Java Developer

🚀 We're Hiring: Technical Lead – Java Backend & Integration

📍 Bangalore | Hybrid | Full-Time

👨‍💻 9+ Years Experience | Enterprise Product Development

🏥 Healthcare Tech | U.S. Health Insurance Domain

Join Leading HealthTech, a U.S.-based product company driving innovation in the $1.1 trillion health insurance industry. We power over 81 million lives, with 130+ customers and 100+ third-party integrations. At our growing Bangalore tech hub, you’ll solve real-world, large-scale problems and help modernize one of the most stable and impactful industries in the world.

🔧 What You'll Work On:

• Architect and build backend & integration solutions using Java, J2EE, WebLogic, Spring, Apache Camel
• Transition monolith systems to microservices-based architecture
• Lead design reviews, customer discussions, code quality, UAT & production readiness
• Work with high-volume transactional systems processing millions of health claims daily
• Coach & mentor engineers, contribute to platform modernization

🧠 What You Bring:

• 9+ years in backend Java development and enterprise system integration
• Hands-on with REST, SOAP, JMS, SQL, stored procedures, XML, ESBs
• Solid understanding of SOA, data structures, system design, and performance tuning
• Experience with Agile, CI/CD, unit testing, and code quality tools
• Healthcare/payor domain experience is a huge plus!

💡 Why this opportunity?

• Global product impact from our India technology center
• Work on mission-critical systems in a stable and recession-resilient sector
• Be part of a journey to modernize healthcare through tech
• Solve complex challenges at scale that few companies offer

🎯 Ready to drive change at the intersection of tech and healthcare?

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

As a Principal Engineer / Architect you will be responsible for creating a technical strategy and coordinating the designs for meeting the needs of Toast’s largest restaurant brands. You will partner with Product Managers to develop the technology roadmap that enables enterprise customers to leverage the power of Toast. You will also work closely with technical leaders and implementation teams across the organization to deliver robust, scalable solutions with integrations to customers’ external systems.

As the engineering leader on the Pricing & Funds Management team, you will be responsible for evolving our Funds Management platform (processing >$150B in annual GPV) to meet Toast’s growing needs across the world by both delivering best-in-class customer facing Fintech products and foundational capabilities that enable partner teams to accelerate their products time-to-market & scale.

If you’re a technical leader or a solutions architect, experienced with enterprise SaaS, passionate about customer value, and a great collaborator, read on! 

About this roll*:

• Design mission critical platform components at scale to ensure Toast’s Funds Management platform accurately distributes funds to beneficial party in a timely manner
• Develop an expert understanding of Toast’s payments processing platform & adjacent products to enable funds flows across Toast’s financial product suite in a seamless manner
• Document solution design, write & review code, test and rollout solutions to production, capturing & actioning customer feedback to iteratively enhance customer experience
• Collaborate with peers to optimise for solution design performance, flexibility and scalable, including enablement of multi-product & engineering teams on a common framework & platform
• Partner with UX, Product Management, QA and adjacent engineering teams to build best-in-class solutions in a complex and fast-moving environment
• Champion best practices such as quality integration and unit testing

Do you have the right ingredients*?

• Strong technologist with 12+ years experience defining and implementing high scale SaaS solutions. Experience with a broad set of technologies that includes those used at Toast - tiered web applications, microservices, API design patterns, Java, Kotlin and data analytics
• Experience with integration design patterns across high-scale Fintech platforms
• Strong interpersonal skills and a proven track record of building partnerships across engineering, product, customer success, and other stakeholders.
• Experience shipping iterative value using agile or lean software delivery methods. 
• Experience of tackling complex and ambiguous problems, communicate clearly with others to solve the problem, and share knowledge to help the whole team succeed 
• Experience building payments & Fintech products, with at least 10+ years in the payments industry

Our Tech Stack

Toast’s products run on a stack that ranges from guest and restaurant-facing Android tablets to backend services in Java to internal, guest-facing and restaurant-facing web apps. Our backend services follow a microservice architecture written using Java 8 and DropWizard; we use AWS extensively, ranging from S3 to RDS to Lambda. We have our own platform for dealing with user management, service elevations and robust load balancing. Toast stores data in a set of sharded Postgres databases and utilizes Apache Spark for large scale data workloads including query and batch processing. The front-end is built primarily using React and ES6. The main Toast POS application is an Android application written in Java and Kotlin. For data between tablets and our cloud platform we operate RabbitMQ clusters as well as direct tablet communication to the back end.

Diversity, Equity, and Inclusion is Baked into our Recipe for Success

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.

We Thrive Together

We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community.

• Looking for sr.java full stack developer
• java, springboot, angular 2/4/6/8, html and css
• experience with unit testing
• good exposure to oops

Software Engineer

Opportunity in this role / Why should you join us?

- You are your own master.  We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading fintech unicorn company

- ESOPs in the company

Requirements

• 3+ years and above exposure in the art of writing codes and solving problems for large scale
• Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Have a penchant for solving complex and interesting problems.
• BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
• Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
• Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with

multi-threading and concurrency programming

• Ability to switch between the technologies and learn new skills on the go.

Roles and Responsibilities

• Drive discussions to create/improve the product, process and technology
• Build abstractions and contracts with separation of concerns for a larger scope
• Rapid prototyping
• Robust and scalable web-based applications
• Do high-level design with guidance; Functional modelling, break-down of a module
• Thinking platforms & reuse, the open-source contribution will be a plus
• Do incremental changes to architecture: impact analysis of the same
• Do performance tuning and improvements in large scale distributed systems
• Mentor young minds and foster team spirit.

• Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
• 8+ years of industry experience in product development
• Experience in coaching and mentoring team members
• Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
• Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
• Must work with QA engineers to devise proper test constructs - unit testing and integration tests.

Design and develop robust services in coordination with front-end developers, ensuring the production and development of high-quality and well-tested code

Design, develop and test features alongside other technical departments

Lead the department in the design, development, deployment, and operation of services used by our users

Optimise APIs for any applications while creating and maintaining unit tests for new code as well as fix defects

Participate in the continuous integration of automated builds and deployments, ensuring that deliverables meet functional and design requirements and specifications of the site/software. Work with engineering leadership in solving and architecting solutions for challenging or complex site/software development issues.

Take initiatives in developing and maintaining integrations of best practices within the backend department