721 Back End Developer jobs in Noida

We are looking for a Senior Back-End Web Developer to lead the development of server-side logic, database management, and API integration. The candidate should have a deep understanding of modern back-end technologies and experience building scalable, secure, and high-performance web applications.

Design, implement, and maintain scalable and secure server-side architecture.

Develop robust APIs and services to support front-end development.

Optimize database structures and queries for improved performance.

Ensure application security by implementing best practices in authentication and data protection. Monitor, troubleshoot, and resolve server-side performance issues.

Collaborate with front-end developers and other team members to ensure seamless integration. Capable of handling a team of Jr developers & interns

Conduct code reviews and provide technical guidance to junior developers.

Mentoring the team members with required skills & training

Document technical solutions and system designs.

Proficiency in any Core Java, Springboot & Node JS.

Strong understanding of other languages (PHP, Python etc) will be an advantage.

Strong knowledge of relational databases like PostgreSQL, MySQL, and NoSQL databases like MongoDB.

Hands-on experience with API development and integration (RESTful and GraphQL).

Expertise in version control systems like Git.

Expertise in system and schema design.

Understanding of cloud platforms such as AWS, Azure, or Google Cloud.

Familiarity with microservices architecture and containerization tools like Docker.

Strong debugging and optimization skills.

Familiarity with project management tools like Jira.

Experience with CI/CD pipelines and DevOps practices.

Knowledge of message brokers like RabbitMQ or Kafka.

Familiarity with Agile and Scrum methodologies.

BE/B.Tech in computer science

MCA 

Backend Developer (4+ yrs)

Sector 142, Noida | Full-time | Onsite (5 days)

At LearnApp , we’re building products that power learning for millions: Fast, scalable, and impactful.

We’re looking for a Backend Developer who loves experimenting, iterating quickly, and scaling systems that matter.

What you’ll do :

• Design & scale APIs, services, and data pipelines
• Rapidly build POCs & ship features with the team
• Optimize for performance, reliability & cost-efficiency
• Own CI/CD, monitoring, integrations & documentation

What we’re looking for :

• 4+ years backend dev experience
• Strong in Node.js (NestJS/Express.js)
• Hands-on with AWS (Lambda, S3, DynamoDB, CloudFront)
• SQL + NoSQL databases (PostgreSQL, MongoDB, DynamoDB)
• Understanding of REST, WebSockets, event-driven systems

Bonus if you have: Python, Docker/Kubernetes, DevOps practices, startup experience

Why LearnApp

About Us

At AutoBit Software Services, we’re building next-gen fintech and data products:

• ONQL – our in-house real-time database
• Fintrabit
• Trading Terminal – low-latency trading infrastructure

Role

We’re looking for a Backend Developer to design and scale high-performance systems across these products. You’ll work on real-time data pipelines, secure APIs, and cloud-native services that power mission-critical applications.

Responsibilities

• Develop and optimize APIs, microservices, and real-time pipelines
• Integrate external data/payment systems with low-latency performance
• Ensure security, scalability, and high availability
• Collaborate with cross-functional teams in Agile workflows
• Contribute to CI/CD pipelines and clean, maintainable code

Requirements

• 2–5 years backend experience
• Strong in Golang , Node.js, or Python/Django
• Solid with SQL (Postgres/MySQL) and NoSQL (MongoDB/Redis)
• Experience with AWS/Azure/GCP , Docker, Kubernetes
• Knowledge of REST, microservices, WebSockets, and security best practices

Nice to Have

• Fintech, payments, or trading systems experience
• Familiarity with databases, distributed systems, or HFT

Why Join

• Work across multiple high-impact fintech products
• Competitive pay, growth opportunities, and innovative culture
• Chance to shape the core tech behind next-gen trading & payments

Your potential, unleashed.

India’s impact on the global economy has increased at an exponential rate and Deloitte presents an opportunity to unleash and realise your potential amongst cutting edge leaders, and organisations shaping the future of the region, and indeed, the world beyond.

At Deloitte, your whole self to work, every day. Combine that with our drive to propel with purpose and you have the perfect playground to collaborate, innovate, grow, and make an impact that matters.

The team

As a member of the Operations Transformations team you will embark on an exciting and fulfilling journey with a group of intelligent and innovative globally aware individuals.

