Backend Developer with Go

Senior Backend Engineer - Go

Talon.One

ABOUT TALON.ONE:   Talon.One is the most powerful incentives engine that unifies loyalty, promotions and gamification into one holistic platform. Backed by enterprise-grade security and scalability, Talon.One empowers companies to build personalized, profitable promotions and loyalty programs using any data. Today, over 250 of the world’s most-loved brands including Adidas, Sephora and Carlsberg work with Talon.One to drive deeper engagement and lasting loyalty with their customers.   ABOUT THE TEAM: Our development team consists of specialists in frontend, backend, QA, product, and visual design. We work in small cross-functional teams that give everybody insight and hands-on experience of what everyone else is doing. Each team is self-sustained, autonomous, and responsible for a specific feature or area in our platform. We believe in strong collaboration, open communication, and mentoring to allow bi-directional growth. We are working to make Talon.One an inclusive workplace because we believe it is the right thing to do and because we want to have a positive impact on the entire tech industry. We are currently looking for a Senior Backend Engineer to join our development teams. You will work closely with our product people to design the right solutions to our challenging problems while collaborating, mentoring, and supporting the other team members. For this position, we need professionals who are already based in Berlin or willing to move to Berlin.   ONCE YOU ARE HERE YOU WILL: * Be a crucial member in a small cross-functional team (a squad) * Collaborate closely with Product Manager and Tech Lead during roadmap discussions * Contribute effectively during all Scrum rituals, facilitation of process maturity increments, and engineering best practices initiatives * Provide valuable inputs during Refinement and Solution Design sessions and be able to lead feature development independently * Regularly participate in code reviews and provide constructive feedback * Consistently monitor the maintenance of quality standards and proactively recommend engineering or process  improvements * Offer technical/soft guidance to Junior engineers and participate in Mentorship Programs * Participate in cross-squad (Backend Guild) brainstorming sessions and problem-solving discussions * Propose and own technical initiatives toward performance/scale/maintenance improvements   WHAT WE NEED YOU TO BRING TO THE TABLE: * 6+ years of previous experience as a Backend Developer with focus on Golang * In-depth knowledge of REST API design, PostgreSQL, and Testing Techniques * Experience building scalable, maintainable, and performant large-scale applications * Experience designing and developing complex architectures, including monolithic and microservice architecture * Strong tendency towards implementing modern best practices like pair-programming sessions, unit and integration tests, adaptation of AI and automation, refactoring, SOLID principles, security best practices, documentation as code, regular knowledge sharing, etc. * Big-picture thinking; You collaborate with non-developers to clarify requirements and help plan projects, with an eye on the overall impact on the business & product * Proactive and constructive approach to support/mentor junior members of the team * A willingness to learn about and contribute to the whole stack is essential * A team-first attitude; As a group, we strive to leave egos at home * Empathy for your customers and your colleagues   ABOUT TECHNOLOGY:  * Kubernetes running on Google Cloud * PostgreSQL * We use Go for our API, core logic, and internal tooling * TypeScript, React, Redux, and CSS modules for our web application * Cypress for automated end-to-end testing * Other odds & ends in JavaScript and shell script   WHAT'S IN IT FOR YOU: * A Research and Development Department of 90+ of engineers, product managers and product designers in Berlin * Leaders with 8+ years of experience building our promotions engine  * €1,000 annual learning budge and free German language courses to boost your skills * 30 days of annual leave, plus extra paid days for your birthday and moving day * Home office setup budget, a monthly home office allowance * Freedom to work from abroad for up to 90 days worldwide! * Mental health support with nilo.health and a discounted Urban Sports Club membership * 20% company subsidy on your pension contributions * Subsidised BVG public transport ticket and a dog-friendly Berlin office where your furry friend is welcome * Lease your ideal bike through BusinessBike

Backend Developer (Go)

