Jobs

Responsibilities:

1. Develop and maintain scalable backend systems using Node.js and Express.

2. Build dynamic, responsive user interfaces with React and Redux.

3. Design and optimize database schemas using MongoDB and implement caching with Redis.

4. Collaborate with designers, product managers, and other developers to deliver high-quality features.

5. Write clean, maintainable, and efficient code following best practices.

6. Debug and resolve technical issues in a timely manner.

7. Participate in code reviews and contribute to improving development processes.

Requirements:

1. 3+ years of experience as a Fullstack Developer.

2. Proficiency in Node.js, Express, React, and Redux.

3. Strong knowledge of MongoDB and Redis.

4. Experience with RESTful API design and development.

5. Familiarity with version control systems (e.g., Git).

6. Understanding of Agile/Scrum methodologies.

7. Strong problem-solving skills and attention to detail.

8. Excellent communication and teamwork abilities.

Nice-to-Have Skills:

1. Experience with Docker or other containerization tools.

2. Familiarity with CI/CD pipelines.

WE ARE: StartupSoft connects top Ukrainian engineers with world-class startups from Silicon Valley and EU. Our developers work directly on the product as an integral part of the startup team.

PROJECT: A subscription and recurring billing orchestration platform built for growth: it simplifies complex billing models (e.g. usage-based, tiered, hybrid), automates invoicing and revenue recovery, ensures global tax and multi-currency compliance, and delivers analytics that drive smarter retention and revenue expansion.

It is a short-term offer for 3-6 month.

STACK: Ruby on Rails, Vue.js, JavaScript.

PROJECT STAGE: Live (2009) product.

REQUIREMENTS:

• 3+ years of professional software engineering experience in full-stack development or back-end development;
• Ruby on Rails expertise, including background jobs, ActiveRecord, and API development;
• Basic proficiency in JavaScript, HTML, CSS;
• Database knowledge, particularly with MySQL or similar relational databases;
• Experience working with agile development methodologies;
• Excellent communication skills, with the ability to collaborate across disciplines and explain complex ideas clearly.

NICE TO HAVE:

• Frontend proficiency with Vue.js or similar frameworks (e.g., React or Angular), including SPA architecture and component design;
• RESTful API design experience, including versioning, authentication, and integrations with third-party services;
• Understanding of marketing or customer engagement platforms, such as campaign management, personalization engines, or A/B testing systems;
• Experience with AWS, including deploying and scaling cloud-based applications;
• Use of Redis for caching, background jobs, or session management;
• Familiarity with Docker for local development or production deployment;
• Experience with CI/CD pipelines and deployment workflows;
• Past work on B2B SaaS products or high-volume transaction systems.
   

RESPONSIBILITIES:

• Full-Stack Development: Build and maintain robust, secure, and scalable applications across our Ruby on Rails and Vue.js stack.
• Technical Execution: Own features end-to-end, from designing APIs and data models to implementing rich front-end experiences.
• Collaboration: Partner closely with Product, Design, and Customer Success teams to deliver user-centric solutions that drive business outcomes.
• Code Quality: Participate in code reviews, write automated tests, and champion engineering best practices.
• Agile Delivery: Work in an agile, iterative environment to ship features frequently and respond quickly to changes in requirements or market needs.
  
  INTERVIEW STAGES:
• HR/English screen [StartupSoft]
• Tech screen [StartupSoft]
• Interview with Director of Engineering with live coding back end part
• Interview with live coding part on front end
• Interview with VP of Engineering (culture fit)

We are seeking a Senior Full Stack Developer to join our development team. Our products require innovative and open-minded engineers working in an Agile environment. You will be part of a world-class team of engineers that focuses on new functionality and stabilization for our large-scale system. As a part of your team, you will have the opportunity to learn from others and drive your own initiatives.

What will you do?

• Participation in designing and developing new features and projects, occasionally leading to the realization of  new development opportunities;
• Presenting demos as part of your team to stakeholders;
• Investigating, diagnosing, and resolving product issues, striving for constant product improvement.

