Jobs at Djinni

On behalf of our Client from France, Mobilunity is looking for a Frontend Developer.

Our Client is a table management software and CRM that enables restaurant owners to welcome their customers easily. The app is useful to manage booking requests and register new bookings. You can view all your bookings, day after day, wherever you are and optimize your restaurant’s occupation rate. Our client offers a commission-free booking solution that guarantees freedom above all. New technologies thus become the restaurateurs best allies for saving time and gaining customers while ensuring a direct relationship with them.

Their goal is to become the #1 growth platform for Restaurants. They believe that restaurants have become lifestyle brands, and with forward-thinking digital products, restauranteurs will create the same perfect experience online as they already do offline, resulting in a more valuable, loyalty-led business.

Requirements:

Frontend 

• Next.js (App Router) and React 19: Server Components, client components and server-side rendering patterns
• TypeScript 5.9+ in strict mode: advanced typing, generics, discriminated unions
• Zustand for global state management
• Tailwind CSS 4 with CSS variables: design token systems, themes and custom utilities
• At least 5 years of frontend development experience

Testing & Tooling

• Jest: unit testing and component integration testing
• Docker: containers for development and deployment environments
• Git: branch workflows, pull requests and code reviews

AI

• Regular use of coding agents: Claude Code
• AI-assisted code generation, testing and technical documentation
• Ability to review and validate AI-generated output

English: B2-C1

We're looking for a Backend Developer to take ownership of backend systems for our iOS applications — from core API logic to payment infrastructure and subscription flows. 
We process subscription payments through web funnels (webview in iOS apps), so this role requires deep focus on payment systems, subscription logic, and integrations. Direct revenue impact.

What you'll do

• Develop and maintain backend services and APIs for mobile applications (iOS)
• Own backend systems related to payments and subscriptions
• Implement and optimize payment systems (Stripe and similar) 
• Build subscription lifecycle logic — rebilling, dunning, retries, cancellations 
• Work with webhooks and event-driven payment processes 
• Build and support admin panels for subscriptions and content management 
• Integrate third-party services — analytics, payment providers, external APIs 
• Design scalable backend architecture and ensure system reliability
• Work with databases — user data, payments, subscriptions
• Collaborate with product and frontend teams

Requirements

• 5+ years of commercial backend development experience 
• Strong Node.js (TypeScript) 
• REST API development, NestJS preferred 
• Hands-on experience with payment systems (Stripe or similar) 
• Real experience with subscription logic — rebilling, lifecycle, dunning
• Webhooks and async / event-driven patterns 
• Strong experience with SQL databases (PostgreSQL)
• Experience working with Redis (caching / queues)
• Understanding of scalable backend architecture

Nice to have

• Message queues — RabbitMQ / Kafka 
• Admin panels or internal tooling 
• Analytics integrations 
• High-load systems experience 
• Docker, AWS / GCP

We're NOT looking for

• Developers with only basic CRUD/API experience 
• Candidates without hands-on payment system experience 
• Candidates without real subscription logic experience 
• Developers who can't clearly explain their backend decisions

What we offer

• Work on a real product with direct impact on revenue
• Ownership of backend and payment systems
• Remote work and flexible schedule
• Fast product iterations without unnecessary bureaucracy
• Strong product team and engineering culture

Full product lifecycle — from idea to scale.

We’re building subscription products and need a Product Manager who owns the product end-to-end — from hypothesis to revenue growth. You make decisions based on data, move fast, and are accountable for results.
 

Responsibilities

• Own the product lifecycle: idea → MVP → launch → scale
• Validate ideas and define MVP scope
• Design and improve funnels: onboarding, paywall, retention
• Plan releases and manage delivery (App Store / payments)
• Track key metrics: CR, retention, LTV
• Run A/B tests and act on results
• Work with design, engineering, QA, and marketing
• Identify and manage product risks

Requirements (must-have)

• Hands-on experience with subscription products (mobile and/or Web2App)
• Strong understanding of subscription funnels
• Daily work with product metrics (CR, retention, LTV)
• Experience running A/B tests end-to-end
• Ability to define MVP scope and prioritize
• Can write clear, actionable specs
• Ownership mindset — accountable for product results

Nice to have

• Experience with attribution tools (AppsFlyer, Adjust)
• Technical background (engineering or QA)

We’re not looking for a coordinator.
We need a Product Manager who owns the product and its results.
Experience with the full product lifecycle is required — from idea and validation to launch and scaling.

