
Senior Fullstack Developer (Backend Heavy)

Job Overview:
We are looking for a Full-Stack Developer with 4+ years of experience in software development. The ideal candidate will be proficient in both frontend and backend technologies, capable of building scalable and high-performance applications, and have a problem-solving mindset. You will collaborate with cross-functional teams to develop, optimize, and maintain web applications.
Key Responsibilities :
- Design, develop, and maintain web applications ensuring performance and scalability.
- Work with backend services using Node.js (Express.js/NestJS) and databases.
- Develop and maintain frontend applications using React.js (minimum 1 year experience required).
- Integrate APIs (RESTful & GraphQL) and third-party services.
- Write clean, maintainable, and efficient code following industry best practices.
- Ensure security, reliability, and optimization in applications.
- Participate in debugging, troubleshooting, and performance tuning.
- Work closely with designers, product managers, and engineers to deliver high-quality solutions.
- Stay updated with modern development trends and contribute to technical improvements.
Required Skills & Qualifications :
- 4+ years of experience in full-stack development.
- Strong proficiency in JavaScript and TypeScript.
- Hands-on experience with Node.js (Express.js/NestJS).
- Minimum 1 year of experience working with React.js.
- Experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
- Proficiency in API design, development, and integration (RESTful, GraphQL).
- Familiarity with version control tools (Git, GitHub/GitLab/Bitbucket).
- Strong problem-solving and analytical skills.
- Ability to work both independently and collaboratively in a team.
Good to Have :
- Experience with Cloud Services (AWS, Azure, or GCP).
- Familiarity with Containerization (Docker, Kubernetes).
- Knowledge of testing frameworks (Jest, Mocha, or Cypress).
- Understanding of event-driven architectures and message queues (Kafka, RabbitMQ).

About FiftyFive Technologies Pvt Ltd
About
Connect with the team
Company social profiles
Similar jobs
Responsibilities include:
- Develop and maintain data validation logic in our proprietary Control Framework tool
- Actively participate in business requirement elaboration and functional design sessions to develop an understanding of our Operational teams’ analytical needs, key data flows and sources
- Assist Operational teams in the buildout of Checklists and event monitoring workflows within our Enterprise Control Framework platform
- Build effective working relationships with Operational users, Reporting and IT development teams and business partners across the organization
- Conduct interviews, generate user stories, develop scenarios and workflow analyses
- Contribute to the definition of reporting solutions that empower Operational teams to make immediate decisions as to the best course of action
- Perform some business user acceptance testing
- Provide production support and troubleshooting for existing operational dashboards
- Conduct regular demos and training of new features for the stakeholder community
Qualifications
- Bachelor’s degree or equivalent in Business, Accounting, Finance, MIS, Information Technology or related field of study
- Minimum 5 years’ of SQL required
- Experience querying data on cloud platforms (AWS/ Azure/ Snowflake) required
- Exceptional problem solving and analytical skills, attention to detail and organization
- Able to independently troubleshoot and gather supporting evidence
- Prior experience developing within a BI reporting tool (e.g. Spotfire, Tableau, Looker, Information Builders) a plus
- Database Management and ETL development experience a plus
- Self-motivated, self-assured, and self-managed
- Able to multi-task to meet time-driven goals
- Asset management experience, including investment operation a plus
- Ability to work in a fast-paced environment with minimal supervision
- Experience in Agile development using JIRA, GIT, Confluence.
- 3+ years of Experience in node.js + Express.
- Experience in profiling, debugging & troubleshooting Node.js processes.
- Strong Experience as a backend developer for REST API design.
- Strong knowledge of SQL/NoSQLdatabases like PostgreSQL / MySQL or MongoDB
- Understanding accessibility and security compliance
- Understanding fundamental design principles behind a scalable application.
- User authentication and authorization between multiple systems, servers, and environments.
We are looking for a Rust Developer to join our cutting-edge development team as it grows. The candidate must be comfortable working in an agile environment and can take the lead when necessary.
Responsibilities:
- Responsible for developing the product as per the product specification defined by the product managers
- Responsible for performing research on the best methods of implementing the requirements
- Author and curate technical documentation to support delivery, maintenance, and adoption
- Work with programmers, engineers, and management heads to identify process improvement opportunities, propose system modifications, and devise governance strategies to optimise the overall performance
- Design and develop automated deployment and maintenance mechanisms
- Solving development challenges and making architectural decisions by understanding the larger picture of the project goals
- Expanding your existing skill set, and picking up on various rust-dependent frameworks
- Confidently communicating and collaborating with your fellow developers in an office set-up.
Requirements:
- Must have experience in Rust programming language
- Have excellent knowledge of different data structures and algorithms
- Working knowledge of any other programming language Python, Java, or JavaScript is good to have
- Experience with, or understanding of, Kafka or Redis, Cloud infrastructure services, and Docker is an added advantage
- Experience with SQL or NoSQL databases, MySQL, MongoDB, Elasticsearch, etc.
- Experience in Backend and APIs development
- Experience in analysing and optimising the platform's performance
Hey Folks!
We are hiring java developers with Core java-7/8, microservices, springboot, oops, RestAPI and SQL skills.


