Java Software Development

 Senior Full Stack Java Developer

Location: Bangalore/ Remote

Experience: 5+ years

Shift:       U.K Shift (01:30 PM IST to 10:30 PM IST)

Summary

We are seeking a highly skilled Senior Full Stack Java Developer with strong expertise in backend and frontend technologies. The ideal candidate will have hands-on experience in building scalable applications using Java, Spring Boot, JSP, and modern frontend frameworks, along with excellent communication skills to collaborate effectively with global teams.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications.
• Implement best practices and design patterns for clean, maintainable code.
• Work with Spring Boot, JSP, and MySQL to build robust backend services.
• Develop responsive UI components using HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure efficient performance.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, testing, debugging, and deployment activities.
• Work in a U.K shift to support international clients and project requirements.

Must-Have Skills

• Strong expertise in Java and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend services.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap for frontend development.
• Solid understanding of design patterns and software architecture.
• Strong debugging, problem-solving, and performance optimization skills.
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• Excellent communication and collaboration abilities.

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 - 7 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

The Technical Consultant is responsible for the design, development and deployment of assigned technical functionality for client projects in the social services, health and human services domain. A technical consultant works under the guidance of the Technical Architect and/or Senior Technical Consultant on design and development issues. A technical consultant will act as technology expert on the client implementation projects on direct customer facing positions on Diona’s customer engagements around the globe.

Responsibilities:

• Works with the Technical Architect/Principal Technical Consultant/Senior Technical Consultant to implement the optimum solution with the chosen COTS platform
• Works within the project team to ensure that the project technical standards are properly applied
• Works as part of a team to implement client business requirements in a timely, performance-centric and configurable/maintainable manner
• Liaise with team members and COTS vendors (as applicable) to ensure a quality project deliverable
• Apply problem solving techniques and product capability knowledge to ensure best results for the client engagement
• Prepare and deliver domain best practice/product capability presentations
• Present a professional and knowledgeable image of Diona Technologies Limited to customers

Skills and Attributes:

• 3+ years of experience in Software Design, Planning and Development using Java and allied technologies
• Expert knowledge of JavaScript, Java and strong object-oriented development is a must
• Experience with integration technologies such as SOAP and REST web services, Apache Camel, Spring Batch is a must
• Knowledge of JDBC, SQL, XML, JSON and HTML is a must
• Experience in the social and human services domain and COTS implementation is a plus
• Experience with modern JavaScript frameworks such as NodeJS, ReactJS, ExpressJS, Angular is a bonus
• Experience with MongoDB or any NoSQL database is a bonus
• Experience with Android or iOS mobile app development a bonus
• Exposure to IBM rational software design tools is a plus
• In-depth understanding of the entire development process, including specification, documentation and quality assurance
• Should possess excellent written and verbal communication skills

Educational qualification:

Engineering Degree or equivalent from recognized institutes

Location – Bangalore

About the Role

We are looking for a highly skilled and experienced Full Stack Software Development Engineer to join our team focused on building and enhancing an Agentic AI Framework. You will be instrumental in developing scalable, reliable, and intelligent AI-based systems, contributing across the stack—from front-end interfaces to back-end infrastructure, and cloud deployment pipelines.

This is a dynamic and forward-thinking role, perfect for developers passionate about AI/ML advancements and keen to continuously grow in the evolving landscape of software engineering.

Key Responsibilities

• Design, develop, and maintain scalable and responsive front-end and back-end components of the Agentic AI Framework.
• Implement RESTful and GraphQL APIs for seamless integration across services.
• Optimize performance and ensure high availability across distributed systems.
• Collaborate with cross-functional teams including AI/ML engineers, data scientists, and DevOps.
• Write clean, maintainable, and testable code.
• Contribute to architecture discussions, code reviews, and project planning.
• Keep up-to-date with advancements in AI/ML algorithms, frameworks, and data science practices.
• Act as a primary point of contact for L3/L4 production support, including:

o  Debugging and resolving live issues

o  Delivering hot patches and quick fixes

o  Managing emergency and planned production releases

·      Own and operate the release lifecycle including version control, deployment, rollback strategies, and documentation

• Support deployment, monitoring, and scaling efforts using DevOps and cloud infrastructure.

