Jobs at Djinni

We are looking for an experienced Upwork Sales Manager to join Time2Launch and take ownership of our sales process on Upwork.

You will be responsible not only for finding jobs, but for turning Upwork opportunities into real clients - from identifying the right projects and sending proposals to communicating with prospects, joining calls, negotiating, and closing deals.

What you will do

• Search Upwork daily for relevant software, mobile, and AI projects
• Analyze job posts and qualify potential opportunities
• Decide which projects are worth pursuing
• Write and submit personalized Upwork proposals
• Communicate with clients through Upwork
• Ask the right questions to understand client requirements and budget
• Schedule and participate in discovery calls
• Prepare offers and estimates together with our technical team
• Follow up with potential clients
• Negotiate project scope, pricing, and terms
• Move qualified leads through the sales pipeline
• Close deals and hand over confirmed projects to the delivery team
• Maintain accurate information about leads, proposals, calls, and deals
• Track sales performance and improve conversion rates

What we are looking for

• Proven experience in Upwork sales / business development
• Experience selling software development services
• Strong understanding of web, mobile, SaaS, or AI development
• Excellent English - written and spoken
• Strong communication and negotiation skills
• Ability to understand technical requirements without being a developer
• Experience communicating with founders, CEOs, CTOs, and other decision-makers
• Ability to work independently and take responsibility for results
• Strong follow-up and organizational skills

You will have an advantage if you have

• Experience selling AI development and AI automation
• Experience selling Flutter, React, Node.js, Python, or other development services
• Experience with larger B2B projects
• A strong Upwork profile and proven history of winning projects
• Experience with LinkedIn or cold email outreach
• Existing relationships with potential clients

What we offer

• Remote position
• Flexible working hours
• Base salary + commission for closed deals
• Direct access to our technical team
• Support with technical estimates and proposals
• Opportunity to work with international clients
• Long-term cooperation
• Growth opportunity into Sales Lead / Head of Sales

Customer Success Manager

Who We Are:
UnderDefense was founded to make Cybersecurity simple and available for every organization, enable compliance and eliminate cyberattack risks with true 24×7 Security Assurance. Our combination of self-service, cloud-native technology, super-effective processes, and expertise is preventing breaches every day. We are completely changing the way security is delivered and setting a new standard for security. If our mission resonates with you, let’s talk!
 

About the role:
As a Customer Success Manager, your primary focus will be on cultivating relationships with both new and existing clients. In this role, you’ll have the opportunity to shape and execute strategies that drive business growth for our clients in the realm of cybersecurity. You’ll be at the forefront of defending organizations against security threats, taking pride in solving critical challenges and supporting their IT strategies.
We value continuous learning and personal development. As our Customer Success Manager, you’ll be encouraged to stay up-to-date with the latest security threats, solutions, security tools, and network technologies. Your dedication to expanding your knowledge will only enhance your ability to deliver exceptional results to our clients.
At our company, collaboration is key. You’ll work closely with all internal departments, fostering a cohesive team atmosphere, and benefiting from the collective expertise of our talented professionals.

Requirements:
 

• Understanding of both cybersecurity and managed IT services, and their application in solving challenges for SMB, mid-market, and enterprise businesses.
• Experience in working with IT product company in Account Manager role.
• Experience working cross-functionally with an account team, providing account management and support to assigned projects and service teams.
• Proven track record of customer retention and upsells.
• Skilled in conducting discovery calls and demos that effectively diagnose prospects’ pains and problems.
• Proven ability to lead all aspects of a technology sales cycle, including prospecting, qualifying, developing, and winning net-new territories and accounts.
• Proven skills in forecasting, pipeline development, reporting, and key performance metric development.