BE/BTech from shortlisted institutes;
b) Work closely with business in identifying solution requirements and key case-studies/scenarios for the future solution
c) Design and prototype Azure solutions, create solution architecture document covering deep technical aspects of the implementation
d) Create a unified strategy for Azure cloud transformation governance, automation, security, implementation and operations
e) Analyze existing application portfolios, develop next-gen application architecture, transformation and modernization roadmap
f) Conduct Azure solutions architecture review/audit and create review/audit report
g) Lead implementation of the solution from establishing project requirements and goals to solution "go-live"
h) Oversee the development efforts and provide technical help as needed
i) Day-to-day lead the client through the technical and organizational challenges of Cloud transformation
j) Participate in the full cycle of pre-sale activities, including RFP processing, proposal development and direct communications with potential clients
k) Maintain a strong understanding of industry trends and best practices
l) Create thought leadership on Azure solutions and hybrid clouds
m) Serve as an Azure evangelist, consult and provide technical guidance on Azure solutions design, build, governance, security, operations and cost control best practices
What You Have
n) Large-scale software development or application engineering with recent coding experience in the following platform: .Net Core,.NET MVC, Azure, React.js, Angular
o) Designing and building applications using container and serverless technologies
p) Experience architecting highly available systems that utilize load balancing, horizontal scalability and high availability
q) Deep expertise in solution architecture including web services, relational and non-relational databases, front-end and/or back-end technologies
r) Good exposure to Agile software development methodologies and DevOps practices such as Infrastructure as Code (IaC), Continuous Integration (CI) and automated deployment
s) Experience working with highly scalable, performant and mission critical architectures
t) Avid technologist, with deep expertise in modern cloud architecture and history of successful implementation of complex Azure solution
u) Ability to suggest competitive and innovative technical decisions, get client buy-in and deliver commitments
v) Strong communication skills, ability to present technical ideas in business-friendly language
w) Analytical and problem-solving abilities
x) Azure certifications and Architecture Framework (TOGAF/IAF) are recommended


Experience of a minimum of 1 year in C#.NET, .NET Core, ASP.NET, MVC, HTML, CSS, JavaScript programming
Experience with SOAP and REST web services from a client perspective WCF/Web API
Experience with ADO.NET for Microsoft SQL Server
Experience with caching, parallel, multithread programming
Working knowledge on Aurora PostgreSQL
Experience in development and deployment on AWS
Experience working with Bitbucket, Jira, Clickup
Experience working with Agile Scrum methodology
A self-driven attitude
Excellent written and spoken English
A knowledge and interest in sport will be helpful
Relevant Experience: 1 to 4+ years
Qualifications: Computer Science or Software Engineering degree

- 3-5 Years of experience in Backend Development.
- Must have experience in Python (FLASK framework).
- Have Deep understanding of how RESTful APIs work.
- Familiar with various design and architectural patterns that can work at scale.
- Sound knowledge of NoSQL/SQL Databases (Mongo DB preferred).
- Strong experience with at-Cloud technology, preferably AWS or GCP or Azure.
- Core experience in developing complex backend systems.
- Communicating complex technical concepts to both technical and non-technical audiences.
- Passionate about application scalability, availability, reliability, and security.

Responsibilities :
- Design and develop highly scalable, highly available, reliable, secure and fault-tolerant systems with minimal guidance for one of the fastest-growing company in India
- Translate business requirements into scalable and extensible design
- Pair with team members on functional and nonfunctional requirements and spread design philosophy, goals and improve the code quality across the team
- Partner with the product management team to define and execute the feature roadmap
- Coordinate with cross-functional teams (Mobile, UX etc.) on planning and execution
- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies
- The building of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
Experience and Skills :
- 2+ years of hands-on experience in designing, developing, testing and deploying applications on Node.JS for large scale applications.
- Strong proficiency with JavaScript
- Understanding of Asynchronous Request handling techniques.
- Deep knowledge of Linux : CentOS, Fedora, or Ubuntu
- Data modeling experience in Relational and NoSQL databases(MONGO DB)
- Ability to understand and implement Continuous Integration and Continuous Delivery
- Well versed with Agile methodologies, TDD and Test Engineering and Automation
- Ability to design and implement low latency RESTful services
- Experience troubleshooting server performance - memory issues, GC tuning, resource leaks, etc.
- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, network programming, concurrency and multithreading, fault tolerance, monitoring, security and operability of systems
- Continuously refactor applications to ensure high-quality design
- Ability to plan, prioritize, estimate and execute releases with a good degree of predictability