Required Skills

• Front-end: React.js, TypeScript, HTML5, CSS3, Redux, Tailwind or Material UI
• Back-end: Java, Kotlin, Spring Boot, Node.js
• Databases: PostgreSQL, Redis, MongoDB, MySQL
• Architecture: Microservices, API Gateways, Event-driven architecture
• DevOps (Preferred): Docker, Kubernetes, CI/CD (e.g., Jenkins, GitHub Actions), AWS/GCP/Azure
• Testing: JUnit, Jest, Selenium, Postman
• Strong understanding of design patterns, data structures, and algorithms
• Familiarity or keen interest in AI/ML, LLMs, data science tools, and workflows

Nice to Have

• Experience with observability tools (Grafana, Prometheus, ELK stack)
• Japanese language proficiency (not mandatory, but a plus)

Who You Are

• A problem-solver with a proactive mindset
• Able to adapt quickly to new technologies and challenges
• Comfortable working in a fast-paced, innovative environment
• Collaborative with excellent communication skills

Perks & Benefits

• Learning support for AI/ML upskilling
• International and diverse team culture

Work on cutting-edge AI-driven products

Gohoardings is a leading advertising technology company specializing in outdoor advertising solutions. We connect brands with their target audiences through innovative digital platforms and creative campaigns.

We are currently seeking a highly skilled and experienced Java Full Stack Developer to join our dynamic team. As a Java Full Stack Developer, you will play a crucial role in designing, developing, and maintaining our industry-leading advertising technology solutions.

Responsibilities:

Collaborate with cross-functional teams, including product managers, designers, and other developers, to understand project requirements and translate them into scalable and high-performance software solutions.

Design and develop robust, user-friendly, and scalable web applications using Java and modern web technologies such as HTML5, CSS3, and JavaScript frameworks (e.g., Angular, React, or Vue.js).

Develop and integrate RESTful APIs and microservices to support seamless data exchange between front-end and back-end systems.

Implement and maintain server-side applications using Java frameworks (e.g., Spring, Spring Boot) to handle business logic, data processing, and integration with external systems.

Create and optimize database schemas, write efficient SQL queries, and ensure data integrity in collaboration with database administrators.

Ensure code quality through unit testing, automated testing, and continuous integration/continuous deployment (CI/CD) pipelines.

Troubleshoot and debug complex technical issues, perform root cause analysis, and implement solutions to improve application performance and reliability.

Stay up-to-date with emerging technologies and industry trends, and provide recommendations on incorporating new tools and techniques to enhance the development process and deliver high-quality software.

Collaborate with the product team to refine and prioritize feature requirements, and deliver software solutions within project timelines.

Mentor and provide technical guidance to junior developers, fostering their professional growth and development.

Qualifications:

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

Minimum of 5 years of professional experience as a Java Full Stack Developer.

Strong proficiency in Java programming language and related frameworks (e.g., Spring, Spring Boot).

Extensive experience in developing front-end applications using modern web technologies such as HTML5, CSS3, and JavaScript frameworks (e.g., Angular, React, or Vue.js).

Solid understanding of web application architecture and design patterns, including RESTful APIs, microservices, and single-page applications.

Experience with database technologies such as MySQL, Oracle, or MongoDB, including data modeling and query optimization.

Proficiency in version control systems (e.g., Git) and experience with build tools (e.g., Maven, Gradle).

Familiarity with agile development methodologies and experience working in agile teams.

Strong problem-solving and analytical skills, with the ability to quickly grasp complex requirements and deliver effective solutions.

Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.

Preferred Qualifications:

Master's degree in Computer Science, Software Engineering, or a related field.

Experience with cloud platforms and services (e.g., AWS, Azure, or Google Cloud Platform).

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

Familiarity with DevOps practices and tools for continuous integration and deployment (CI/CD).

Experience with testing frameworks and practices, such as JUnit, Mockito, or Selenium.

Understanding of advertising technology and industry-specific challenges.

Previous experience in developing scalable and high-traffic web applications.

Join our team at Gohoardings

Full Stack Engineer (RUBY ON RAILS + REACT)

About Us

DirectShifts has set out to modernize healthcare recruiting. We're a team of physicians, entrepreneurs, and problem solvers who have come together to solve major pain points facing medical professionals today.

We've built a healthcare staffing technology platform that connects healthcare professionals directly with employers by using advanced technologies and digitizing the recruitment and staffing processes. Using an AI-based platform, DirectShifts matches the right clinicians to the right jobs at healthcare employers.

DirectShifts is headquartered in New York, NY and our team is spread across the US and India. Join us!

About What You’ll Be Doing

DirectShifts is growing rapidly and we are looking for a full-stack engineer to join our technical team, working out of India. We need incredibly tenacious engineers who are not only great engineers but who can bring unique value to our rapidly growing team.

