Software Engineer / Senior Software Engineer

About the Job

This is a full-time role for a Senior Fullstack Engineer at Spark Eighteen. We are seeking an experienced and influential developer to lead the design, architecture, and implementation of cutting-edge, end-to-end solutions. This role requires a deep expertise in both frontend (React) and backend (Node.js) technologies, along with the ability to provide strong technical leadership and drive innovation across the full technology stack. The job location is for the Saket office in Delhi NCR.

Responsibilities

• Lead the development of major features and complex project components across the full stack, ensuring high-quality, scalable, and secure delivery.
• Design and architect efficient, maintainable solutions for both client-side and server-side systems.
• Provide technical leadership and mentorship to junior and mid-level developers, fostering a culture of engineering excellence.
• Drive the adoption of new technologies and best practices to enhance application performance, security, and reliability.
• Collaborate closely with product managers, designers, and other engineers to translate business requirements into robust technical solutions.
• Conduct architectural reviews, make strategic technical decisions, and implement risk mitigation strategies for technical challenges.
• Champion code quality initiatives and enforce coding standards across the team.

Requirements

Technical Skills

• 3+ years of professional experience in software development with a strong fullstack background.
• Mastery of HTML5, CSS3, and advanced JavaScript (ES6+), including asynchronous programming.
• Strong proficiency in React or Next.js, with deep experience in state management libraries like Redux or Context API.
• Proven experience with modern frontend build tools (e.g., Webpack, Babel) and testing frameworks (e.g., Jest, Cypress).
• Deep professional experience in Node.js and TypeScript, including advanced patterns and debugging techniques.
• Strong understanding of API security (JWT, OAuth), caching strategies (Redis/Memcached), and data encryption.
• Proficiency with cloud providers (AWS, GCP, Azure), serverless frameworks, and cloud databases (e.g., DynamoDB).
• Thorough understanding of security best practices across the full stack (e.g., XSS, CSRF, TLS/SSL).
• Proficiency with advanced Git workflows, CI/CD pipelines, and collaborative development processes.

Soft Skills

• Excellent cross-functional communication skills, with the ability to articulate complex technical concepts clearly.
• Proven technical leadership and a passion for mentoring and elevating the skills of team members.
• Strategic thinker with robust analytical, problem-solving, and risk assessment capabilities.
• Strong ability to align technical initiatives with broader business strategy.
• A collaborative approach and a commitment to continuous learning and technical excellence.

What We Offer

• Professional Growth: Continuous learning opportunities through diverse projects and mentorship from experienced leaders.
• Global Exposure: Work with clients from 20+ countries, gaining insights into different markets and business cultures.
• Impactful Work: Contribute to projects that make a real difference, with solutions generating over $1B in revenue.
• Work-Life Balance: Flexible arrangements that respect personal wellbeing while fostering productivity.
• Career Advancement: Clear progression pathways as you develop skills within our growing organization.
• Competitive Compensation: Attractive salary packages that recognize your contributions and expertise.

Our Culture

At Spark Eighteen, our culture centers on innovation, excellence, and growth. We believe in:

• Quality-First: Delivering excellence rather than just quick solutions.
• True Partnership: Building relationships based on trust and mutual respect.
• Communication: Prioritizing clear, effective communication across teams.
• Innovation: Encouraging curiosity and creative approaches to problem-solving.
• Continuous Learning: Supporting professional development at all levels.
• Collaboration: Combining diverse perspectives to achieve shared goals.
• Impact: Measuring success by the value we create for clients and users.

Apply Here - https://tinyurl.com/mr46nanf

About the Role :

We are looking for a skilled and strong expertise in Vue.js and EJB/Spring Boot to join our growing team. The ideal candidate should have hands-on experience building scalable, high-performance web applications and APIs, with a keen eye for performance, security, and maintainability. You will work closely with product managers, designers, and other developers to design, develop, and deploy innovative solutions for modern web applications.

Key Responsibilities :

- Develop, test, and maintain frontend applications using Vue.js .

- Design and implement backend services and RESTful APIs using Jersey Client EJB or Spring Boot.