You are a perfect match if you have:

• 4+ years of commercial experience as Full Stack Developer;
• 3+ years of experience with GoLang;
• 2+ years of experience with React.js
• Strong knowledge of TypeScript;
• Experience with SQL and NoSQL databases;
• Ability to work independently and in a team environment.

Why do talents choose and stay at MMDSmart?

Embrace the opportunity to work in a company that cares about:

• Your Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card.
• Your Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts.
• Your Development: Benefit from free educational events & courses, and English classes with native speakers.
• Your Career: Focus on your professional development in a supportive environment.
• Work-Life Balance: Choose your working format – remote, office-based, or hybrid and engage in team-building activities.

Think this role’s got your name on it? Go ahead and apply, we’d love to see what you’ve got!

*Medical Insurance and Sport Card perks are available for employees located in Bulgaria.

Equal-Opportunity Employment

We are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

N-iX is looking for an experienced Senior Full Stack Java Engineer to join our development team.

Our customer–integrated Shipping Services has set itself apart as an independent carrier with a fresh, unique approach. His strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services; and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market.

Responsibilities:

• Hands-on full-stack development of innovative applications

• Owning the entire development cycle, including design, architecture, development, and DevOps

   

Requirements:

• 6+ years of experience in the following technologies: Java (must have), Spring.
• 2+ years of experience with Python.
• 2+ years of experience in FE, mainly React (must have), and other modern JavaScript frameworks/libraries.
• Experience with LLMs/AI/Prompt Engineering/MCP.
• Experience with Functional Programming and Java Streams.
• Experience with developing a reactive UI (Reactive JS).
• 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
• 2-3+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
• Experience in designing, developing, and deploying cloud/hybrid-based solutions.
• Familiarity with the following design concepts: micro-services, service discovery, circuit breaker.
• Self-starter with the ability to appropriately prioritize and plan complex work in a rapidly changing environment.
• Versatility and the capability to switch easily between different tasks and technologies. 
• Experience in assessing a broad range of information solutions and products.
• Strong critical thinker with problem-solving aptitude.
• Advanced or higher Ukrainian language 
• At least Upper intermediate English - verbal and written

Why join us

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :)

About the role
We are looking for a Senior Full Stack Engineer to join a fast-growing health and wellness platform with millions of users worldwide. You’ll work in a cross-functional, agile team, building and improving features for both web and mobile applications. This role offers the opportunity to enhance performance, deliver seamless user experiences, and make a real impact on a product that helps people reach their wellness goals.

What you will do

• Work independently and provide guidance to other team members;
• Ensure smooth operation and performance of both web and mobile applications;
• Identify, troubleshoot, and resolve bugs efficiently;

• Design, develop, and implement new features across web and mobile platforms.

   

Must haves

• 5+ years of experience building scalable systems;
• Solid experience with ReactJS, NodeJS for web, and React Native for mobile development;
• Proven ability to deliver solutions with high throughput and low latency requirements;
• Demonstrated experience designing and implementing complex business solutions;
• Ability to develop features independently without design guidance, taking ownership from concept to implementation;

• Upper-Intermediate English level.

   

Nice to haves

• Experience in Startups;
• Experience with Firebase Functions.

Perks and benefits

• Professional growth

Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps

• Competitive compensation

We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities

• A selection of exciting projects

Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands

• Flextime

Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.

Important: after confirming your application on this platform, you’ll receive an email with the next step: completing your application on our internal site, LaunchPod. So keep an eye on your inbox and don’t miss this step — without it, the process can’t move forward.

 Full Stack Developer (Node.js/TypeScript) 

Description: 

Senior Backend/Full Stack Developer 

Full-time

Long-term

Experience Level: Senior/ strong middle-level

English – high level of both speaking and writing.

Interview process:

• An interview with hiring manager

• Home assignment and after Interview + results of the home assignment

• Interview with one of the founders.

