Jobs Backend

986
  • Β· 203 views Β· 57 applications Β· 22d

    Senior Back End Developer (Node.js)

    Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· English - None
    Requirements: 5+ or more years experience in Node.js; Experience with Node.js, JavaScript ES6 and related tools (npm, yarn, webpack, etc); Experience with back end data / API integration using JSON and RESTful web services; Experience working with...

    Requirements:

    5+ or more years experience in Node.js;

    Experience with Node.js, JavaScript ES6 and related tools (npm, yarn, webpack, etc);

    Experience with back end data / API integration using JSON and RESTful web services;

    Experience working with WebSockets;

    Experience in PostgreSQL/ MySQL;

    Development architecture BD;

    An open-minded person, a proactive team player, delivering in time.

     

    Will be a plus:

    Understanding of the working principles with Docker/Docker compose;

     

    Responsibilities:

    Work on the back-end development for the digital solutions;

    Develop backend for a new web platform from scratch;

    Implement new services/features as a backend developer;

    Contribute to all phases of software development lifecycle;

    Follow industry best practices;

    Be a part of backend development team that is responsible for all aspects of ongoing software.

     

    We offer:

    Flexible schedule and possibility to work entirely remotely;

    Opportunities for professional development and personal growth;

    Corporate events, holiday celebrations, team building activities;

    Paid annual and sick leave;

    Close work with top management and ability to be a decision-maker;

    The ability to attend conferences, webinars, and other events that will enhance your professional skills;

    People-oriented management without bureaucracy.

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  • Β· 60 views Β· 20 applications Β· 22d

    Middle Drupal Developer

    Full Remote Β· Worldwide Β· 3 years of experience Β· English - B2
    Hi there! We are Anyforsoft, an outsourcing IT company that has been helping clients from Europe and US build scalable systems in domains such as EdTech, eCommerce, media and more for over 10 years. We’re currently looking for a proactive and...

    Hi there!
    We are Anyforsoft, an outsourcing IT company that has been helping clients from Europe and US build scalable systems in domains such as EdTech, eCommerce, media and more for over 10 years.
    We’re currently looking for a proactive and result-oriented Drupal Engineer to help us manage our continuous delivery processes and ensure smooth and reliable system operations.
    If you are experienced with cutting-edge tools (including cloud technologies, virtualisation, server infrastructure and network management), have strong analytical skills, and communicate effectively, we would love to have you in our team.

    What You’ll Do:

    • Development custom (and combining contrib ones) solutions from scratch and for existing projects as part of the development team
    • Code review from other team members
    • Taking part in the technical discussions plannings and estimation
    • Taking part in the technical decisions
    • Communicating with the development team and clients, leading feature demos in English and ensuring shared understanding of goals and expectations.
    • Translating business and product goals into technical tasks and suggesting better alternatives when initial requirements do not lead to the best user experience.

    What We Expect:

    • 3+ years of experience in a similar position.
    • Solid hands-on experience with a technical stack including PHP, Drupal 10–11, databases, integrations, and DevOps tools, with the ability to deliver production-ready, end-to-end solutions
    • T-shaped engineering profile: deep expertise in Drupal and PHP, combined with practical experience and the confidence to work with other languages, frameworks, or low-code tools when it adds value to the product
    • Technology-agnostic mindset: chooses tools and approaches based on business goals and user experience, not personal preferences or β€œone favorite stack”.
    • Readiness to quickly learn and switch between technologies, debug unfamiliar systems and integrate new tools (including AI assistants) into the development workflow.
    • B2+ level of English proficiency
    • Ownership and responsibility for results: delivers on commitments and keeps pushing until the outcome is achieved, not just the task closed.
    • Proactivity and energy: actively proposes improvements, risks and options instead of waiting for detailed instructions.
    • Critical and systems thinking: can structure vague requirements, ask clarifying questions and see dependencies between business goals and technical choices.
    • Strong communication skills: can communicate clearly with the team and clients, including leading demos and explaining complex topics in simple English.

    Will Be An Advantage:

    • Experience with other programming languages and frameworks, as well as low-code solutions

    What We Offer:

    • Remote work, flexible working hours.
    • A supportive, open-minded culture that encourages initiative and professional growth.
    • Regular performance reviews and transparent feedback.
    • Mentorship, clear goals, personal development plan with real opportunities for career growth.
    • 18 paid vacation days per year.
    • Full accountant and legal support.
      Are you interested?
      Submit your application!
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  • Β· 248 views Β· 79 applications Β· 22d

    Node.js Developer

    Full Remote Β· Worldwide Β· Product Β· 3 years of experience Β· English - C1
    Node.js developer About Seera Seera is a premium short-form drama platform reimagining storytelling for mobile- first audiences across the Middle East and beyond. We produce and distribute cinematic micro-series (60–120s episodes) designed for high...