Personal skills:
 

• You thrive in a team environment, showcasing superior leadership, presentation, and planning abilities, as well as excellent verbal and written communication skills.
• Strong business acumen, translating business requirements into relevant solutions.
• You remain flexible and composed under stress, effectively managing multiple priorities simultaneously.
• Active listener with excellent oral and written communication skills, and adept at handling difficult conversations.
• Effective communication with customers and various levels of management, both verbally and in written form.
• Capacity to manage multiple projects in a fast-paced environment.
• A team-player mentality, always willing to share knowledge and support others

Responsibilities:
The main focus for Customer Success Manager within the company is paid to Customer Engagement, Customer Expansion and Retention. Thus, effective candidates are responsible for:
 

• Understanding customer business goals and providing security solutions that align with their requirements.
• Developing strong customer relationships and gaining insights into customer initiatives, key decision-makers, and business processes to effectively communicate how our products/services contribute to their overall goals.
• Identifying and escalating at-risk customer situations to ensure timely resolution and customer satisfaction.
• Proactively achieving sales and revenue targets by maintaining existing customer revenue and introducing new services from our product/solution portfolio.
• Conducting bill reviews when needed to ensure customer understanding of invoicing.
• Exceeding assigned quotas through exceptional relationship building and top-tier customer service.
• Prospecting for new business and expanding our customer network through referrals and effective collaboration with marketing and account teams.
• Closing new accounts and cross-selling additional products and solutions to existing assigned accounts.
• Leveraging cross-functional resources, including Sales Development Reps, Account Managers, Marketing, Delivery teams, to achieve success.

What’s in it for you:

• outstanding Sales team; work in a global IT/Cybersecurity company, a pure Ukrainian Startup success story
• decent base Compensation fixed in USD
• funny celebrations, team outings, and unforgettable corporate events
• compensation for sick leaves and regular vacations
• comfortable office or possibility to work remotely
• remote work & Flexible working schedule
• internal Medical coverage
• regular education and self-development on internal courses and seminars, office library, direct access to CEO
• opportunity to travel onsite to the US, Canada, EU
• attending sales conferences, training, R&D, networking events, etc.

Are you passionate about building reliable, scalable, and highly available production systems? Do you enjoy solving complex engineering challenges through automation, observability, and software engineering?
Optimove is looking for a Senior Site Reliability Engineer (SRE) to join our global SRE organization. In this role, you'll partner with engineering teams globally to improve the reliability, scalability, and operational excellence of our cloud platform.
As a Senior SRE, you'll lead engineering-driven reliability initiatives by building automation, improving deployment processes, advancing observability, and driving operational excellence across our production environment.

Responsibilities
 

• Reliability Engineering – Design and implement solutions that improve the reliability, availability, and scalability of our production platform while proactively identifying and eliminating operational risks.
• Automation & Platform Engineering – Build internal tools and automation that eliminate manual operational work, improve engineering productivity, and streamline production workflows.
• Observability – Improve monitoring, alerting, dashboards, and production visibility while driving initiatives that reduce alert fatigue, improve incident detection, and strengthen operational insights.
• Production Rollouts – Design, improve, and support production deployment processes using modern release strategies such as Canary, Blue/Green, and Feature Flags to ensure safe and reliable releases.
• Production Reliability & Incident Response – Lead the investigation and resolution of critical production incidents, perform root cause analysis, and implement long-term preventive improvements that improve platform resilience and reduce recurring issues.
• On-Call & Operational Excellence – Participate in the team's on-call rotation, ensuring reliable production operations. Respond to critical incidents, collaborate with engineering teams during service disruptions, and drive engineering improvements, automation, and operational best practices that reduce operational toil and prevent future incidents.
• Cloud & Infrastructure – Design, maintain, and improve our Kubernetes-based cloud platform, CI/CD pipelines, and production infrastructure running on GCP and AWS.
• Engineering Partnership – Collaborate closely with Software Engineers, DevOps, DBAs, and Product teams to improve reliability across the software development lifecycle and promote SRE best practices.
   

Requirements
 

• 5+ years of experience in Site Reliability Engineering, Platform Engineering, DevOps, or Infrastructure Engineering.
• Hands-on experience operating Kubernetes in production environments.
• Strong experience working with public cloud platforms (GCP or AWS).
• Strong programming and scripting skills (Python preferred; Go or Bash are a plus).
• Experience designing and building automation and internal engineering tools.
• Experience working with CI/CD pipelines and modern deployment methodologies.
• Hands-on experience with observability platforms such as Datadog, Prometheus, or Grafana.
• Strong understanding of Linux, networking, distributed systems, and cloud-native architectures.
• Excellent troubleshooting, debugging, and root cause analysis skills.
• Strong communication skills and experience collaborating with globally distributed engineering teams.
   