We work in conjuncture with various institutions solving key business problems across a broad-spectrum roles and functions, all set against the backdrop of constant industry change.

Your work profile

Job Title: Java Spring Boot Developer / Back End Developer

Location : Delhi

Experience: 5+ years in coding, debugging, and feature development using modern programming languages and frameworks.

Education: BE/B.Tech/MCA/M.Tech

Job Role :

• Developing Portal: Writing clean, efficient, and maintainable code to create functional software applications based on the requirements.
• Fixing Bugs: Troubleshooting and resolving issues or bugs in the portal to ensure smooth operation.
• Code Reviews: Participating in or conducting peer code reviews to maintain code quality and share knowledge.
• Knowledge to implement advance technologies in project like AI/ML, blockchain etc. is an added advantage

Responsibilities:

• Integration of user-facing elements developed by front-end developers with server-side logic, ensuring a seamless user experience.
• Design, develop, and maintain efficient, reusable, and reliable Java code for high-performance applications.
• Build and implement low-latency, high-availability, and scalable applications , ensuring seamless operation under high load.
• Implement security and data protection protocols , ensuring compliance with industry standards and best practices.
• Integration of data storage solutions (SQL and NoSQL databases) and management of database schema and queries.
• Collaborate with cross-functional teams to define and implement new features, improvements, and bug fixes.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Optimize applications for performance , scalability, and maintainability.

Skills Required:

• Proficiency in Java (8 and above), including object-oriented design principles, with a focus on performance optimization and scalability.
• Experience with Spring Boot (Spring 5.x or newer), Spring Cloud , and Spring Security for building microservices and cloud-native applications.
• RESTful API development and Web Services (JSON) for integration with other systems.
• Microservices Architecture : Knowledge and experience in designing and building distributed, fault-tolerant, and scalable systems using Spring Boot , Spring Cloud , or Kubernetes .
• Database Technologies : Strong knowledge of relational (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Cassandra, Elasticsearch) and ability to design efficient schemas and queries.
• Caching Solutions : Experience with caching technologies like Redis /Memcached to improve application performance.
• Messaging Queues : Experience with technologies like Kafka/RabbitMQ to improve application performance.
• Unit Testing & Test-Driven Development (TDD) : Expertise in JUnit , Mockito , or TestNG for writing automated unit and integration tests.
• Version Control : Strong experience with Git , including branching strategies, pull requests, and merge conflicts resolution.
• Monitoring & Logging : Familiarity with tools like ELK Stack (Elasticsearch, Logstash, Kibana) , Prometheus , Grafana , or Splunk for monitoring, logging, and troubleshooting.
• Agile/Scrum : Strong understanding and experience working in an Agile/Scrum environment, including sprint planning, daily stand-ups, and retrospectives.
• Security Best Practices : Knowledge of secure coding practices, OAuth , JWT , and SSL/TLS for data protection and authentication.
• Optional Certifications (preferable but not mandatory):
• Oracle Certified Professional (OCP) Java SE
• Spring Professional Certification

How you’ll grow

Connect for impact

Our exceptional team of professionals across the globe are solving some of the world’s most complex business problems, as well as directly supporting our communities, the planet, and each other. Know more in our Global Impact Report and our India Impact Report .

Empower to lead

You can be a leader irrespective of your career level. Our colleagues are characterised by their ability to inspire, support, and provide opportunities for people to deliver their best and grow both as professionals and human beings. Know more about Deloitte and our One Young World partnership.

Inclusion for all

At Deloitte, people are valued and respected for who they are and are trusted to add value to their clients, teams and communities in a way that reflects their own unique capabilities. Know more about everyday steps that you can take to be more inclusive. At Deloitte, we believe in the unique skills, attitude and potential each and every one of us brings to the table to make an impact that matters.

Drive your career

At Deloitte, you are encouraged to take ownership of your career. We recognise there is no one size fits all career path, and global, cross-business mobility and up / re-skilling are all within the range of possibilities to shape a unique and fulfilling career. Know more about Life at Deloitte.

Everyone’s welcome… entrust your happiness to us

Our workspaces and initiatives are geared towards your 360-degree happiness. This includes specific needs you may have in terms of accessibility, flexibility, safety and security, and caregiving. Here’s a glimpse of things that are in store for you.