    Node.js developer

    About Seera

    Seera is a premium short-form drama platform reimagining storytelling for mobile-

    first audiences across the Middle East and beyond. We produce and distribute

    cinematic micro-series (60–120s episodes) designed for high engagement, rapid

    iteration, and cultural relevance.

    We’re building a product at the intersection of streaming, gaming mechanics, and

    mobile-first UXβ€”early enough that strong engineers will have real ownership and

    visible impact.

     

    About the Role

    We’re looking for a skilled Backend Engineer to develop and maintain the core

    backend systems that power Seera’s mobile and web platforms. You will focus

    entirely on backend development, collaborating closely with mobile and web

    frontend teams to deliver high-quality APIs and services that scale with our growing

    user base.

     

    Responsibilities

    β€’ Build and maintain backend services and APIs using Node.js

    β€’ Collaborate with mobile and web teams to integrate frontend features

    β€’ Design, optimize, and maintain backend architecture for scalability and

    performance

    β€’ Ensure security, reliability, and high availability of backend systems

    β€’ Write clean, maintainable code

    β€’ Participate in code reviews and contribute to engineering best practices

     

    Required Skills

    β€’ Strong experience with JavaScript

    β€’ Solid understanding of API design and implementation (REST/GraphQL)

    β€’ Experience with relational or NoSQL databases

    β€’ Familiarity with Git or other version control systems

    β€’ Strong problem-solving skills and ability to work collaboratively with frontend

    teams

     

    Nice to Have

    β€’ Experience with streaming/media content delivery

    β€’ Cloud platform experience with AWS

    β€’ CI/CD, automated testing, and monitoring experience

    β€’ Knowledge of caching and message queue systems

     

    Why Join Seera

    β€’ Build backend systems for a fast-growing entertainment platform

    β€’ Collaborate with talented mobile and web frontend teams

    β€’ Opportunity to influence backend architecture and technology choices

    β€’ Fast-moving environment with minimal bureaucracy

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  • Β· 151 views Β· 0 applications Β· 22d

    Mid–Senior / Senior Software Development Engineer

    Hybrid Remote Β· United States Β· 4 years of experience Β· English - B2
    We are seeking an experienced Mid–Senior/Senior Software Development Engineer (SDE) to join our team working on a next-generation cloud and quantum computing platform. This role involves building backend services, orchestration components, and cloud-based...

    We are seeking an experienced Mid–Senior/Senior Software Development Engineer (SDE) to join our team working on a next-generation cloud and quantum computing platform. This role involves building backend services, orchestration components, and cloud-based workflows that support high-scale, advanced computing scenarios.

    You will contribute to a critical new project focused on backend development and DevOps pipeline implementation. The team also follows a rotating one-week on-call schedule during business hours.

    We are looking for a strong engineer with deep backend expertise, solid cloud experience, and the ability to operate with ownership in a fast-moving environment.


    Requirements
     

    • Strong proficiency in C# / .NET;
    • Solid experience developing REST APIs and backend services;
    • Hands-on experience with Azure Cloud;
    • Practical experience with Python (automation, scripting, tooling);
    • Strong understanding of SQL and data modeling;
    • Experience with unit testing frameworks (NUnit, MSTest, or TAEF);
    • Exposure to CI/CD practices and DevOps tooling;
    • Shell scripting knowledge (PowerShell, Bash);
    • Strong communication, problem-solving skills, and ownership mindset.

    Nice to have

    • Experience with TypeScript;
    • Background in distributed systems or complex cloud architectures. 


    Working conditions

    • On-site requirement: Bellevue / Greater Seattle Area β€” presence in the office required once every 2 weeks for collaboration sessions with the client team; 
    • Time zone: Full overlap with PST;
    • On-call: One-week rotations during business hours according to the team schedule.
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  • Β· 179 views Β· 26 applications Β· 22d

    Middle Python Developer

    Full Remote Β· Ukraine Β· 3 years of experience Β· English - B2
    Description Inviting Python Developer to join a growing account in the medical devices industry domain. Our client is the global leader company of healthcare solutions, which contributes to human welfare by application of biomedical engineering in the...

    Description

    Inviting Python Developer to join a growing account in the medical devices industry domain. Our client is the global leader company of healthcare solutions, which contributes to human welfare by application of biomedical engineering in the research, design, manufacture, and sale of instruments or appliances that alleviate pain, restore health and extend life for people around the world.