Advantages
 

• Experience with Infrastructure as Code (Terraform, Ansible, etc.).
• Experience with messaging and distributed technologies such as Kafka, Pub/Sub, or Redis.
• Experience supporting modern deployment strategies such as Canary, Blue/Green, or Feature Flags.
• Familiarity with OpenTelemetry and modern observability tooling.
• Understanding of Site Reliability Engineering principles, including SLIs, SLOs, and error budgets.
• Experience working in large-scale SaaS production environments.
• Relevant cloud or Kubernetes certifications (GCP, AWS, CKA, CKAD).
  
  Why Join Us?
  Join a team where Site Reliability Engineering is treated as an engineering discipline—not just an operations function. You'll work on large-scale cloud infrastructure serving enterprise customers while building automation, improving observability, and enabling engineering teams to deliver software safely and reliably.
• You'll collaborate with a global SRE organization using modern cloud-native technologies, Kubernetes, distributed systems, and large-scale SaaS workloads. You'll have the opportunity to lead impactful reliability initiatives, influence engineering best practices, and solve complex production challenges that directly improve the experience of both customers and engineering teams.

Are you an experienced lead generator with a passion for connecting with clients and growing business opportunities?

The Time2Launch team is seeking a skilled and motivated Upwork Lead Generation Specialist to join our team and drive our client acquisition efforts on Upwork. In this role, you’ll play a crucial part in supporting our Sales team by driving the lead generation process, managing communication, coordinating schedules, and assisting with proposal preparation.

You’ll collaborate closely with both our Sales and Technical teams to ensure a seamless client acquisition process, from identifying relevant opportunities to qualifying leads and preparing them for further communication with our team.

Requirements

• Minimum 1 year of experience in lead generation or business development on Upwork, with a proven track record of successful client acquisition
• English proficiency: B2 level or higher - strong written communication skills are essential
• Solid understanding of Upwork's platform, including client research, opportunity identification, engagement strategies, and proposal crafting
• Ability to analyze job descriptions and identify projects relevant to our services
• Experience creating personalized proposals tailored to specific client needs
• Strong organizational skills and attention to detail
• Ability to manage multiple leads, conversations, and follow-ups simultaneously
• Understanding of software development, AI, mobile development, automation, or IT services will be considered a strong advantage
• Willingness to grow - we are looking for someone open to learning, developing their skills, testing new approaches, and taking on new challenges

Responsibilities

• Proactively search and identify potential clients and relevant projects on Upwork that align with Time2Launch's services
• Research potential clients, their businesses, project requirements, and technical needs
• Engage with potential clients and initiate relevant conversations
• Create compelling and personalized Upwork proposals tailored to each client's needs and requirements
• Track and manage leads throughout the acquisition process
• Ensure timely follow-ups and maintain effective communication with prospects
• Qualify leads and identify opportunities with strong business potential
• Coordinate schedules and assist in preparing prospects for calls with the Sales team
• Track lead-generation performance and key KPIs
• Analyze results and continuously improve lead-generation and proposal strategies

What We Offer

• Competitive salary based on experience and performance
• Performance-based bonuses linked to lead-generation and sales KPIs
• Opportunity to work with an international AI & Software Engineering company
• Direct collaboration with experienced Sales, Business Development, and Technical teams
• Exposure to international B2B clients and complex technology projects
• Opportunity to develop expertise in AI, automation, software engineering, and technology sales
• Long-term career development and professional growth opportunities

How to Apply

Please send us a message with a brief introduction, detailing your experience in Upwork lead generation, and share specific examples or achievements from your previous roles.

Please include:

• How long you have been working with Upwork
• Examples of clients or projects you successfully acquired
• Your experience with proposal writing and client communication
• Key results or performance metrics, if available
• Why you are interested in joining Time2Launch
• How you see yourself growing within the team

We are particularly interested in candidates who can demonstrate real, measurable results rather than simply describe their previous responsibilities.

Data Science UA is a service company with extensive experience and expertise in Data Science and AI. Our story began in 2016 with the first Data Science UA conference, which laid the foundation for our further development. Over the past 9 years, we have built the largest Data Science community in Eastern Europe.
 