Interview tips

We want job seekers exploring opportunities at Deloitte to feel prepared, confident and comfortable. To help you with your interview, we suggest that you do your research, know some background about the organisation and the business area you’re applying to. Check out recruiting tips from Deloitte professionals.

Backend Developer (4+ yrs)

Sector 142, Noida | Full-time | Onsite (5 days)

At LearnApp, we’re building products that power learning for millions: Fast, scalable, and impactful.

We’re looking for a Backend Developer who loves experimenting, iterating quickly, and scaling systems that matter.

What you’ll do :

• Design & scale APIs, services, and data pipelines
• Rapidly build POCs & ship features with the team
• Optimize for performance, reliability & cost-efficiency
• Own CI/CD, monitoring, integrations & documentation

What we’re looking for :

• 4+ years backend dev experience
• Strong in Node.js (NestJS/Express.js)
• Hands-on with AWS (Lambda, S3, DynamoDB, CloudFront)
• SQL + NoSQL databases (PostgreSQL, MongoDB, DynamoDB)
• Understanding of REST, WebSockets, event-driven systems

Bonus if you have: Python, Docker/Kubernetes, DevOps practices, startup experience

Why LearnApp ?

• Ownership-driven culture-your code, your impact
• Work that reaches millions of learners globally
• Fast-paced, curious, collaborative team
• Onsite, vibrant office at Noida Sector 142

About Us

At AutoBit Software Services, we’re building next-gen fintech and data products:

• ONQL – our in-house real-time database
• Fintrabit
• Trading Terminal – low-latency trading infrastructure

Role

We’re looking for a Backend Developer to design and scale high-performance systems across these products. You’ll work on real-time data pipelines, secure APIs, and cloud-native services that power mission-critical applications.

Responsibilities

• Develop and optimize APIs, microservices, and real-time pipelines
• Integrate external data/payment systems with low-latency performance
• Ensure security, scalability, and high availability
• Collaborate with cross-functional teams in Agile workflows
• Contribute to CI/CD pipelines and clean, maintainable code

Requirements

• 2–5 years backend experience
• Strong in Golang, Node.js, or Python/Django
• Solid with SQL (Postgres/MySQL) and NoSQL (MongoDB/Redis)
• Experience with AWS/Azure/GCP, Docker, Kubernetes
• Knowledge of REST, microservices, WebSockets, and security best practices

Nice to Have

• Fintech, payments, or trading systems experience
• Familiarity with databases, distributed systems, or HFT

Why Join

• Work across multiple high-impact fintech products
• Competitive pay, growth opportunities, and innovative culture
• Chance to shape the core tech behind next-gen trading & payments

About the Role:-We are looking for a skilled Backend Developer with experience in Go or Rust to join our team. You'll play a key role in transforming raw on-chain data into actionable insights by decoding smart contract events and implementing pricing logic from decentralized exchanges (DEXs).This role is ideal for someone who enjoys low-level protocol work, understands De Fi mechanics, and can build robust data pipelines that power real-time pricing engines.Responsibilities:-Own the development of event decoders for major De Fi protocols (e.g., Uniswap, Curve, Balancer).Build and maintain data extractors that convert on-chain events into structured trade data.Implement logic to calculate trade prices, including handling swap routing, liquidity pool math, and price inference.Work closely with data and infra teams to build efficient and scalable data ingestion pipelines.Optimize performance and accuracy of pricing models (e.g., TWAP, oracle logic, tick-based price resolution).Write clean, well-tested, and efficient backend code in Go or Rust.Requirements:-2–5+ years of backend development experience in Go or Rust.Strong understanding of Ethereum smart contract ABI decoding and event logs.Experience working with De Fi protocols, especially understanding of AMM math:Constant product formulas: x * y = kUniswap V3 ticksTWAP / oracle logicFamiliarity with EVM-based chains and Ethereum node infrastructure (e.g., Geth, Erigon, RPC APIs).Experience building data extraction or indexing tools (e.g., subgraphs, custom indexers).Ability to work independently and own complex backend systems from design to deployment.Nice to Have:-Experience working directly with blockchain nodes or building custom RPC-based services.Familiarity with price oracles and on-chain data feeds.Exposure to Kubernetes, Docker, and cloud infrastructure (AWS, GCP).Contributions to De Fi or crypto open-source projects.Why Join Us:-Build the core infrastructure that powers real-time pricing and analytics in De Fi.Tackle complex and novel engineering problems in the blockchain data space.Work in a fast-paced, remote-first environment with a highly technical team.Competitive compensation and potential for token/equity upside.