    Our team is focusing on designing and developing software for medical devices, where the software has strong restrictions for safety and quality, power management, and memory usage.

    Requirements

    • 2+ years of commercial experience in Python development
    • Strong knowledge of Python and OOP principles
    • Experience with Power BI
    • Experience with JIRA, JIRA API
    • Experience with csv and excel files
    • Experience with pipeline management
    • Self-motivated person who is able to work independently
    • Good level of English and readiness to communicate on a day-to-day basis 

    Job responsibilities

    • Create automation tooling from scratch
    • Contributing to an existing shared codebase
    • Writing API tests for REST endpoints
    • Perform code reviews
    • Participation in the meetings with client 
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  • Β· 96 views Β· 5 applications Β· 22d

    Full-Stack Developer (Java, React)

    Full Remote Β· EU Β· Product Β· 5 years of experience Β· English - B1
    About us: ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its...

    About us:

     

    ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

     

    Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

     

    At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

     

    To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeedβ€”while embracing every step of the journey.

     

    Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

     

    Required skills:

    - 5+ years of Java development.

    - Strong programming skills with Java

    - Experience with OOP/OOD.

    - Experience with clustered applications, pooling, connection management, transactions.

    - Familiarity with programming specifics like asynchronous I/O, concurrency, distributed web systems and regression.

    - A good foundation in algorithms, design patterns, and data structures.

    - Experience with unit/functional testing.

    - Strong experience with the most of Spring Framework/JDBC, databases (PostgreSQL)

    - Strong experience with Javascript and React Framework.

    - Maven, Git.

    - Strong understanding of RDBMS concepts + SQL.

     

    Will be a plus:

    - Familiarity with NoSQL databases like Redis

    - Experience with Kubernetes and Nomad

    - Experience with AWS services

    - Experience with Oracle databases

    - Experience with distributed messaging systems, particularly RabbitMQ.

    - Experience in application and infrastructure monitoring.

    - Proven ability to troubleshoot production problems related to software applications.

    - Exposure to high-load systems.

    - Good spoken and written English skills.

     

    Company offers:

    - Long-term employment.

    - Flexible timetable.

    - Comfortable working conditions.

    - Paid vacation and sick leaves.

    - English lessons, gym.

    - Competitive salary level.

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  • Β· 120 views Β· 15 applications Β· 22d

    Tech Lead PHP + Vue.js

    Full Remote Β· Countries of Europe or Ukraine Β· 6 years of experience Β· English - B2
    About the project: Our client is the leading and largest provider of Shariah-compliant home financing in the U.S. market. They offer financing to first-time homebuyers and residential investment property buyers. They are dedicated to serving consumers...

    About the project: 

    Our client is the leading and largest provider of Shariah-compliant home financing in the U.S. market. They offer financing to first-time homebuyers and residential investment property buyers. They are dedicated to serving consumers financial products that are both compliant with faith-based principles and also meet industry standards of excellence. 

     

    Role Overview

    We are seeking an experienced Tech Lead to take ownership of the project’s technical direction β€” leading and supporting both internal and client-side development teams to ensure successful delivery in line with project requirements, quality standards, and timelines.

     

    Team Composition

    • PM
    • BA
    • QA
    • Wordpress/Vue.js Developer
    • 3 Full Stack Developers

     

    Role Responsibilities

    • Deliver high-quality functionality aligned with project requirements, quality standards, and deadlines.
    • Lead and manage the end-to-end development process β€” including architecture design, task decomposition, and progress tracking.
    • Mentor and support development team members, ensuring technical growth and consistency in delivery.
    • Provide hands-on technical guidance to both internal and client-side teams.
    • Conduct thorough code reviews, ensuring clean, maintainable, and scalable code that meets client standards.
    • Troubleshoot and resolve technical issues, bugs, and performance challenges.
    • Evaluate and introduce new technologies and tools to enhance performance, scalability, and reliability.
    • Oversee deployment workflows and manage releases to QA and production environments.
    • Design and document technical solutions for new features and enhancements.
    • Maintain a comprehensive understanding of system architecture, core functionality, and integrations.
    • Create and maintain technical documentation to support knowledge sharing and onboarding.
    • Communicate effectively with the client, ensuring alignment on technical decisions, priorities, and delivery plans.