About the client:

Our client started its business in 1996 by manufacturing metal and glass architectural structures. Today, the company is a high-tech manufacturing complex that designs and produces turnstiles, road blockers, bollards, fire-rated doors, gates, and hatches.

The company has international offices in Kyiv, London, and Dubai, as well as 23 official brand representatives worldwide. Its products have been used in 30,000+ projects across more than 100 countries.
 

About the role:

We are looking for a Logistics Manager to join the team at the company's office in Bortnychi, Kyiv.
 

Requirements:

• 1–2+ years of experience in a similar logistics role;
• English — B2 level;
• Understanding of key logistics processes and Incoterms rules.
   

Responsibilities:

• Organizing and coordinating domestic and international freight transportation, including road, sea, and air shipments;
• Finding new carriers, maintaining relationships with existing partners, and managing the carrier database;
• Monitoring deliveries at all stages and promptly resolving any issues that arise during transportation;
• Managing logistics documentation, including checking and preparing shipping documents, CMRs, invoices, packing lists, and contracts;
• Optimizing logistics costs and developing the most efficient transportation routes.
   

What the company offers:

• Potential career growth opportunities;
• Free company shuttle from Kharkivska metro station (the company is located in Bortnychi, Kyiv);
• Free gym;
• Affordable meals, partially covered by the company;
• Accommodation may be available through the company.

About Wild Fields™
Wild Fields is a Malta-based studio with deep Ukrainian roots. Founded by industry veteran Daniel Poludyonny, the studio brings together a seasoned team that’s been making games together for years at N-iX Games. Previously, the team worked on multiple games for Paradox, Supermassive Games, and Netflix, and self-published their first game, Speed Crew, in 2024.
 

About the project
A “roguelite” real time strategy game with city-building elements and immersive bits, in which you must manage a floating city on an ever-changing alien ocean. If you are excited about the opportunity to collaborate and grow among passionate experts — we invite you to our team!
 

Requirements:

• Proven experience as a Sci-Fi writer with work examples
• Design story and narrative-driven content in a productive and resultative fashion
• Creating and maintaining design documentation to communicate changes to the team
• Forward-thinking and anticipating the game's needs with a high degree of self-motivation and initiative
• Desire and ability to support Game Design team and Game Director in defining systems and structures to improve the game experience throughout the entire game, not just in the story/narrative area
• Written English (at least C1)
   

Responsibilities:

• Write the core narrative, lore, and world-building for the game
• Design and write dialogue
• Work closely with the Game Design team and the Game Director to integrate the storyline into the core game systems
• Playtest narrative content regularly
• Own and maintain narrative design documentation
   

Good to have:

• At least one shipped commercial game title is a huge plus
• Experience with Unreal Engine
• Great communication skills and a positive, can-do attitude
• Familiarity with the hard sci-fi genre, and narrative strategy games
• A portfolio containing examples of narrative work and examples of style variety is a plus
   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Your Role

As a Junior Project Manager, you will support project delivery, coordinate tasks with the team, and gradually take ownership of project activities while learning from experienced PMs.

This role is ideal for someone eager to build practical project management skills and grow into a full Project Manager position.
 

Key Responsibilities

• Support planning and coordination of multiple projects
• Assist in communication with international clients under mentor guidance
• Gather and document project requirements
• Maintain tasks and project documentation in ClickUp
• Track deadlines, progress, and dependencies
• Participate in Agile ceremonies
• Prepare project status updates and reports
• Support project kick-offs, handovers, and project closure
• Escalate risks and blockers when needed
• Learn and apply Agile and SDLC practices
   

Required Skills & Expectations

• Strong organizational skills and attention to detail
• Eagerness to learn and adapt quickly
• Basic understanding of software development
• Interest in project management and IT
• Good communication and teamwork skills
• Sense of responsibility and ownership
• Ability to manage multiple tasks and priorities
• Commercial experience is a plus, but motivation and willingness to learn matter most
   

Nice to Have

• Knowledge of Agile or Scrum
• Experience with ClickUp or similar tools
• Basic understanding of SaaS or e-commerce
• Experience with AI tools (ChatGPT, automation tools, etc.)
   