- Integrate frontend and backend services ensuring seamless data flow and optimized performance.

- Work with relational and/or NoSQL databases, ensuring efficient query design and schema modeling.

- Implement secure authentication/authorization flows (JWT, OAuth2, etc.).

- Optimize application performance for speed, responsiveness, and SEO.

- Write clean, maintainable, and well-documented code with proper unit/integration tests.

- Collaborate with cross-functional teams for requirement gathering, technical design, and solution delivery.

- Stay up to date with latest technologies in Vue ecosystem, Java EJB, Jersey Client / Spring Boot, cloud deployment, and DevOps practices.

- Contribute to code reviews, technical documentation, and team knowledge sharing.

Required Skills & Qualifications :

- Strong expertise in Vue.js (Composition API, Vuex/Pinia, Vue Router).

- Hands-on experience with EJB and Jersey Client / Spring Boot for building scalable and secure backend APIs.

- Strong understanding of REST API design, microservices architecture, and best practices.

- Proficiency in JavaScript/TypeScript, HTML5, CSS3, Tailwind/Bootstrap.

- Experience with relational databases (MySQL/PostgreSQL) and ORM tools (JPA/Hibernate).

- Caching : Redis

- DevOps Tools : CI/CD with GitLab CI, Jenkins (optional)

- Version Control : GitLab, SVN

- Others : Postman, Swagger/OpenAPI, Maven/Gradle

- Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Good to Have) :

- Experience with GraphQL, WebSockets, or gRPC.

- Knowledge of ElasticSearch, Redis, or Kafka.

- Familiarity with Headless CMS integrations.

- Exposure to Agile/Scrum methodology.

- Familiarity with Docker, CI/CD pipelines, Git, and cloud deployment (AWS/GCP/Azure).

- Knowledge of security best practices (XSS, CSRF, CORS, API security).

Exp: 5 - 7 Years

CTC: 40-45 LPA

Notice Period: Only Immediate joinees

Candidates must have experience working in product-based companies.

He should have spent at least half of his total experience in product-based companies.

● Experience: 5+ years of experience in front-end development with significant experience using ReactJS and its ecosystem (Redux, React Router, etc.).

● Leadership: Proven ability to take the lead on complex projects, guide junior developers, and drive technical decision-making.

● Problem Solving: Strong analytical and problem-solving skills with the ability to work through complex issues and deliver creative solutions. ● Collaboration: Excellent communication skills with the ability to collaborate effectively with cross-functional teams, including UX/UI designers, back-end engineers, and product managers. Technical Skills Required:

● ReactJS 16+: Deep expertise in ReactJS, including lifecycle methods, hooks, functional components, and performance optimization techniques.

● Redux: Advanced knowledge of Redux for managing and debugging application state, including middleware like Redux Thunk or Redux Saga for handling async actions.

● Typescript: Proficiency in TypeScript for building strongly typed and scalable applications, with a focus on maintainability and reducing runtime errors.

● NodeJS & ExpressJS: Solid experience in using NodeJS and ExpressJS for building RESTful services, handling HTTP requests, and integrating with various APIs.

● Material UI: Strong experience with Material UI to build rich, responsive, and intuitive user interfaces while adhering to design principles.

● RESTful APIs: Expertise in designing, consuming, and optimizing REST APIs to enable efficient data transfer between client and server.

● Version Control: Proficient in Git and GitHub/Bitbucket for source control and version management.

● Testing: Familiarity with unit testing frameworks and methodologies for front-end development (e.g., Jest, React Testing Library).

● Build Tools &a Bundlers: Experience with modern build tools like Webpack, Babel, and bundling tools for optimizing the front-end codebase."

Good to have "Preferred Qualifications:

● Cloud Technologies: Experience deploying and maintaining applications on cloud platforms such as AWS, Azure, or GCP.

● CI/CD Pipelines: Familiarity with continuous integration and continuous deployment pipelines, with experience in tools such as Jenkins, CircleCI, or GitHub Actions.

● Mobile Development: Familiarity with mobile-first design principles and responsive web design (RWD), as well as experience building applications that work across desktop tablet, and mobile devices." Roles & Responsibilities "

● End-to-End Product Ownership: Take ownership of the development and evolution of core product features from conception through to launch, ensuring they meet both functional and non-functional requirements.

