.

This role offers high ownership and the opportunity to directly influence system architecture as it evolves from a single-node deployment to a scalable multi-node system.

🛠️ Tech Stack :

Java 11+, gRPC, REST APIs, PostgreSQL, Docker, Linux, WebSockets, Git, CI/CD

⚙️ Key Responsibilities :

• Design, develop, and maintain backend services in Java (11+) for data ingestion, processing, and control workflows
• Build and enhance gRPC and REST APIs for internal and external system integrations
• Develop modular plugins and middleware for routing, persistence, and automation
• Work with PostgreSQL and other databases for structured and time-series data
• Collaborate with frontend teams to support real-time dashboards via WebSockets/event streaming
• Ensure system scalability, reliability, and observability through logging, metrics, and testing
• Contribute to containerized deployments (Docker) and CI/CD pipelines
• Write clean, maintainable, and well-documented code with strong test coverage

🧩 Required Skills & Experience :

• 4+ years of experience in backend or distributed systems development.
• Strong proficiency in Java (11+), including concurrency and networking concepts.
• Experience with frameworks like Spring Boot, Vert.x, or similar.
• Hands-on experience with gRPC and REST API design.
• Strong knowledge of SQL databases (PostgreSQL preferred) and schema design.
• Experience working in Linux environments, with Git and Docker.
• Familiarity with event-driven systems / messaging queues (Kafka, RabbitMQ, MQTT, etc.).
• Ability to design scalable architectures and write automated tests.

⭐ Good to Have :

• Experience with real-time systems, telemetry, IoT, or satellite systems
• Exposure to distributed systems / microservices / high-availability architectures
• Working knowledge of Python for scripting or integrations
• Experience with monitoring tools like Prometheus and Grafana
• Interest in hardware-software integrated systems

Navtech is looking for an ERPNext Frappe Developer with expertise in the Frappe Framework to join our team. The ideal candidate will be responsible for designing, developing, and customizing ERPNext applications to meet business requirements. You will work closely with cross-functional teams to enhance existing modules, integrate third-party applications, and ensure seamless performance of ERP systems.

Working as a ERPNext Frappe Developer at Navtech, you will:

• Develop and customize ERPNext modules based on business requirements.
• Write clean, scalable, and maintainable Python code using the Frappe Framework.
• Design and implement RESTful APIs for seamless integration with other systems.
• Optimize database structures and queries for efficient performance.
• Troubleshoot, debug, and resolve issues in the ERPNext ecosystem.
• Work with stakeholders to understand business processes and implement appropriate solutions.
• Develop custom scripts, reports, and print formats as required.
• Perform software testing, code reviews, and version control management.
• Stay up to date with ERPNext and Frappe Framework best practices and updates.

Who Are We Looking For Exactly?

• 1+ years proficiency in Python and experience with the Frappe Framework.
• Strong understanding of ERPNext and its various modules.
• Experience with MariaDB/MySQL and database optimization.
• Knowledge of JavaScript, HTML, CSS, and front-end frameworks (Vue.js, React, or similar is a plus).
• Experience with RESTful API development and third-party integrations.
• Familiarity with Git and version control workflows.
• Ability to write efficient, reusable, and modular code.
• Strong problem-solving skills and ability to work in a team environment.
• Excellent communication and documentation skills.
• Bachelor’s degree in Computer Science, Information Systems, or related degrees and throughout education in English medium.

Why Navtech?

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

About us:

Navtech is a premier IT software and Services provider. Navtech’s mission is to increase public cloud adoption and build cloud-first solutions that become trendsetting platforms of the future. We have been recognized as the Best Cloud Service Provider at GoodFirms for ensuring good results with quality services.

Here, we strive to innovate and push technology and service boundaries to provide best-in-class technology solutions to our clients at scale. We deliver to our clients globally from our state-of-the-art design and development centers in the US, Hyderabad, and Pune. We’re a fast-growing company with clients in the United States, UK and Europe.

What we are looking

• You must have experience in Python, including development of microservices using flask/fastapi/sanic.
• You hold knowledge of at least one Python web frameworks
• You have experience in NoSQL databases such as MongoDB
• You are familiar with relational databases and unstructured data.
• You are familiar with some ORM (Object Relational Mapper) libraries.
• You have prior exposure to code versioning tools such as Git.
• You understand fundamental design principles behind a scalable application

Good to have

• Experience in cloud services such as AWS
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of the threading concepts in Python and multi-process architecture

What you'll do

• Create database schemas that represent and support business processes
• Integrate multiple data sources and databases into one system.
• Develop and integrate RESTful APIs and services for business use cases
• Perform unit and integration tests on developed modules

What You'll do:

• 2-5 years of experience building scalable backends using Python
• In-depth knowledge of Python/Django or Flask
• Familiar with oauth integration Social Networking API (Facebook, Twitter, Linked In, Google+)
• Experience integrating with mobile Apps
• Django/Flask permissions model, caching, async mechanisms
• Understanding of caching, database interactions
• Able to engineer the best performing solutions and always keeping scalability in mind

What makes you a great fit:

• Strong problem solving skills
• Knowledge of data structures and algorithms
• Hungry for more responsibility and knowledge
• Passion for building robust systems that are engineered to handle failure scenarios, an undying love and attitude for maintaining coding standards
• Strong advocate for producing quality software who makes sure issues are raised and resolved
• Experience with at least one of the cloud platforms like AWS, GCP, Azure, Digital Ocean etc. (docker, Kubernetes, microservice good to have)

Must have skillsets:

Skills : Python/ Django or Flask

Experience required: 3 -5 years

Job Type: Full time/ Permanent

Perks and Benefits :

• 5 days working.
• Flexible shift timings
• Company-sponsored certifications.
• Team friendly culture
• Flat hierarchy
• Carrom, Table tennis games, Cricket Tournament Participation for interested employees
• Snack-filled pantry for team members
• Group Medical Insurance (*)

Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set

• BS/MS in Computer Science or Engineering.
• 8+ years of experience in software development in an object-oriented language such as Java, .NET or Node.Js
• Exceptional design, coding, and problem-solving skills, with a bias for architecture at scale.
• Experience with HTML5, JavaScript, TypeScript, front-end technologies like AngularJS, Redux / React and upcoming web technologies.
• Real-world experience developing large scale commercial services with robust performance, resiliency, and telemetry, delivered both Online and OnPrem.
• Strong knowledge of computer science, algorithms, and design patterns.
• Ability to appreciate complex problems with a thorough design.

• Spend most of your time developing brand new software in Python
• Build out a secure data replication infrastructure to replicate transactional data across a hierarchical system
• Build out APIs for supporting a fleet of 20k devices
• Build out a configurable data analytics and reporting framework
• Build out real time dashboards for getting a high level and deep dive view of the overall system
• Be responsible for independently designing and building out modules of the overall system
• Work with a team of smart peers and take ownership of the resulting system
• Push yourselves, create impact, learn and grow as an engineer