     

    Role Requirements

    • 6+ years of experience in engineering playing developer roles
    • Experience on a team or tech lead role, designing and implementing complex tech solutions.
    • Deep knowledge of PHP (Laravel/Symfony)
    • Experience in JavaScript, CSS and Vue.js.
    • Strong knowledge and experience with CI/CD process
    • Strong knowledge of REST API
    • Experience with AWS
    • Experience in fintech domain
    • Advanced English (C1+) with excellent communication and presentation skills.
    • Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders.
    • Proactive, reliable, and calm under pressure, with a collaborative and ownership-driven approach.

     

    Daily schedule 

    Our company supports work-life balance and allows you to tailor your schedule. The role operates during standard CET business hours.

     

    Interview Process

    1. Intro Call with Recruiter (up to 1 hour)
    2. Interview with PM and Tech Specialist (up to 90 minutes)
    3. Client Interview (up to 1 hour)

     

    What sets us apart?
    Here are just a few reasons why this position is a standout opportunity:
    πŸš€ Impact & Growth
    As a Tech Lead, you’ll play a key role in shaping technical decisions, driving innovation, and building a scalable, high-quality product β€” while advancing your career in a supportive and growth-oriented environment.

    πŸ’‘ Innovation & Learning
    Take part in our INSART Innovation Lab β€” exploring new technologies and R&D initiatives. We also support your professional education, covering certifications, tech courses, and conference participation.

    πŸ‘₯ Collaborative Culture
    Work in an open, supportive environment where communication, curiosity, and ownership are valued. You’ll collaborate closely with skilled engineers and PMs, sharing knowledge and solving complex challenges together.

    🌍 Flexibility & Balance
    Enjoy a remote-first setup, flexible working hours, and a healthy work-life balance. We care about results β€” not time spent online.

    ❀️ Care & Benefits

    • Comprehensive medical insurance and paid leaves β€” we care about your health and well-being.
    • Gamified bonuses and rewards that recognize your impact.

     

    Looking forward to having a mutually interesting conversation with you! πŸ˜‰

    More
  • Β· 52 views Β· 2 applications Β· 22d

    Lead Software Engineer with C# (IRC285516)

    Hybrid Remote Β· Poland Β· 6 years of experience Β· English - B2
    Please note that the project location is Gdansk, and it's required to visit the office 2-3 times per month Job Description Must have: 6+ years of professional software development experience. Strong experience with windows development. Strong...

    Please note that the project location is Gdansk, and it's required to visit the office 2-3 times per month

    Job Description

    Must have:

    • 6+ years of professional software development experience.
    • Strong experience with windows development.
    • Strong understanding of software design principles, data structures, and algorithms.
    • Experience working with complex, large-scale, or long-lived codebases.
    • Strong problem-solving skills and attention to detail.
    • Good communication skills and ability to work effectively in cross-functional teams.

    Nice to Have

    • Experience working on mission-critical or safety-relevant applications (aviation, navigation, defense, medical).
    • Hands-on experience with C/C++ (performance-critical components, legacy code, or system-level logic).
    • Hands-on experience with Swift or/and RUST
    • Experience with performance profiling and optimization tools.
    • Exposure to geospatial, mapping, or navigation-based applications.
    • Experience working in an Agile / Scrum environment.
    • Knowledge of CI/CD pipelines for mobile applications.

    Job Responsibilities

     

    Key Responsibilities:

    • Application Development: Design and implement new features for the EFB application using C# and the .NET framework.
    • Optimization: Ensure the application performs reliably under the hardware constraints of mobile devices (e.g., tablets), focusing on memory management and processor efficiency.
    • Aviation Integration: Develop and maintain modules for complex flight-critical tasks, including weight and balance computations, fuel planning, and electronic logbook management.
    • Data Management: Design and optimize local data-stores (embedded databases) for offline access to navigation charts and manuals.
      UI/UX Design: Create user-friendly interfaces tailored for cockpit environments, ensuring ease of use during critical phases of flight.
    • Testing & Compliance: Conduct rigorous unit and regression testing to ensure software reliability, adhering to industry safety standards like DO-178C where applicable.
    • Legacy Maintenance: Debug, refactor, and update existing C# codebases to add new features or improve system stability.

    Department/Project Description

    We are seeking a Mobile Developer to design, develop, and maintain our Electronic Flight Bag (EFB) application. You will work on a mission-critical system built in C# specifically for the Windows platform. Your role is essential in transitioning flight crews to paperless cockpits by delivering high-performance, reliable software that handles navigational charts, flight planning, and real-time performance calculations.

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  • Β· 210 views Β· 54 applications Β· 22d

    Node.js Backend Developer

    Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 3 years of experience Β· English - None
    Backend Developer (Node.js) for the international product IT company, which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. The company develops white-label platforms for...

    Backend Developer (Node.js) for the  international product IT company,  which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. 