What we offer

• Work on a real product with direct impact on revenue
• Ownership of backend and payment systems
• Remote work and flexible schedule
• Fast product iterations without unnecessary bureaucracy
• Strong product team and engineering culture

You own delivery. If it didn’t ship — that’s on you.

We’re looking for a Project Manager who drives delivery end-to-end — from kickoff to release — manages timelines, removes blockers, and ensures things actually ship.
 

Responsibilities

• Drive delivery end-to-end: kickoff → development → QA → release
• Own timelines — track risks and recover delays
• Coordinate product, engineering, QA, and ops
• Identify and remove blockers
• Own the release process
• Keep stakeholders aligned on status and priorities
• Balance speed and quality

Requirements (must-have)

• Experience in product teams (not just coordination)
• Proven ownership of delivery in product development
• Strong understanding of the full delivery cycle: dev → QA → release
• Strong timeline and priority management
• Clear communication with technical and non-technical teams
• Accountability for outcomes, not just process

Plus one:

• Experience with subscription products
  or
• Experience with mobile apps (App Store / Google Play)

Nice to have

• You’ve shipped real products
• You can explain missed deadlines and recovery actions
• You focus on delivery, not activity
• You treat blockers as your responsibility

Not a fit if you mainly:

• Run standups and update boards
• Facilitate meetings without driving outcomes
• Don’t own timelines or delivery

What we offer

• Work on a real product with direct impact on revenue
• Ownership of backend and payment systems
• Remote work and flexible schedule
• Fast product iterations without unnecessary bureaucracy
• Strong product team and engineering culture

Inception-1 is a product company that creates AI-driven B2C products designed to help people feel more connected and less alone. Our mission is to build meaningful digital experiences that blend technology with empathy and to prove that technology can be both human and transformative.

GetHoney is one of our AI-driven products and we’re looking for a Senior Product Engineer who combines strong engineering skills with product thinking. 

Have you ever wondered about solving real product cases instead of just coding and approving each idea with product-analytics-delivery-….?

We want you to be responsible for solving complex user’s problems – delivering ready-to-use features and final value to user (from ideation to deployment and analysis).

If you have technical strong technical background, AI evangelist mindset and own startup experience – you are already in.
 

Must-have skills:

• Proven ability to ship user-facing features end-to-end.
• Strong full-stack engineering background (C# / .NET, any frontend technology - React/Angular/ Vue).
• Hands-on experience integrating LLMs / AI APIs.
• Hands-on experience with agentic engineering: practical use of AI agents (LLM-based tools, autonomous workflows, coding agents) in day-to-day development, including designing, orchestrating, and evaluating agent-driven workflows.
• Product development skills:
  • Strong grasp of product analytics;
  • Product features design and testing experience.
• Solid system design fundamentals.
   

Nice-to-have:

• Experience working with experimentation frameworks.
   

Key responsibilities for the first 6 months:

• Ship 15–20 meaningful product experiments.
• Implement agile but stable solutions for engaging conversational model, voice generation, interactive calls, etc.
• Improve retention and activation metrics.
• Design and maintain an experimentation framework (A/B testing, rapid iteration).
• Work as product, design, and research to turn insights into shipped features.
• Participate in user interviews and discovery sessions.
   

What makes you successful in this role:

• You have a strong product mindset and take ownership from idea to impact.
• You’re comfortable working in ambiguity and early-stage environments.
• You have high emotional intelligence and empathy for users.
• You care not only about shipping fast, but about shipping the right thing.
   

What we offer:

• Flexible work schedule and remote-friendly culture.
• Online services of a corporate doctor, and after the probationary period — health insurance in Ukraine.
• 20 working days of paid vacation per year, unlimited sick leave.
• All equipment necessary for work.
• Compensation for the best courses on the market, corporate online meetups and lectures, a large library, business and management schools for employees.

