Smart Contract Engineer

Fullstack Blockchain Developer

Remote

We build production software: web products, internal tools, APIs, and on-chain features when needed.

You own features end to end: requirements, React or Next.js UI, Node APIs, wallet and smart contract integration, transaction states, indexing, and on-chain/off-chain sync. SQL or NoSQL, REST or GraphQL. Ship with Product and Design. Keep it reliable and secure.

Bring 2+ years of TypeScript or JavaScript, frontend and backend. React or Next.js. Node (Express or NestJS). ethers, viem, or web3.js. REST, SQL, a major cloud, production deploys, and tests. Clear remote communication. Degree or equivalent. Self-starter.

Nice: Solidity (Hardhat or Foundry), indexing or multi-chain, Docker/CI, internal tools.

We welcome applicants from a wide range of backgrounds. Apply with links to web and blockchain work, your timezone, and when you can start.

Compensation: $80K - $100K / yr (USD)

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

Job Description

This is a remote position.

Experience Level

This role is ideal for engineers with 4-9 years of hands-on software development experience, particularly in ReactJS, Node, and TypeScript.

Role Overview

If you're a Software Craftsperson who takes pride in clean, test-driven code and believes in Extreme Programming principles, we'd love to meet you. At Incubyte, we're a DevOps organization where developers own the entire release cycle, meaning you'll get hands-on experience across programming, cloud infrastructure, client communication, and everything in between. Ready to level up your craft and join a team that's as quality-obsessed as you are? Read on!

What You'll Do

• Write Tests First: Start by writing tests to ensure code quality
• Clean Code: Produce self-explanatory, clean code with predictable results
• Frequent Releases: Make frequent, small releases
• Pair Programming: Work in pairs for better results
• Peer Reviews: Conduct peer code reviews for continuous improvement
• Product Team: Collaborate in a product team to build and rapidly roll out new features and fixes
• Full Stack Ownership: Handle everything from the front end to the back end, including infrastructure and DevOps pipelines
• Never Stop Learning: Commit to continuous learning and improvement

Requirements

• 4+ years of experience in ReactJS, Node, TypeScript, LLMs and PostgreSQL
• Comfortable working with Claude or other AI-powered tools
• Prior experience with Chrome extensions is preferred
• Good to have - Next.js, HTML, CSS, DOM APIs
• Strong problem-solving attitude and a bias for action
• Experience with browser testing frameworks, ex. Puppeteer, Playwright, etc.
• Deep understanding of DOM manipulation, browser APIs and web standards
• Asynchronous programming (Promises, async/await)
• Strong debugging skills (Browser devtools/JavaScript)
• Knowledge of web security concepts and cross-origin restrictions
• Familiarity with Agile and eXtreme Programming methodologies in a continuous deployment environment
• Interest in mastering technologies like web frameworks, TDD, CI tools, and performance optimization
• Working knowledge of source control, writing user stories, and technical documentation

About AbleCredit:

AbleCredit is on a mission to solve the Credit Gap of emerging economies. In India alone, the Credit Gap is over USD 5T (Trillion!). This is the single largest contributor to poverty, poor genie index and lack of opportunities.

Ablecredit is a rare startup because we are probably the only revenue generating GenAI startup in India.

Key Responsibilities:

● Solving highly complex technical challenges and driving large-scale projects; developing robust and scalable web applications using Node.js, MongoDB

● Participate in system design, architecture, and help build scalable, high-performance systems

● Mentor junior engineers (SDEs and SDE-2s), driving technical decisions, and leading entire projects or initiatives

● Conduct code reviews and provide constructive feedback to team members.

● Architect efficient and reusable back-end systems and optimize applications for maximum speed and scalability.

● Implement security and data protection measures.

● Stay updated on emerging technologies and best practices in web development.

Qualifications:

● Bachelor' s degree in Computer Science, Engineering, or a related field.

● Minimum of 5 years of experience in backend web development.