Role:

Senior Backend Developer with a proven track record of building scalable backend systems and APIs. You will play a key role in designing, developing, and maintaining our core backend services, with a focus on performance, reliability, and scalability.

Responsibilities:

● Design, develop, and maintain backend services using TypeScript, Node.js, and Python

● Architect and optimize RESTful APIs and integrate with external/internal systems

● Work with PostgreSQL, MongoDB, GraphQL to manage and optimize data models and queries

● Integrate with AI tools, generate prompts, test & evaluate prompts results (a huge adv; at least one of them)

● Implement scalable WebSocket-based communication and message queues (e.g., RabbitMQ, Redis, or similar)

● Collaborate closely with product, frontend, and data teams to deliver high-quality solutions

● Ensure smooth CI/CD pipelines and contribute to infrastructure-as-code and deployment strategies

● Drive performance tuning, security hardening, and system monitoring for backend services

● Troubleshoot complex issues and lead root cause analysis and resolution

● Write clean, maintainable, and well-tested code with a strong emphasis on quality and performance

● React js experience - big advantage

Required Qualifications

● 4+ years of backend development experience, with at least 3 years in TypeScript/Node.js

● Solid experience with Python for scripting or service-level backend components

● Strong understanding of PostgreSQL, MongoDB and GraphQL - query optimization, indexing, data modeling

● Proficiency with REST API design and best practices

● Deep knowledge of WebSocket protocols and real-time data handling

● Experience with messaging systems/queues such as RabbitMQ, Kafka, or Redis streams

● Familiarity with CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins)

● Cloud deployment experience (AWS, GCP, or Azure) with emphasis on scalability and availability

● Excellent problem-solving skills, debugging experience, and systems thinking

● Strong communication skills and ability to mentor junior engineers

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.
 

This is your opportunity to:
● Be part of a fast-growing software product company in advanced manufacturing.
● Learn and fulfil your potential in an open, knowledge-driven culture.
● Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.
 

Responsibilities:
● Development of new features and new parts of the app.
● Work in a cross-functional Scrum team alongside Frontend and QA Engineers.
● Maintaining, improving and extending existing functionality.
● Сonstantly improving code organization and evolving application design.
 

You will be joining a well-versed team if you have:
● Bachelor’s Degree or Master’s Degree in Computer Science.
● Minimum of two years of experience in Node.JS development.
● Minimum of one year of experience in React.JS development.
● Experience with Sequelize, PostgreSQL, database design, microservices.
● Test automation coverage.
● Understanding of CI/CD.
● Git branching strategies.
● Scrum Agile principles and processes.
● English level - Intermediate and higher.

Location: Remote Employment Type: Part-Time (with the potential to become Full-Time)

Appko is working with a groundbreaking AI startup company.   We are seeking a Senior Full-Stack Software Engineer with 7-10 years of experience to join our team. We are looking for an individual who will take true product ownership, acting as a partner in building our AI products from concept to launch. This is a part-time position with the potential to transition into a full-time role as the client secures its next round of funding. You will play a pivotal role in building our AI products for their customers.   You will develop a platform that bridges cutting-edge frontend experiences with a sophisticated, AI-powered backend. This is a unique opportunity to directly impact the direction and success of Appko and its clients.

Key Responsibilities

• Take ownership of product features, driving them from initial ideation and design through to final deployment and maintenance.
• Develop and maintain our full-stack application using our core technologies: Next.js, React, and Python's FastAPI.
• Design and implement scalable, type-safe APIs and backend services to power both internal and external features.
• Create and optimize high-quality, responsive user interfaces using Tailwind CSS and modern React practices.
• Develop new AI products and features for our customers, taking concepts from design to deployment.
• Integrate and manage AI/ML models with strong experience using Vibe/Anthropic.
• Handle complex image processing tasks on the backend, from file uploads to computer vision.
• Collaborate with the team to define technical architecture, system design, and API contracts.
• Implement and maintain robust authentication and security features using Firebase and JWT.
• Contribute to DevOps practices, including Docker containerization and CI/CD pipelines.

