
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.

About Toast
About
Toast empowers restaurants of all sizes to build great teams, increase revenue, improve operations, and delight guests.
We pair our deep understanding of the restaurant industry with powerful cloud based software and restaurant-grade hardware to deliver an intuitive, all-in-one platform, across point of sale, guest marketing, digital ordering & delivery, and payroll & HR
Tech stack



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Candid answers by the company
Toast helps restaurants of all sizes streamline operations, boost revenue, enhance team management, and deliver exceptional guest experiences.
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Job Description
Cateina Technologies is looking for a Java Developer, to build a solid team of passionate developers. As a prerequisite, the candidate should have 4+ years of sound programming knowledge and experience mainly in Java and also in the below-mentioned skills, and be willing to work with niche next-gen technologies.
Location: Mumbai
Job Opening: 1
Primary Focused on Java and Spring Boot, Microservice, and Hibernate.
Technical Skills:
- Java
- Spring, Springboot
- MySQL, Postgres SQL, Microservice
- Preference will be given to Jboss/ Camel/ Mule, Quarkus, JMS, MQ, Kafka
- Open API spec 2.0, 3.0
- Design, develop, and maintain robust RESTful APIs and web applications.
- Utilize the JSP framework and Spring Boot for application development.
- Ensure smooth communication using JSON and XML for REST services.
- Write efficient and optimized Oracle queries for database interactions.
- Implement authentication and security measures for application servers and APIs.
- Apply techniques for data integrity, hashing, and encryption.
- Collaborate with cross-functional teams to migrate microservices as needed.
Required Skills:
- Proficiency in Java development, particularly with JDK 1.8.
- Strong expertise in RESTful API services.
- Hands-on experience with JSON and XML communication.
- Solid understanding of application server management and API security practices.
- Ability to write and optimize Oracle queries.
- Experience in authentication mechanisms and security best practices.
- Knowledge of data integrity, hashing, and encryption techniques.
Other Additional Skills:
- Strong communication skills both written and verbal
- Enthusiastic, Creative, and flexible
- Organized, with an ability to prioritize time-sensitive assignments
- Capable of working both independently and in a team environment
- Should have prior team handling experience
- Professional with work ethics
- Completed any degree.
Who can apply
Candidates who:
- have the relevant skills and interests
- Stays in Mumbai or ready to re-locate
Office Location
Cateina Technologies
126, First Floor,
Shivkrupa Industrial Estate,
Lal Bahadur Shastri Rd,
Vikhroli (West),
Mumbai, Maharashtra 400083
Please go through our website www.cateina.com and read about what we do before coming to an interview
- Build applications to solve business problems in healthcare using Machine Learning techniques and software technologies
- Designing and developing machine learning models
- Running machine learning tests and experiments
- Work with the product and operations team to understand the business
requirements
- Create epics and user stories from requirements
- Prioritize the work based on the changing client requirements
Skills and Specifications:
Required Skills
- Experience in coding with Java
- Experience in working with Spring Framework
- Experience with basic API protocols
- Experience with developing, debugging and dev testing
- Decent communication skills
Nice to have
- Experience with distributed storage & Database Systems (SQL or
NoSQL, eg MySQL or MongoDB)
- Experience with production quality management, deployment &
monitoring.
- Experience with Tomcat, Nginx & Linux.
- Experience with Cloud Technologies (AWS, Azure, Oracle Cloud
etc)
- Product understanding skills.


We aspire to build a high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon.
Your responsibilities as an Engineer:
• Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
• Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
• Prepares and installs solutions by determining and designing system specifications, standards, and programming.
• Improves operations by conducting systems analysis; recommending changes in policies and procedures.
• Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products.
• Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment
• Participate in educational opportunities & read professional publications;
• Protects operations by keeping information confidential.
• Provides information by collecting, analyzing, and summarizing development and service issues.
• Accomplishes engineering and organization mission by completing related results as needed.
• Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
Skill sets we require:
• Proven work experience as a Software Engineer or Software Developer
• Experience designing interactive applications
• Ability to develop software in or other programming languages like JIRA or Postman
• Excellent knowledge of relational databases, MYSQL and Restful API
• Experience developing web applications using at least one popular web framework (Laravlel, Codeigniter and Magento)
• Experience with test-driven development
• Proficiency in software engineering tools
• Ability to document requirements and specifications
Experience & Pedigree:
• Bachelor’s/Master’s degree in Computer Science Engineering or equivalent
3+ Yrs Senior Software Engineer - Java Developer
EMPLOYER: Terra Pay
Headquartered in The Netherlands, TerraPay believes that the smallest payment deserves a borderless journey as safe as the largest. The company has been building an ever-expanding payments highway that empowers businesses to create transparent customer experiences with an uninterrupted, secure, and real-time global passage for every payment, however small or large. Registered and regulated across 25 global markets, TerraPay is a leading global partner to banks, mobile wallets, money transfer operators, merchants, and financial institutions, creating a more expansive and inclusive international financial ecosystem.
With access to payments infrastructure that spans the globe, their partners become beacons of the promise of global financial inclusion.
JOB DETAILS
- Seniority Level: Middle level
- Industry: Financial Services
- Employment Type: Full-Time (In-Office)
- Job Functions: Information Technology
- Job Location: Bengaluru
- Experience: 3-6 Years
WHAT WILL BE YOUR RESPONSIBILITIES?
- Participate in a full software development lifecycle and write code that is maintainable, clear, and concise.
- Coding, troubleshooting and Multi-threaded applications.
- Producing and refactoring code without assistance.
- Internal team coordination and integration of back end
SKILLS AND ABILITIES
- Java(J2EE)
- JSON,SOAP/REST,XML
- Spring MVC, Spring Boot , Spring JDBC, Tomcat, Hibernate
- postgresql
WHAT ARE WE LOOKING FOR?
- Educational Qualification - B.Tech (Computer Science) /M.C.A
- 3-6 years of experience in working as software engineer - Java developer
- Thorough understanding of coding and testing
- Expertise with Java(J2EE)
- Good technical level fluency (spoken and written) in English
- Understands TDD/Performance/Security/Smoke testing.
- Should have knowledge on Junit,SOAPUI,JMeter, postman & other Unit Testing framework.
- Understands feature toggling and version control.miliarity with code versioning tools
WHAT'S IN IT FOR YOU?
- An opportunity to be a part of a fast-scaling startup in the AdTech space that offers unmatched work opportunities.
- Join us and be certain that you grow up with a growing MNC
- You will work in an employee friendly ambience
- Pick up and drop facility at selected locations
• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template
designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best
quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.
Job Specifications
• BE/B. Tech. Computer Science or MCA from a reputed University.
• 6+ Years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO,
webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks, ESB
etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is
essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.
• This is not a Fullstack requirement, we are purely looking out for Backend resources
-
Expert knowledge of computer science, with strong competencies in data structures, algorithms,
and software design.
-
Strong understanding of end-to-end architectures and development frameworks; knowledge
across tiers in a multi-tier cloud environment including load balancers, web servers, application
containers, data stores, and distributed caches.
-
Minimum 6 years of experience with deep technical knowledge and hands on skills in Java.
-
Has worked extensively on caching technologies such as Redis, memcache.
-
Should be strong with Data Strcutures, Algorithms & OOPs concepts.
-
Worked on NoSQL databases such as MongoDb.
-
Designed and developed highly scalable multi-threaded large scale distributed systems.
-
Well versed with services and micro-services architecture.
-
-
Usage of containers, virtual machine systems, cloud computing.
-
Experience with Hibernate and Spring.