● Proficiency in Node.js and typescript along with their core principles.

● Experience with server-side frameworks such as Express.js.

● Familiarity with database systems such as MongoDB, or PostgreSQL.

● Knowledge of RESTful APIs and asynchronous request handling.

● Excellent problem-solving and troubleshooting skills.

● Ability to work independently and as part of a team in a fast-paced environment.

● Effective communication skills and the ability to collaborate with stakeholders.

● Bonus: can whip up a front end or UI with AI agents or all by yourself.

Job Purpose

The Senior Full Stack Developer leads the design, implementation, and optimization of business‑critical applications across the Epiroc digital ecosystem. The role drives architectural decisions, ensures security and performance compliance, and mentors junior developers to elevate overall delivery capability.

Key Responsibilities

Full‑Stack Development

• Lead the development, testing, and maintenance of scalable full‑stack applications.
• Architect and implement front‑end features using Vite, Webpack, Angular CLI, or React build pipelines.
• Develop robust back‑end services using ASP.NET/C# and REST APIs.

Identity, Security & Compliance

• Integrate authentication and authorization using Azure AD / SSO (OAuth2/OIDC).
• Ensure solutions follow IT Security principles, compliance requirements, and secure coding practices.

Cloud & DevOps

• Promote automation and Infrastructure‑as‑Code practices in Azure.
• Build and maintain CI/CD pipelines to ensure reliable deployments.

Agile Delivery

• Lead Agile ceremonies and ensure excellent sprint execution.
• Drive sprint planning, forecasting, and estimation accuracy.

Architecture & Technical Leadership

• Make informed architectural decisions related to scalability, performance, and maintainability.
• Mentor, coach, and guide Junior Full Stack Developers, supporting their growth and code quality.

Collaboration & Communication

• Work closely with Product Owners, Business Analysts, and cross‑functional partners.
• Communicate technical concepts clearly to both technical and non‑technical stakeholders.

3. Required Qualifications

Experience

• 5–7 years of hands‑on experience in full‑stack development roles.

Technical Skills

• Front‑End: Vite, Webpack, Angular CLI, React build pipelines.
• Back‑End: ASP.NET/C#, REST APIs.
• Identity: Azure AD / SSO.
• DevOps: Azure Infrastructure‑as‑Code, CI/CD.

Agile Expertise

• Strong understanding of Jira Sprints, sprint planning, and forecasting.

Architecture & Security

• Demonstrated experience in system design and architectural decision‑making.
• Solid understanding of IT Security principles and compliance.

Soft Skills

• Excellent time management and ability to work independently.
• Adaptability to change and strong communication abilities.

Leadership

• Proven ability to mentor junior developers and contribute to team development.

6. Education

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or comparable experience.

Full Stack Developer — Node.js & React

Experience: 4-5 years

Employment Type: Permanent, Full-time

Desired Skill: Node, React, AWS, Typescript, GraphQL APIs

Work Mode: Remote

Availability: Immediate Joiners

We are looking for a Full Stack Developer to implement functional features and resolve production support and on-call tickets. You will build GraphQL APIs, UI screens, and integrations based on defined requirements and designs.

Responsibilities

• Develop and maintain features using Node.js, TypeScript, React, and Next.js.
• Build GraphQL APIs, database integrations, and backend workflows.
• Investigate support issues, identify root causes, and deliver reliable fixes.
• Write automated tests and collaborate with product, design, and engineering teams.

Required skills

• Strong experience with Node.js, Express, TypeScript, React, GraphQL, and PostgreSQL.
• Strong analytical, troubleshooting, and debugging skills across frontend and backend systems.
• Familiarity with automated testing and AWS environments.

Our stack

React SPA (Vite), Next.js, MUI, React Router, urql, tRPC; PostGraphile, slonik, graphile-worker, Temporal; PostgreSQL and DynamoDB; Storybook, Vitest, Cypress; AWS and Terraform.