About MindprintMindprint is Particle Executions Product, we're building the AI-first workspace for the next decade.We’re a fast-paced team of 13 tackling one of the most important problems in tech: how small teams actually adopt AI.Instead of another “AI tool,” we’re creating a workspace where AI works like a real teammate — with memory, collaboration, and specialized Experts who grow over time.We're weeks away from development and are looking for an experienced back end developer to bolster our development team.This is an intense, high-growth environment. If you’re passionate about where AI is headed and want to build the infrastructure powering the future of work - this is it.What You’ll DoDesign, build, and scale backend systems that power our AI-first workspace.Develop APIs and services to support real-time collaboration, persistent memory, and AI Experts/Skills.Work closely with frontend, AI, and product teams to ship features at startup speed.Optimize for scalability, performance, and security as we grow from dozens → thousands of users.Contribute to architecture decisions that will shape Mindprint for years to come.Tech Stack We’re Using (and you’ll help evolve)Node.js / Type ScriptPostgre SQL / RedisGraph QL APIsAWS / GCPDocker / KubernetesExperience with LLM integrations, vector DBs, or real-time systems is a big plus.What We’re Looking For3+ years backend development experience.Strong understanding of databases, APIs, and distributed systems.Builder mindset — you’re excited to ship fast, learn from users, and iterate.Passionate about AI, Saa S, and how small teams work.Comfortable in an environment that’s demanding, unstructured, and moving fast.What We OfferCompetitive salary (aligned with top India-based Saa S roles).ESOPs - you’ll own a real piece of what you’re building.Chance to work directly with the founders in shaping both the product and the company.A front-row seat to the AI adoption wave — you’ll help define how the next generation of teams work.Why Join NowMindprint is at an inflection point. We’re still small enough that every line of code you write shapes the product, but we’re also building for a market that’s exploding.If you want responsibility, intensity, and the chance to make AI history with a team that moves fast, this is the role.

Our company: A fast-growing start-up headquartered in San Francisco, CA, USA in the heart of Silicon Valley. We recruit worldwide as our customer base is global. All employees outside San Francisco headquarter work remotely.Elife is a Startup developing innovative technology in the passenger transport industry, providing any type of ground transportation worldwide, including Group/event transportation, NEMT transportation, senior and disability transportation, pet relocation, bilingual driver for non-English speak clients.Our market is the world. Our customers are everywhere. Our platform and apps are built on the cloud. We have endless exciting problems to solve and we only use the best and latest technology.Vision: Reliable ground transportation services globally with all types of vehicles. Mission: Empower high-quality local fleets.Job Title: Senior Backend Python DeveloperResponsibilities:Design, develop, and maintain backend applications for customers worldwide.Collaborate with cross-functional teams, including frontend, backend, testing, and application design, to deliver integrated solutions.Build and optimize Python/My SQL backends hosted on Amazon Web Services (AWS).Enhance, maintain, and troubleshoot existing software applications to ensure performance and reliability.Write clean, highly scalable, and testable code following best practices.Identify, analyze, and resolve programming bugs and performance bottlenecks.Contribute to technical documentation and knowledge sharing across the team.What We’re Looking For:Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).5+ years of experience in backend development, particularly with web and mobile applications.Strong expertise in Python and My SQL, with proven experience building scalable applications.Hands-on experience with AWS cloud services.Solid understanding of software development lifecycle (SDLC), version control, and CI/CD practices.Strong analytical and problem-solving skills with attention to detail.Ability to manage time effectively and deliver in a fast-paced, global environment.A proactive, can-do attitude and the ability to learn quickly.Strong teamwork and communication skills, with a collaborative mindset.Understanding of ML fundamentals, Building APIs/services to serve ML modelsOur Apps Single-page web app running on both PC and mobile devices.Python/My SQL backend hosted on Amazon Web Services.Our customers and markets are worldwide in North America, South America, Asia, Europe, and Africa.