Role Overview

We are looking for a Senior Backend Engineer to design, build, and scale robust backend services that power complex business workflows. This role requires strong ownership, deep Java expertise, a solid grounding in hexagonal architecture, and the ability to collaborate effectively across product, QA, AI/ML, and engineering teams in a fast-moving, AI-native environment.

Key Responsibilities

• Design and build Java (Spring Boot 3.x) microservices following hexagonal architecture — clean domain logic isolated from MongoDB, PostgreSQL, Cosmos DB, and Kafka adapter implementations.

• Develop and maintain REST APIs, Kafka event consumers/producers, and domain service logic for campaign, scoring, attribution, and customer profile workflows.

• Build and manage MongoDB document schemas and PostgreSQL relational schemas for high-throughput, multi-tenant use cases. 

• Implement Cosmos DB data models for event and state storage with appropriate partition key and consistency strategies.

• Take end-to-end ownership of components — from domain design and hexagonal adapter implementation through deployment and ongoing optimization.

• Integrate with Elasticsearch for campaign search, customer lookup, and full-text query workloads.

• Configure and tune Redis or Aerospike for frequency cap enforcement, scoring cache, and session state management.

• Identify and resolve performance bottlenecks across services, event pipelines, and data layers.

• Participate actively in design discussions, architecture decisions, and code reviews.

• Mentor Junior engineers and act as a role model for code quality, hexagonal design, and AI-native engineering best practices.

Skills & Qualifications

• 5+ years of backend engineering experience; Bachelor's or Master's degree in Computer Science or a related field.

• Strong Java 21 and Spring Boot 3.x expertise; solid grasp of hexagonal architecture and clean domain modeling.

• Experience with Kafka: consumer/producer patterns, at-least-once delivery, idempotent processing, and event-driven service design.

• Hands-on MongoDB experience: document schema design, indexing, aggregation pipelines, multi-tenant isolation.

• PostgreSQL experience: schema design, query optimization, migration management.

• Familiarity with Cosmos DB or equivalent distributed key-value / document stores.

• Experience with Elasticsearch for search and analytics workloads.

• Experience with Redis or Aerospike for high-throughput caching patterns.

• Familiarity with cloud-based systems on AWS (EKS, MSK, S3).

• Strong debugging, performance tuning, and system optimization skills.

• Familiarity with Agile/Scrum development practices and CI/CD pipelines.

Good to Have

• Experience with Temporal for workflow orchestration.

• Familiarity with AI-native integration patterns: MCP tool registration, scoring API contracts, LLM gateway usage.

• Working knowledge of Python for understanding AI/ML service outputs and integrating scoring results.

• Background in enterprise-scale SaaS platforms: eCommerce, supply chain, or similar. 

Job Description

We are looking for a Software Engineer II to join one of our Scrum teams building AI-native, event-driven services for automotive retail intelligence. This is a core contributor role for engineers with 2–4 years of experience who are ready to take end-to-end ownership of features, grow their distributed systems skills, and work in a high velocity environment that demands code quality, hexagonal architecture discipline, and genuine curiosity about AI-native engineering.

Key Responsibilities

• Develop and maintain Java (Spring Boot 3.x) backend services — implementing domain logic, REST APIs, Kafka event consumers/producers, and MongoDB/PostgreSQL persistence adapters following hexagonal architecture patterns.
• Build features across the full backend slice: domain model, port interface, adapter implementation, unit tests, and integration tests.
• Write integration tests using Testcontainers for MongoDB, PostgreSQL, Kafka, and Elasticsearch adapters — ensuring each adapter is tested independently from the domain core.
• Participate in design discussions, architecture reviews, and code reviews — actively learning from Staff and Senior engineers.
• Investigate and resolve bugs, performance issues, and Kafka consumer lag across services.
• Write clean, well-documented, testable code with consistent application of hexagonal design principles.
• Contribute to golden dataset test scenario design under the guidance of the Product Manager and SDET.
• Operate with ownership and curiosity in a fast-paced, startup environment.

Skills and Experience

• 2–4 years of backend engineering experience; Bachelor's or Master's degree in Computer Science or a related field.
• Solid Java fundamentals: object-oriented design, Spring Boot, REST API implementation, and unit testing (JUnit 5).
• Working knowledge of at least one of: MongoDB, PostgreSQL, or Kafka — with willingness to develop depth across all three.
• Understanding of hexagonal architecture concepts (ports & adapters) — ability to implement adapters under the guidance of senior engineers.
• Familiarity with cloud environments (AWS), containerization (Docker), and CI/CD pipelines.
• Strong problem-solving skills, attention to code quality, and ability to receive and apply feedback quickly.
• Collaborative mindset and clear communication — comfortable asking questions and flagging blockers early.