Apply and complete the screening questions on Just Interview:

https://app.justinterview.ai/apply/10004916?src=cutshort

Company: Lucid Growth Media

Website: https://lucidgrowthmedia.com/

Department: Engineering

Employment type: Full-time

Work mode: On-site

Job location: Shyamnagar, Jaipur, Rajasthan

Minimum experience: 3 years of professional experience

Maximum experience: 5 years of professional experience

Prior on-site development-team experience: At least 2 years

Monthly take-home salary: ₹40,000–₹60,000 — up to ₹60,000, based on demonstrated capability and relevant experience. The offer will include a salary breakdown.

Working schedule: Monday to Saturday; second and fourth Saturdays off. Sundays off.

Shift timing: 9:00 AM–6:00 PM (9-hour shift)

Application deadline: 30 September 2026

Skills: TypeScript, JavaScript, Node.js, React, Python/FastAPI maintenance, MCP, AI tool calling, REST APIs, low-code workflow integration, webhooks, SQL and Git.

Job description

Build useful integrations across application APIs, AI tools, workflow systems and user interfaces. You will combine TypeScript/Node.js and React development with MCP, tool-using agents and low-code workflows that include custom code.

You will work with a backend lead, an Android automation engineer and a browser automation engineer. The role includes improving existing interfaces, connecting reliable data to dashboards, and turning routine operational tasks into maintainable, observable workflows. Company-provided AI coding tools support development.

Responsibilities

- Build and improve TypeScript APIs, React interfaces and integrations with existing services.

- Maintain existing Python/FastAPI APIs and background jobs, with support from the backend lead on architecture and database changes.

- Implement MCP tools and agent workflows with defined inputs, permissions, failure handling and useful evaluation cases.

- Connect low-code workflows to APIs using webhooks, authentication and custom JavaScript or Python.

- Make workflows reliable through idempotency, retries, execution logs and clear recovery behaviour.

- Build curated analytics feeds and dashboards, checking that displayed results agree with source data.

- Improve selected slow or broken frontend journeys using profiling, tests and user-facing acceptance criteria.

- Document plans before implementation and attach verification evidence to completed tasks.

Required skills and experience

- Production TypeScript/JavaScript, Node.js, React and API integration experience.

- Working Python/FastAPI skills sufficient to diagnose, change and test existing APIs and asynchronous jobs.

- Hands-on experience shipping tool-calling AI features or MCP integrations, with the ability to explain authorisation and failure cases.

- Experience with at least one low-code workflow platform and writing the custom code needed around it.

- SQL/database fundamentals, authentication, webhooks and asynchronous processing.

- Practical testing, Git review, debugging and safe handling of credentials and sensitive data.

- Clear written English for specifications, prompts, task updates and review responses.

- Evidence of maintaining an integration after release and correcting problems based on feedback.

Experience with BI dashboards, incremental data feeds and agent evaluation is useful. You should be able to explain how a result was checked and when the system should report uncertainty or request human input.

How we work and hire

Work follows documented tasks, approval, implementation, review and verification. We value early escalation of blockers and honest reporting of results.

Selection includes a short AI-assisted initial interview, an approximately 60–90-minute practical using synthetic material, and an on-site technical discussion. Final hiring decisions include human review.

Key Responsibilities: 

Design, develop, and maintain full stack applications using Azure, React, Node.js, C#, and .NET. Build and manage CI/CD pipelines to streamline deployment and automate testing processes. 

Develop infrastructure as code (IaC) with Terraform to manage and provision resources in the Azure environment. Ensure application scalability, security, and performance across all layers of the stack. 

Work closely with cross-functional teams to translate business requirements into technical specifications. 

Troubleshoot, debug, and enhance existing applications to optimize performance. 

Implement best practices for cloud security, data protection, and compliance within Azure services. 

Conduct code reviews and provide technical mentorship to junior developers as needed.