What We Offer

• Mentorship from experienced Project Managers
• Clear career growth to Junior/Middle PM
• Hands-on experience with international clients
• Remote work and flexible schedule
• 24 paid vacation days per year
• Full accounting support for FOP with tax coverage
   

Why Join Solomono

At Solomono, you'll work on real projects, learn from experienced professionals, and grow your project management career in a supportive product company.

Ready to start your PM journey? We'd love to meet you.

Ukraine-based role

Stormotion is a React Native-focused agency. We build mobile products in IoT/BLE, EV & Mobility, Fitness, and HealthTech/Mental Wellbeing. Small teams, direct client communication.

Growth path
Start as a React Native developer. Over time you can add React (web) and grow to Full Stack with Hasura + PostgreSQL + Nest.js.

What you’ll do

• Build and ship React Native apps (TypeScript)
• Turn product goals into working solutions (not just “implement tickets”)
• Keep releases stable - test key flows in real conditions
• Make scope/architecture decisions that won’t block future scaling
• Code reviews, mentoring, workshops (everyone teaches, everyone learns)
• Join client calls: clarify requirements, explain trade-offs, drive discussions
   

Must have

• 1+ year commercial React Native experience
• Strong TypeScript
• Hooks + Context
• State management (Redux / MobX or similar)
• API integration (fetch / axios or similar)
• Spoken English Intermediate+: confident on calls, not only in chat
• Tech education (Computer Science, IT, Cybersecurity, etc)
   

Nice to have

• GraphQL (Apollo Client / Relay / urql)
• Push notifications
• Firebase (Cloud Messaging, Analytics, Firestore, Storage, Authentication, Functions)
• React Navigation
• ESLint / Prettier
• Testing (TDD / Jest / Detox)
• CI/CD (Fastlane / GitLab CI/CD / GitHub Actions)
• Reanimated 3 / React Native Skia
• BLE integrations (react-native-ble-plx or similar)
• Ramda / Lodash / fp-ts or other FP libraries
   

Benefits

• 24 paid vacation days + 10 paid recharge days
• Birthday day-off + Donor day-off
• Remote-first, office option in Dnipro
• Professional study compensation (courses/meetups/webinars)
• Sport & Streamings budgets
• Assistance with taxation PE documentation

Growth Manager | iGaming | Canada, Australia & New Zealand

We are developing a new iGaming project for Canada, Australia and New Zealand and are looking for a Growth Manager to help build and improve our growth channels, with a focus on affiliate partnerships and acquisition performance.

What you’ll do:
• Support growth across Canada, Australia and New Zealand.
• Identify and develop partnerships with affiliates, SEO partners, media owners and traffic providers.
• Help structure and manage CPA, Revenue Share and hybrid deals.
• Track channel performance and identify opportunities to improve traffic quality and conversion.
• Coordinate growth initiatives with marketing and product teams.
• Test and optimize approaches to acquiring and engaging players across the target markets.
• Build partner relationships and contribute to the development of the affiliate channel.

What we’re looking for:
• Experience in growth, acquisition or affiliate marketing within iGaming.
• Familiarity with Canada, Australia and New Zealand or other Tier 1 markets.
• Experience working with affiliates or external traffic providers.
• Understanding of CPA, Revenue Share and hybrid commercial models.
• Confidence using performance data to assess and improve growth activity.
• A hands-on approach and ability to work in a developing project environment.

If you have iGaming growth or acquisition experience and want to help develop a new project in these markets, we’d be glad to hear from you.

Head of Acquisition | iGaming | Canada, Australia & New Zealand

We are launching a new iGaming project focused on Canada, Australia and New Zealand. We are looking for a Head of Acquisition to shape and lead the player acquisition strategy across these markets.

What you’ll do:
• Develop the acquisition strategy for Canada, Australia and New Zealand.
• Build and scale acquisition channels, with a strong focus on affiliate partnerships.
• Source and develop relationships with affiliates, SEO partners, media owners and traffic providers.
• Negotiate and manage CPA, Revenue Share and hybrid commercial models.
• Identify opportunities to improve acquisition efficiency, traffic quality and conversion.
• Work with marketing and product teams to support growth in each market.
• Monitor channel performance and use data to guide investment and optimization decisions.