Preferred Skills

• Exposure to Kafka producers and consumers in a production or learning context.
• Familiarity with Elasticsearch for search and analytics use cases.
• Curiosity about AI/ML systems — awareness of what scoring models, embeddings, and LLMs do at a systems level.
• Exposure to Redis or Aerospike for caching patterns.
  
  

Perks and Benefits

• Competitive compensation and generous stock options.
• Medical insurance coverage.
• Work with some of the brightest minds from Silicon Valley's most dominant and successful companies.

Job Description

We are seeking a Staff Backend Engineer to design and build scalable, AI-native backend services that power customer intelligence, campaign orchestration, and attribution at automotive retail scale. This role is the critical technical anchor — defining hexagonal architecture patterns, owning service boundaries, driving AI integration patterns, and setting the engineering bar for the entire team.

Key Responsibilities

 • Architect Java (Spring Boot 3.x) microservices using hexagonal architecture — defining clean domain cores, port interfaces for persistence (MongoDB, PostgreSQL, Cosmos DB), and adapter implementations for Kafka, Elasticsearch, Redis/Aerospike, and external APIs.

• Own core domain models and service boundaries end-to-end: from initial hexagonal design through production operation, Kafka event contracts, and iterative enhancement.

• Build scalable, secure REST APIs and robust Kafka-based event-driven pipelines that consume and produce events across multiple source systems. 

• Design MongoDB document schemas and PostgreSQL relational schemas for high-throughput, multi-tenant workloads — with deep attention to indexing strategy, TTL, and tenant isolation patterns.

• Design Cosmos DB data models for high-throughput event and state storage — partition key strategy, consistency levels, and TTL configuration. 

• Design and implement durable campaign execution workflows using Temporal. 

• Establish and own AI-native integration patterns: MCP tool registration, scoring model serving contracts, LLM gateway integration, and agentic workflow design.

• Identify and resolve performance bottlenecks across services, Kafka pipelines, data layers, and Elasticsearch query performance. 

• Ensure all systems meet reliability, scalability, and observability standards.

• Mentor senior, mid-level, and junior engineers — setting and consistently raising the engineering bar.

Skills & Qualifications

• 8+ years of backend engineering experience with a strong track record delivering production-grade Java systems.

• Deep expertise in hexagonal architecture (ports & adapters) — proven ability to design domain cores fully decoupled from infrastructure layers.

• Strong Java 21 and Spring Boot 3.x expertise with event-driven, microservices-first design. 

• Strong experience with Kafka — consumer groups, partition design, offset management, idempotent consumers, and event-driven service integration.

• Proven experience with MongoDB: document schema design, indexing, aggregation pipelines, and multi tenant isolation patterns.

• Strong PostgreSQL experience: complex schema design, query optimization, migration management.

• Experience with Cosmos DB or equivalent globally distributed key-value stores: partition key design, consistency tuning, high-throughput read/write patterns.

• Solid experience with Elasticsearch: index design, search query optimization, relevance tuning.

• Experience with Redis or Aerospike for high-throughput caching and session/state management.

• Strong understanding of distributed systems: service boundaries, data consistency, idempotency, retries, and circuit breaking on AWS (EKS, MSK).

Preferred Skills

• Experience with Temporal for durable workflow orchestration. 

• Familiarity with MCP tool registration patterns and agentic platform integration.

• Working knowledge of Python for AI/ML pipeline integration (scoring models, feature serving, LLM gateway patterns).

• Prior experience building data platforms, real-time analytics systems, or AI-native SaaS products.

Perks & Benefits 

• Competitive compensation and generous stock options.

• Medical insurance coverage.

• Work with some of the brightest minds from Silicon Valley's most dominant and successful companies.

Senior Software Engineer, Billing

 Job Description: 

As a Sr. Backend Engineer, you will be a key player in our team, responsible for the design, development, and maintenance of our next-generation Billing service.  

 Responsibilities: 

• Design, construct, test, and maintain a highly scalable, event-driven billing service. 

• Build and operate ingestion pipelines that consume usage events from Pub/Sub and other upstream sources. 

• Implement metering, rating, aggregation, and reconciliation logic that guarantees correctness and idempotency at scale. 

• Ensure systems meet business requirements, regulatory needs, and industry best practices. 

• Collaborate with product managers, architects, engineering leaders, and test engineers to deliver new billing capabilities. 

• Drive improvements on billing reliability, accuracy, performance, and cost efficiency. 

• Troubleshoot and support the platform in production, including on-call rotations. 

 Qualifications: 

• 5+ years of software engineering experience. 

• 3+ years of Java backend development, with hands-on experience using Spring Boot. 

• Degree in Computer Science, IT, or similar field; a Master's is a plus. 

• Strong Computer Science fundamentals in design, data structures, algorithms, problem solving, and complexity analysis. 