Required Skills & Qualifications: 

Experience: 5+ years of full stack development experience, with a strong focus on Azure cloud. 

Frontend: Proficient with React.js, building and optimizing web interfaces. 

Backend: Solid knowledge of Node.js, C#, and .NET for building robust backend applications. 

Cloud Infrastructure: Experience with Azure services, deployment, and scaling applications on Azure. 

Infrastructure as Code (IaC): Hands-on experience with Terraform for Azure resource management. 

CI/CD: Proficient in setting up and maintaining CI/CD pipelines using Azure DevOps or similar tools. 

Database: Familiarity with Azure SQL, Cosmos DB, or other databases for full stack applications. 

Best Practices: Strong understanding of software development best practices, including security, testing, and DevOps. 

Preferred Qualifications: Azure certifications (e.g., Microsoft Certified: Azure Developer Associate or Azure Solutions Architect). 

Experience with other front-end frameworks, containerization (Docker, Kubernetes), or serverless architecture. Familiarity with Agile methodologies and tools like Jira or Confluence.

Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World's Best Employers 2025) is consistently listed among the most admired companies in the world. 

This role is part of Cognizant IOA (Intuitive Operations and Automation) — and more specifically, a product team with its own origin story. We started as Matterway, a German startup building automation software from scratch. We were acquired by Cognizant, but we kept our team, our culture, our pace, and our way of working. We move like a startup, think like a startup, and now do it with the backing of a global company. 

We combine human expertise with intelligent automation, ML operations, and digital experience solutions to help technology and digital-native companies build smarter, more adaptive operating models. 

What's the opportunity? 

We are looking for Senior Product Engineers to join our team. We're a tight crew of 5 senior engineers, from different corners of the world. We're hiring 3 more people, and those people will shape what this team becomes. 

We're building a platform to support the agentification of our operations. You'll work across a suite of products including a cloud platform for process optimization, desktop application, browser extension, and specialized AI agents. 

This is genuinely frontier work: we don't follow AI trends, we implement them. New model drops on a Monday; we've prototyped with it by Wednesday. 

We believe this is the most exciting time to join. Be part of the founding R&D talent in this area and help set the technical bar for everything that comes next. 

What will you be doing? 

Your day-to-day responsibilities: 

• Design and evolve the core architecture of our platform 
• Set technical standards and take ownership of complex projects end-to-end 
• Work on a well-architected, fast-evolving TypeScript codebase using technologies such as React, Node.js, Electron, and GraphQL 
• Collaborate with product managers, designers, and engineers to solve challenging technical and business problems, with real autonomy 
• Participate in the full development lifecycle: scoping, design, estimation, coding, testing, debugging, code reviews, maintenance, and support 
• Evaluate and implement proofs of concept using the latest AI tools and models 

You will know you're successful if: 

• You develop projects independently until they deliver their intended business value 
• You keep top-notch software quality standards about design, implementation, and documentation 
• You're the person who brings something new to the team's radar, a model, a technique, a tool, before anyone else has heard of it 

What makes you a great fit 

Must-haves: 

• Excellent English (C1+) with exceptional written and verbal communication 
• Strong proficiency with TypeScript across frontend and backend, including building and maintaining Node.js-based services 
• Experience in frontend development using modern frameworks such as Vue.js or React 
• Knowledge of any E2E testing framework such as Playwright, Puppeteer, Selenium, Cypress 
• Ability to work independently and take ownership of deliverables 
• Strong technical fundamentals, genuine intellectual curiosity, and a drive to keep getting better 
• You follow AI closely, not just as a user but as someone who reads the papers, watches the releases, and has opinions. You're excited about where this is going and want to be building at the edge of it 

Nice-to-haves: 

• Familiarity with AI-coding tooling (Claude Code, Cursor, OpenCode, etc.) 
• Experience with cloud infrastructure (AWS, Azure or GCP) and infra-as-code deployment 
• Having built or maintained CI/CD pipelines or workflows, especially GitHub actions 

Why join us? 