Please note: due to the high volume of applications, we can only respond to candidates selected for the next stage. If you don’t hear from us within a week, please assume your application won’t be moving forward this time, and we’d love to see you apply for future roles!

We are now looking for an Engineering manager to join our team

Core mission of the role is to be the quality and process backbone for all Product Tech teams at Fulcrum. Ensure every team follows best practices, delivers on schedule, adopts AI-powered workflows, and maintains engineering excellence — without micromanaging day-to-day execution.
 

Key Responsibilities:
 

Delivery & process control
 

• monitor overall health of AI projects (velocity, quality, blockers, timelines) and intervene early when needed
• review and approve ключові технічні deliverables (architecture, APIs, security, DB, deployment)
• define and enforce engineering processes (code reviews, CI/CD, testing, documentation, AI tooling)
• approve presale development plans (architecture, stack, team, estimates)
• approve discovery setup (processes, cadence, risks, tooling, acceptance criteria)
• establish and maintain cross-project engineering standards
   

Ai process & innovation
 

• drive adoption of AI dev tools and measure impact (Claude, Codex, agents)
• evaluate new AI requirements (feasibility, effort, risks, approach)
• identify and внедряти AI-driven process improvements (automation, testing, monitoring, docs)
• oversee custom agent development (quality, value, best practices)
• track and evaluate new AI/ML technologies, maintain internal knowledge base
   

People & education
 

• lead internal AI education (workshops, materials, onboarding)
• support engineer growth via feedback and skill gap identification
• participate in hiring and technical assessments for AI roles
• run mentorship initiatives for AI skill development
   

Job requirements:

• 2+ years managing engineering teams or overseeing multi-project delivery
• 5+ years in IT (any relevant roles)
• proven track record of shipping production systems on time and within scope
• solid understanding of modern stack (TypeScript, React, Node, Docker, PostgreSQL) with ability to review code
• hands-on experience with AI/ML projects (LLMs, agents, vector DBs, prompt engineering)
• understanding of agentic systems, model behavior, and AI-specific risks
• ability to review and challenge architecture, tech stack, APIs, DB, and security decisions
• strong experience defining and enforcing engineering processes (CI/CD, code reviews, testing, documentation)
• strong cross-team communication (CTO, POs, designers, engineers)
• ability to translate technical decisions into business impact
• experience mentoring engineers, running knowledge sharing, and supporting hiring
• hands-on use of AI dev tools (Claude, Codex, Copilot, etc.) and understanding of productivity impact
• experience validating technical feasibility, estimates, and discovery setup
• understanding of testing strategies (unit, integration, E2E, AI validation)
• awareness of security, compliance, and responsible AI practices
   

Nice to have
 

• experience building or orchestrating AI agents / multi-agent systems
• familiarity with vector DBs, RAG pipelines, or open-source AI frameworks
• DevOps / platform engineering experience (CI/CD, monitoring, infra)
• experience in outsourcing/agency environments
• strong product sense and technical documentation skills

Hiring process:
 

• Recruiter interview (40 min)
• Technical interview
• Reference check
• Final interview with CTO
  
  What we offer:
  
  — Flexible schedule & opportunity to work remotely
  — Friendly & open team who have fun creating cool projects together;
  — Opportunity to boost your professional & personal growth;
  — Regular team gathering activities;
  — 20 business days of paid vacation + UA national holidays;
  — Medical insurance full coverage;
  — 10 + 5 days paid sick leave;
  
  How we operate:
  
  — We promise dramatic professional growth & interesting work
  — Bring ideas that will change how Fulcrum operates, and you will receive our gratitude and rewards
  — Your opinion matters. Fulcrum is not a typical ’bureaucratic company, and our employees are our core value
  — Your compensation grows with your responsibility zone
  — If something doesn’t go smoothly or can be simplified, just let us know — you are welcome to do so
  — You have a say in everything we do, starting from the roadmap, creating requirements, sprint planning, etc.
  — If you feel that everything above is about you, get in touch. We’re always glad to welcome stubborn, enthusiastic, and result-oriented buddies to our team
   

Who Are We?