If you are passionate about coding – and do it on a day-to-day basis, then this is the place for you.

We are big fans of focusing mainly on two things: 1) talking to users and 2) build products. 

You will be responsible for implementing ideas and mocks for our app (web and mobile) which is used daily by healthcare professionals, internal users, and healthcare employers - you will own the frontend development as well as the building blocks and the APIs that power the web app (and the mobile apps). You need to be comfortable dabbling with some basic infrastructure management on AWS.

About You

Ideal Qualifications

• Recent Hands-on experience with Ruby on Rails and React.js
• 4+ years of work experience, primarily as a full-stack developer
• A strong foundation of Ruby on Rails
• Strong React, HTML, Javascript & CSS skills
• High ownership at all stages of product development - from conception to maintenance
• Adaptability - learn new technologies as and when needed
• Good communication skills to get your point across
• Bachelor in Computer Science
• Ability to work remotely

Bonus Skills

• Redux experience
• Experience with REST APIs
• Experience with cloud services (preferably AWS)

Specifically, You Will:

Work closely with the founders and senior management across various functions. You will have the opportunity to influence the trajectory of the products and of the company. This is a great opportunity to help healthcare systems & professionals become more efficient which directly helps them provide better care, improve outcomes and save more lives!

You will excel if you have

An ability to thrive in a fast-paced environment and the ability to iterate quickly by understanding what users want. 

More about DirectShifts

We have raised more than $45 million from some of the world’s leading investors including Serent Capital, YCombinator, and Soma Capital. We're on a mission to disrupt a massive industry and improve healthcare in the United States by ensuring every patient has easy access to the healthcare they need. At DirectShifts, everyone has a voice to create change and move the needle; no hierarchy, no bureaucracy, no politics, no BS...just real people working on solving real problems.

• Be responsible for engineering road map, architecture and scalability/quality of products.
• Effectively collaborate with Product managers, Business teams to develop long-term product roadmap and own release planning - in a fast-paced, evolving environment.
• Perform well in ambiguous situations. We are a startup with a significant product suite.
• Mentor and guide a team of engineers across various levels and areas of expertise. Help engineers make good architectural decisions, improve code quality and delivery.
• Be responsible for tech solutioning, architecture being deployed maintaining right balance b/w short term and long term outcomes – speed vs quality.
• Establish strong engineering best practices and champion their adoption.
• Define career trajectory for your team and share feedback regularly to help them grow.

• 7+ years of experience in end to end cloud software development with exposure in building scalable, fault tolerant and secure large scale distributed systems. At least 1-2 years managing eng. teams.
• Bachelors or Masters degree in engineering (preferably computer science or sister branches) from a reputed institute (preferably IITs, NITs, or other top engineering institutes).
• Deep expertise in Java & tech stack (Springboot) & micro service based architecture writing maintainable, scalable, unit-tested code. This position requires a good mix of hands-on and people management.
• Hands-on experience in low-level and high-level design with the ability to propose and validate system design.
• You are comfortable jamming on code refactoring, architecture and design principles.
• Sound understanding of web technologies (JS, HTML5 CSS), databases - SQL & NoSQL (e.g. Cassandra), distributed caches (e.g. Redis), message queues (e.g. Kafka).
• Knowledge of UI architectural patterns like MVVM, MVC, MVP etc is useful.
• Exposure to android app development is a good plus.
• You have working knowledge of CI/CD pipelines and infrastructure tools such as Docker, Kubernetes, Gradle, GIT, Jenkins, ELK, Prometheus, Grafana or equivalents.
• You are an opensource enthusiast with the curiosity to stay abreast of latest tech.
• Must be comfortable working in fast paced agile environments. Ability to plan, prioritise, estimate and execute releases with strong degree of predictability.
• Excellent people & communication skills.
• Experience with AWS stack is preferred.
• Experience with a high-growth startup is a plus.