      The company develops white-label platforms for enterprise clientsβ€”custom turnkey solutions to automate and optimize digital advertising.

    Products company : SSP, DSP, Ad Exchange platforms.

    Main markets - Tier 1-2 

    The technical team - up to 30 people (CTO, Team Lead, Back-end -10, Front-end developers, QA, DevOps )

    Project stack: Node.js (backend), NoSQL, SQL, RedisMongoDB,  Linux.

    Locations/Offices - Kyiv, Lviv, Odesa, Mykolaiv or remote.

     

     

     Requirements:

    • At least 3 + years of backend development experience, with a strong focus on Node.js
    • Deep understanding of asynchronous programming in Node.js and event loop
    • Knowledge or  experience with high-load systems
    • Familiarity with SQL, NoSQL, and in-memory key-value databases for data storage and optimization;
    • Knowledge of network protocols such as HTTP, TCP, and FTP;
    • Expertise in identifying and resolving issues efficiently;
    • Experience or understanding unit testing;
    • Experience with Linux servers, handling basic administration tasks;
    • Performance optimization skills;

     

    Responsibilities:

    • Write clean, efficient, and maintainable code following best practices
    • Develop and maintain scalable backend services using Node.js 
    • Debug and resolve issues in the backend systems
    • Manage and optimize SQL and NoSQL databases 
    • Write and maintain unit tests to ensure code quality
    • Collaborate with team lead, frontend developers, CTO, Delivery Coordinator and other team members
    •  Continuously learn and apply new technologies to improve backend systems

     

    We offer:

    • Vacation 21 calendar days per year (15 working days) - cumulative, the balances are 

               carried over from year to year

    • medical insurance
    • days off - 7 days per year
    • additional 1 day of absence per year on the occasion of celebrating Birthday
    • 15 paid sick leave per year
    • 15 unpaid leave per year
    • days off on public holidays
    • referral bonuses
    • coworking compensation
    • corporate technology

     

     

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  • Β· 103 views Β· 28 applications Β· 22d

    Team Lead Node.js Developer

    Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· English - None
    Team Lead Developer for the international product IT company, which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. The company develops white-label platforms for enterprise...

    Team Lead  Developer  for the international product IT company,  which provides a full-stack package of complex AdTech solutions for digital advertisers, publishers and ad agencies worldwide. 

      The company develops white-label platforms for enterprise clientsβ€”custom turnkey solutions to automate and optimize digital advertising.

    Products company : SSP, DSP, Ad Exchange platforms.

    Main markets - Tier 1-2 

    The  team developers - up to 12 people 

    Project stack: Node.js (backend), NoSQL, SQL, RedisMongoDB,  Linux.

    Locations/Offices - Kyiv, Lviv, Odesa, Mykolaiv or remote.

     

     Requirements:

    • 2+ years of experience as a Team Lead, including managing and mentoring a team of 5+ developers.
    • At least 5 + years of backend development experience, with a strong focus on Node.js
    • Experience in managing and motivating a team, including conducting 1-on-1 meetings, providing feedback, e.t.c
    • Experience in setting team goals and KPIs focused on achieving business results and product growth.
    • Ability to analyze tasks, metrics, and risks, identify root causes, and propose process improvements.
    • ​​Deep understanding of the team’s service architecture, experience in conducting technical reviews, code reviews, and participating in technical gates before releases.
    • Ability to escalate and handle complex technical issues, including performance and system cases.
    • Experience with databases: PostgreSQL, MySQL, ClickHouse, MongoDB, Redis (basic administration, replication, troubleshooting).
    • Experience with monitoring: Zabbix, Prometheus + Grafana.
    • Knowledge of network protocols (HTTP/HTTPS, FTP, SSH, TCP/IP, DNS, WebSocket), Git, and CI/CD processes.

     

    Will  be a plus : 

    •  Experience in AdTech companies will be a great advantage 

     

    Responsibilities:

    • Manage and mentor a team of 10+ backend engineers.
    • Hands-on involvement in development, including writing code, conducting code reviews, and supporting the team in resolving complex technical issues.
    • Conduct regular 1-on-1 meetings and performance reviews, and manage individual development plans for developers.
    • Set team KPIs according to business goals and product development stages.
    • Ensure effective onboarding, mentoring, and integration of new team members
    • Establish team processes considering product growth and team scaling.
    • Actively plan and assess tasks to establish realistic deadlines and manageable workloads.
    • Ensure clear and effective communication across team, technical leads, and stakeholders
    • Technical quality control of the team’s solutions, including architectural reviews and pre-release gates.
    • Ensure team progress transparency for business and stakeholders.