We are Welltech — a global company with Ukrainian roots and a powerful mission: to move everybody to start and stay well for life. Today 25.5 million users have trusted Welltech to help them build healthy habits — a testament to the real value our innovative, engaging wellness solutions deliver every day. 🌍

With five hubs across Cyprus, Ukraine, Poland, Spain and the UK and a diverse, remote-friendly team of 700+ professionals, we continue to scale rapidly. Our innovative apps — Muscle Booster, Yoga-Go and WalkFit — empower millions to transform their lifestyles and unlock their personal wellness journeys.

Welltech is where your impact becomes real. And our values clearly attest to that: we grow together, we drive results, we lead by example and we are well-makers.

If this looks like you and you thrive in a fast-paced environment, you’ll fit right in at Welltech. Let’s build wellness for millions together.

What We're Looking For

We are currently looking for an experienced and talented Senior Motion Designer to join our team to play an integral part in the Creative Production team. You won't just be "making videos"; you will be engineering high-impact visual assets for Facebook, Instagram, TikTok, and Google that stop the scroll and drive results.

The ideal candidate thinks like a marketer and designs like an artist. You understand the psychology of a "hook," the importance of a clear CTA, and how to iterate based on performance metrics.

Key Responsibilities:

• Own end-to-end creative execution for performance motion ads across Facebook, Google, and TikTok
• Set creative direction and quality standards, with strong focus on high-converting first 3 seconds
• Lead and manage freelance motion designers (briefing, feedback, delivery, quality control)
• Mentor designers and elevate overall team output through structured reviews and coaching
• Analyze performance data with Growth/Marketing teams to iterate, scale winners, and cut low performers
• Create high-impact motion design (dynamic typography, transitions, compositing, platform-native content)
• Collaborate with Video Producers and Growth Managers to align creative with KPIs (CPI, ROAS, LTV)
• Lead design reviews and foster a high-performance, feedback-driven culture
• Stay ahead of social trends (UGC, AI workflows, 3D, platform formats) and apply them strategically
• Optimize workflows and production pipelines for speed, scalability, and testing volume

Required skills

• The "Design-First" Mindset: A portfolio that proves you are a top-tier graphic designer who happens to be a master of motion (strong grasp of typography, hierarchy, and color).
• Platform Expertise: Deep understanding of the technical and psychological nuances of TikTok, Meta, and YouTube ad formats.
• Technical Stack: Mastery of After Effects and Premiere Pro.
• Figma Fluency: Experience using Figma as a primary collaborative tool.
• Performance Literacy: Ability to articulate why a creative decision was made in the context of business goals and user behavior.
• Communication: Fluent English with the ability to pitch creative ideas clearly and concisely.
• Leadership & Team Management: Experience leading teams with full ownership of output quality and delivery. 

Communication and Collaboration

• Good verbal and written communication and interpersonal skills in English.
• Ability to articulate ideas clearly and concisely.
• Self-driven and capable of working autonomously with minimal supervision.
   

Candidate journey

⭕️ Recruiter call --> ⭕️ Meet the Hiring Manager --> ⭕️ Test Task --> ⭕️ Panel Presentation

✨ Why You’ll Love Being Part of Welltech:

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.
• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.
• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!

   

Check out some of our products

Muscle Booster — https://musclebooster.fitness/

Yoga-Go — https://yoga-go.io/

WalkFit - http://walkfit.pro

Description

The groundbreaking model for in-home care and support has given us the inspiration to create our new technology solution. Through a HIPAA-compliant platform that is intuitive and user-friendly we will enhance and empower care and communication between caregivers and their extended care team to improve outcomes and quality of life.