Required Technical Skills

Frontend Expertise

• Advanced proficiency in TypeScript, React, and Next.js 15+.
• Hands-on experience with modern component libraries like Radix UI and shadcn/ui.
• Expertise in utility-first CSS with Tailwind CSS.
• Strong understanding of React state management patterns (hooks, with knowledge of Zustand/React Query a plus).
• Experience with client/server components and the Next.js app directory structure.

Backend Proficiency

• Deep experience with Python 3.9+ and async programming.
• Proven track record with the FastAPI framework and Pydantic for API development.
• Experience designing and optimizing MongoDB schemas for performance.
• Knowledge of asynchronous drivers like motor and aiohttp.
• Familiarity with image processing libraries like Pillow and understanding of various image formats.

Full-Stack and Specialized Skills

• Experience with Docker for containerization and application deployment.
• Solid understanding of RESTful API design, authentication flows (JWT, Firebase Admin SDK), and security best practices.
• Practical experience integrating with and leveraging Vibe/Anthropic AI APIs.
• Knowledge of real-time communication patterns using WebSockets and Socket.io.
• Ability to debug and troubleshoot across the entire stack.

Ideal Candidate Profile

• You are a proactive self-starter who thinks like a founder and takes end-to-end responsibility for the quality and success of your work.
• You are passionate about the potential of AI and excited to build products that solve real-world problems.   You will be expected to utilize and develop with AI tools in order to expedite the delivery of the products/tools you will build.
• You're a versatile problem-solver who thrives on technical challenges from the UI to the database.
• You have a strong understanding of both frontend and backend performance optimization techniques.
• You're passionate about writing clean, maintainable, and well-tested code.
• You're an autonomous learner who stays current with emerging technologies and best practices.

⚡️Full-Stack Developer (Python + React)

We are looking for a skilled Full-Stack Developer to join our team and work on exciting projects with modern technologies. This role involves building scalable, high-quality applications from both the backend and frontend sides.

Requirements:

• 3+ years of commercial experience with Python
• 2+ years of hands-on experience with React
• Strong knowledge of API development, databases, and server-side technologies

• Upper-Intermediate (B2) or higher level of English for effective communication

   

Nice to Have:

• Experience with AI solutions, Docker, and AWS (or other cloud services)

• Understanding of DevOps principles and CI/CD pipelines

   

Responsibilities:

• Develop and maintain backend services using Python (API design, database integration, performance optimization)
• Build user-friendly, responsive interfaces with React
• Collaborate closely with developers, QA engineers, and product managers to deliver high-quality features
• Write clean, maintainable, and well-tested code

• Continuously improve existing functionality and suggest technical enhancements

   

We Offer:

• Flexible work schedule with a healthy work-life balance
• Competitive salary and opportunities for growth
• Friendly, supportive team and a modern tech stack

• Professional development opportunities and challenging projects

   

Recruitment Process:

1. Introductory Interview with the recruiter
2. Test Task to evaluate your skills
3. Technical Interview with the development team
4. Final Interview with the CEO

5. Offer

    

If you are ready to contribute to impactful projects and grow with us — send us your CV today! 🚀

⚡️Full-Stack Developer (Node.js + React)

We are looking for an experienced FullStack Node.js + React Developer to join our long-term project. This is a great opportunity to work with a stable team and make a direct impact on product development using modern technologies.