     

     

     

     

     

     

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  • Β· 166 views Β· 35 applications Β· 23d

    Senior Golang Developer to $5000

    Full Remote Β· Countries of Europe or Ukraine Β· 4 years of experience Β· English - B1
    Stack: Golang, AWS, MySQL, Docker, Microservices. We are seeking an experienced Golang Developer to join our team of talented developers for a stable yet dynamic project. As the Golang Developer, you will play an integral role in developing,...

    Stack: Golang, AWS, MySQL, Docker, Microservices.

    We are seeking an experienced Golang Developer to join our team of talented developers for a stable yet dynamic project.

     

    As the Golang Developer, you will play an integral role in developing, maintaining, and refactoring the existing codebase of a multi-service product with complex logic. You will work closely with our experienced Backend team and use the latest stack.

     

    About the project:

    A stable enterprise product for creating marketing presentations, preparing accompanying materials, and developing sales cycle business assistants for global pharmaceutical companies such as AstraZeneca, Novartis, Pfizer, Veeva etc., and financial institutions like ING and Van Lanschot. Completely our code base, we have been developing it since 2015.

     

    Our services are distributed across multiple Availability Zones, adhering to a service-oriented architecture. Since 2018, we have prioritized GraphQL, although we maintain comprehensive support for RESTful APIs. Our core API services are built on a diverse stack of programming languages, each chosen to optimize task performance. This stack includes a rapidly evolving Golang Core API, legacy Core API services in PHP (leveraging frameworks like Laravel and Yii2) for established business logic and data layer interactions, Node.js (utilizing both JavaScript and TypeScript), Python APIs, and .NET Core C# components.

     

    We utilize a hybrid cloud infrastructure, harnessing the strengths of both AWS and GCP to meet our operational needs, and focus on Serverless. Our work also involves extensive integration with API partners, including Veeva, Salesforce, and a variety of others, to ensure a seamless and robust service ecosystem.

     

    As a product with high-security requirements, we undergo regular penetration testing from auditors and client companies to ensure compliance with industry standards such as OWASP, SOC, and ISO.

     

    Essentials:

    - Advanced knowledge of Golang, with experience in web frameworks such as Gin or Echo.

    - Proficiency in developing automated tests using frameworks like Go Testing, Ginkgo, etc.

    - Expertise in performance monitoring, optimization techniques, and troubleshooting.

    - Strong knowledge of SQL and an understanding of transactions.

    - Understanding of OOP, design patterns, cryptography, algorithms, and data structures.

    - Versatility and comprehension of how all aspects of a web project work together (frontend, backend, and the network layer).

    - Basic System Design skills.

    - English reading and writing: Upper Intermediate.

    - English speaking: Lower Intermediate.

     

    Nice-to-haves:

    - Development experience with Node.js, PHP.

    - Knowledge of serverless architectures, especially AWS.

    - Experience in building APIs using REST and GraphQL.

    - Understanding of EDA, Microservices, Hexagonal Architecture.

    - Proficiency in Docker.

    - Experience with CI/CD Pipelines.

    - Familiarity with agile methodologies (Scrum, Kanban).

    - Degree in Computer Science.

    - English speaking: Upper Intermediate.

     

    Benefits:

    In addition to a great base salary, we offer:

    1) Funding for conferences, co-working spaces, software licenses, and other work-related expenses

    2) MacBook if you require one

    3) Mobile devices if you are involved with mobile development projects

    4) Flexible working hours and fully remote working without micromanagement

    5) Modern technology stack

    6) Time for open source development

    7) Bonus at the end of the year

    8) Paid study leave

    9) Paid English language courses

    10) 36 company-paid days off per annum

    11) Access to educational streaming services like Pluralsight

    12) Input on the development of the company

     

    Our core values:

    We are open-minded, humble, respectful, self-driven, and honest, which allows us to create an atmosphere of synergy. Our team is a great fit for those who value self-organization and are passionate about personal growth. If this resonates with you, we’d love to have you join the team.

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  • Β· 186 views Β· 38 applications Β· 23d

    Middle+ Golang Developer to $4000

    Full Remote Β· Countries of Europe or Ukraine Β· 3 years of experience Β· English - B1
    Stack: Golang, AWS, MySQL, Docker, Microservices. We are seeking an experienced Golang Developer to join our team of talented developers for a stable yet dynamic project. As the Golang Developer, you will play an integral role in developing,...

    Stack: Golang, AWS, MySQL, Docker, Microservices.

    We are seeking an experienced Golang Developer to join our team of talented developers for a stable yet dynamic project.