What we’re looking for:
• Strong player acquisition experience in iGaming.
• Knowledge of Tier 1 markets, especially Canada, Australia and New Zealand.
• Experience growing affiliate acquisition and working with external traffic partners.
• Understanding of CPA, Revenue Share and hybrid models.
• A data-driven approach to evaluating acquisition performance.
• Experience creating and scaling acquisition strategies in a new or growing business.

If you have led iGaming acquisition and know how to grow in these markets, we’d be happy to connect.

Head of Affiliates | iGaming | Canada, Australia & New Zealand

We are building a new iGaming project focused on Canada, Australia and New Zealand, and are looking for a Head of Affiliates to establish and grow our affiliate channel.

What you’ll do:
• Build the affiliate strategy for the target markets.
• Identify and develop partnerships with affiliates, SEO partners, media owners and other traffic providers.
• Negotiate and manage CPA, Revenue Share and hybrid deals.
• Build a strong partner pipeline and maintain long-term relationships with key affiliates.
• Work with marketing and product teams to align partner activity with business goals.
• Track partner performance and optimize the channel based on traffic quality and results.

What we’re looking for:
• Proven affiliate marketing experience in iGaming.
• Knowledge of Canada, Australia and New Zealand markets.
• An existing network of relevant affiliate partners and traffic providers.
• Experience negotiating CPA, Revenue Share and hybrid deals.
• Ability to build an affiliate function and strategy from the ground up.
• Strong commercial, negotiation and relationship-building skills.

If you have the experience and network to build an affiliate channel in these markets, we’d be glad to hear from you.

DELIFOOD is a technology company developing digital services and tools for the food delivery and restaurant industry.

We’re looking for an experienced Product Manager / Product Owner with a strong understanding of the food tech and restaurant industry, who will work closely with business stakeholders and the development team to transform business needs into clear, practical product solutions.

Responsibilities

• Work closely with business stakeholders to understand business needs, problems, goals, and priorities;
• Analyze business requests and translate them into product solutions and initiatives;
• Define solution concepts, scope, MVP, and priorities;
• Create and manage Epics, Features, and User Stories;
• Own and prioritize the product backlog;
• Define and refine functional requirements, user flows, and business logic at the required level of detail;
• Collaborate with the development team throughout solution design and implementation;
• Make product decisions and manage scope changes during development;

• Drive initiatives from business need to production release.

   

Requirements

• 5+ years of experience as a Product Manager, Product Owner, or in a similar product role;
• Strong practical experience in food tech, food delivery, restaurant technology or restaurant operations;
• Good understanding of key restaurant and food delivery processes: order lifecycle, menu management, pricing, promotions, payments, delivery, and restaurant operations;
• Experience working directly with business stakeholders and development teams;
• Ability to identify the actual business problem behind stakeholder requests and translate it into a practical product solution;
• Experience defining scope, MVP, and priorities;
• Experience managing product backlogs and working with Epics, Features, and User Stories;
• Experience collecting and refining functional requirements;
• Good understanding of REST / GraphQL APIs and system integrations;
• Understanding of web and mobile product development;
• Experience working in Agile / Scrum environments;
• English — Advanced technical, Upper Intermediate daily.

Nice to have

• Experience with POS, KDS, restaurant management systems, delivery platforms, or aggregators;
• Experience working with WordPress / WooCommerce-based products;
• Understanding of marketplace and e-commerce business models;
• Experience working with product metrics, analytics, and KPIs;
• Experience with products involving multiple external and internal integrations;

• Experience in Project Management or Delivery Management.

   

We Offer

• Fully remote work with a flexible schedule;
• Stable compensation in USD;
• Minimal bureaucracy and direct communication with decision-makers;
• Real influence on product and business decisions;
• Opportunity to work on scalable, real-world products in food tech.

Responsibilities

• Market data: ingest vendor feeds, normalize instruments and symbology, and fan out to web and mobile clients over WebSockets (subscription management, snapshot + delta, conflation and throttling, slow-consumer handling, reconnect and resync); enforce entitlements (real-time vs. delayed, professional vs. non-professional).
• Order management: build the integration layer on top of the clearing firm's REST and FIX APIs — order gateway (validation, pre-trade checks, idempotent submission), order state driven by provider events, positions, realized and unrealized P&L, reconciliation against snapshots and the ledger.
• Reliable ingestion of provider webhooks and event streams: signature verification, deduplication, out-of-order handling, gap detection, replay.
• Authentication and session management, account lifecycle, entitlements, and billing hooks.
• Identify gaps in vendor APIs and propose solutions (build, work around, or escalate to the vendor). Design for graceful degradation when upstream feeds are unavailable.