Requirements:

• 3+ years of experience as a Full-Stack Developer
• Strong expertise in Node.js for backend development
• Proficiency in React for frontend development
• Experience with databases: SQL, PostgreSQL, BigQuery
• Strong understanding of GraphQL and API development
• Experience working with Google Cloud Platform (GCP)
• Advanced English level for communication

Responsibilities:

• Develop and maintain backend services using Node.js
• Build and optimize frontend applications with React
• Design and implement efficient database solutions
• Work with GraphQL APIs and integrate with cloud-based services
• Collaborate with cross-functional teams to deliver high-quality solutions
• Ensure best practices in coding, testing, and deployment

What We Offer:

• Fully remote work and flexible schedule
• Stable international projects with long-term collaboration
• 21 paid vacation days + 5 paid sick days
• Corporate English classes
• Friendly and supportive team
• Professional growth and real impact on product development

📩 Sounds like a match? Send us your CV — we’re excited to meet you!

Our Customer:

Our client has developed a fully-present, richly-communicative virtual care coordinator powered by AI. This care navigator can make thousands of highly personalized phone calls every day, transforming remote care management and helping to overcome the critical shortage of skilled nursing staff.

Required experience and skills:

• At least 6 years of professional experience in Full-stack development;
• 4+ years of professional experience in backend development (Python);
• 4+ years of professional experience in frontend development;
• 2+ years with React.js;
• Experience building AI-powered applications (e.g., integration of ML models, NLP, conversational AI, or predictive analytics);
• Experience in applications utilizing relational databases as part of the overall application architecture (MySQL or Postgres);
• Experience designing and defining architecture, including writing design reviews and test plans as part of launching software products;
• Bachelor’s degree in Computer Science or equivalent;
• Strong technical problem-solving skills;
• English – Upper-Intermediate.
•  

Would be a plus:

• Experience in CI/CD processes;
• Experience with Cloud (AWS preferred);
• Experience with Redis or similar In-memory key-value databases;
• Web development experience – API, Flask, FastAPI, AsyncIO;
• Experience with Microservices, Docker, Kubernetes;
• Experience applying AI/ML in healthcare, voice technologies, or automation scenarios.

Working conditions:
- Remote work;
- 5-day working week, 8-hour working day, flexible schedule;
- All public holidays are days off;
- Vacation and sick leave are covered by the company.

Job Type: Full-time, Long-term, Remote

English level: B2+

About the Role

We are looking for an experienced Laravel Full Stack Developer to join our growing Engineering team and help build out the next generation of our platform.

The ideal candidate is a hands-on builder with strong expertise in Laravel (backend) and Vue3 (frontend), experienced in designing APIs and scalable solutions.

You should be comfortable working in an Agile environment, collaborating across functions, and writing clean, maintainable, and well-tested code.

Responsibilities

• Design, develop, and maintain services and APIs (Laravel).
• Build and optimize front-end solutions with Vue3 + TypeScript.
• Improve system quality by identifying issues and implementing best practices.
• Refactor existing functionality to enhance performance and maintainability.
• Provide ongoing support, enhancements, and bug fixes.
• Collaborate cross-functionally with engineers, QA, product owners, and business users.
• Participate in code reviews, sprint planning, and retrospectives.
• Mentor and support other developers.

Essential Skills

• 5+ years professional experience with Laravel (v8+ preferred).
• 2+ years experience with Vue.js (v3 preferred) and TypeScript.
• Strong knowledge of MySQL and relational database design.
• Experience with REST/SOAP APIs and service-oriented architecture.
• Agile/Scrum workflow experience.
• Experience with Docker, AWS, Linux, NGINX.
• Proficiency with Git version control.
• Excellent communication skills (written & spoken English, B2+).
• Strong problem-solving skills and ability to manage workload independently.

Desirable Skills

• Experience with Laravel Nova.
• Familiarity with automated testing frameworks (e.g., PHPUnit, CucumberJS, Selenium).
• Redis, RabbitMQ, queue-driven services.

How We Work

• Remote-first development team (HQ in Harrogate).
• Agile workflow with 2-week sprints via Jira.
• Daily stand-ups, sprint planning, and retrospectives.
• Slack for daily communication.
• Regular 3 Amigos meetings (Dev + QA + Product).
• Code reviews and weekly show & tell meetings with non-technical stakeholders.