     

    As the Golang Developer, you will play an integral role in developing, maintaining, and refactoring the existing codebase of a multi-service product with complex logic. You will work closely with our experienced Backend team and use the latest stack.

     

    About the project:

    A stable enterprise product for creating marketing presentations, preparing accompanying materials, and developing sales cycle business assistants for global pharmaceutical companies such as AstraZeneca, Novartis, Pfizer, Veeva etc., and financial institutions like ING and Van Lanschot. Completely our code base, we have been developing it since 2015.

     

    Our services are distributed across multiple Availability Zones, adhering to a service-oriented architecture. Since 2018, we have prioritized GraphQL, although we maintain comprehensive support for RESTful APIs. Our core API services are built on a diverse stack of programming languages, each chosen to optimize task performance. This stack includes a rapidly evolving Golang Core API, legacy Core API services in PHP (leveraging frameworks like Laravel and Yii2) for established business logic and data layer interactions, Node.js (utilizing both JavaScript and TypeScript), Python APIs, and .NET Core C# components.

     

    We utilize a hybrid cloud infrastructure, harnessing the strengths of both AWS and GCP to meet our operational needs, and focus on Serverless. Our work also involves extensive integration with API partners, including Veeva, Salesforce, and a variety of others, to ensure a seamless and robust service ecosystem.

     

    As a product with high-security requirements, we undergo regular penetration testing from auditors and client companies to ensure compliance with industry standards such as OWASP, SOC, and ISO.

     

    Essentials:

    - Advanced knowledge of Golang, with experience in web frameworks such as Gin or Echo.

    - Proficiency in developing automated tests using frameworks like Go Testing, Ginkgo, etc.

    - Expertise in performance monitoring, optimization techniques, and troubleshooting.

    - Strong knowledge of SQL and an understanding of transactions.

    - Understanding of OOP, design patterns, cryptography, algorithms, and data structures.

    - Versatility and comprehension of how all aspects of a web project work together (frontend, backend, and the network layer).

    - Basic System Design skills.

    - English reading and writing: Upper Intermediate.

    - English speaking: Lower Intermediate.

     

    Nice-to-haves:

    - Development experience with Node.js, PHP.

    - Knowledge of serverless architectures, especially AWS.

    - Experience in building APIs using REST and GraphQL.

    - Understanding of EDA, Microservices, Hexagonal Architecture.

    - Proficiency in Docker.

    - Experience with CI/CD Pipelines.

    - Familiarity with agile methodologies (Scrum, Kanban).

    - Degree in Computer Science.

    - English speaking: Upper Intermediate.

     

    Benefits:

    In addition to a great base salary, we offer:

    1) Funding for conferences, co-working spaces, software licenses, and other work-related expenses

    2) MacBook if you require one

    3) Mobile devices if you are involved with mobile development projects

    4) Flexible working hours and fully remote working without micromanagement

    5) Modern technology stack

    6) Time for open source development

    7) Bonus at the end of the year

    8) Paid study leave

    9) Paid English language courses

    10) 36 company-paid days off per annum

    11) Access to educational streaming services like Pluralsight

    12) Input on the development of the company

     

    Our core values:

    We are open-minded, humble, respectful, self-driven, and honest, which allows us to create an atmosphere of synergy. Our team is a great fit for those who value self-organization and are passionate about personal growth. If this resonates with you, we’d love to have you join the team.

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  • Β· 92 views Β· 12 applications Β· 23d

    Senior Python Developer

    Full Remote Β· Ukraine Β· 6 years of experience Β· English - B2
    Quintagroup is looking for a Senior Python Developer to join a project for a leading UK-based fintech product. Our client builds innovative financial solutions and actively uses modern technologies to support both businesses and consumers. ...

    Quintagroup is looking for a Senior Python Developer to join a project for a leading UK-based fintech product

    Our client builds innovative financial solutions and actively uses modern technologies to support both businesses and consumers.

     

    RESPONSIBILITIES:

    • development with Python, AWS
    • participation in planning and execution stages
    • collaborate closely with an international development team (UK/UA/US) and the CTO to design, implement, and optimize fintech applications.
    • take part in project planning and execution to ensure timely delivery of key milestones.
    • build and integrate cloud-based solutions, primarily on AWS.
    • improve application performance and maintain the security of sensitive financial data.