Requirements

• 5+ years of backend development with a focus on distributed, event-driven systems; 3+ in Node.js / TypeScript, including the runtime under load (event loop, stream backpressure, memory/GC, scaling stateful connections).
• Has built and operated a high fan-out real-time system serving many concurrent clients and can describe it in numbers (connections, messages per second, p99 latency).
• Practical understanding of message ordering, duplicate delivery, idempotency, retries, backpressure, replay, and failure recovery.
• Experience running production systems that handle financial transactions; experience with monitoring, structured logging, tracing, and incident investigation.
• Experience with AWS (containers, IAM, managed messaging/streaming) and Redis; infrastructure-as-code.
• Strong automated-testing practices (unit, integration, end-to-end).
• Occasional traveling to the USA might be needed. 

Nice to have

• Brokerage, clearing, custody, or market-data provider integrations; knowledge of equity and options order lifecycles (submission, partial fills, cancel/replace, rejection).
• FIX, financial instrument symbology, exchange connectivity.
• PostgreSQL, Redis, and a time-series or analytical store.
• Systems handling monetary values, audit trails, reconciliation, regulatory requirements.
• Futures, crypto, or prediction-market platforms.

Responsibilities

• Build and maintain the trading application in React Native / Expo with TypeScript: onboarding and identity verification, funding, watchlists, quotes and charts, order entry, positions and P&L, options chains.
• Consume streaming market data over WebSockets: subscription management, reconnect and resynchronization, smooth rendering under high-frequency updates.
• Implement authentication (MFA, biometric unlock), secure token storage, deep linking, push notifications, and third-party SDK integrations (bank linking, identity verification).
• Work with the product designer and backend engineers on feature design and delivery.
• Own builds, store submissions, over-the-air updates, and App Store / Google Play releases; monitor crashes and performance in production.

Requirements

• 5+ years of mobile development; 3+ years with React Native, including at least one consumer app shipped to both stores.
• Strong TypeScript and modern React; experience with Expo tooling (routing, builds, config plugins).
• Experience building real-time, high-frequency mobile interfaces; practical understanding of React Native performance (rendering, JS/UI threads, memory, list virtualization).
• Experience implementing OAuth/MFA/biometrics and integrating native SDKs.
• Solid automated-testing and production-monitoring practices.
• Comfortable making product decisions in a small team without detailed specifications.
• Occasional traveling to the USA might be needed

Nice to have

• Trading or brokerage applications, order books, financial order types.
• Charting libraries, animation/gesture and rendering libraries, E2E mobile test frameworks.
• Native iOS or Android experience (Swift or Kotlin).

We are looking for a Principal Backend & Data Architect to own the architecture of a complex data-intensive product from the ground up.

This is a hands-on technical leadership role for someone who has designed production-grade platforms where data modelling, versioning, traceability, permissions and long-term architectural decisions are critical.

What you will own

• Core backend and data architecture
• Domain and data modelling
• Versioned and temporal data structures
• Data provenance, lineage and historical recomputation
• Multi-tenant architecture and data isolation
• Permission models including RBAC / ABAC
• Auditability and traceability
• Computation and semantic layers
• Technical standards and architecture documentation
• Technical leadership and review of backend implementation

What we are looking for

• 8+ years of backend/software engineering experience
• Proven experience architecting complex, data-heavy production systems
• Excellent system design and data modelling skills
• Strong PostgreSQL / SQL expertise
• Experience with distributed systems, queues, background processing and APIs
• Experience with temporal, versioned or event-driven architectures
• Strong understanding of multi-tenancy, authorization and data security
• Ability to make architecture decisions and remain hands-on during implementation
• Experience leading senior engineers technically

Strong advantage

Experience with regulated or sensitive data, healthcare, fintech, insurance, IoT, analytics or decision-support platforms.

This is not a pure management or solution-architecture role. We are looking for someone who can design the foundation, challenge assumptions and stay close to implementation.