• Experience designing and implementing RESTful APIs and event-driven services. 

• Strong understanding of event-driven architectures and asynchronous processing. 

• Experience with messaging systems (Pub/Sub, Kafka, or similar) and at-least-once / exactly-once processing semantics. 

• Hands-on experience with the GCP ecosystem (Pub/Sub, GCS, GKE, Cloud SQL, BigQuery, or similar). 

• Experience architecting, developing, and operating internet-scale, distributed, mission-critical services. 

• Prior experience in developing new features and debugging complex issues with minimal supervision. 

 Nice-to-have: 

• Previous experience building or operating billing, metering, rating, or invoicing systems. 

• Familiarity with file-based data formats such as CSV and Parquet. 

• Experience with stream processing frameworks (Apache Beam/Dataflow, Flink, Spark Streaming). 

• Previous experience in the Contact Center or Telco industry. 

The Team

The Core Applications team takes pride in providing exceptional support and innovative solutions for a diverse range of essential applications and tools, including Agent Desktop Plus, Supervisor Plus, Admin Console, Freedom Application Platform, Internal Admin (Shell), Agent Assist UI, Nimbus, and Unified Portal / Login.

We have a passion for excellence. Our dedicated team is committed to optimizing user experiences, streamlining workflows, and enhancing productivity across the board. Whether empowering agents with intuitive interfaces, empowering supervisors with powerful management tools, or enabling seamless access to critical applications via multiple platforms, we strive to deliver with utmost efficiency and customer satisfaction.

Our mission is to shape the future of Five9, where innovation and collaboration go hand in hand as we strive to build a world-class ecosystem of integrated solutions that cater to the ever-evolving needs of our valued users.

Role Purpose

The role of a Senior Software Engineer in the Core Applications team is to design, develop, and maintain software solutions across the Core Applications software suite. Responsibilities include software architecture, design and development, testing and documentation across our backend and front-end platforms to deliver end-to-end features, working with product owners and designers to design and deliver new features and create high-quality user interfaces, taking operational responsibility for the performance and quality of services owned by the team, including taking part in an on-call rotation, deep diving into cutting edge technologies and working with the products team to transfer ideas into products. The role is also responsible for mentoring other developers at Five9.

How You Contribute

• Understands various programming languages, frameworks, and development methodologies, which allow you to make informed decisions and solve complex technical challenges.

• Writing high-quality, efficient, and maintainable code. Should follow coding best practices and contribute to the development of software modules, features, and functionalities.

• Troubleshoot and resolve complex technical issues. When problems arise, you use your experience and problem-solving skills to identify the root causes and implement effective solutions.

• Ensure that the development stays on track, milestones are met, and the project aligns with business objectives.

• Collaborate with cross-functional teams, including product managers, designers, and quality assurance professionals, to ensure that everyone is aligned on project goals and progress.

• Follows and contributes to processes, documentation, specifications, and APIs.

Skills, Competencies and Qualifications

Required

• Highly proficient in a variety of programming languages, including but not limited to TypeScript/JavaScript, Java, PHP, or others as required.

• Strong experience with web development technologies such as HTML, CSS, TypeScript/JavaScript, and modern front-end frameworks like React.

• Strong experience with server-side technologies, REST API design and implementation, microservice architecture, databases (SQL, NoSQL, and Redis), and back-end frameworks like Java Spring Boot.

• Awareness of web security best practices and the ability to implement security measures to protect applications and data.

• A portfolio of past projects showcasing full-stack design and development skills.

• Ability to work independently and as part of a collaborative team.

• Strong commitment to delivering high-quality, performant, and scalable code and solutions on time and within scope.

• Ability to mentor other developers directly and via code reviews.

• Bachelor’s degree (or equivalent) in relevant discipline.

Desirable

• Experience with Contact Centre, IVR, Virtual Agents, VoIP and telecommunications service providers is advantageous.

• Experience with Google Cloud Platform, Kubernetes, and CI/CD.

Other Requirements

• This position requires the ability to be On Call.

Key Relationships

There are no direct reports to this role. Key stakeholders include:

• Service owners and their teams

• Technical leadership and senior management, including VPs

• Engineering teams

• Network and Telecom teams

• Customer service teams

• Compliance and infosec teams

This is not a customer-facing role.

About Us

“Capco, a Wipro company, is a global technology and management consulting firm. Awarded with Consultancy of the year in the British Bank Award and has been ranked Top 100 Best Companies for Women in India 2022 by Avtar & Seramount. With our presence across 32 cities across globe, we support 100+ clients across banking, financial and Energy sectors. We are recognized for our deep transformation execution and delivery. 

WHY JOIN CAPCO?

You will work on engaging projects with the largest international and local banks, insurance companies, payment service providers and other key players in the industry. The projects that will transform the financial services industry.