Requirements

4-5+ years of commercial experience as a software engineer
Backend development with Python or Golang
Experience with modern frontend frameworks (Ember.js, React, Vue, Angular)
Knowledge and hands-on experience with DB
Experience with Restful APIs and Microservices
Github Actions and general CI/CD experience
Strong commitment to master Ember.js framework and other required technologies
Upper-intermediate English level
Unit testing experience

Nice to have:

Experience with Amazon Web Services is a plus
Experience with Linux, Docker, Kubernetes
Very good communication skills – work with global distributed team
Strong analytical and problem solving skills, proactive and innovative

Job responsibilities

• Design, develop, and maintain full-stack web applications
• Implement RESTful APIs and integrate with relational databases
• Participate in the analysis, diagnosis and troubleshooting issues and defects
• Collaborate with cross-functional teams to deliver scalable, secure solutions
• Ensure application performance, security, and code quality through best practices and code reviews
• Participate in troubleshooting, debugging, and continuous improvement efforts

Description

The groundbreaking model for in-home care and support has given us the inspiration to create our new technology solution. Through a HIPAA-compliant platform that is intuitive and user-friendly we will enhance and empower care and communication between caregivers and their extended care team to improve outcomes and quality of life.

Requirements

4-5+ years of commercial experience as a software engineer
Backend development with Python or Golang
Experience with modern frontend frameworks (Ember.js, React, Vue, Angular)
Knowledge and hands-on experience with DB
Experience with Restful APIs and Microservices
Github Actions and general CI/CD experience
Strong commitment to master Ember.js framework and other required technologies
Upper-intermediate English level
Unit testing experience

Nice to have:

Experience with Amazon Web Services is a plus
Experience with Linux, Docker, Kubernetes
Very good communication skills – work with global distributed team
Strong analytical and problem solving skills, proactive and innovative

Job responsibilities

• Design, develop, and maintain full-stack web applications
• Implement RESTful APIs and integrate with relational databases
• Participate in the analysis, diagnosis and troubleshooting issues and defects
• Collaborate with cross-functional teams to deliver scalable, secure solutions
• Ensure application performance, security, and code quality through best practices and code reviews
• Participate in troubleshooting, debugging, and continuous improvement efforts

Description

We are redefining the standard of care in mental health. Our platform empowers clinicians by automating administrative burdens—such as note-taking and compliance auditing—using cutting-edge AI and real-time audio analysis. By bridging the gap between clinical sessions and actionable data, we allow providers to focus on what matters most: the patient.

Requirements

• At least 3 years of commercial experience in test automation with a strong focus on mobile applications;
• Strong expertise in Android test automation using UiAutomator and Espresso, with proven experience in developing, maintaining, and optimizing stable automation suites;
• Hands-on experience with mobile testing concepts, including real devices vs emulators, mobile gestures, app lifecycle, and debugging mobile automation issues;
• Solid understanding of QA fundamentals, SDLC, and testing methodologies;
• Basic experience in web test automation and understanding of cross-browser and responsive testing principles;
• Experience integrating automated tests into CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar);
• Experience working with real device testing platforms or device farms;
• Experience with Functional, Regression, Integration, and End-to-End testing;
• Experience working with bug tracking and test management tools (Jira, Xray, Zephyr, or similar);
• Experience in Healthcare or other regulated domains is a plus;
• Experience using GenAI tools to support QA and automation workflows;
• Proactive mindset, ownership, and ability to work in a fast-evolving product environment;

• Upper-Intermediate English or higher.

   

Job responsibilities

• Develop, maintain, and optimize automated tests for Android mobile applications;
• Contribute to web automation coverage as needed, ensuring cross-browser and responsive testing;
• Improve and extend existing automation frameworks using JavaScript and WebdriverIO;
• Build and maintain reliable end-to-end test coverage for mobile and web products;
• Maintain and optimize automated tests on real devices and platforms like BrowserStack;
• Integrate automated tests into CI/CD pipelines and support their smooth execution;
• Investigate test failures, perform root-cause analysis, and enhance test stability and reliability;
• Collaborate closely with developers, product managers, and QA engineers to improve testability and product quality;
• Drive continuous improvement of QA processes, automation practices, and testing standards.

Our partner is a digital marketing and web development agency that works with B2B SaaS companies operating in cloud management, programming, cybersecurity, and related tech fields. They are looking for a highly skilled and detail-oriented Junior Digital Marketing Manager to join their team immediately.

Their team is looking for a specialist who writes and speaks English at a native (or fluent) level. Attention to detail and analytical skills are crucial, as you’ll be analyzing website performance data to identify trends and opportunities. Experience in digital marketing, particularly SEO, paid ads, backlinks, and website optimization, is important.