     

    TECH STACK:

    Python 3.11, Django 4.2, Postgres, AWS (EventBridge, Lambda, ECS, RDS, DynamoDB etc.), Docker, Pandas, Polars, Terraform

     

    REQUIREMENTS

    • 6+ years of experience with Python
    • 4+ years of experience with Django Python frameworks
    • Experience with AWS 
    • Able to work in a team-oriented, collaborative environment
    • Ability to share knowledge
    • Excellent communication skills in English (B2+ level or higher).


    WE OFFER:

    • Flexible working format: fully remote, hybrid, or office-based.
    • Competitive salary and comprehensive compensation package.
    • Personalized career growth paths and mentorship opportunities.
    • Access to professional development tools, including tech talks and training sessions.
    • Education reimbursement for relevant certifications or courses.
    • Memorable gifts for anniversaries and corporate events.
    • Engaging team-building activities and location-specific perks.

     

    HIRING PROCESS:

    • HR interview
    • Tech interview
    • Offer
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  • Β· 129 views Β· 25 applications Β· 23d

    Senior Java Developer

    Full Remote Β· Ukraine Β· 6 years of experience Β· English - B2
    Project Description The client provides a reimbursement platform available for companies with mobile employees who are traveling places for their day-to-day job. They have solutions for Small and Medium Businesses, Mid-size companies and Enterprises to...

    Project Description

    The client provides a reimbursement platform available for companies with mobile employees who are traveling places for their day-to-day job. They have solutions for Small and Medium Businesses, Mid-size companies and Enterprises to enable them to manage the reimbursement by streamlining and optimizing calculation process, control cost by using insight based on the rich user data aggregated through their Mobile app.

     

     

    Job Description

    We are looking for a talented Senior Java Software Engineer to take part in building a tactical solution within a planed way to an Enterprise Data Platform.

    • Team player, accountable, dedicated and passionate.
    • 6+ years of experience coding in Java (must).
    • Experience of team/tech leading
    • Self-learner 
    • Experience with system design and data structures.
    • Experience in designing and building multi-tenant and scalable microservice systems
    • Experience working in a containerized environment with Kubernetes (Advantage)
    • Experience in relational databases (Postgres ) 
    • Experience with cloud technologies (AWS/Azure)
    • Experience with using queues and messaging systems - Kafka, RabbitMQ - (Advantage)
    • Experience in building deployment pipelines using Jenkins and Kubernetes - (Advantage)

     

     

    Job Responsibilities

    • Become a valued member of an autonomous, cross-functional agile team.
    • In cooperation with solution architect, lead developer design, develop and deploy Java services focusing on high availability, low latency, scalability and high throughput.
    • Collaborate closely with other engineers, product owners and designers, to identify and solve challenging problems.
    • Take full responsibility and ownership from conception, development, quality to post-deployment.
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  • Β· 648 views Β· 300 applications Β· 23d

    Middle Java Developer

    Full Remote Β· Worldwide Β· Product Β· 3 years of experience Β· English - B1
    About Strim Duo: Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software...

    About Strim Duo:

    Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software solutions, mobile applications, and post-launch product support.

    Strim Duo helps partners create engaging and highly effective game content: from social and arcade games to MMORPGs and children’s apps, integrating advanced monetization mechanics and social network features (strim-duo.com)

    What We’re Looking For

    β€” Strong understanding of OOP, software engineering best practices, and API design;
    β€” Experience with Java & Spring ecosystem;
    β€” Solid knowledge of distributed systems and microservices architecture;
    β€” Hands-on experience with containerization and orchestration (Kubernetes, Helm);
    β€” Understanding of CI/CD principles and modern delivery pipelines;
    β€” Experience with cloud platforms (AWS preferred);
    β€” Familiarity with Infrastructure as Code (Terraform or similar);
    β€” Proficiency in SQL and relational databases;
    β€” Experience with monitoring and observability tools (Grafana, Prometheus, Kibana);
    β€” Proactive mindset, ownership mentality, and strong problem-solving skills;
    β€” English level: Intermediate+ (sufficient for daily communication);

    What You Will Be Responsible For

    β€” Active feature development and continuous improvement of backend services;
    β€” Full ownership of services: from design and development to deployment, support, and bug fixing;
    β€” Participation in architecture design and technical decision-making;
    β€” Building and evolving systems with a focus on scalability, reliability, and sustainability;
    β€” Improving observability: monitoring, logging, alerting;
    β€” Working with CI/CD pipelines and deployment processes;
    β€” Close collaboration with cross-functional teams;
    β€” Documenting technical decisions and sharing best practices;

    What we offer

    β€” Corporate psychologist;
    β€” Gifts for significant occasions;
    β€” Legal support;
    β€” Flexible working hours;
    β€” Direct access to C-level and opportunity to suggest new business ideas and drive changes.

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