Senior Backend Developer - Server Side Applications

Job Description : The Senior Backend Developer is responsible for leading the design, build, testing, and maintenance of server-side applications and services that meet business and user requirements.This role takes technical ownership of backend architecture across the full software development lifecycle, ensuring systems are secure, scalable, and performant, while translating complex functional needs into reliable technical solutions and providing technical leadership and mentorship within cross-functional teams.Key Responsibilities : - Lead the design, development, testing, and maintenance of backend services, APIs, and data layers, setting and upholding coding standards and architectural best practices across the team.- Own the translation of business and functional requirements into robust backend technical designs, acting as the key technical liaison with product owners, analysts, and frontend/other stakeholders.- Design and maintain scalable, secure APIs and microservices, ensuring clean integration with frontend, third-party, and downstream systems.- Write clean, efficient, and maintainable server-side code, and review the work of other developers to ensure consistent quality, performance, and adherence to standards.- Design and optimise data models, database schemas, and queries, balancing performance, scalability, and data integrity across relational and/or non-relational stores.- Lead the diagnosis, troubleshooting, and resolution of complex defects across development, test, and production environments, including root-cause analysis for performance bottlenecks and system failures.- Drive collaboration with frontend developers, QA, and DevOps teams to shape CI/CD pipelines, deployment strategies, and release practices for backend services.- Take ownership of technical debt, system performance, scalability, and security posture across backend applications, proactively identifying and prioritising improvements.- Embed secure coding and data-protection practices into backend development (e.g., authentication/authorisation, encryption, input validation), aligned with relevant compliance and security standards.- Mentor and coach junior and mid-level developers, supporting their technical growth and conducting code reviews to build team capability.- Contribute to architectural decisions around system design, infrastructure, and technology choices, evaluating trade-offs for scalability, resilience, and maintainability.- Produce and maintain clear technical documentation (API specs, data models, system architecture), championing knowledge-sharing practices across the team.Job Requirements : Key Skills & Experience : - Significant proven experience as a backend developer (Minimum 5 years), with demonstrated ownership across the full software development lifecycle for server-side systems.- Strong proficiency in one or more backend programming languages such as Java, Python, C#, Node.js, or Go, with depth sufficient to guide technical decisions and mentor others.- Extensive experience designing and building RESTful APIs and/or GraphQL services, including versioning, authentication, and rate-limiting strategies.- Strong experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB), including schema design, query optimisation, and data modelling.- Experience with distributed systems concepts - caching, message queues, event-driven architecture, and microservices.- Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation/orchestration tools (Docker, Kubernetes).- Extensive experience with modern development frameworks, version control systems, and CI/CD tooling.- Deep understanding of software design principles, backend architecture patterns, data structures, and algorithms.- Strong track record in testing practices (unit, integration, load testing), debugging, and performance optimisation at scale.- Solid understanding of security best practices for backend systems (e.g., OWASP Top 10, secure authentication/authorisation, encryption at rest/in transit).- Excellent problem-solving skills, with the ability to work independently, lead technical initiatives, and support less experienced team members.- Strong communication and stakeholder management skills, with the ability to explain technical concepts and trade-offs clearly to non-technical stakeholders and influence technical direction.How We Work : Delta Capita is an equal opportunity employer.We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.If you require any reasonable adjustments through your interview process, please use the designated space within the application questionnaire.This is a full time Fixed Term Contract role for 1 year located in Bangalore with hybrid working.As the selection and interview process is ongoing, please submit your application in English as soon as possible, if your profile is selected, a member of our team will contact you within 4 weeks.Who We Are : Delta Capita Group (a member of the Prytek Group) is a global managed services, consulting and solutions provider with a unique combination of experience in Financial Services and technology innovation capability.Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non-differentiating services.Our 3 Offerings Are : - Managed Services.- Consulting & Solutions.- Technology. 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