- Experience with Spring-boot, spring MVC
- Experience with all phases of the Software Development Lifecycle, including system analysis, design, coding, testing, debugging and documentation
- Teamwork & collaboration skills to work across organizations
- Problem solving skills to develop quick yet sound solutions to resolve complex issues
- Programming Language(s): Java, J2EE, JSON, HTML, DHTML, HTML 5, XML, EXTJS.
- Experience with XML/HTTP and Web Services
- Experience with HTML, JSP, CSS, JQuery / Ajax / JSON,
- Experience /Knowledge of Angular, React.
- Experience building J2EE based Web Applications
- Experience with MySql.
- Provide objective guidance without personal or political considerations.
- Pitching ideas for projects based on gaps in the market and technological advancements.
- Rolling out fixes and upgrades to software, as needed.
- Securing software to prevent security breaches and other vulnerabilities.
- Setting up a continuous build environment to speed up software development and deployment process.
- Architecting overall, comprehensive, and efficient practices.
- Guiding developers and operation teams in case of an issue.
- Monitoring, reviewing, and managing technical operations.
Requirements:
- Degree in Computer Science, Information Systems, or related field.
- Previous experience working on a 24x7 cloud or SaaS operation team.
- Spring Boot Java 8, Spring Core, Spring Boot, Spring MVC, Swagger, Tomcat 8, Maven, Jenkins, SVN, GIT, Postman/Newman, RESTful Services, Containers.
- Experience with infrastructure management and monitoring.
- Proven in developing, implementing, and providing solutions to the given problem in all Java technologies.
- Proficient in stitch-together end-to-end application starting from front-end web development, back-end development, middleware integration, and persisting data in no SQL or DBMS databases.
- Ability to work independently and as part of a team.
1 Bachelor’s / Masters’ degree from a reputed university
2 Technical certifications in Java is a good to have. Other programming certifications and
experience e.g., Python or C# is a plus.
3 Years of experience: 4-7 years for Senior Developer and 0-3 years for Developer
Technical Competencies
1 Hands on experience in writing software applications, in particular server side and backend
applications. Web development expertise is a plus.
2 Software development expertise
• Server technologies – Java based application development. Familiarity with various
Java based development frameworks. Spring development experience is a plus.
• Database technologies - Knowledge and familiarity with SQL. Experience with MySQL
as well as NoSQL databases such as MongoDB is a plus.
• Cloud technologies – Experience in building applications on cloud platforms,
especially on MS Azure, including familiarity with Cloud APIs, is a plus.
• Web technologies – Experience building web applications with JavaScript, CSS,
HTML, and expertise with frameworks such as Angular, Express, Node and others
3 Experience in agile software development and development in sprints
1. Work as part of a software development team
2. Good working knowledge with Core & advance java
3. Understanding of Spring & hibernate frameworks
4. Write code per app specifications in Java with Spring and Hibernate Framework.
5. Should have worked on front end technologies.
6. Good understanding of MySQL database ,Should be able to design database
7. Test to ensure designs are in compliance with specifications
8. Should be able to design authentication service
9. Good experience in Java Spring,Angular 5,Web APIs
10.Analyze user requirements to determine how to translate into Java
11.Should have knowledge about third party authentication like Facebook login, google login and Twitter login along with push notification and payment gateways
12.Write well designed, testable, efficient code and make sure designs are in compliance with specifications
Skills and Experience preference :
- 0.6 to 3 years of overall experience in software development with any degree in Computer science or related subject.
- Strong in Core Java, J2EE, RMI, Web services.
- Competent JSP, Struts, SQL, OOPs and ORM technologies (hibernate).
- Strong understanding of design patterns and multithreading.
- Experience on working in high performing development teams using agile/ scrum methodologies and Tools; various code versioning systems, such as SVN.
- Ability to multi task and switch context to changing priorities in a high dynamic environment and proficient in troubleshooting skills, especially in complex application stacks.
- Experience in Test Driven Development and mobile platform is added advantage