• Experience : 3-6 years
  Experience in developing full-stack applications at scale
• Should have experience in any of the front-end frameworks like React, Angular, BackboneJS, Ext, etc, and HTML/CSS/Bootstrap.
• Experience in backend technologies like NodeJS, Python, GOLANG, REST web services and Java(OOPS, Collections, DB Access) or any other technology.
•  Hands on experience in JavaScript Concepts (OO-JS, Closures, Unit Testing, Module Patterns etc)
• Good to have skills like REST, Bootstrap, UI Components, CI/CD, NoSQL based DB is added advantage.
• Experience with advanced CSS programming using LESS or SASS is a plus.
• Expertise in of server side technologies and SQL/NoSQL is a plus.
• Experience of JavaScript testing frameworks like Karma, Mocha, Jest etc.
• It involves design the software system, Select algorithms, theories or technologies that will be used for BUSINESS Applications
• Contribute to software development design discussions for new features and new product development
• Strong Problem solving skills and ability to troubleshoot applications & environment issues
• Adaptability, ability to learn faster, Independent, responsible and diligent.
• Good team spirit and interpersonal skills, Excellent Written, Verbal, communication skills, Analytical skills & Business Thinking.

Ideally, you know how to write unit tests and maybe even better write them in TDD. You have knowledge in agile methodologies such as Scrum. You know about GIT and the use of continuous integration tools. You have developed single page JS applications end to end.

Candidate should have a bachelor or Master technical degree or equivalent experience. Strong knowledge in software engineering. Proactive Self Starter, creative thinker in designing, developing and supporting applications. Work as part of cross functional, passionate agile project teams to ensure quality is driven into the heart of the development process.

Engineering Manager

Location: Pune, India

We're seeking an experienced engineering leader to join our award-winning, talented team, building the next generation automated drone applications for our global customers. This is a technical hands-on management position. Primarily you will be responsible for application development and project delivery for a portfolio of applications within the Enterprise Contact Center. This is a playing coach role, which encompasses people management, technical/ functional expertise, and relationship/stakeholder management.

About FlytBase

FlytBase is a 4-year old, venture-funded, high growth startup –  a global pioneer in software-led automation of commercial drone applications. The team has a cumulative professional experience of several decades, with engineering graduates from IIT-B, IIT-KGP, University of Texas & Georgia Tech.

FlytBase develops intelligent software that leverages reliable, off-the-shelf drone hardware to automate and scale drone deployments for commercial use-cases. FlytBase platform is hardware-agnostic, has intelligent plugins for autonomy, manages drone fleets via 4G/5G, and uses APIs to integrate into enterprise workflows. The company is headquartered in Silicon Valley, California, USA and has R&D offices in Pune, India. Widely recognized as a pioneer in the commercial drone ecosystem, FlytBase continues to win awards globally, the most recent one being the ‘NTT Data Open Innovation Global Champion 2019’.

Responsibilities

• Responsible for the overall development life cycle of the solution and manage multi-complexity projects.

• Accountable for the overall delivery of the product/application - ensuring the quality of code and committing to the timelines.

• Lead a software engineering team, provide technical coaching, mentor teammates and manage project timelines.

• Build an elegant and maintainable Web Application using Node, JavaScript (Typescript), Angular2+, Redux, ngrx and related technologies.

• Advocate of strong Agile development methodologies (SCRUM), automated testing, and continuous integration.

• Work with product owners and development teams to gather and refine requirements, and see development through to QA, deployment and ongoing maintenance.

• Collaborate with Product and UX teams to design and build responsive, data rich tools for our customers.

• Collaborate across multiple teams to architect new solutions.

• Drive efforts to reduce inefficiencies in development, QA and deployment processes.

• Mentor and guide the team to make sound engineering decisions, improve code quality and encourage the team to get out of their comfort zone, whilst working with team members to grow.

• Manage work flows and ensure productivity of team.

• Recruit and hire team members.
  
  

Qualifications

• 6+ years of hands-on experience in designing, developing web applications.

• Must have a minimum of 2+ years of experience in managing development projects and leading a team of successful software engineers.

• Must be able to discuss technical aspects of architecture/design/code issues directly with technical teams.

• Very strong Full stack development and Architecture experience using Microservices Architecture, UI/UX, CI/CD, Design Patterns & Cloud Platform enablement.

• Experience designing, developing and supporting REST services.

• Practitioner of unit testing, data structuring, profiling, performance tuning and debugging.

• Ability to deal with ambiguities effectively (Technology, People, Process, or Partner).

• Must be able to mentor team members and partners to accomplish project and departmental goals and objectives.

What Will I Earn?

This role comes with an annual CTC that is market competitive and depends on the quality of your work experience, degree of professionalism, culture fitness and alignment with FlytBase’s long-term business strategy.

Perks:

• Fast-paced startup culture

• Hacker mode environment

• Enthusiastic and approachable team

• Professional autonomy

• Strong meritocracy

• Zero bureaucracy 

• Company-wide sense of purpose

• Flexible work hours

• Informal dress code