● Collaborative Design & Development: Partner with product managers, UX/UI designers, and back-end engineers to architect and implement scalable, user-centric, and highly performant ReactJS applications. ● User-Centric Development: Understand customer needs and translate them into effective, intuitive user experiences. Participate in user research, A/B testing, and iterative product improvement.

● ReactJS Development: Lead the design and development of complex web applications using ReactJS 16+ and ensure high performance and scalability across different browsers and platforms.

● State Management with Redux: Architect and implement Redux-based solutions to manage application state in large-scale, high-performance applications.

● Typescript Expertise: Utilize Typescript for type-safe, scalable, and maintainable front- end code, ensuring a seamless development experience.

● Backend Integration: Use NodeJS and ExpressJS to create efficient server-side functionality, integrate with RESTful APIs, and ensure smooth front-end to back-end communication.

● UI Design with Material UI: Create clean, user-friendly interfaces using Material UI components, ensuring an elegant and responsive design that meets user expectations.

● Code Quality: Write clean, reusable, and modular code following best practices. Continuously refactor and optimize code for performance improvements.

● Collaboration & Mentorship: Collaborate with product managers, designers, and back- end developers to deliver user-centric features. Mentor and guide junior developers in the team.

● Agile Development: Work in an Agile development environment, actively participating in sprint planning, standups, and retrospectives to ensure timely delivery of features.

● Performance Optimization: Identify performance bottlenecks in the application and implement solutions to improve load times, responsiveness, and overall user experience. ● Cross-browser Compatibility: Ensure the web application works seamlessly across all modern browsers and devices, using responsive design principles.

Role & Responsibilities:

• Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
• Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
• Transform business and design needs into innovative products.
• Drive all projects to completion within deadlines.
• Perform thorough testing to find issues ahead of time.
• Engineering software needs more precise analysis & coding skillset
• Enhance skillset by working with fortune 500 clients
• Interacting with internal team.

Qualifications:

• E in computer science or related fields.
• Hand on development experience with web & database technologies (MS SQL).
• Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
• Ability to work at the tactical and strategic levels of IT initiatives.
• Impressive hands-on experience in .Net technologies. Impressive hands-on experience and knowledge with C#, SQL, JSON, XML, Win Forms & MVC, Angular, JavaScript, jQuery , HTML/CSS.
• Self-Motivated, flexible & Innovative

.Net developer role will involve working in all phases of the software development cycle. Build new systems with Microsoft technologies with primary focus in C#, .NET, .Net Core,Web API, SQL, Entity Framework, Async Programing, Git, and Design patterns. Be an effective team player in a small, experienced and energetic team working on a rapid and agile development schedule.

Required Skills  3-5 years of experience as a developer

 3+ years in Microsoft Web-related Technologies

 Deep knowledge of the .NET Framework, .NET Core,

.Net, MVC, C#, ENTITY Framework, REST web services

– Authentication, Authorization, Performance Tuning,

JSON, Unit testing – Nunit, Xunit

 Experience in Data Modelling, Object Oriented Designs

 Experience in integrating with other systems like Payment

gateway or third-party API or integration tools like Boomi

 Hands-on experience in SQL Server stored procedure

development and fine-tuning.

 Experience in using GitHub, project management, defect

tracking tools.

 Provide accurate status to Management/Project Managers

and escalating where appropriate

 Mentor and guide new developers and team

 Self-directed with excellent problem-solving skills

 Strong written and Oral communication skills and must be

a fast learner adapting to new technologies and frameworks.

 Review test plans with QA & drive the code reviews

within the team

 BE in CS, MCA or BSc in Math or equivalent

Desirable Skills

 Exposure to Azure services, AWS services, cloud deployment

·      Experience 4 to 8 Years Hands-on development experience with Java/J2EE

·      Knowledge/Work experience on core Java 1.8 features

·      Expertise in Object Oriented Programming, Design Patterns 

·      Knowledge/implementation on SOAP or REST protocol.