Main Responsibilities

– Work closely with the team to analyze clients’ performance metrics and refine overall digital marketing strategies
– Conduct keyword research and keyword gap analysis to find the best queries for content optimization and development
– Learn the clients’ product features thoroughly to ensure effective marketing
– Optimize content (articles and landing pages) for search engines to achieve top rankings, organic traffic, and conversions
– Stay updated with industry trends and algorithm changes to continuously improve digital marketing strategies
– Develop docs and templates to streamline operations.

Requirements

– 1+ years of experience in digital marketing
– C1

– Experience working with SEO tools such as Semrush, Ahrefs, etc
– Strong analytical skills and attention to detail (it’s much more than it sounds)
– A no-ego approach and the ability to handle constructive criticism well
– Ability to be proactive and work effectively in a fast-paced and collaborative team
– Ability to work remotely and be responsible for the results of your work.

Preferred Qualifications
– Experience working with US-based SaaS companies that create products for developers and engineers.
 

We offer

– A well-paid position with the opportunity to grow
– Exciting tech-oriented projects to work on
– A supportive and friendly team

Join Ajax Systems, the leading manufacturer of cutting-edge Ajax wireless security systems with smart home capabilities. As a full-cycle company, we take pride in our ability to transform ideas into innovative products through development and mass production.

With a diverse range of 170+ devices, the Ajax line safeguards premises against burglary, fires, and floods while providing seamless control over electrical appliances. Our solutions have earned us Europe’s highest security awards, solidifying our position as a trusted name in the industry.

Ajax is a Ukrainian success story, fueled by immense strength and boundless energy. We currently protect over 1,800,000 users in 170 countries worldwide. As our company continues to thrive, we are constantly seeking active individuals to join our team and contribute to our ongoing growth.

Right now, we have an exciting opportunity for a Support Engineer with a strong command of German and English.

As part of our dedicated support team, you will assist customers from all corners of the globe, providing round-the-clock assistance through various channels. We’re proud of our ability to communicate in multiple languages, enabling us to promptly address and resolve user issues.

To excel in this role, we’re seeking a passionate and talented Technical Support Engineer who can:

• Respond to customer inquiries promptly and professionally via phone, email, and live chat
• Investigate and troubleshoot client issues related to our products and services, ensuring swift resolution.
• Escalate complex problems to the appropriate team when necessary.
• Document and track customer interactions and problems using our efficient customer relationship management system (CRM).
• Educate customers on the features and benefits of our outstanding products and services.

Key requirements for this role:

• Knowledge of the basics of physics and electrical engineering, empowering you to handle technical queries effectively.
• Intermediate or higher level of German proficiency
• Intermediate or higher level of English proficiency.
• Experience in customer communication, ensuring you understand their needs and can provide exceptional support.
• Familiarity with CRM systems (Jira, Confluence, etc.) is a plus.
• A degree in tech/engineering is a plus.

In return for your dedication and contributions, we offer:

• Working in a dynamically growing multinational and multicultural Group.
• Ability to add value to the business by applying your knowledge and skills.
• Ajax security system kit (you will be part of the beta-testing program and will be able to test new devices and features before official release).
• Full-time working schedule.
• Medical insurance.

If you are ready to join a forward-thinking company that values innovation and customer satisfaction, while offering a vibrant work environment, then apply now to become a part of our exceptional team at Ajax Systems

Join CoreWillSoft GmbH and help build Windows-based software that protects critical facilities and infrastructure. We develop innovative physical security and access control solutions, integrating building automation, IoT devices, and high-security hardware. 

You’ll join an Agile, international team distributed across locations, with our headquarters in Bonn, Germany. We own the full product lifecycle — from discovery and implementation to release and operation — so your work will be visible, impactful, and close to real customer needs. 

What you`ll do: 

• Develop, maintain, and enhance Windows-based desktop applications using .Net. 
• Maintain and develop DLLs written in C++. 
• Implement CI/CD pipelines for development and QA processes. 
• Act as a liaison between the customer and the development team, collecting and synthesizing feedback into actionable tasks. 
• Ensure on-time delivery of high-quality products. 
• Collaborate with cross-functional teams, including engineering, sales, marketing, and support, to deliver successful projects. 
• Identify potential risks and issues within the project and propose mitigation strategies. 