Monil AS

Monil is building world-leading technology for virtual fencing and livestock monitoring. In just three years, we’ve grown to over 1,000 customers and more than 20,000 collars in active use across multiple markets. We are now entering a new phase of international growth — and the scalability and reliability of our backend platform will be critical to our success. Our technology is trusted by forward-thinking farmers, research institutions, and agricultural organizations across several countries. Every day, thousands of animals rely on our systems running smoothly. Our devices collect large amounts of real-time data from animals in the field. We process, analyze, and transform this data into actionable insights that improve animal welfare, farming efficiency, and sustainability. Behind this is a modern, cloud-based backend platform built for performance, resilience, and scale. We’re now looking for a Backend Engineer who wants to build high-performance systems that truly matter. What we're looking for​ • 1-3+​ years of experience with Go • Experience​ with PostgreSQL or other relational databases • Experience​ with Kubernetes (a plus, but not required) • BSc or MSc​ in Computer Science, Informatics or Engineering Bonus points for:​ • Experience developing IoT products • Experience with AWS • Fluency in Norwegian (preferred, but we make exceptions for the exceptional) • Experience working in a startup or fast-paced environment • Real-life experience with farming or agriculture (not required, but appreciated) Our Tech Stack​ We work with modern, scalable technologies: • Go​ for backend services • PostgreSQL / TimescaleDB​ for data storage • gRPC​ for internal communication and GraphQL APIs​ for frontends • AWS (EKS and other AWS services)​ for infrastructure • High observability throughout the stack, with metrics, tracing, and logs Our platform runs on Kubernetes and is built with scalability, reliability, and operational excellence in mind. What we offer​ Join a high-growth startup entering an exciting international scale-up phase. You won’t just write code, you’ll own features and initiatives, influence technical decisions, and help build the foundation of a growing company. Nevertheless your work will create meaningful impact by improving animal welfare, farming efficiency, and global sustainability. You’ll collaborate with a highly interdisciplinary team across hardware, embedded systems, backend, and frontend. We offer a competitive salary, including an option program.  Requirements​ Candidates must have the right to work in Norway or within the EU/EEA, as we are unable to support relocation or visa sponsorship from outside this area. If you're excited about building technology that makes a real-world difference, we’d love to hear from you.

Senior Backend Developer / Software Test Engineer - Gothenburg

Zpark Energy Systems AB

You will play a key role in designing, developing, and validating our backend system. You will work closely with our software and firmware teams to develop reliable, scalable backend services with a strong focus on quality, testing, and automation. Your experience in backend development and test engineering will be important in shaping and improving our platform. What you will do: Design, develop, and maintain backend services and systems using Go and the Twelve-Factor App methodology. Design, develop, and maintain automated test frameworks, test environments, and validation processes for backend systems and services. Define and implement test strategies covering functionality, integration, system, regression, and performance testing. Build tools and test harnesses to verify the reliability, scalability, and correctness of distributed systems. Optimize software for performance, efficiency, reliability, and scalability. Troubleshoot, debug, and analyze applications and test results to ensure smooth functionality. Collaborate with front-end developers, firmware engineers, and other stakeholders to deliver high-quality software solutions. Participate in code reviews and provide constructive feedback to team members. Your Profile Minimum of 5 years of experience in backend development, test engineering, or a similar role. Experience with Go is a strong advantage. We also welcome candidates with solid backend experience in other typed backend languages. Experience designing and implementing CI-based test execution for backend systems and distributed applications. Experience and familiarity with concurrent and asynchronous programming. Proven experience with RESTful API design, implementation, and testing. Strong familiarity with Linux-based IT systems and test or hosting environments. Knowledge of databases (PostgreSQL, Cassandra) and expertise with in-memory caching solutions (Redis or comparable). Experience with distributed event-streaming and messaging systems, such as Apache Kafka or NATS. Experience working with version control systems (Git) in collaborative environments. Excellent problem-solving skills and attention to detail, with the ability to make sound trade-offs based on business needs and technical requirements. Ability to work independently and as part of a team. You communicate clearly and are comfortable supporting and mentoring less experienced developers. Strong communication skills in English, written and spoken. Proficiency in Swedish is a plus.