·      Working experience on Rest Services, Micro Services

·      Extensive hands-on experience building services using these Spring boot, Hibernate.

·      Capable of writing unit tests and implement best coding practices (Junit/Mockito)

·      Good knowledge of SQL / query optimization

·      Experience with modern JavaScript.

·      Working knowledge and experience with JQuery, Ajax, JSON, CSS, HTML

·      Knowledge on at least one web platform (e.g. Angular, React) is desirable.

·      Experience working in an Agile/Scrum development process

·      Good written and oral communication skills.

·      Strong problem solving and data structure skills.

·      Continuously contribute to team performance improvement and collaboration

·      Collaborate effectively across teams

·      Good to have knowledge on cloud technologies (AWS/Google/PCF)

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.

Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

To know more about us please visit: https://www.apexon.com/

About the role:

• Experience: 7+ years of experience building modern web applications working in the fullstack
• Proficiency in TypeScript and JavaScript with a thorough understanding of React.js or Vue.js and their core principles preferred
• Implementing RESTful APIs using .Net/C# preferred with experience with .Net Core, .Net 5 or 6 a bonus!
• Experience with SQL and relational database design with MS SQL Server experience is added advantage
• Experience with NoSQL/document database technologies
• Experience writing automated unit tests in the full stack environment
• Knowledge of modern authentication and authorization mechanisms
• Familiarity with modern front-end and backend build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Experience with modern responsive web application design & development Familiarity with Node.js
• Experience with microservice architecture
• Experience using Git version control
• Experience with VS Code, Visual Studio, or other relevant development tools
• Familiarity with Scrum/Agile principles
• Strong communication skills
• Ability to understand business requirements and translate them into technical requirements.
• 
  

Required skill set:

• Candidate must be good in JavaScript and have experience in at least one modern JavaScript framework such as Vue/Angular/React. But must be willing to work in Vue/React.
• Must have experience in .NET Framework. Good to have experience in .NET Core/.NET 5/6/7. But must be willing and capable enough to learn .NET Core.
• Should be able to work independently with minimum supervision.
• Must be good in programming concepts such as OOPS, Unit Tests, Web API, SQL, etc

The Senior Developer takes up the responsibility of delivery of assigned task with quality and within given timelines and delivers independently.

• Extensive knowledge of software development processes
  • Strong knowledge on different programming languages/technologies
  • Knowledge & experience of different coding practices
  • Quality deliverables meeting Project specific/Industry specific standards
  • Delivery within defined/agreed timelines

Java, Spring Boot, Microservices, JUNIT,
MySQL/Oracle, Javascript/Typescript,
HTML, Angular/ ReactJS

IIT, NIT and Top Tier-1 Institutes candidates only.
Skills

❖ At least 8 years of full-time engineering experience

❖ Proven ability to work on multiple projects at a time within a fast-paced environment with tight deadlines

❖ Expertise in Node, Javascript (ES6) and good understanding of web frontend technologies

❖ Experience developing large-scale software products, quality, monitoring and reliability

❖ Experience working with relational databases such as MySQL or Postgres

❖ Experience building REST APIs

Bonus Points

❖ Significant experience with TypeScript and Express.js

❖ Significant experience developing user interfaces with the React framework

❖ Experience with AWS

❖ Experience with Agile software development

Job Title:  .Net Developer

Experience- 2-4 years

Qualification- BE/BTech/ME/MTech/MCA or equivalent

Location:  Pune

Job Description

.Net Developer

• Designing Web pages in ASP.NET technology
• Coding in C# (Building the application’s Business Logic and other related software code)
• Hands on experience on SQL Server
• NET, C#, .NET framework 3.5 work experience
• Experience in Framework 4.5 / Bootstrap / HTML 5 / JQuery / LINQ to SQL
• Requirement gathering through client interaction
• Understanding of change request processes and other software development processes and preparing technical documentation
• Problem-solving and thinking laterally as part of a team, or individually, to meet the needs of the project
• Doing Manual unit Testing of the software developed
• Experience in Deployment and Build management
• Consulting clients/colleagues concerning the maintenance and performance of software applications and obtaining information, clarify details and implement information