What we offer: 

• Meaningful Impact: Build solutions that are used every day by thousands of businesses — your work will directly improve real-world security and connected device experiences. 
• Product & Process Ownership: Help shape not only the product, but also how we build and deliver it — your ideas and decisions will have visible impact. 
• Industry Influence: Contribute to key security standards and best practices, staying ahead of the curve in a fast-evolving industry. 
• Modern Tech Stack & Hardware: Work with the latest hardware and the tools you need to do your best work. 
• Time Off & Flexibility: 20 vacation days, paid sick leave, and public holidays in line with German legislation — plus flexibility built around outcomes, not micromanagement. 
• Learning & Development Budget: We support continuous growth by covering hard and soft skills courses, trainings, and access to e-learning platforms. 
• Coworking Support: Prefer not to work from home every day? We offer coworking compensation so you can choose the environment that fits you best. 
• Language Learning Support: Monthly fixed compensation you can use to improve your English or German through the learning format of your choice. 
• Strong Team Culture: Open collaboration, a flat structure, and thoughtful onboarding—your voice is heard, and you can make an impact from day one. 

What you bring: 

• Proven experience in Windows .Net Desktop application development. 
• Familiarity with System.Reactive and its extensions for reactive programming. 
• Experience with System.Security.Cryptography for cryptographic operations. 
• Basics knowledge of C++ and DLL development. 
• Experience in implementing CI/CD pipelines. 
• Excellent communication and collaboration skills. 
• Advanced Business English language knowledge. 
• Good analytical skills, oriented on continuous process improvement. 
• Responsibility for customer/partner relation growth. 

Nice to have: 

• Experience with IoT products in building automation and physical access control. 
• Mastery Degree in Computer Science or related field. 
• Understanding of general security concepts. 
• German language skills. 

Join CoreWillSoft GmbH and help build Windows-based software that protects critical facilities and infrastructure. We develop innovative physical security and access control solutions, integrating building automation, IoT devices, and high-security hardware. 

You’ll join an Agile, international team distributed across locations, with our headquarters in Bonn, Germany. We own the full product lifecycle — from discovery and implementation to release and operation — so your work will be visible, impactful, and close to real customer needs. 

What you`ll do: 

• Develop, maintain, and enhance Windows-based desktop applications using .Net. 
• Maintain and develop DLLs written in C++. 
• Implement CI/CD pipelines for development and QA processes. 
• Act as a liaison between the customer and the development team, collecting and synthesizing feedback into actionable tasks. 
• Ensure on-time delivery of high-quality products. 
• Collaborate with cross-functional teams, including engineering, sales, marketing, and support, to deliver successful projects. 
• Identify potential risks and issues within the project and propose mitigation strategies. 

What we offer: 

• Meaningful Impact: Build solutions that are used every day by thousands of businesses — your work will directly improve real-world security and connected device experiences. 
• Product & Process Ownership: Help shape not only the product, but also how we build and deliver it — your ideas and decisions will have visible impact. 
• Industry Influence: Contribute to key security standards and best practices, staying ahead of the curve in a fast-evolving industry. 
• Modern Tech Stack & Hardware: Work with the latest hardware and the tools you need to do your best work. 
• Time Off & Flexibility: 20 vacation days, paid sick leave, and public holidays in line with German legislation — plus flexibility built around outcomes, not micromanagement. 
• Learning & Development Budget: We support continuous growth by covering hard and soft skills courses, trainings, and access to e-learning platforms. 
• Coworking Support: Prefer not to work from home every day? We offer coworking compensation so you can choose the environment that fits you best. 
• Language Learning Support: Monthly fixed compensation you can use to improve your English or German through the learning format of your choice. 
• Strong Team Culture: Open collaboration, a flat structure, and thoughtful onboarding—your voice is heard, and you can make an impact from day one. 