MAKE AN IMPACT

Innovative thinking, delivery excellence and thought leadership to help our clients transform their business. Together with our clients and industry partners, we deliver disruptive work that is changing energy and financial services.

#BEYOURSELFATWORK

Capco has a tolerant, open culture that values diversity, inclusivity, and creativity.

CAREER ADVANCEMENT

With no forced hierarchy at Capco, everyone has the opportunity to grow as we grow, taking their career into their own hands.

DIVERSITY & INCLUSION

We believe that diversity of people and perspective gives us a competitive advantage.

MAKE AN IMPACT

Job Description:

Job Title: Java Full Stack developer (5.1-7 years) 

Position Purpose: The main responsibility of Stability & Resilience division is to support the IT strategy & Production and gathers activities contributing directly to the stability and integrity of the Production and to the Information System’s resilience.

Within the division, the domain OPEN DATA oversees Global Production Information System and Group IT Referentials. This domain includes the following teams: • IT Assets MDM & IS Architecture • IT Data Quality & Group IT Discovery services • IT Datahub & OpenData services • Group IT Referentials (RefWeb, SURF, etc) • IT Meta Data Management & IT Dictionnary • Data Platform indus & SRE • P360 / CMIS / IT documents management

Leveraging teams’ expertise and ISPL IT skills, the goal is to enable applications flawless production by providing secure and stable environments and by ensuring that all actions on production environments are done in a controlled manner.

The Fullstack Application Automation Engineer will be integrated closely in the OpenData domain’s Group Referentials developpement Team which is in charge of: • Design & develop application and features based on users representatives needs • Design & develop api features based on users representatives needs • Maintain / monitor / support applications

Responsibilities Direct Responsibilities • Design of evolutions requested by the business • Technical and functional documentation • Backend and Frontend development • Implementation of TNR (Test and Validation) • Client support during testing • Management of deliveries to production o Preparation of delivery notes o Preparation of application versions to be delivered o Passing developments through the CI/CD chain (Gitlab, Jenkins, Gitlab CI) • Management of production anomalies • Development and implementation of APIs accessible within the group, integrated with mediation in APIM APIGEE o API development and Swagger setup o Testing with different teams on different environments • For a predefined applications scope contribute ITSM process based on ITL framwork : o Incidents o Requests o Changes • Ensure that SLA targets are met for above activities • Handover to Paris teams if knowledge and skills are not available in ISPL

Contributing Responsibilities • Contribute to the knowledge transfer with Paris teams • Contribute to the definition of procedures and processes necessary for the team • Help build team spirit and integrate into  culture • Contribute to the regular activity reporting and KPI calculation • Contribute to continuous improvement actions • Work with cross-functional teams to ensure IT services align with business needs and service level agreements (SLAs).

Technical & Behavioral Competencies • Expertise in full stack development • Spring Boot • Spring Batch • Springfox • SpringDoc • PrimeNg • Angular 7 and higher • Java 8 and higher • Selenium • IntelliJ • Experience with DevOps tools including GitlabCI or Jenkins • Experience with database technology is required: Oracle, Postgre. Capability to execute basic scripts and queries • Experience with containerization technologies (Kubernetes or OpenShift). • Experience on monitoring tools (e.g., Dynatrace, Prometheus, Grafana) • Experience with scripting (e.g., Python or Bash or other). • Experience with any cloud platforms (preferably IBM Cloud). • Understanding of ITIL or similar ITSM frameworks & tools • Experience with Service Now ticketing system • Experience in Agile framework and tools (e.g., Jira, Confluence, etc)

Specific Qualifications: Bachelor degree of equivalent. At least 5 years of experience in Full stack. Skills Referential (Required knowledge, skills and abilities) Technical Skills: o Spring Boot o Java 8 and higher o Angular 7 and higher o Spring Batch o GitlabCI or Jenkins o Oracle, Postgre o Containerization technologies (Kubernetes or OpenShift) Behavioral Skills: o Ability to collaborate / Teamwork o Creativity & Innovation / Problem solving o Decision Making o Communication skills - oral & written

Education Level: Bachelor degree or equivalent Location: Chennai

WHY JOIN CAPCO?

You will work on engaging projects with some of the largest banks in the world, on projects that will transform the financial services industry. We offer: • A work culture focused on innovation and creating lasting value for our clients and employees • Ongoing learning opportunities to help you acquire new skills or deepen existing expertise • A flat, non-hierarchical structure that will enable you to work with senior partners and directly with clients • A diverse, inclusive, meritocratic culture

We offer:

• A work culture focused on innovation and creating lasting value for our clients and employees
• Ongoing learning opportunities to help you acquire new skills or deepen existing expertise
• A flat, non-hierarchical structure that will enable you to work with senior partners and directly with clients