• Be at the cutting edge of AI agents and applying LLMs to real-world use cases, not in theory but in production 
• Work on hard problems with high agency: your ideas get heard; your decisions get shipped 
• Join a small but growing internationally distributed team. 
• giving you real influence over how it evolves 
• The resources of a global company with the speed and culture of a startup 
• Remote-first set-up, with the option to work from one of our 13 locations in India: Chennai, Bangalore, Hyderabad, Pune, Mumbai, Gurgaon, Noida, Kolkata, Kochi, Coimbatore, Bhubaneswar, Mangalore, and Indore 
• Flexible working hours 
• Collaborative, pragmatic engineering culture focused on outcomes 
• Fast-growing team within Cognizant, with access to global resources and real career opportunities 

Senior Software Engineer – .NET Full Stack Developer

Job Location: Pune (Hybrid)

Job Description

We’re seeking an experienced Senior Software Engineer with a strong command of .NET and Angular 18 and modern frontend technologies. The ideal candidate will excel in both technical execution and collaborative leadership, demonstrating excellent communication skills and an Agile mindset. You’ll play a critical role in designing, developing, and optimizing our web applications while mentoring junior developers and participating in technical discussions and contributing to design decisions.

Roles & Responsibilities

1. Design and implement reusable components and responsive UI using Angular Material UI 14.2.5 and FAST.
2. Design, develop, and maintain backend services and APIs using .NET 10.0 and .NET Core Microservices.
3. Write clean, efficient, and maintainable code in C# 14 following best practices.
4. Develop event-driven systems with Azure Service Bus for message brokering and Azure Data Factory for ETL processes.
5. Implement logging, error handling, and monitoring using Serilog, NLog, and SonarCloud for static code analysis.
6. Write unit and end-to-end tests with Jest to ensure reliable, high-quality software.
7. Manage dependencies with NuGet and collaborate through CI/CD pipelines.
8. Participate in Agile ceremonies — sprint planning, retrospectives, and daily stand-ups, while collaborating with frontend, DevOps, and product teams.
9. Communicate technical ideas and solutions clearly to both technical and non-technical stakeholders.
10. Ensure code quality with ESLint, Prettier, and SCSS for clean, maintainable styling.
11. Work with CI/CD pipelines and support build/deployment troubleshooting; optimize performance using NPM, Gulp, and Webpack.
12. Collaborate in an Agile environment, participating in sprint ceremonies, backlog grooming, and retrospectives.
13. Support junior developers through code reviews and knowledge sharing, promoting best practices and technical excellence.
14. Collaborate with team leads, product owners, and QA to understand requirements and deliver assigned features.
15. Suggest and implement innovative solutions for better performance and maintainability.

Position-Specific Skills

1. 4+ years of experience in frontend and backend development, with a strong portfolio showcasing Angular 18 projects and a strong focus on .NET Core Microservices.
2. Proficiency in TypeScript, SCSS, Angular Material, and frontend design patterns.
3. Proficiency in C# 14 and experience building RESTful APIs and GraphQL services.
4. Strong understanding of unit testing and E2E testing frameworks: Jest, Cypress.
5. Expertise in Azure services — Functions, Web Apps, Redis Cache, Service Bus, Cosmos DB, Azure SQL Database.
6. Knowledge of containers and container orchestration tools (e.g., Docker, Kubernetes) is a plus.
7. Proven leadership experience — mentoring developers and contributing to technical decisions.
8. Excellent communication skills — ability to explain complex ideas to both technical and non-technical audiences.
9. Agile mindset — comfortable working in sprints, adapting to changes, and collaborating cross-functionally.
10. Excellent communication skills — able to explain complex backend concepts to technical and non-technical audiences.
11. Strong problem-solving mindset with a passion for building high-performance, resilient systems.
12. Good to have e-learning domain knowledge.