What you bring: 

• Proven experience in Windows .Net Desktop application development. 
• Familiarity with System.Reactive and its extensions for reactive programming. 
• Experience with System.Security.Cryptography for cryptographic operations. 
• Basics knowledge of C++ and DLL development. 
• Experience in implementing CI/CD pipelines. 
• Excellent communication and collaboration skills. 
• Advanced Business English language knowledge. 
• Good analytical skills, oriented on continuous process improvement. 
• Responsibility for customer/partner relation growth. 

Nice to have: 

• Experience with IoT products in building automation and physical access control. 
• Mastery Degree in Computer Science or related field. 
• Understanding of general security concepts. 
• German language skills. 

CoreWillSoft GmbH is a German-based company working on secure IoT software solutions and services. The mission of CoreWillSoft is to help businesses protect their assets, employees, and data by providing advanced software solutions and services in the security industry. 

We are looking for a Software Engineer with strong backend experience in Kotlin/Java and experience in Kotlin Multiplatform / Android development. 
 

You will work on products used by businesses across Western Europe. 

Our team operates in a scaled agile approach across Europe with a headquarter in Bonn, Germany. It is responsible for the complete software development lifecycle; including ideation, implementation, and operation of the secure IoT software operating smart buildings and smart homes across the world. 

Join us to work on cool and innovative projects involving high-security hardware in a nice international and creative environment that allows you to learn and advance. 

Location: 

• Bonn, Germany 
• Remote 

We offer:

• Meaningful Impact: Build solutions that are used every day by thousands of businesses your work will directly improve real-world security and connected device experiences. 
• Product & Process Ownership: Help shape not only the product, but also how we build and deliver it  your ideas and decisions will have visible impact. 
• Industry Influence: Contribute to key security standards and best practices, staying ahead of the curve in a fast-evolving industry. 
• Modern Tech Stack & Hardware: Work with the latest hardware and the tools you need to do your best work. 
• Time Off & Flexibility: Vacation days, paid sick leave, and public holidays in line with German legislation plus flexibility built around outcomes, not micromanagement. 
• Learning & Development Budget: We support continuous growth by covering hard and soft skills courses, trainings, and access to e-learning platforms. 
• Coworking Support: Prefer not to work from home every day? We offer coworking compensation so you can choose the environment that fits you best. 
• Language Learning Support: Monthly fixed compensation you can use to improve your English or German through the learning format of your choice. 
• Strong Team Culture: Open collaboration, a flat structure, and thoughtful onboarding your voice is heard, and you can make an impact from day one. 

Your skills: 

• Back end: 
• Proficiency in Kotlin and/or Java for backend development.  
• Strong experience with Spring Boot framework.  
• Experience with Docker and containerized applications.  
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.  
• Experience in designing and consuming RESTful APIs.  
• Knowledge of microservices architecture and patterns.  
• Experience with on-premise and cloud-based deployments.  
• Proficiency in secure coding practices and understanding of security bestKo practices for backend systems.  
• Familiarity with scalability strategies and performance optimization in backend services.  
• Knowledge of monitoring and observability tools (e.g., Prometheus, Grafana, ELK).  
• Knowledge of cryptography and security.  
• Familiarity with CI/CD processes, including GitHub Actions, GitLab CI, or similar tools.  
• Experience with version control systems (e.g., Git).  
• Experience with database technologies, both relational (e.g., PostgreSQL) and NoSQL (e.g., MongoDB). 
  
  Mobile / Multiplatform: 
  • Experience with Kotlin Multiplatform and/or Android development.
  • Strong knowledge of Kotlin Coroutines and Flow.
  • Experience with Jetpack Compose (or Compose Multiplatform).
  • Familiarity with dependency injection frameworks (e.g., Koin).
  • Experience with networking libraries such as Ktor.
    
    Nice to have: 
• Experience building desktop applications.
• Experience with Kotlin Multiplatform in production. 
• Knowledge of modern Kotlin ecosystem (Coroutines, Flow, Compose, Koin, Ktor). 
• Knowledge of additional programming languages 
• Experience with system architecture and distributed systems 
• Understanding of UI/UX design and performance optimization.
• Knowledge of building automation or access control systems.