Our Tech Stack

• Backend: PHP 8, Laravel 8, Redis, RabbitMQ
• Frontend: Vue3 (some Vue2 legacy), TypeScript, jQuery (legacy)
• Testing: Selenium, CucumberJS
• Infra: Docker, NGINX, Cloudflare, Laravel Forge, GitHub Actions
• Database: MySQL 8
• Architecture: SOA, multiple APIs, queue-driven services
• Environments: local Docker dev, multiple staging/QA envs

A Typical Day

• Daily stand-up with dev team + directors.
• Designing and coding API endpoints.
• Reviewing bugs & monitoring QA channels.
• Refactoring and improving existing code.
• Working with QA to test features.
• Planning next sprint deliverables with Product & QA.
• Supporting teammates via code reviews or pair programming.

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for Full stack developer!

Requirements:

• Solid experience with TypeScript across both frontend and backend projects.
• Proficiency with NestJS (preferred) or Node.js/Express.
• Strong knowledge of React for frontend development.
• Hands-on experience with relational databases; PostgreSQL preferred.
• Strong-Intermediate English level.

Nice to have:

• Experience with PowerBi, visualisation tools

Responsibilities:

• Build and maintain an internal dashboard to provide clients with real-time visibility into our processes, reducing reliance on email, Slack, or calls.

What the company offers:

• Constant and interesting work with foreign clients;
• Flexible working hours;
• Annual paid 30 days vacation and paid sick day;
• 50% cost compensation of sports, English lessons.

Hello everyone 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We’re looking for a success-driven Full-Stack (Node.js + React) Developer for one of our clients.

Full-time, long-term position with the flexibility to work either from the office or remotely.

Requirements:

— At least 3.5 years of commercial working experience;
— Node.js
— NestJS (would be an advantage)
— React.js, Next.js, Styled Components, React-hook-form, React-table, React-router;

— Zod (TypeScript validation library);
— JavaScript/TypeScript
— GraphQL, MySQL, AWS;
— Experience in API development;
— Experience in AI development would be a huge plus.
— English: Upper-Intermediate or above.

What we offer:

— Competitive salary;

— Paid vacation and sick leaves;

— Paid day off (Ukrainian holidays);

— Ability to work from our cozy office;

— 8 hours working day, 5 days a week;

— Career growth potential;

— Free snacks, fruits, and drinks;

— Friendly team and corporate events.

Please send your CV here or via email

Should the first stage be successfully completed, you’ll be invited to a personal interview.

Full-Stack Engineer (NestJS + React) engineer needed for US-based AI startup. We are building a platform that combines AI, personalization, and gamification to help users understand their goals and unlock real-world rewards. 
 

Tech Stack & Requirements

• Backend: NestJS, PostgreSQL
• Frontend: React (must be strong in frontend as well as backend)
• AI/ML: Experience integrating LLM wrappers and ML models
• Cloud: Strong knowledge of AWS architecture

Must-haves

• Proven full-stack experience (backend + frontend)
• Strong ability to review and build high-quality frontend code
• Solid understanding of scalable software architecture
• Curious, proactive, and ambitious mindset
• Strong communication and responsiveness in a remote setting
• Availability until 1 PM Pacific Time

Nice-to-have

• Experience with mobile app development (React Native or native)
• Prior experience in early-stage startups
• Familiarity with habit-building, gamification, or rewards-based platforms

What we offer

• A chance to shape the future of growth and rewards
• Direct collaboration with founders and core engineering team
• An exciting AI-driven product with real social impact
• Long-term opportunity to grow with the company

 Screening Questions for Djinni Candidates

1.  
2. Do you have hands-on experience with PostgreSQL? (e.g., optimization, scaling, migrations)
3. Which AWS services have you worked with in production?
4. Do you have experience building or contributing to mobile apps?
5. How comfortable are you with reviewing and improving frontend code?
6. How do you ensure code quality in a fast-paced startup environment?